This application is a continuation application under 35 U.S.C. § 111(a) claiming the benefit of, and priority (under 35 U.S.C. § 120) to PCT Application No. PCT/US2018/020718, filed on Mar. 2, 2018, which claims priority to U.S. Provisional Application Ser. No. 62/466,603, filed Mar. 3, 2017; U.S. Provisional Application Ser. No. 62/484,047, filed Apr. 11, 2017, and U.S. Provisional Application Ser. No. 62/542,400, filed Aug. 8, 2017. The entire contents of the aforementioned applications are incorporated by reference herein in their entirety.

This application is a continuation application under 35 U.S.C. § 111(a) claiming the benefit of, and priority (under 35 U.S.C. § 120) to PCT Application No. PCT/US2018/020741, filed on Mar. 2, 2018, which claims priority to U.S. Provisional Application Ser. No. 62/466,601, filed Mar. 3, 2017; and U.S. Provisional Application Ser. No. 62/484,052, filed Apr. 11, 2017. The entire contents of the aforementioned applications are incorporated by reference herein in their entirety.

This application is a continuation application under 35 U.S.C. § 111(a) claiming the benefit of, and priority (under 35 U.S.C. § 120) to PCT Application No. PCT/US2018/020755, filed on Mar. 2, 2018, which claims priority to U.S. Provisional Application Ser. No. 62/466,601, filed Mar. 3, 2017; U.S. Provisional Application Ser. No. 62/484,062, filed Apr. 11, 2017, and U.S. Provisional Application Ser. No. 62/555,316, filed Sep. 7, 2017. The entire contents of the aforementioned applications are incorporated by reference herein in their entirety.

This application is a continuation application under 35 U.S.C. § 111(a) claiming the benefit of, and priority (under 35 U.S.C. § 120) to PCT Application No. PCT/US2018/020768, filed on Mar. 2, 2018, which claims priority to U.S. Provisional Application Ser. No. 62/466,601, filed Mar. 3, 2017; U.S. Provisional Application Ser. No. 62/484,060, filed Apr. 11, 2017, and U.S. Provisional Application Ser. No. 62/555,328, filed Sep. 7, 2017. The entire contents of the aforementioned applications are incorporated by reference herein in their entirety.

This application is a continuation application under 35 U.S.C. § 111(a) claiming the benefit of, and priority (under 35 U.S.C. § 120) to PCT Application No. PCT/US2018/020704, filed on Mar. 2, 2018, which claims priority to U.S. Provisional Application Ser. No. 62/466,601, filed Mar. 3, 2017; U.S. Provisional Application Ser. No. 62/484,063, filed Apr. 11, 2017, and U.S. Provisional Application Ser. No. 62/542,402, filed Aug. 8, 2017. The entire contents of the aforementioned applications are incorporated by reference herein in their entirety.

›SEQUENCE LISTING

The present application is being filed along with a Sequence Listing in electronic format. The Sequence Listing is provided as a file entitled 2020-02-17-268052-454360_Final_SL.txt, created on Feb. 17, 2020, which is 12.6 MB. The information in the electronic format of the sequence listing is incorporated herein by reference in its entirety.

›FIELD OF THE INVENTION

The present invention relates to regulatable tunable biocircuit systems for the development of controlled and/or regulated therapeutic systems, including polypeptides of biocircuit systems, effector modules, stimulus response elements (SREs) and immunotherapeutic agents, polynucleotides encoding the same, vectors and cells containing the polypeptides and/or polynucleotides for use in cancer immunotherapy. In one embodiment, the compositions comprise destabilizing domains (DDs) which tune protein stability. In particular, regulatable biocircuits containing destabilizing domains (DD) derived from human dihydrofolate reductase protein (hDHFR) are disclosed.

›BACKGROUND OF THE INVENTION

Safe and effective gene therapy requires tightly regulated expression of a therapeutic transgenic product (e.g., the protein product). Similarly, the analysis of gene function in development, cell differentiation and other physiological activities requires the controllable expression of a protein under investigation. However, current technologies do not allow titration of the timing or levels of target protein induction. Inadequate exogenous and/or endogenous gene control is a critical issue in numerous gene therapy settings. This lack of tunability also makes it difficult to safely express proteins with narrow or uncertain therapeutic windows or those requiring more titrated or transient expression.

One approach to regulated protein expression or function is the use of Destabilizing Domains (DDs). Destabilizing domains are small protein domains that can be appended to a target protein of interest. DDs render the attached protein of interest unstable in the absence of a DD-binding ligand such that the protein is rapidly degraded by the ubiquitin-proteasome system of the cell (Stankunas, K., et al., (2003). Mol. Cell 12, 1615-1624; Banaszynski, L. A., et al., (2006) Cell; 126(5): 995-1004; reviewed in Banaszynski, L. A., and Wandless, T. J. (2006) Chem. Biol. 13, 11-21; Iwamoto, M., et al. (2010). Chem Biol. 17(9):981-8; Egeler, E. L. et al. (2011). J Biol Chem. 286(36):31328-36; and Rakhit R, Navarro R, Wandless T J (2014) Chem Biol . September 18; 21(9):1238-52; Navarro, R. et al. (2016) ACS Chem Biol. 11(8): 2101-2104). However, when a specific small molecule ligand binds its intended DD as a ligand binding partner, the instability is reversed and protein function is restored. Such a system is herein referred to as a biocircuit, with the canonical DD-containing biocircuit described above being the prototypical model biocircuit

It is believed that improvements of biocircuits, including those containing DDs can form the basis of a new class of cell and gene therapies that employ tunable and temporal control of gene expression and function. Such novel moieties are described by the present inventors as stimulus response elements (SREs) which act in the context of an effector module to complete a biocircuit arising from a stimulus and ultimately producing a signal or outcome. When properly formatted with a polypeptide payload, and when activated by a particular stimulus, e.g., a small molecule, biocircuit systems can be used to regulate transgene and/or protein levels either up or down by perpetuating a stabilizing signal or destabilizing signal. This approach has many advantages over existing methods of regulating protein function and/or expression, which are currently focused on top level transcriptional regulation via inducible promoters.

The present invention provides novel protein domains, in particular destabilizing domains (DDs) derived from human dihydrofolate reductase (hDHFR) that display small molecule dependent stability, and the biocircuit systems and effector modules comprising such DDs. Methods for tuning transgene functions using the same are also provided.

Cancer immunotherapy aims to eradicate cancer cells by rejuvenating the tumoricidal functions of tumor-reactive immune cells, predominantly T cells. Strategies of cancer immunotherapy including the recent development of checkpoint blockade, adoptive cell transfer (ACT) and cancer vaccines which can increase the anti-tumor immune effector cells have produced remarkable results in several tumors.

The impact of host anti-tumor immunity and cancer immunotherapy is impeded by three major hurdles: 1) low number of tumor antigen-specific T cells due to clonal deletion; 2) poor activation of innate immune cells and accumulation of tolerogenic antigen-presenting cells in the tumor microenvironment; and 3) formation of an immunosuppressive tumor microenvironment. Particularly, in solid tumors the therapeutic efficacy of immunotherapeutic regimens remains unsatisfactory due to lack of an effective an anti-tumor response in the immunosuppressive tumor microenvironment. Tumor cells often induce immune tolerance or suppression and such tolerance is acquired because even truly foreign tumor antigens will become tolerated. Such tolerance is also active and dominant because cancer vaccines and adoptive transfer of pre-activated immune effector cells (e.g., T cells), are subject to suppression by inhibitory factors in the tumor microenvironment (TME).

In addition, administration of engineered T cells could result in on/off target toxicities as well as a cytokine release syndrome (reviewed by Tey Clin. Transl. Immunol., 2014, 3: e17 10.1038).

Development of a tunable switch that can turn on or off the transgenic immunotherapeutic agent expression is needed in case of adverse events. For example, adoptive cell therapies may have a very long and an indefinite half-life. Since toxicity can be progressive, a safety switch is desired to eliminate the infused cells. Systems and methods that can tune the transgenic protein level and expression window with high flexibility can enhance therapeutic benefit, and reduce potential side effects.

To develop regulatable therapeutic agents for disease therapy, in particular cancer immunotherapy, the present invention provides biocircuit systems to control the expression of immunotherapeutic agents. The biocircuit system comprises a stimulus and at least one effector module that responds to the stimulus. The effector module may include a stimulus response element (SRE) that binds and is responsive to a stimulus and an immunotherapeutic agent operably linked to the SRE. In one example, a SRE is a destabilizing domain (DD) which is destabilized in the absence of its specific ligand and can be stabilized by binding to its specific ligand.

›SUMMARY OF THE INVENTION · 1 of 14

The present invention provides novel protein domains displaying small molecule dependent stability. Such protein domains are called destabilizing domains (DDs). In the absence of its binding ligand, the DD is destabilizing and causes degradation of a payload fused to the DD (e.g., a protein of interest (POI), while in the presence of its binding ligand, the fused DD and payload can be stabilized, and its stability is dose dependent. These systems are further taught in co-owned U.S. Provisional Patent Application No. 62/320,864 filed Apr. 11, 2016, 62/466,596 filed Mar. 3, 2017 and the International Publication WO2017/180587 (the contents of each of which are herein incorporated by reference in their entirety).

In some embodiments, the present invention provides biocircuit systems, effector modules and compositions comprising the DDs of the present invention. In one aspect, the biocircuit system is a DD biocircuit system.

The present invention provides biocircuit systems which may comprise an effector module. The effector module may comprise a stimulus response element (SRE) and at least one payload. In some embodiments, the payload of the effector module may comprise a protein of interest which is attached, appended or associated with the SRE. In some embodiments, the SRE comprises a destabilizing domain. The destabilizing domain may comprise in whole or in part, a protein such as, but not limited to human dihydrofolate reductase (hDHFR), a hDHFR mutant and a DHFR variant. In one aspect, the DD may comprise, in whole or in part, a hDHFR mutant.

In some embodiments, the effector module of the biocircuit may be responsive to one or more stimuli.

In one aspect, the DHFR mutant may comprise one, two or three mutations relative to SEQ ID NO. 3106). The DHFR mutant may have mutations such as, but not limited to, M1del, V2A, C7R, I8V, V9A, A10T, A10V, Q13R, N14S, G16S, I17N, I17V, K19E, N20D, G21T, G21E, D22S, L23S, P24S, L28P, N30D, N30H, N30S, E31G, E31D, F32M, R33G, R33S, F35L, Q36R, Q36S, Q36K, Q36F, R37G, M38V, M38T, T40A, V44A, K47R, N49S, N49D, M53T, G54R, K56E, K56R, T57A, F59S, I61T, K64R, N65A, N65S, N65D, N65F, L68S, K69E, K69R, R71G, I72T, I72A, I72V, N73G, L74N, V75F, R78G, L80P, K81R, E82G, H88Y, F89L, R92G, S93G, S93R, L94A, D96G, A97T, L98S, K99G, K99R, L100P, E102G, Q103R, P104S, E105G, A107T, A107V, N108D, K109E, K109R, V110A, D111N, M112T, M112V, V113A, W114R, I115V, I115L, V116I, G117D, V121A, Y122C, Y122D, Y122I, K123R, K123E, A125F, M126I, N127R, N127S, N127Y, H128R, H128Y, H131R, L132P, K133E, L134P, F135P, F135L, F135S, F135V, V136M, T137R, R138G, R138I, I139T, I139V, M140I, M140V, Q141R, D142G, F143S, F143L, E144G, D146G, T147A, F148S, F148L, F149L, P150L, E151G, I152V, D153A, D153G, E155G, K156R, Y157R, Y157C, K158E, K158R, L159P, L160P, E162G, Y163C, V166A, S168C, D169G, V170A, Q171R, E172G, E173G, E173A, K174R, I176A, I176F, I176T, K177E, K177R, Y178C, Y178H, F180L, E181G, V182A, Y183C, Y183H, E184R, E184G, K185R, K185del, K185E, N186S, N186D, D187G, and D187N.

In some embodiments, the DHFR mutant may comprise one or more mutations in an amino acid at the mutation site being identical to one or more vicinal amino acids. The vicinal amino acid may be selected from, but not limited to one, two, three, four, and five amino acids, upstream or downstream from the mutation.

In some embodiments, the DHFR mutant may be selected from, but not limited to hDHFR (A107V), comprising the amino acid sequence of SEQ ID NO. 3107); hDHFR (F59S), comprising the amino acid sequence of SEQ ID NO. 3108); hDHFR (I17V), comprising the amino acid sequence of SEQ ID NO. 3109); hDHFR (K185E), comprising the amino acid sequence of SEQ ID NO. 3110); hDHFR (K81R), comprising the amino acid sequence of SEQ ID NO. 3111); hDHFR (M140I), comprising the amino acid sequence of SEQ ID NO. 3112); hDHFR (N127Y), comprising the amino acid sequence of SEQ ID NO. 3113); hDHFR (N186D), comprising the amino acid sequence of SEQ ID NO. 3114); hDHFR (N65D), comprising the amino acid sequence of SEQ ID NO. 3115); hDHFR (Y122I), comprising the amino acid sequence of SEQ ID NO. 3116); hDHFR (A10V, H88Y), comprising the amino acid sequence of SEQ ID NO. 3117); hDHFR (Amino acid 2-187 of WT) (Y122I), comprising the amino acid sequence of SEQ ID NO. 3118); hDHFR (C7R, Y163C), comprising the amino acid sequence of SEQ ID NO. 3119); hDHFR (E162G, I176F), comprising the amino acid sequence of SEQ ID NO. 3120); hDHFR (G21T, Y122I), comprising the amino acid sequence of SEQ ID NO. 3121); hDHFR (H131R, E144G), comprising the amino acid sequence of SEQ ID NO. 3122); hDHFR (I17V, Y122I), comprising the amino acid sequence of SEQ ID NO. 3123); hDHFR (L74N, Y122I), comprising the amino acid sequence of SEQ ID NO. 3124); hDHFR (L94A, T147A), comprising the amino acid sequence of SEQ ID NO. 3125); hDHFR (M53T, R138I), comprising the amino acid sequence of SEQ ID NO. 3126); hDHFR (N127Y, Y122I), comprising the amino acid sequence of SEQ ID NO. 3127); hDHFR (Q36K, Y122I), comprising the amino acid sequence of SEQ ID NO. 3128); hDHFR (T137R, F143L), comprising the amino acid sequence of SEQ ID NO. 3129); hDHFR (T57A, I72A), comprising the amino acid sequence of SEQ ID NO. 3130); hDHFR (V121A, Y122I), comprising the amino acid sequence of SEQ ID NO. 3131); hDHFR (V75F, Y122I), comprising the amino acid sequence of SEQ ID NO. 3132); hDHFR (Y122I, A125F), comprising the amino acid sequence of SEQ ID NO. 3133); hDHFR (Y122I, M140I), comprising the amino acid sequence of SEQ ID NO. 3134); hDHFR (Y178H, E181G), comprising the amino acid sequence of SEQ ID NO. 3135); hDHFR (Y183H, K185E), comprising the amino acid sequence of SEQ ID NO. 3136); hDHFR (Amino acid 2-187 of WT) (G21T, Y122I), comprising the amino acid sequence of SEQ ID NO. 3137); hDHFR (Amino acid 2-187 of WT) (I17V, Y122I), comprising the amino acid sequence of SEQ ID NO. 3138); hDHFR (Amino acid 2-187 of WT) (L74N, Y122I), comprising the amino acid sequence of SEQ ID NO. 3139); hDHFR (Amino acid 2-187 of WT) (L94A, T147A), comprising the amino acid sequence of SEQ ID NO. 3140); hDHFR (Amino acid 2-187 of WT) (M53T, R138I), comprising the amino acid sequence of SEQ ID NO. 3141); hDHFR (Amino acid 2-187 of WT) (N127Y, Y122I), comprising the amino acid sequence of SEQ ID NO. 3142); hDHFR (Amino acid 2-187 of WT) (Q36K, Y122I), comprising the amino acid sequence of SEQ ID NO. 3143); hDHFR (Amino acid 2-187 of WT) (V121A, Y122I), comprising the amino acid sequence of SEQ ID NO. 3144); hDHFR (Amino acid 2-187 of WT) (V75F, Y122I), comprising the amino acid sequence of SEQ ID NO. 3145); hDHFR (Amino acid 2-187 of WT) (Y122I, A125F), comprising the amino acid sequence of SEQ ID NO. 3146); hDHFR (Amino acid 2-187 of WT) (Y122I, M140I), comprising the amino acid sequence of SEQ ID NO. 3147); hDHFR (E31D, F32M, V116I), comprising the amino acid sequence of SEQ ID NO. 3148); hDHFR (G21E, I72V, I176T), comprising the amino acid sequence of SEQ ID NO. 3149); hDHFR (I8V, K133E, Y163C), comprising the amino acid sequence of SEQ ID NO. 3150); hDHFR (K19E, F89L, E181G), comprising the amino acid sequence of SEQ ID NO. 3151); hDHFR (L23S, V121A, Y157C), comprising the amino acid sequence of SEQ ID NO. 3152); hDHFR (N49D, F59S, D153G), comprising the amino acid sequence of SEQ ID NO. 3153); hDHFR (Q36F, N65F, Y122I), comprising the amino acid sequence of SEQ ID NO. 3154); hDHFR (Q36F, Y122I, A125F), comprising the amino acid sequence of SEQ ID NO. 3155); hDHFR (V110A, V136M, K177R), comprising the amino acid sequence of SEQ ID NO. 3156); hDHFR (V9A, S93R, P150L), comprising the amino acid sequence of SEQ ID NO. 3157); hDHFR (Y122I, H131R, E144G), comprising the amino acid sequence of SEQ ID NO. 3158); hDHFR (G54R, I115L, M140V, S168C), comprising the amino acid sequence of SEQ ID NO. 3159); hDHFR (Amino acid 2-187 of WT) (E31D, F32M, V116I), comprising the amino acid sequence of SEQ ID NO. 3160); hDHFR (Amino acid 2-187 of WT) (Q36F, N65F, Y122I), comprising the amino acid sequence of SEQ ID NO. 3161); hDHFR (Amino acid 2-187 of WT) (Q36F, Y122I, A125F), comprising the amino acid sequence of SEQ ID NO. 3162); hDHFR (Amino acid 2-187 of WT) (Y122I, H131R, E144G), comprising the amino acid sequence of SEQ ID NO. 3163); hDHFR (V2A, R33G, Q36R, L100P, K185R), comprising the amino acid sequence of SEQ ID NO. 3164); hDHFR (D22S, F32M, R33S, Q36S, N65S), comprising the amino acid sequence of SEQ ID NO. 3165); hDHFR (Amino acid 2-187 of WT) (D22S, F32M, R33S, Q36S, N65S), comprising the amino acid sequence of SEQ ID NO. 3166); hDHFR (I17N, L98S, K99R, M112T, E151G, E162G, E172G), comprising the amino acid sequence of SEQ ID NO. 3167); hDHFR (G16S, I17V, F89L, D96G, K123E, M140V, D146G, K156R), comprising the amino acid sequence of SEQ ID NO. 3168); hDHFR (K81R, K99R, L100P, E102G, N108D, K123R, H128R, D142G, F180L, K185E), comprising the amino acid sequence of SEQ ID NO. 3169); hDHFR (R138G, D142G, F143S, K156R, K158E, E162G, V166A, K177E, Y178C, K185E, N186S), comprising the amino acid sequence of SEQ ID NO. 3170); hDHFR (N14S, P24S, F35L, M53T, K56E, R92G, S93G, N127S, H128Y, F135L, F143S, L159P, L160P, E173A, F180L), comprising the amino acid sequence of SEQ ID NO. 3171); hDHFR (F35L, R37G, N65A, L68S, K69E, R71G, L80P, K99G, G117D, L132P, I139V, M140I, D142G, D146G, E173G, D187G), comprising the amino acid sequence of SEQ ID NO. 3172); hDHFR (L28P, N30H, M38V, V44A, L68S, N73G, R78G, A97T, K99R, A107T, K109R, D111N, L134P, F135V, T147A, I152V, K158R, E172G, V182A, E184R), comprising the amino acid sequence of SEQ ID NO. 3173); hDHFR (V2A, I17V, N30D, E31G, Q36R, F59S, K69E, I72T, H88Y, F89L, N108D, K109E, V110A, I115V, Y122D, L132P, F135S, M140V, E144G, T147A, Y157C, V170A, K174R, N186S), comprising the amino acid sequence of SEQ ID NO. 3174); hDHFR (L100P, E102G, Q103R, P104S, E105G, N108D, V113A, W114R, Y122C, M126I, N127R, H128Y, L132P, F135P, I139T, F148S, F149L, I152V, D153A, D169G, V170A, I176A, K177R, V182A, K185R, N186S), comprising the amino acid sequence of SEQ ID NO. 3175); and hDHFR (A10T, Q13R, N14S, N20D, P24S, N30S, M38T, T40A, K47R, N49S, K56R, I61T, K64R, K69R, I72A, R78G, E82G, F89L, D96G, N108D, M112V, W114R, Y122D, K123E, I139V, Q141R, D142G, F148L, E151G, E155G, Y157R, Q171R, Y183C, E184G, K185del, D187N), comprising the amino acid sequence of SEQ ID NO. 3176).

›SUMMARY OF THE INVENTION · 2 of 14

In one aspect, the hDHFR mutant may be encoded by a nucleic acid sequence independently selected from, but not limited to, SEQ ID NOs. 3177-3191), 3192), 3193), 3194), 3195-3229), 3230), 3231), 3232), 3233), 3234), 3235), 3236), 3237), 3238), 3239), 3240), 3241), 3242), 3243), 3244), or 3245).

In some embodiments, the stimulus of biocircuit system may be Trimethoprim or Methotrexate. In one aspect, the hDHFR mutant may comprise one or more mutations in a region that interacts directly with the stimulus.

In one aspect, the effector module may comprise a hDHFR-derived SRE operably linked to a payload. In some embodiments, the hDHFR-derived SRE may be a hDHFR mutant that may comprise one, two, three or more mutations selected from, but not limited to, M1del, V2A, C7R, I8V, V9A, A10T, A10V, Q13R, N14S, G16S, I17N, I17V, K19E, N20D, G21T, G21E, D22S, L23S, P24S, L28P, N30D, N30H, N30S, E31G, E31D, F32M, R33G, R33S, F35L, Q36R, Q36S, Q36K, Q36F, R37G, M38V, M38T, T40A, V44A, K47R, N49S, N49D, M53T, G54R, K56E, K56R, T57A, F59S, I61T, K64R, N65A, N65S, N65D, N65F, L68S, K69E, K69R, R71G, I72T, I72A, I72V, N73G, L74N, V75F, R78G, L80P, K81R, E82G, H88Y, F89L, R92G, S93G, S93R, L94A, D96G, A97T, L98S, K99G, K99R, L100P, E102G, Q103R, P104S, E105G, A107T, A107V, N108D, K109E, K109R, V110A, D111N, M112T, M112V, V113A, W114R, I115V, I115L, V116I, G117D, V121A, Y122C, Y122D, Y122I, K123R, K123E, A125F, M126I, N127R, N127S, N127Y, H128R, H128Y, H131R, L132P, K133E, L134P, F135P, F135L, F135S, F135V, V136M, T137R, R138G, R138I, I139T, I139V, M140I, M140V, Q141R, D142G, F143S, F143L, E144G, D146G, T147A, F148S, F148L, F149L, P150L, E151G, I152V, D153A, D153G, E155G, K156R, Y157R, Y157C, K158E, K158R, L159P, L160P, E162G, Y163C, V166A, S168C, D169G, V170A, Q171R, E172G, E173G, E173A, K174R, I176A, I176F, I176T, K177E, K177R, Y178C, Y178H, F180L, E181G, V182A, Y183C, Y183H, E184R, E184G, K185R, K185del, K185E, N186S, N186D, D187G, and D187N.

In one aspect, the effector module may comprise a hDHFR-derived SRE selected from, but not limited to hDHFR (A107V), comprising the amino acid sequence of SEQ ID NO. 3246); hDHFR (F59S), comprising the amino acid sequence of SEQ ID NO. 3247); hDHFR (I17V), comprising the amino acid sequence of SEQ ID NO. 3248); hDHFR (K185E), comprising the amino acid sequence of SEQ ID NO. 3249); hDHFR (K81R), comprising the amino acid sequence of SEQ ID NO. 3250); hDHFR (M140I), comprising the amino acid sequence of SEQ ID NO. 3251); hDHFR (N127Y), comprising the amino acid sequence of SEQ ID NO. 3252); hDHFR (N186D), comprising the amino acid sequence of SEQ ID NO. 3253); hDHFR (N65D), comprising the amino acid sequence of SEQ ID NO. 3254); hDHFR (Y122I), comprising the amino acid sequence of SEQ ID NO. 3255); hDHFR (A10V, H88Y), comprising the amino acid sequence of SEQ ID NO. 3256); hDHFR (Amino acid 2-187 of WT) (Y122I), comprising the amino acid sequence of SEQ ID NO. 3257); hDHFR (C7R, Y163C), comprising the amino acid sequence of SEQ ID NO. 3258); hDHFR (E162G, I176F), comprising the amino acid sequence of SEQ ID NO. 3259); hDHFR (G21T, Y122I), comprising the amino acid sequence of SEQ ID NO. 3260); hDHFR (H131R, E144G), comprising the amino acid sequence of SEQ ID NO. 3261); hDHFR (I17V, Y122I), comprising the amino acid sequence of SEQ ID NO. 3262; hDHFR (L74N, Y122I), comprising the amino acid sequence of SEQ ID NO. 3263; hDHFR (L94A, T147A), comprising the amino acid sequence of SEQ ID NO. 3264; hDHFR (M53T, R138I), comprising the amino acid sequence of SEQ ID NO. 3265; hDHFR (N127Y, Y122I), comprising the amino acid sequence of SEQ ID NO. 3266; hDHFR (Q36K, Y122I), comprising the amino acid sequence of SEQ ID NO. 3267; hDHFR (T137R, F143L), comprising the amino acid sequence of SEQ ID NO. 3268; hDHFR (T57A, I72A), comprising the amino acid sequence of SEQ ID NO. 3269; hDHFR (V121A, Y122I), comprising the amino acid sequence of SEQ ID NO. 3270; hDHFR (V75F, Y122I), comprising the amino acid sequence of SEQ ID NO. 3271; hDHFR (Y122I, A125F), comprising the amino acid sequence of SEQ ID NO. 3272; hDHFR (Y122I, M140I), comprising the amino acid sequence of SEQ ID NO. 3273; hDHFR (Y178H, E181G), comprising the amino acid sequence of SEQ ID NO. 3274; hDHFR (Y183H, K185E), comprising the amino acid sequence of SEQ ID NO. 3275; hDHFR (Amino acid 2-187 of WT) (G21T, Y122I), comprising the amino acid sequence of SEQ ID NO. 3276; hDHFR (Amino acid 2-187 of WT) (I17V, Y122I), comprising the amino acid sequence of SEQ ID NO. 3277; hDHFR (Amino acid 2-187 of WT) (L74N, Y122I), comprising the amino acid sequence of SEQ ID NO. 3278; hDHFR (Amino acid 2-187 of WT) (L94A, T147A), comprising the amino acid sequence of SEQ ID NO. 3279; hDHFR (Amino acid 2-187 of WT) (M53T, R138I), comprising the amino acid sequence of SEQ ID NO. 3280; hDHFR (Amino acid 2-187 of WT) (N127Y, Y122I), comprising the amino acid sequence of SEQ ID NO. 3281; hDHFR (Amino acid 2-187 of WT) (Q36K, Y122I), comprising the amino acid sequence of SEQ ID NO. 3282; hDHFR (Amino acid 2-187 of WT) (V121A, Y122I), comprising the amino acid sequence of SEQ ID NO. 3283; hDHFR (Amino acid 2-187 of WT) (V75F, Y122I), comprising the amino acid sequence of SEQ ID NO. 3284; hDHFR (Amino acid 2-187 of WT) (Y122I, A125F), comprising the amino acid sequence of SEQ ID NO. 3285; hDHFR (Amino acid 2-187 of WT) (Y122I, M140I), comprising the amino acid sequence of SEQ ID NO. 3286; hDHFR (E31D, F32M, V116I), comprising the amino acid sequence of SEQ ID NO. 3287; hDHFR (G21E, I72V, I176T), comprising the amino acid sequence of SEQ ID NO. 3288; hDHFR (I8V, K133E, Y163C), comprising the amino acid sequence of SEQ ID NO. 3289; hDHFR (K19E, F89L, E181G), comprising the amino acid sequence of SEQ ID NO. 3290; hDHFR (L23S, V121A, Y157C), comprising the amino acid sequence of SEQ ID NO. 3291; hDHFR (N49D, F59S, D153G), comprising the amino acid sequence of SEQ ID NO. 3292; hDHFR (Q36F, N65F, Y122I), comprising the amino acid sequence of SEQ ID NO. 3293; hDHFR (Q36F, Y122I, A125F), comprising the amino acid sequence of SEQ ID NO. 3294; hDHFR (V110A, V136M, K177R), comprising the amino acid sequence of SEQ ID NO. 3295; hDHFR (V9A, S93R, P150L), comprising the amino acid sequence of SEQ ID NO. 3296; hDHFR (Y122I, H131R, E144G), comprising the amino acid sequence of SEQ ID NO. 3297; hDHFR (G54R, I115L, M140V, S168C), comprising the amino acid sequence of SEQ ID NO. 3298; hDHFR (Amino acid 2-187 of WT) (E31D, F32M, V116I), comprising the amino acid sequence of SEQ ID NO. 3299; hDHFR (Amino acid 2-187 of WT) (Q36F, N65F, Y122I), comprising the amino acid sequence of SEQ ID NO. 3300; hDHFR (Amino acid 2-187 of WT) (Q36F, Y122I, A125F), comprising the amino acid sequence of SEQ ID NO. 3301; hDHFR (Amino acid 2-187 of WT) (Y122I, H131R, E144G), comprising the amino acid sequence of SEQ ID NO. 3302; hDHFR (V2A, R33G, Q36R, L100P, K185R), comprising the amino acid sequence of SEQ ID NO. 3303; hDHFR (D22S, F32M, R33S, Q36S, N65S), comprising the amino acid sequence of SEQ ID NO. 3304; hDHFR (Amino acid 2-187 of WT) (D22S, F32M, R33S, Q36S, N65S), comprising the amino acid sequence of SEQ ID NO. 3305; hDHFR (I17N, L98S, K99R, M112T, E151G, E162G, E172G), comprising the amino acid sequence of SEQ ID NO. 3306; hDHFR (G16S, I17V, F89L, D96G, K123E, M140V, D146G, K156R), comprising the amino acid sequence of SEQ ID NO. 3307; hDHFR (K81R, K99R, L100P, E102G, N108D, K123R, H128R, D142G, F180L, K185E), comprising the amino acid sequence of SEQ ID NO. 3308; hDHFR (R138G, D142G, F143S, K156R, K158E, E162G, V166A, K177E, Y178C, K185E, N186S), comprising the amino acid sequence of SEQ ID NO. 3309; hDHFR (N14S, P24S, F35L, M53T, K56E, R92G, S93G, N127S, H128Y, F135L, F143S, L159P, L160P, E173A, F180L), comprising the amino acid sequence of SEQ ID NO. 3310; hDHFR (F35L, R37G, N65A, L68S, K69E, R71G, L80P, K99G, G117D, L132P, I139V, M140I, D142G, D146G, E173G, D187G), comprising the amino acid sequence of SEQ ID NO. 3311; hDHFR (L28P, N30H, M38V, V44A, L68S, N73G, R78G, A97T, K99R, A107T, K109R, D111N, L134P, F135V, T147A, I152V, K158R, E172G, V182A, E184R), comprising the amino acid sequence of SEQ ID NO. 3312; hDHFR (V2A, I17V, N30D, E31G, Q36R, F59S, K69E, I72T, H88Y, F89L, N108D, K109E, V110A, I115V, I115L, Y122D, L132P, F135S, M140V, E144G, T147A, Y157C, V170A, K174R, N186S), comprising the amino acid sequence of SEQ ID NO. 3313; hDHFR (L100P, E102G, Q103R, P104S, E105G, N108D, V113A, W114R, Y122C, M126I, N127R, H128Y, L132P, F135P, I139T, F148S, F149L, I152V, D153A, D169G, V170A, I176A, K177R, V182A, K185R, N186S), comprising the amino acid sequence of SEQ ID NO. 3314; and hDHFR (A10T, Q13R, N14S, N20D, P24S, N30S, M38T, T40A, K47R, N49S, K56R, I61T, K64R, K69R, I72A, R78G, E82G, F89L, D96G, N108D, M112V, W114R, Y122D, K123E, I139V, Q141R, D142G, F148L, E151G, E155G, Y157R, Q171R, Y183C, E184G, K185del, D187N), comprising the amino acid sequence of SEQ ID NO. 3315.

›SUMMARY OF THE INVENTION · 3 of 14

In some embodiments, the payload of the effector module may be selected from, but not limited to, a natural protein, a variant thereof, a fusion polypeptide, an antibody or a fragment thereof, a therapeutic agent or a gene therapy agent.

In one aspect, the effector module may further comprise a protein cleavage site. As a non-limiting example, the protein cleavage site may be a furin cleavage site or a modified furin cleavage site.

In some embodiments, the hDHFR-derived SRE of the effector module may exhibit both a destabilization ratio between 0 and 0.09 and a destabilizing mutation co-efficient between 0.09. The destabilization ratio may comprise the ratio of expression, function or level of the payload in the absence of the stimulus specific to the hDHFR-derived SRE to the expression, function or level of the payload that is expressed constitutively in the absence of the same stimulus. The destabilizing mutation co-efficient may comprise the ratio of expression, function or level of the payload when operably linked to the hDHFR-derived SRE, in the absence of the stimulus specific to the hDHFR-derived SRE; to the expression, function or level of the payload when operably linked to the wildtype protein from which the hDHFR-derived SRE is derived and in the absence of the same stimulus. In one aspect, the hDHFR-derived SRE of the effector module may stabilize the payload by a stabilization ratio of 1 or more. The stabilization ratio may be the ratio of expression, function or level of the payload in the presence of the stimulus to the expression, function or level of the payload in the absence of the stimulus.

In one aspect, the payload of the effector module may be a protein of interest.

The present invention also provides vectors which may comprise a nucleic acid independently selected from, but not limited to any of the sequences selected from SEQ ID NOs. 3316-3318, 3319-3338, 3339-3342, 3343-3345 3346, 3347, 3348, 3349, 3350, 3351, 3352-3354, 3355-3358, 3359, or 3360-3365.

In some embodiments, the vector may be a viral vector. In some embodiments, the viral vector may be retroviral vector, a lentiviral vector, a rAAV vector, or an oncolytic viral vector.

The present invention also provides methods of tuning the expression level and/or activity of a protein of interest. The method of tuning described herein, may comprise appending or attaching a protein of interest to a hDHFR mutant. In some embodiments, the hDHFR mutant may comprise one, two, three or more mutations selected from M1del, V2A, C7R, I8V, V9A, A10T, A10V, Q13R, N14S, G16S, I17N, I17V, K19E, N20D, G21T, G21E, D22S, L23S, P24S, L28P, N30D, N30H, N30S, E31G, E31D, F32M, R33G, R33S, F35L, Q36R, Q36S, Q36K, Q36F, R37G, M38V, M38T, T40A, V44A, K47R, N49S, N49D, M53T, G54R, K56E, K56R, T57A, F59S, I61T, K64R, N65A, N65S, N65D, N65F, L68S, K69E, K69R, R71G, I72T, I72A, I72V, N73G, L74N, V75F, R78G, L80P, K81R, E82G, H88Y, F89L, R92G, S93G, S93R, L94A, D96G, A97T, L98S, K99G, K99R, L100P, E102G, Q103R, P104S, E105G, A107T, A107V, N108D, K109E, K109R, V110A, D111N, M112T, M112V, V113A, W114R, I115V, I115L, V116I, G117D, V121A, Y122C, Y122D, Y122I, K123R, K123E, A125F, M126I, N127R, N127S, N127Y, H128R, H128Y, H131R, L132P, K133E, L134P, F135P, F135L, F135S, F135V, V136M, T137R, R138G, R138I, I139T, I139V, M140I, M140V, Q141R, D142G, F143S, F143L, E144G, D146G, T147A, F148S, F148L, F149L, P150L, E151G, I152V, D153A, D153G, E155G, K156R, Y157R, Y157C, K158E, K158R, L159P, L160P, E162G, Y163C, V166A, S168C, D169G, V170A, Q171R, E172G, E173G, E173A, K174R, I176A, I176F, I176T, K177E, K177R, Y178C, Y178H, F180L, E181G, V182A, Y183C, Y183H, E184R, E184G, K185R, K185del, K185E, N186S, N186D, D187G, and D187N.

In one embodiment, the DDs of the present invention may be stabilized by ligands such as Trimethoprim and Methotrexate.

In some embodiments, the effector module of the present invention is a fusion construct comprising a DD of the invention operably linked to a payload. In one aspect, the payload may be any natural protein of interest (POI) or variants thereof, an antibody or fragments thereof, a therapeutic agent, or any artificial peptide or polypeptide.

In some embodiments, the biocircuit system of the present invention comprising a stimulus and an effector module of the invention. The DD of the effector module binds to the stimulus and regulates the stability of the linked payload. The DD may destabilize the protein of interest by a destabilization ratio between 0, and 0.09, wherein the destabilization ratio comprises the ratio of expression, function or level of a protein of interest in the absence of the stimulus specific to the DD to the expression, function or level of the protein of interest that is expressed constitutively, and in the absence of the stimulus specific to the DD. In some embodiments, the DD may stabilize the protein of interest by a stabilization ratio of 1 or more, wherein the stabilization ratio comprises the ratio of expression, function or level of a protein of interest in the presence of the stimulus to the expression, function or level of the protein of interest in the absence of the stimulus.

In some embodiments, polynucleotides encoding destabilizing domains, effector modules and biocircuit systems, are provided. The polynucleotides of the invention may be codon optimized. Vectors comprising polynucleotides of the invention are also provided. In some aspects, the vector may be a non-viral vector, or a viral vector.

Methods for tuning the expression level and activity of a protein of interest using the DDs, effector modules, biocircuit systems and compositions of the invention are also provided.

The present invention provides compositions and methods for immunotherapy. The compositions relate to tunable systems and agents that induce anti-cancer immune responses in a cell or in a subject. The tunable system and agent may be a biocircuit system comprising at least one effector module that is responsive to at least one stimulus. The biocircuit system may be, but is not limited to, a destabilizing domain (DD) biocircuit system, a dimerization biocircuit system, a receptor biocircuit system, and a cell biocircuit system. These systems are further taught in co-owned U.S. Provisional Patent Application No. 62/320,864 filed Apr. 11, 2016, 62/466,596 filed Mar. 3, 2017 and the International Publication WO2017/180587 (the contents of each of which are herein incorporated by reference in their entirety).

›SUMMARY OF THE INVENTION · 4 of 14

In some embodiments, the composition for inducing an immune response may comprise an effector module. In some embodiments, the effector module may comprise a stimulus response element (SRE) operably linked to at least one payload. In one aspect, the payload may be an immunotherapeutic agent.

In some embodiments, the immunotherapeutic agent may be selected from, but is not limited to a chimeric antigen receptor (CAR) and an antibody.

In one aspect, the SRE of the composition may be responsive to or interact with at least one stimulus.

In some embodiments, the SRE may comprise a destabilizing domain (DD). The DD may be derived from a parent protein or from a mutant protein having one, two, there, or more amino acid mutations compared to the parent protein. In some embodiments, the parent protein may be selected from, but is not limited to, human protein FKBP, comprising the amino acid sequence of SEQ ID NO. 3366; human DHFR (hDHFR), comprising the amino acid sequence of SEQ ID NO. 3367; E. Coli DHFR, comprising the amino acid sequence of SEQ ID NO. 3368; PDE5, comprising the amino acid sequence of SEQ ID NO. 3369; PPAR, gamma comprising the amino acid sequence of SEQ ID NO. 3370; CA2, comprising the amino acid sequence of SEQ ID NO. 3371; or NQO2, comprising the amino acid sequence of SEQ ID NO. 3372.

In one aspect, the parent protein is hDHFR and the DD comprises a mutant protein. The mutant protein may comprise a single mutation and may be selected from, but not limited to hDHFR (I17V), hDHFR (F59S), hDHFR (N65D), hDHFR (K81R), hDHFR (A107V), hDHFR (Y122I), hDHFR (N127Y), hDHFR (M140I), hDHFR (K185E), hDHFR (N186D), and hDHFR (M140I), hDHFR (Amino acid 2-187 of WT; N127Y), hDHFR (Amino acid 2-187 of WT; I17V), hDHFR (Amino acid 2-187 of WT; Y122I), and hDHFR (Amino acid 2-187 of WT; K185E). In some embodiments, the mutant protein may comprise two mutations and may be selected from, but not limited to, hDHFR (C7R, Y163C), hDHFR (A10V, H88Y), hDHFR (Q36K, Y122I), hDHFR (M53T, R138I), hDHFR (T57A, I72A), hDHFR (E63G, I176F), hDHFR (G21T, Y122I), hDHFR (L74N, Y122I), hDHFR (V75F, Y122I), hDHFR (L94A, T147A), DHFR (V121A, Y22I), hDHFR (Y122I, A125F), hDHFR (H131R, E144G), hDHFR (T137R, F143L), hDHFR (Y178H, E181G), and hDHFR (Y183H, K185E), hDHFR (E162G, I176F) hDHFR (Amino acid 2-187 of WT; I17V, Y122I), hDHFR (Amino acid 2-187 of WT; Y122I, M140I), hDHFR (Amino acid 2-187 of WT; N127Y, Y122I), hDHFR (Amino acid 2-187 of WT; E162G, I176F), and hDHFR (Amino acid 2-187 of WT; H131R, E144G), and hDHFR (Amino acid 2-187 of WT; Y122I, A125F). In some embodiments, the mutant may comprise three mutations and the mutant may be selected from hDHFR (V9A, S93R, P150L), hDHFR (I8V, K133E, Y163C), hDHFR (L23S, V121A, Y157C), hDHFR (K19E, F89L, E181G), hDHFR (Q36F, N65F, Y122I), hDHFR (G54R, M140V, S168C), hDHFR (V110A, V136M, K177R), hDHFR (Q36F, Y122I, A125F), hDHFR (N49D, F59S, D153G), and hDHFR (G21E, I72V, I176T), hDHFR (Amino acid 2-187 of WT; Q36F, Y122I, A125F), hDHFR (Amino acid 2-187 of WT; Y122I, H131R, E144G), hDHFR (Amino acid 2-187 of WT; E31D, F32M, V116I), and hDHFR (Amino acid 2-187 of WT; Q36F, N65F, Y122I). In some embodiments, the mutant may comprise four or more mutations and the mutant may be selected from hDHFR (V2A, R33G, Q36R, L100P, K185R), hDHFR (Amino acid 2-187 of WT; D22S, F32M, R33S, Q36S, N65S), hDHFR (I17N, L98S, K99R, M112T, E151G, E162G, E172G), hDHFR (G16S, I17V, F89L, D96G, K123E, M140V, D146G, K156R), hDHFR (K81R, K99R, L100P, E102G, N108D, K123R, H128R, D142G, F180L, K185E), hDHFR (R138G, D142G, F143S, K156R, K158E, E162G, V166A, K177E, Y178C, K185E, N186S), hDHFR (N14S, P24S, F35L, M53T, K56E, R92G, S93G, N127S, H128Y, F135L, F143S, L159P, L160P, E173A, F180L), hDHFR (F35L, R37G, N65A, L68S, K69E, R71G, L80P, K99G, G117D, L132P, I139V, M140I, D142G, D146G, E173G, D187G), hDHFR (L28P, N30H, M38V, V44A, L68S, N73G, R78G, A97T, K99R, A107T, K109R, D111N, L134P, F135V, T147A, I152V, K158R, E172G, V182A, E184R), hDHFR (V2A, I17V, N30D, E31G, Q36R, F59S, K69E, I72T, H88Y, F89L, N108D, K109E, V110A, I115V, Y122D, L132P, F135S, M140V, E144G, T147A, Y157C, V170A, K174R, N186S), hDHFR (L100P, E102G, Q103R, P104S, E105G, N108D, V113A, W114R, Y122C, M126I, N127R, H128Y, L132P, F135P, I139T, F148S, F149L, I152V, D153A, D169G, V170A, I176A, K177R, V182A, K185R, N186S), and hDHFR (A10T, Q13R, N14S, N20D, P24S, N30S, M38T, T40A, K47R, N49S, K56R, I61T, K64R, K69R, I72A, R78G, E82G, F89L, D96G, N108D, M112V, W114R, Y122D, K123E, I139V, Q141R, D142G, F148L, E151G, E155G, Y157R, Q171R, Y183C, E184G, K185del, D187N).

In one aspect, the stimulus of the SRE may be Trimethoprim or Methotrexate.

In some embodiments, the immunotherapeutic agent of the effector module is a chimeric antigen receptor (CAR). The chimeric antigen may comprise an extracellular target moiety; a transmembrane domain; an intracellular signaling domain; and optionally, one or more co-stimulatory domains.

In one aspect, the CAR may be selected from, but is not limited to a standard CAR, a split CAR, an off-switch CAR, an on-switch CAR, a first-generation CAR, a second-generation CAR, a third-generation CAR, or a fourth-generation CAR.

In some embodiments, the extracellular target moiety of the CAR may be selected from, but is not limited to an Ig NAR, a Fab fragment, a Fab′ fragment, a F(ab)′2 fragment, a F(ab)′3 fragment, an Fv, a single chain variable fragment (scFv), a bis-scFv, a (scFv)2, a minibody, a diabody, a triabody, a tetrabody, an intrabody, a disulfide stabilized Fv protein (dsFv), a unibody, a nanobody, and an antigen binding region derived from an antibody that may specifically bind to any of a protein of interest, a ligand, a receptor, a receptor fragment or a peptide aptamer.

In one aspect, the extracellular target moiety may be an scFv derived from an antibody. In one aspect, the scFv may specifically bind to a CD19 antigen

In one aspect, the scFv of the CAR may be a CD19 scFv. In some embodiments, the CD19 scFv may comprise a heavy chain variable region having an amino acid sequence independently selected from the group consisting of SEQ ID NO: 3373-3404, and a light chain variable region having an amino acid sequence independently selected from the group consisting of any of SEQ ID NOs: 3405-3446. In some embodiments, the CD19 scFv may comprise an amino acid sequence selected from the group consisting of any of SEQ ID NOs: 3447-3591, and 3592.

›SUMMARY OF THE INVENTION · 5 of 14

In some embodiments, the intracellular signaling domain of the CAR may be a signaling domain derived from T cell receptor CD3zeta. In some embodiments, the intracellular signaling domain may be selected from a cell surface molecule selected from the group consisting of FcR gamma, FcR beta, CD3 gamma, CD3 delta, CD3 epsilon, CD5, CD22, CD79a, CD79b, and CD66d. In one aspect, the CAR may include a co-stimulatory domain. In some embodiments, the co-stimulatory domain may be selected from the group consisting of 2B4, HVEM, ICOS, LAG3, DAP10, DAP12, CD27, CD28, 4-1BB (CD137), OX40 (CD134), CD30, CD40, ICOS (CD278), glucocorticoid-induced tumor necrosis factor receptor (GITR), lymphocyte function-associated antigen-1 (LFA-1), CD2, CD7, LIGHT, NKG2C, and B7-H3.

(b) the co-stimulatory domain is present and is selected from the group consisting of 2B4, HVEM, ICOS, LAG3, DAP10, DAP12, CD27, CD28, 4-1BB (CD137), OX40 (CD134), CD30, CD40, ICOS (CD278), glucocorticoid-induced tumor necrosis factor receptor (GITR), lymphocyte function-associated antigen-1 (LFA-1), CD2, CD7, LIGHT, NKG2C, and B7-H3.

In some embodiments, the intracellular signaling domain of the CAR may be a T cell receptor CD3zeta signaling domain, which may comprise the amino acid sequence of SEQ ID NO: 3593.

In some embodiments, T cell receptor CD3zeta signaling domain of the CAR, comprising the amino acid sequence of SEQ ID NO: 3594, may further comprise at least one co-stimulatory domain. The co-stimulatory domain may comprise an amino acid sequence of SEQ ID NOs: 421-422, 424-527 and 2739.

In one embodiment, the transmembrane domain of the CAR may be derived from a transmembrane region of an alpha, beta or zeta chain of a T-cell receptor. In one aspect, the transmembrane domain may be derived from the CD3 epsilon chain of a T-cell receptor. In one embodiment, the transmembrane domain may be derived from a molecule selected from CD4, CD5, CD8, CD8a, CD9, CD16, CD22, CD33, CD28, CD37, CD45, CD64, CD80, CD86, CD148, DAP 10, EpoRI, GITR, LAG3, ICOS, Her2, OX40 (CD134), 4-1BB (CD137), CD152, CD154, PD-1, or CTLA-4. In another embodiment, the transmembrane domain may be derived from an immunoglobulin selected from IgG1, IgD, IgG4, and an IgG4 Fc region. In one aspect, the transmembrane domain may comprise an amino acid sequence selected from the group consisting of any of SEQ ID NOs: 3595-3645, and 3646-3656.

In some embodiments, the CAR of the effector module may further comprise a hinge region near the transmembrane domain. In one aspect, the hinge region may comprise an amino acid sequence selected from the group consisting of any of SEQ ID NOs: 590-633, 635-668 and 2741.

In some embodiments, the immunotherapeutic agent may be an antibody that is specifically immunoreactive to an antigen selected from a tumor specific antigen (TSA), a tumor associated antigen (TAA), or an antigenic epitope.

In one aspect, the antigen may be an antigenic epitope. In some embodiments, the antigenic epitope may be CD19.

In some embodiments, the antibody may comprise a heavy chain variable region having an amino acid sequence independently selected from the group consisting of any of SEQ ID NOs: 3657-3688 and a light chain variable region having an amino acid sequence independently selected from the group consisting of any of SEQ ID NOs: 3689-3730. In one aspect, the antibody may comprise an amino acid sequence selected from the group consisting of any of SEQ ID NOs: 3731-3875, and 3876.

In one aspect, the first effector module may comprise the amino acid sequence of any of SEQ ID NO: 38773891, 3892-3897, 3898-3901, and 3902-3918.

In some embodiments, the first SRE of the effector module may stabilize the immunotherapeutic agent by a stabilization ratio of 1 or more, wherein the stabilization ratio may comprise the ratio of expression, function or level of the immunotherapeutic agent in the presence of the stimulus to the expression, function or level of the immunotherapeutic agent in the absence of the stimulus.

In some embodiments, the SRE may destabilize the immunotherapeutic agent by a destabilization ratio between 0, and 0.09, wherein the destabilization ratio may comprise the ratio of expression, function or level of the immunotherapeutic agent in the absence of the stimulus specific to the SRE to the expression, function or level of the immunotherapeutic agent that is expressed constitutively, and in the absence of the stimulus specific to the SRE.

The present invention also provides polynucleotides comprising the compositions of the invention.

In one aspect, the polynucleotides may be a DNA or RNA molecule. In one aspect, the polynucleotides may comprise spatiotemporally selected codons. In one aspect, the polynucleotides of the invention may be a DNA molecule. In some embodiments, the polynucleotides may be an RNA molecule. In one aspect, the RNA molecule may be a messenger molecule. In some embodiments, the RNA molecule may be chemically modified.

In some embodiments, the polynucleotides may further comprise, at least one additional feature selected from, but not limited to, a promoter, a linker, a signal peptide, a tag, a cleavage site and a targeting peptide.

The present invention also provides vectors comprising polynucleotides described herein. In one aspect, the vector may be a viral vector. In some embodiments, the viral vector may be a retroviral vector, a lentiviral vector, a gamma retroviral vector, a recombinant AAV vector, an adeno viral vector, and an oncolytic viral vector.

The present invention also provides immune cells for adoptive cell transfer (ACT) which may express the compositions of the invention, the polynucleotides described herein. In one aspect, the immune cells may be infected or transfected with the vectors described herein. The immune cells for ACT may be selected from, but not limited to a CD8+ T cell, a CD4+ T cell, a helper T cell, a natural killer (NK) cell, a NKT cell, a cytotoxic T lymphocyte (CTL), a tumor infiltrating lymphocyte (TIL), a memory T cell, a regulatory T (Treg) cell, a cytokine-induced killer (CIK) cell, a dendritic cell, a human embryonic stem cell, a mesenchymal stem cell, a hematopoietic stem cell, or a mixture thereof.

›SUMMARY OF THE INVENTION · 6 of 14

In some embodiments, the immune cells may be autologous, allogeneic, syngeneic, or xenogeneic in relation to a particular individual subject.

In some embodiments, the immune cell may further express a composition comprising a second effector module, said second effector module comprising a second SRE linked to a second immunotherapeutic agent. In one aspect, the second immunotherapeutic agent may be selected from a cytokine, and a cytokine-cytokine receptor fusion.

In one aspect, the second immunotherapeutic agent may be a cytokine. In one aspect, the cytokine may be IL12 or IL15.

In one aspect, the second immunotherapeutic agent may be a cytokine-cytokine receptor fusion polypeptide.

In some embodiments, the cytokine-cytokine receptor fusion polypeptide may be selected from, but is not limited to a IL12-IL12 receptor fusion polypeptide, a IL15-IL15 receptor fusion polypeptide, and a IL15-IL15 receptor sushi domain fusion polypeptide.

The present invention provides methods for reducing a tumor volume or burden in a subject comprising contacting the subject with the immune cells of the invention. Also provided herein, is a method for inducing an anti-tumor immune response in a subject, comprising administering the immune cells of the system to the subject.

The present invention also provides methods for enhancing the expansion and/or survival of immune cells, comprising contacting the immune cells with the compositions of the invention, the polynucleotides of the invention, and/or the vectors of the invention.

Also provided herein, is a method for inducing an immune response in a subject, administering the compositions of the invention, the polynucleotides of the invention, and/or the immune cells of the invention to the subject.

The present invention also provides a method of identifying a domain of a CD19 antigen which will not bind the FMC63 antibody (FMC63-distinct CD19 binding domain). The method may comprise (a) preparing a composition comprising a CD19 antigen, (b) contacting the composition in (a) with saturating levels of FMC63 antibody, (c) contacting the composition of step (b) with one or more selected members of a library of potential CD19 binders; and (d) identifying a binding domain on the CD19 antigen based on the differential binding of the selected members of the library of CD19 binders compared to the binding of FMC63. In some embodiments, the binding domains of the library may be generated using phage display techniques with the CD19 antigen as the seed sequence. In one aspect, the binding domain may be selected from a Fab fragment, a Fab′ fragment, a F(ab)′2 fragment, a F(ab)′3 fragment, Fv, a single chain variable fragment (scFv), a bis-scFv, a (scFv)2, a minibody, a diabody, a triabody, a tetrabody, a disulfide stabilized Fv protein (dsFv), a unibody, a nanobody, or an antigen binding region of an antibody, and an antibody fragment. In one aspect, the CD19 antigen may be selected from a whole or a portion of a human CD19 antigen, and a whole or a portion of a Rhesus CD19 antigen.

The present invention also provides chimeric antigen receptors that may comprise the FMC63-distinct CD19 binding domain obtained according to the methods described herein. Also, provided herein is a stimulus response element (SRE) operably linked to the chimeric antigen receptors that include the FMC63-distinct CD19 binding domain.

In some embodiments, the effector module comprises a stimulus response element (SRE) and at least one payload comprising a protein of interest (POI).

In some embodiments, the SRE may be a destabilizing domain (DD). In some examples, the DD is a mutant domain derived from a protein such as FKBP (FK506 binding protein), E. coli DHFR (Dihydrofolate reductase) (ecDHFR), human DHFR (hDHFR), or any protein of interest. In this context, the biocircuit system is a DD biocircuit system.

The payload may be any immunotherapeutic agent used for cancer immunotherapy such as a chimeric agent receptor (CAR) such as CD19 CAR that targets any molecule of tumor cells, an antibody, an antigen binding domain or combination of antigen binding domains, a cytokine such as IL12, IL15 or IL15/IL15Ra fusion, or any agent that can induce an immune response. The SRE and payload may be operably linked through one or more linkers and the positions of components may vary within the effector module.

In some embodiments, the effector module may further comprise of one or more additional features such as linker sequences (with specific sequences and lengths), cleavage sites, regulatory elements (that regulate expression of the protein of interest such as microRNA targeting sites), signal sequences that lead the effector module to a specific cellular or subcellular location, penetrating sequences, or tags and biomarkers for tracking the effector module.

In some embodiments, the DD may stabilize the immunotherapeutic agent with a stabilization ratio of at least one in the presence of the stimulus. According to the present invention, the DD may destabilize the immunotherapeutic agent in the absence of ligand with a destabilization ratio between 0, and 0.99.

The invention provides isolated biocircuit polypeptides, effector modules, stimulus response elements (SREs) and payloads, as well as polynucleotides encoding any of the foregoing; vectors comprising polynucleotides of the invention; and cells expressing polypeptides, polynucleotides and vectors of the invention. The polypeptides, polynucleotides, viral vectors and cells are useful for inducing anti-tumor immune responses in a subject.

In some embodiments, the vector of the invention is a viral vector. The viral vector may include, but is not limited to a retroviral vector, an adenoviral vector, an adeno-associated viral vector, or a lentiviral vector.

In some embodiments, the vector of the invention may be a non-viral vector, such as a nanoparticles and liposomes.

The present invention also provides immune cells engineered to include one or more polypeptides, polynucleotides, or vectors of the present invention. The cells may be immune effector cells, including T cells such as cytotoxic T cells, helper T cells, memory T cells, regulatory T cells, natural killer (NK) cells, NK T cells, cytokine-induced killer (CIK) cells, cytotoxic T lymphocytes (CTLs), and tumor infiltrating lymphocytes (TILs). The engineered cell may be used for adoptive cell transfer for treating a disease (e.g., a cancer).

›SUMMARY OF THE INVENTION · 7 of 14

The present invention also provides methods for inducing immune responses in a subject using the compositions of the invention. Also provided are methods for reducing a tumor burden in a subject using the compositions of the invention.

Also provided herein are methods for identifying FMC63-distinct binding domains and using CD19 antigens in which the FMC63 binding epitope is masked or absent. In some embodiments, the FMC63 binding domain may be included in the payloads and effector modules of the invention.

The present invention provides compositions and methods for immunotherapy. The compositions relate to tunable systems and agents that induce an immune response in a cell or in a subject. The tunable system and agent may be a biocircuit system comprising at least one effector module that is responsive to at least one stimulus. The biocircuit system may be, but is not limited to, a destabilizing domain (DD) biocircuit system, a dimerization biocircuit system, a receptor biocircuit system, and a cell biocircuit system. These systems are further taught in co-owned U.S. Provisional Patent Application No. 62/320,864 filed Apr. 11, 2016, 62/466,596 filed Mar. 3, 2017 and the International Publication WO2017/180587 (the contents of each of which are herein incorporated by reference in their entirety).

In some embodiments, the immunotherapeutic agent may be selected from, but not limited to a cytokine, a cytokine receptor, a cytokine-cytokine receptor fusion, and any combinations thereof.

In one aspect, the SRE of the composition may be responsive to or interact with at least one stimulus.

In some embodiments, the SRE may comprise a destabilizing domain (DD). The DD may be derived from a parent protein or from a mutant protein having one, two, there, or more amino acid mutations compared to the parent protein. In some embodiments, the parent protein may be selected from, but is not limited to, human protein FKBP, comprising the amino acid sequence of SEQ. ID NO. 3919; human DHFR (hDHFR), comprising the amino acid sequence of SEQ. ID NO. 3920; E. Coli DHFR, comprising the amino acid sequence of SEQ. ID NO. 3921; PDE5, comprising the amino acid sequence of SEQ. ID NO. 3922; PPAR, gamma comprising the amino acid sequence of SEQ. ID NO. 3923; CA2, comprising the amino acid sequence of SEQ. ID NO. 3924; or NQO2, comprising the amino acid sequence of SEQ. ID NO. 3925.

In one aspect, the stimulus of the SRE may be Trimethoprim or Methotrexate.

›SUMMARY OF THE INVENTION · 8 of 14

In some embodiments, the immunotherapeutic agent of the composition may be a cytokine. The cytokine may be an interleukin, an interferon, a tumor necrosis factor, a transforming growth factor B, a CC chemokine, a CXC chemokine, a CX3C chemokine or a growth factor.

In one aspect, the interleukin may be a whole or a portion of a IL15 and may comprise the amino acid sequence of SEQ ID NO. 3926. In one aspect, the IL15 may be modified. In some embodiments, the modifications may comprise fusing SEQ ID NO. 3926 to the whole or a portion of, a transmembrane domain. The IL15 may optionally be modified by incorporating a hinge domain.

In one aspect, the immunotherapeutic agent may be a cytokine-cytokine receptor fusion polypeptide. In some embodiments, the cytokine-cytokine receptor fusion polypeptide may comprise the whole or a portion of SEQ. ID NO. 3926, fused to the whole or a portion of any of SEQ. ID NOs. 3927-3934 to produce a IL15-IL15 receptor fusion polypeptide.

In some embodiments, the cytokine-cytokine receptor fusion polypeptide may be modified. The modification may comprise fusing the IL15-IL15 receptor fusion polypeptide to the whole, or a portion, of a transmembrane protein. In one aspect, an optional hinge domain may be incorporated.

In one aspect, the SRE of the composition may stabilize the immunotherapeutic agent by a stabilization ratio of 1 or more. The stabilization ratio may comprise the ratio of expression, function or level of the immunotherapeutic agent in the presence of the stimulus to the expression, function or level of the immunotherapeutic agent in the absence of the stimulus.

In one aspect, the SRE of the composition may destabilize the immunotherapeutic agent by a destabilization ratio between 0, and 0.09. The destabilization ratio may comprise the ratio of expression, function or level of an immunotherapeutic agent in the absence of the stimulus specific to the SRE to the expression, function or level of the immunotherapeutic agent that is expressed constitutively, and in the absence of the stimulus specific to the SRE.

The present invention also provides polynucleotides comprising the compositions of the invention.

In some embodiments, the immune cells may be autologous, allogeneic, syngeneic, or xenogeneic in relation to a particular individual subject.

In some embodiments, the effector module comprises a stimulus response element (SRE) and at least one payload comprising a payload of interest (POI).

In some embodiments, the SRE may be a destabilizing domain (DD). In some examples, the DD is a domain derived from a protein such as FKBP (FK506 binding protein), E. coli DHFR (Dihydrofolate reductase) (ecDHFR), human DHFR (hDHFR), or any payload of interest. In this context, the biocircuit system is a DD biocircuit system.

The payload may be an immunotherapeutic agent used for cancer immunotherapy such as a cytokine such as IL15 or a cytokine-cytokine receptor polypeptides such as IL15/IL15Ra fusion polypeptide, or any agent that can induce an immune response. The SRE and payload may be operably linked through one or more linkers and the positions of components may vary within the effector module.

In some embodiments, the effector module may further comprise one or more additional features such as linker sequences (with specific sequences and lengths), cleavage sites, regulatory elements (that regulate expression of the protein of interest such as microRNA targeting sites), signal sequences that lead the effector module to a specific cellular or subcellular location, penetrating sequences, or tags and biomarkers for tracking the effector module.

›SUMMARY OF THE INVENTION · 9 of 14

In some embodiments, the DD may stabilize the protein of interest with a stabilization ratio of at least one in the presence of the stimulus. According to the present invention, the DD may destabilize the protein of interest in the absence of ligand with a destabilization ratio between 0, and 0.99.

The present invention also provides immunotherapeutic agents which may be a cytokine fused to its cognate cytokine receptor. In one embodiment, the immotherapeutic agent of the invention may a fusion polypeptide comprising the whole or a portion of IL15 fused to the whole or a portion of the IL15Ra. Such fusion polypeptides may be membrane associated or secreted.

In some embodiments, the vector of the invention may be a non-viral vector, such as a nanoparticles and liposomes.

Provided herein are methods for tuning the expression and function of immunotherapeutic agent in cells or subjects. Such method may involve the administering effector modules containing an SRE operably linked to an immunotherapeutic agent. In some embodiments, the immunotherapeutic agent is IL15 or IL15 fused to IL15Ra. In some embodiments, the SRE is derived from FKBP, DHFR, PDE5, PPAR gamma, CA2 and NQO2.

In some embodiments, the immunotherapeutic agent may be selected from, but not limited to a cytokine, a cytokine receptor, a cytokine-cytokine receptor fusion, and any combinations thereof.

In one aspect, the SRE of the composition may be responsive to or interact with at least one stimulus.

In some embodiments, the SRE may comprise a destabilizing domain (DD). The DD may be derived from a parent protein or from a mutant protein having one, two, there, or more amino acid mutations compared to the parent protein. In some embodiments, the parent protein may be selected from, but is not limited to, human protein FKBP, comprising the amino acid sequence of SEQ ID NO. 3935; human DHFR (hDHFR), comprising the amino acid sequence of SEQ ID NO. 3936; E. Coli DHFR, comprising the amino acid sequence of SEQ ID NO. 3937; PDE5, comprising the amino acid sequence of SEQ ID NO. 3938; PPAR, gamma comprising the amino acid sequence of SEQ ID NO. 3939; CA2, comprising the amino acid sequence of SEQ ID NO. 3940; or NQO2, comprising the amino acid sequence of SEQ ID NO. 3941.

›SUMMARY OF THE INVENTION · 10 of 14

In one aspect, the stimulus of the SRE may be Trimethoprim or Methotrexate.

In one aspect, the interleukin may be a whole or a portion of a IL12 and may comprise a p40 subunit (the amino acid sequence of SEQ ID NO. 3942) or portion thereof and/or a p35 subunit (the amino acid sequence of SEQ ID NO. 3943). In one aspect, the IL12 may be modified. In some embodiments, the modifications may comprise fusing SEQ ID NO. 3942, and/or SEQ ID NO. 3943, to the whole or a portion of, a transmembrane domain. The IL12 may optionally be modified by incorporating a hinge domain.

In one aspect, the composition may include a first effector module (e.g., an effector module comprising IL12 or a portion thereof) and a second effector module. The second effector module may be a second SRE linked to an immunotherapeutic agent. As a non-limiting example, the immunotherapeutic agent is IL15 or an IL15/IL15Ra fusion polypeptide.

The present invention also provides polynucleotides comprising the compositions of the invention.

In some embodiments, the immune cells may be autologous, allogeneic, syngeneic, or xenogeneic in relation to a particular individual subject.

In some embodiments, the effector module comprises a stimulus response element (SRE) and at least one payload comprising a protein of interest (POI).

The payload may be any immunotherapeutic agent used for cancer immunotherapy such as a cytokine. In one embodiment, the cytokine may be IL12. The SRE and payload may be operably linked through one or more linkers and the positions of components may vary within the effector module.

›SUMMARY OF THE INVENTION · 11 of 14

In some embodiments, the vector of the invention may be a non-viral vector, such as a nanoparticles and liposomes.

Also provided herein are compositions and vectors containing a second effector module comprising second a stimulus response element (SRE) and at least second immunotherapeutic agent. In some embodiments, the immunotherapeutic agent may IL15 or IL15/IL15Ra fusion polypeptide.

Provided herein are methods for tuning the expression and function of immunotherapeutic agent in cells or subjects. Such method may involve the administering effector modules containing an SRE operably linked to an immunotherapeutic agent. In some embodiments, the immunotherapeutic agent is IL12. In some embodiments, the SRE is derived from FKBP, DHFR, PDE5, PPAR gamma, CA2 and NQO2. Methods for pulsatile regulation of an immunotherapeutic agent using compositions described herein are also provided.

The present invention provides compositions and methods for immunotherapy. The compositions relate to tunable systems and agents that induce anti-cancer immune responses in a cell or in a subject. The tunable system and agent may be a biocircuit system comprising at least one effector module that is responsive to at least one stimulus. The biocircuit system may be, but is not limited to, a destabilizing domain (DD) biocircuit system, a dimerization biocircuit system, a receptor biocircuit system, and a cell biocircuit system. These systems are further taught in co-owned U.S. Provisional Patent Application No. 62/320,864 filed Apr. 11, 2016, 62/466,596 filed Mar. 3, 2017 and the International Publication WO2017/180587 (the contents each of which are herein incorporated by reference in their entirety).

In some embodiments, the composition for inducing an immune response may comprise a first effector module. In some embodiments, the effector module may comprise a first stimulus response element (SRE) operably linked to at least one payload. In one aspect, the payload may be an immunotherapeutic agent.

In some embodiments, the immunotherapeutic agent may be selected from, but is not limited to a cytokine, a safety switch, a regulatory switch, a chimeric antigen receptor and combinations thereof.

In one aspect, the first SRE of the composition may be responsive to or interact with at least one stimulus.

In some embodiments, the first SRE may comprise a destabilizing domain (DD). The DD may be derived from a parent protein or from a mutant protein having one, two, there, or more amino acid mutations compared to the parent protein. In some embodiments, the parent protein may be selected from, but is not limited to, human protein FKBP, comprising the amino acid sequence of SEQ. ID NO. 3944; human DHFR (hDHFR), comprising the amino acid sequence of SEQ. ID NO. 3945; E. Coli DHFR, comprising the amino acid sequence of SEQ. ID NO. 3946; PDE5, comprising the amino acid sequence of SEQ. ID NO. 3947; PPAR, gamma comprising the amino acid sequence of SEQ. ID NO. 3948; CA2, comprising the amino acid sequence of SEQ. ID NO. 3949; or NQO2, comprising the amino acid sequence of SEQ. ID NO. 3950.

In one aspect, the parent protein is hDHFR and the DD comprises a mutant protein having at least one mutation selected from M1del, V2A, C7R, I8V, V9A, A10T, A10V, Q13R, N14S, G16S, I17N, I17V, K19E, N20D, G21T, G21E, D22S, L23S, P24S, L28P, N30D, N30H, N30S, E31G, E31D, F32M, R33G, R33S, F35L, Q36R, Q36S, Q36K, Q36F, R37G, M38V, M38T, T40A, V44A, K47R, N49S, N49D, M53T, G54R, K56E, K56R, T57A, F59S, I61T, K64R, N65A, N65S, N65D, N65F, L68S, K69E, K69R, R71G, I72T, I72A, I72V, N73G, L74N, V75F, R78G, L80P, K81R, E82G, H88Y, F89L, R92G, S93G, S93R, L94A, D96G, A97T, L98S, K99G, K99R, L100P, E102G, Q103R, P104S, E105G, A107T, A107V, N108D, K109E, K109R, V110A, D111N, M112T, M112V, V113A, W114R, I115V, V116I, G117D, V121A, Y122C, Y122D, Y122I, K123R, K123E, A125F, M126I, N127R, N127S, N127Y, H128R, H128Y, H131R, L132P, K133E, L134P, F135P, F135L, F135S, F135V, V136M, T137R, R138G, R138I, I139T, I139V, M140I, M140V, Q141R, D142G, F143S, F143L, E144G, D146G, T147A, F148S, F148L, F149L, P150L, E151G, I152V, D153A, D153G, E155G, K156R, Y157R, Y157C, K158E, K158R, L159P, L160P, E162G, Y163C, V166A, S168C, D169G, V170A, Q171R, E172G, E173G, E173A, K174R, I176A, I176F, I176T, K177E, K177R, Y178C, Y178H, F180L, E181G, V182A, Y183C, Y183H, E184R, E184G, K185R, K185del, K185E, N186S, N186D, D187G, and D187N.

In one aspect, the stimulus of the SRE may be Trimethoprim or Methotrexate.

In some embodiments, the immunotherapeutic agent may be a cytokine. In one aspect, the cytokine may be an interleukin, an interferon, a tumor necrosis factor, a transforming growth factor B, a CC chemokine, a CXC chemokine, a CX3C chemokine or a growth factor. In some embodiments, the cytokine is an interleukin. In some embodiments, the interleukin is selected from a group consisting of IL1, L1-alpha, L1-beta, IL1-delta, IL1-epsilon, L1-eta, L1-zeta, IL-RA, IL2, IL3, IL4, IL5, IL6, IL7, IL8, IL9, IL10, IL10C, IL10D, IL11a, IL11b, IL13, IL14, IL16, IL17, IL-17A, IL17B, IL17C, IL17E, IL17F, IL18, IL19, IL20, IL20L, IL21, IL22, IL23, IL23A, IL24, IL25, IL26, IL27, IL28, IL29, IL30, IL31, IL32, IL33, IL34, IL36α, IL36β, IL36γ, IL36RN, IL37, IL37a, IL37b, IL37c, I137d, IL37e, and IL38.

›SUMMARY OF THE INVENTION · 12 of 14

In one aspect, the interleukin may be IL2, comprising the amino acid sequence of SEQ ID NO. 3951.

In one aspect, the immunotherapeutic agent may be a safety switch. In some embodiments, the safety switch may be selected from a Caspase 9, an inducible FAS (iFAS), an inducible caspase 9 (icasp9), a CD20/anti-CD20 antibody pair, a protein tag/anti-tag antibody, and a compact suicide gene (RQR8). In one aspect, the safety switch may be Caspase 9 comprising the amino acid sequence of SEQ ID NO. 3952.

In one aspect, the immunotherapeutic agent may encode a regulatory switch. In some embodiments, the regulatory switch may be selected from a FOXP3, a Nr4a, a FOXO, and a NF-κB. In one aspect, the regulatory switch may be a FOXP3, comprising the amino acid sequence of SEQ ID NO. 3953-3956.

In one aspect, the immunotherapeutic agent may be a chimeric antigen receptor (CAR). In some embodiments, the CAR may be selected from a GD2 CAR, a Her2 CAR, a BCMA CAR, a CD33 CAR, an ALK CAR, a CD22 CAR, and a CD276 CAR. The CARs described herein may comprise an extracellular moiety, a transmembrane domain, an intracellular signaling domain, and optionally, one or more co-stimulatory domains.

In one aspect, the CAR may be selected from, but is not limited, to a standard CAR, a split CAR, an off-switch CAR, an on-switch CAR, a first-generation CAR, a second-generation CAR, a third-generation CAR, or a fourth-generation CAR.

In some embodiments, the extracellular target moiety may be selected from an ALK target moiety, comprising the amino acid sequence of SEQ ID NO. 3957-3972 and 3973-3980, a CD22 target moiety, comprising the amino acid sequence of SEQ ID NO. 3981, 775-777 and 2742, and 3982-3984, a CD276 target moiety, comprising the amino acid sequence of SEQ ID NO. 3985-3992, and 3993-3996, a GD2 target moiety, comprising the amino acid sequence of SEQ ID NO. 3997-4075, and 4075-4104, a CD33 target moiety, comprising the amino acid sequence of SEQ ID NO. 4105-4112, a BCMA target moiety, comprising the amino acid sequence of SEQ ID NO 4113-4120, and a Her2 target moiety, comprising the amino acid sequence of SEQ ID NO. 4121-4176, and 4177-4184.

In some embodiments, the intracellular signaling domain of the CAR may be derived from T cell receptor CD3zeta or a cell surface molecule selected from the group consisting of FcR gamma, FcR beta, CD3 gamma, CD3 delta, CD3 epsilon, CD5, CD22, CD79a, CD79b, and CD66d.

In some embodiments, the CAR may comprise a co-stimulatory domain. The costimulatory domain may be selected from the group consisting of 2B4, HVEM, ICOS, LAG3, DAP10, DAP12, CD27, CD28, 4-1BB (CD137), OX40 (CD134), CD30, CD40, ICOS (CD278), glucocorticoid-induced tumor necrosis factor receptor (GITR), lymphocyte function-associated antigen-1 (LFA-1), CD2, CD7, LIGHT, NKG2C, and B7-H3.

In one embodiment, the transmembrane domain of the CAR may be derived from a transmembrane domain. In one aspect, the transmembrane domain may comprise the amino acid sequence selected from, but not limited to SEQ ID NO. 981-1030, 1032-1078 and 2743.

In one aspect, the first effector module may comprise an IL2-DD, comprising the amino acid sequence of any of SEQ ID NOs. 4185-4187.

In one aspect, the first effector module may comprise a Caspase 9-DD, comprising the amino acid sequence of any of SEQ ID NOs. 4188-4196.

In one aspect, the first effector module may comprise a FOXP3-DD, comprising the amino acid sequence of any of SEQ ID NOs. 4197-4206.

In one aspect, the first effector module may comprise a BCMA CAR-DD, comprising the amino acid sequence of any of SEQ ID NOs. 4207-4209.

In one aspect, the first effector module may comprise a HER2-DD, comprising the amino acid sequence of any of SEQ ID NO. 4210.

The present invention, also provides polynucleotides encoding the compositions of the invention.

In one aspect, the polynucleotides may be a DNA or RNA molecule. In one aspect, the polynucleotides may comprise spatiotemporally selected codons. In some embodiments, the polynucleotides may be an RNA molecule. In one aspect, the RNA molecule may be a messenger molecule. In some embodiments, the RNA molecule may be chemically modified. In some embodiments, the polynucleotides may comprise spatiotemporally selected codons.

›SUMMARY OF THE INVENTION · 13 of 14

In one aspect, the immune cell may comprise a destabilizing domain DD, wherein the DD is derived from human protein FKBP comprising the amino acid sequence of SEQ ID NO. 4211, DHFR comprising the amino acid sequence of SEQ ID NO. 4212-4213, PDE5 comprising the amino acid sequence of SEQ ID NO. 4214, PPAR gamma comprising the amino acid sequence of SEQ ID NO. 4215, CA2 comprising the amino acid sequence of SEQ ID NO. 4216 and NQO2 comprising the amino acid sequence of SEQ ID NO. 4217.

In one aspect, the DD may be derived from a parent protein and the parent protein is hDHFR and the DD comprises a mutant protein having at least one mutation selected from M1del, V2A, C7R, 18V, V9A, A10T, A10V, Q13R, N14S, G16S, I17N, I17V, K19E, N20D, G21T, G21E, D22S, L23S, P24S, L28P, N30D, N30H, N30S, E31G, E31D, F32M, R33G, R33S, F35L, Q36R, Q36S, Q36K, Q36F, R37G, M38V, M38T, T40A, V44A, K47R, N49S, N49D, M53T, G54R, K56E, K56R, T57A, F59S, I61T, K64R, N65A, N65S, N65D, N65F, L68S, K69E, K69R, R71G, I72T, I72A, I72V, N73G, L74N, V75F, R78G, L80P, K81R, E82G, H88Y, F89L, R92G, S93G, S93R, L94A, D96G, A97T, L98S, K99G, K99R, L100P, E102G, Q103R, P104S, E105G, A107T, A107V, N108D, K109E, K109R, V110A, D111N, M112T, M112V, V113A, W114R, I115V, V116I, G117D, V121A, Y122C, Y122D, Y122I, K123R, K123E, A125F, M126I, N127R, N127S, N127Y, H128R, H128Y, H131R, L132P, K133E, L134P, F135P, F135L, F135S, F135V, V136M, T137R, R138G, R138I, I139T, I139V, M140I, M140V, Q141R, D142G, F143S, F143L, E144G, D146G, T147A, F148S, F148L, F149L, P150L, E151G, I152V, D153A, D153G, E155G, K156R, Y157R, Y157C, K158E, K158R, L159P, L160P, E162G, Y163C, V166A, S168C, D169G, V170A, Q171R, E172G, E173G, E173A, K174R, I176A, I176F, I176T, K177E, K177R, Y178C, Y178H, F180L, E181G, V182A, Y183C, Y183H, E184R, E184G, K185R, K185del, K185E, N186S, N186D, D187G, and D187N.

In some embodiments, the immune cells may be autologous, allogeneic, syngeneic, or xenogeneic in relation to a particular individual subject.

The present invention also provides methods for preventing or reversing T cell exhaustion in a subject in need thereof. Such methods may comprise administering to the subject, a therapeutically effective amount of compositions described herein, the polynucleotides of the invention, the vectors of the invention, or the immune cells described herein. Such methods may comprise an SRE that responds to a stimulus and tunes the expression and/or function of the immunotherapeutic agent, thereby preventing or reversing T cell exhaustion.

In some aspects, the immunotherapeutic agent is a chimeric antigen receptor. In some embodiments, the chimeric antigen receptor may be a GD2 CAR, a BCMA CAR, a CD33 CAR, a Her2 CAR, an ALK CAR, a CD22 CAR, or a CD276 CAR.

Also provided herein, is a method for detecting cancer in a mammal, comprising the steps of (a) contacting a sample comprising one or more cells from the mammal with the compositions, the polynucleotides, the vector or the immune cells of the invention, and (b) detecting the complex, wherein the detection of the complex may be indicative of the presence of cancer in the mammal.

In some embodiments, the effector module comprises a stimulus response element (SRE) and at least one payload comprising a protein of interest (POI).

The payload may be any immunotherapeutic agent used for cancer immunotherapy such as a cytokine such as IL2, a safety switch such as Caspase 9, a regulatory switch encoding FOXP3, a chimeric antigen receptor such as BCMA CAR, CD33 CAR, GD2 CAR, Her2 CAR, ALK CAR, CD22 CAR, CD276 CAR or any agent that can induce an immune response. The SRE and payload may be operably linked through one or more linkers and the positions of components may vary within the effector module.

In some embodiments, the vector of the invention may be a non-viral vector, such as a nanoparticles and liposomes.

›SUMMARY OF THE INVENTION · 14 of 14

›BRIEF DESCRIPTION OF THE DRAWINGS · 1 of 3

FIG. 1 shows an overview diagram of a biocircuit system of the invention. The biocircuit comprises a stimulus and at least one effector module responsive to a stimulus, where the response to the stimulus produces a signal or outcome. The effector module comprises at least one stimulus response element (SRE) and one payload.

FIG. 2 shows representative effector modules carrying one payload. The signal sequence (SS), SRE and payload may be located or positioned in various arrangements without (A to F) or with (G to Z, and AA to DD) a cleavage site. An optional linker may be inserted between each component of the effector module.

FIG. 3 shows representative effector modules carrying two payloads without a cleavage site. The two payloads may be either directly linked to each other or separated.

FIG. 4 shows representative effector modules carrying two payloads with a cleavage site. In one embodiment, an SS is positioned at the N-terminus of the construct, while other components: SRE, two payloads and the cleavage site may be located at different positions (A to L). In another embodiment, the cleavage site is positioned at the N-terminus of the construct (M to X). An optional linker may be inserted between each component of the effector module.

FIG. 5 shows effector modules of the invention carrying two payloads, where an SRE is positioned at the N-terminus of the construct (A to L), while SS, two payloads and the cleavage site can be in any configuration. An optional linker may be inserted between each component of the effector module.

FIG. 6 shows effector modules of the invention carrying two payloads, where either the two payloads (A to F) or one of the two payloads (G to X) is positioned at the N-terminus of the construct (A to L), while SS, SRE and the cleavage site can be in any configuration. An optional linker may be inserted between each component of the effector module.

FIG. 7 A - FIG. 7 B depict[[s]] representative configurations of the stimulus and effector module within a biocircuit system. FIG. 7 A and FIG. 7 B show that a[[A]] trans-membrane effector module is activated either by a free stimulus ( FIG. 7 A ) or a membrane bound stimulus ( FIG. 7 B ) which binds to SRE. The response to the stimulus causes the cleavage of the intracellular signal/payload, which activates down-stream effector/payload.

FIG. 8 depicts a dual stimulus-dual presenter biocircuit system, where two bound stimuli (A and B) from two different presenters (e.g., different cells) bind to two different effector modules in a single receiver (e.g., another single cell) simultaneously and create a dual-signal to downstream payloads.

FIG. 9 depicts a dual stimulus-single presenter biocircuit system, where two bound stimuli (A and B) from the same presenter (e.g., a single cell) bind to two different effector modules in another single cell simultaneously and create a dual-signal.

FIG. 10 depicts a single-stimulus-bridged receiver biocircuit system. In this configuration, a bound stimulus (A) binds to an effector module in the bridge cell and creates a signal to activate a payload which is a stimulus (B) for another effector module in the final receiver (e.g., another cell).

FIG. 11 depicts a single stimulus-single receiver biocircuit system, wherein the single receiver contains the two effector modules which are sequentially activated by a single stimulus.

FIG. 12 depicts a biocircuit system which requires a dual activation. In this embodiment, one stimulus must bind the transmembrane effector module first to prime the receiver cell being activated by the other stimulus. The receiver only activates when it senses both stimuli.

FIG. 13 depicts a standard effector module of a chimeric antigen receptor (CAR) system which comprises an antigen binding domain as an SRE, and signaling domain(s) as payload.

FIG. 14 depicts the structure design of a regulatable CAR system, where the trans-membrane effector modules comprise antigen binding domains sensing an antigen and a first switch domain and the intracellular module comprises a second switch domain and signaling domains. A stimulus (e.g., a dimerization small molecule) can dimerize the first and second switch domains and assemble an activated CAR system.

FIG. 15 A - FIG. 15 C show[[s]] schematic representations of CAR systems having one ( FIG. 15 A ) or two ( FIG. 15 B and FIG. 15 C ) SREs incorporated into the effector module.

FIG. 16 A - FIG. 16 C depict[[s]] a split CAR design to control T cell activation by a dual stimulus (e.g., an antigen and small molecule). FIG. 16 A shows normal T cell activation which entails a dual activation of TCR and co-stimulatory receptor. The regular CAR design ( FIG. 16 B ) combines the antigen recognition domain with TCR signaling motif and co-stimulatory motif in a single molecule. The split CAR system ( FIG. 16 C ) separates the components of the regular CAR into two separate effector modules which can be reassembled when a heterodimerizing small molecule (stimulus) is present.

FIG. 17 A - FIG. 17 B depict[[s]] the positive and negative regulation of CAR engineered T cell activation. The absence or presence of a second stimulus can negatively ( FIG. 17 A ) or positively ( FIG. 17 B ) control T cell activation.

FIG. 18 A - FIG. 18 D show[[s]] schematic representations of gated activation of CAR engineered T cells. FIG. 18 A - FIG. 18 C show if [[If]] a normal cell has no stimulus (e.g., an antigen) ( FIG. 18 A ) or an antigen that cannot bind to the trans-membrane effector module ( FIG. 18 B ), or only an antigen that activates the trans-membrane effector module and primes the receiver T cell to express the second effector ( FIG. 18 C ), the receiver T cell remains inactive. When both stimuli (e.g. two antigens) that bind the trans-membrane effector module and the primed effector, are present on the presenter cell (e.g. a cancer cell), the T cell is activated ( FIG. 18 D ).

FIG. 19 A - FIG. 19 F show hDHFR mutants' expression in a western blot using Anti-AcGFP antibody ( FIG. 19 A - FIG. 19 C ) or anti-human DHFR antibody ( FIG. 19 D - FIG. 19 F ).

›BRIEF DESCRIPTION OF THE DRAWINGS · 2 of 3

FIG. 20 A - FIG. 20 B show GFP intensity of hDHFR mutants. FIG. 20 A shows GFP intensity of hDHFR mutants in the absence of ligand as measured by FACS. FIG. 20 B shows GFP intensity of hDHFR mutants in the presence of ligand as measured by FACS.

FIG. 21 A - FIG. 21 B show MTX or TMP titration with hDHFR mutants. FIG. 21 A shows MTX titration with hDHFR mutant as measured by FACS. FIG. 21 B shows TMP titration with hDHFR mutant as measured by FACS.

FIG. 22 shows responsiveness of hDHFR mutants to ligand withdrawal as measured by FACS.

FIG. 23 shows hDHFR-IL15/IL15Ra fusion protein expression in a western blot using anti IL15 and anti hDHFR antibodies.

FIG. 24 A - FIG. 24 D show IL15 protein levels and surface expression of IL15 and IL15Ra. FIG. 24 A is a western blot of IL15 protein levels in 293T cells. FIG. 24 B and FIG. 24 C are histograms depicting surface expression of IL15 and IL15Ra respectively. FIG. 24 D is a western blot of IL15 and hDHFR in HCT116 cells.

FIG. 25 A and FIG. 25 B show the sequence alignment of wildtype DHFR (SEQ ID NO. 4218) with hDHFR mutants. FIG. 25 A and FIG. 25 B disclose SEQ ID NOS 3093-3094, respectively, in order of appearance.

FIG. 26 shows the expression of IL15/IL15Ra fusion protein expression in a western blot using anti IL15 Ra antibody.

FIG. 27 is a western blot of IL15Ra protein levels in HCT116 cells.

FIG. 28 A - FIG. 28 B show expression of CD19 chimeric antigen receptors. FIG. 28 A shows the expression of CD19 chimeric antigen receptors in a western blot using CD3 Zeta antibody. FIG. 28 B shows the expression of CD19 chimeric antigen receptors in a western blot using 4-1BB antibody.

FIG. 29 A - FIG. 29 D depict results of expression assays for CD19 CAR components. FIG. 29 A and FIG. 29 B are western blots depicting the protein levels of CD3 Zeta of the DD-CD19 CAR construct and actin. FIG. 29 C shows the expression of CD19 chimeric antigen receptors in a western blot using 4-1BB antibody. FIG. 29 D is a bar graph depicting the surface expression of CD19 CAR.

FIG. 30 A - FIG. 30 B depict expression of DHFR mutants with Trimethoprim or Methotrexate in HEK293 cells. FIG. 30 A shows the expression of DHFR mutants with increasing concentrations of Trimethoprim in a western blot using GFP antibody. FIG. 30 B shows the expression of DHFR mutants with increasing concentrations of Methotrexate in a western blot using GFP antibody.

FIG. 31 A - FIG. 31 D depict results from assays measuring IL12 levels. FIG. 31 A is a bar graph depicting IL12 levels in the various dilutions of media derived from cells expressing DD-IL12. FIG. 31 B is a bar graph depicting the Shield-1 dose responsive induction of DD-IL12.

FIG. 31 C depicts plasma IL12 levels in mice implanted with SKOV3 cells. FIG. 31 D depicts plasma IL12 levels in mice in response to different Shield-1 dosing regimens.

FIG. 32 denotes the frequency of IFNgamma positive T cells.

FIG. 33 A - FIG. 33 D depict analysis of human T cell responses in vitro and in vivo. FIG. 33 A depicts IFN gamma production in T cells. FIG. 33 B depicts T cell expansion with IL15/IL15Ra treatment. FIG. 33 C is a dot plot depicting percentage human cells after in vivo cell transfer. FIG. 33 D is a scatter plot depicting CD4+/CD8+ T cells.

FIG. 34 A - FIG. 34 B show CAR expression and functionality in T cells. FIG. 34 A depicts T cell subpopulations expressing CD19 CAR. FIG. 34 B depicts cell death caused by CD19 CAR expressing T cells.

FIG. 35 A - FIG. 35 C shows expression analyses of IL15-IL15Ra in T cells. FIG. 35 A is a bar graph depicting IL15Ra positive cells with 24 hour TMP treatment. FIG. 35 B is a bar graph depicting IL15Ra positive cells with 48 hour TMP treatment. FIG. 35 C is a bar graph depicting IL15Ra positive cells in response to varying concentrations of TMP.

FIG. 36 A - FIG. 36 D show analyses of the effect of IL15-IL15Ra on T cell persistence and T cell memory phenotype. FIG. 36 A represents percentage of human T cells in blood with respect to mouse T cells. FIG. 36 B represents the number of T cells in blood. FIG. 36 C represents ratio of CD4 to CD8 cells in the blood. FIG. 36 D represents the percentage of IL15Ra positive CD4 and CD8 T cells in the blood.

FIG. 37 A - FIG. 37 D show effect of cytokines on T cell expansion and activation. FIG. 37 A depicts the expansion of T cells in response to cytokine treatment. FIG. 37 B - FIG. 37 D depict the frequency of IFN gamma positive cells with IL12 treatment.

FIG. 38 is a bar graph representing the effect of promoters on transgene expression.

FIG. 39 A - FIG. 39 C shows results of assays for ligand dependent target cell death induced by DD regulated CD19 CAR. FIG. 39 A shows the expression of CD19 in parental K562 cells and K562-CD19 cells. FIG. 39 B shows the proliferation of K562 cells cocultured with T cells expressing DD regulated CAR constructs, in the presence or absence of ligand. FIG. 39 C shows the area of target cells killed by T cells expressing DD regulated CAR constructs, in the presence of ligand.

FIG. 40 A - FIG. 40 B show effects of ligands on expression of cytokines in T cells transduced with regulated CD19 CAR constructs. FIG. 40 A shows IFNgamma concentration.

FIG. 40 B shows IL2 concentration.

FIG. 41 A - FIG. 41 C show analyses of IL12 levels in vivo for mice injected with HCT116 parental cells or cells transduced with IL12 constructs. FIG. 41 A provides the final IL12 concentration for each of the four groups tested. FIG. 41 B - FIG. 41 C show that IL12 is detectable in kidney ( FIG. 41 B ) and that IL12 is detectable in tumor ( FIG. 41 C ).

FIG. 42 A - FIG. 42 C show analyses of IL12 levels in vivo for mice injected subcutaneously with HCT116 parental cells or cells transduced with IL12 constructs and treated with vehicle or Aquashield. FIG. 42 A shows the regulation of IL12 over 24 hours. FIG. 42 B shows the regulation in the plasma and FIG. 42 C shows the detection of flexi-IL12 in the kidneys.

FIG. 43 A - FIG. 43 C show IL12 production by primary human T cells with regulated IL12 construct. FIG. 43 A shows that restimulation increased the expression of IL12. FIG. 43 B and FIG. 43 C show that ligand increased production of IL12.

›BRIEF DESCRIPTION OF THE DRAWINGS · 3 of 3

FIG. 44 A - FIG. 44 B show ligand concentration-dependent and time course of IL12 production by T cells with regulated IL12 construct. FIG. 44 A shows the concentration-dependent induction of IL12 secretion from primary human T cells. FIG. 44 B shows the time course induction of IL12 secretion from primary human T cells.

FIG. 45 A - FIG. 45 B show in vivo dose response and repeat dosing in mice with transferred T cells expressing IL12 constructs. FIG. 45 A shows the dose response of Aquashield-Induced DD-IL12 regulation in vivo. FIG. 45 B shows that plasma levels of IL12 remain high in animals transplanted with constitutive IL12 transduced T cells.

FIG. 46 A - FIG. 46 F show results of in vivo IL12 expression with T cells expressing IL12 constructs. FIG. 46 A - FIG. 46 B show the expression of IL12 in vivo over 7 days. FIG. 46 C - FIG. 46 D show the expression of IL12 in vivo over 11 days. FIG. 46 E shows the Geometric MFI (GeoMFI) of Granzyme B (GrB) after 7 days in CD8+ T cells. FIG. 46 F shows the GeoMFI of Perforin at day 7 in CD8+ T cells.

FIG. 47 A - FIG. 47 B show effects of a PGK promoter and an N-terminal FKBP in contructs expressing IL12. FIG. 47 A shows the regulation of IL12 with PGK and EF1a promoters and FKBP domains. FIG. 47 B shows the relative expression of IL12.

FIG. 48 depicts the kinetics of IL15Ra surface expression on CD4 T cells after TMP treatment.

FIG. 49 represents a western blot of IL15-IL15Ra protein in HCT116 tumors from mice treated with TMP for 17 days in xenograft assays.

FIG. 50 is a graph of the results of the MSD assay of IL15 protein levels in HEK293 cells.

FIG. 51 A - FIG. 51 B depict membrane bound IL15 expression. FIG. 51 A provides FACS plots showing the expression of membrane bound IL15 after a dose response study of TMP. FIG. 51 B is two graphs showing the dose and time of exposure of TMP in vitro influences membrane bound IL15 expression.

FIG. 52 A - FIG. 52 F show analyses of regulated membrane bound IL15 expression in vivo. FIG. 52 A - FIG. 52 C show the regulation of membrane bound IL15 using IL15 ( FIG. 52 A ), IL15Ra ( FIG. 52 B ), or IL15/IL15Ra double ++ staining ( FIG. 52 C ). FIG. 52 D shows FACS plots of the expression of IL15. FIG. 52 E is a graph of the regulation of IL15 in blood and FIG. 52 F is a graph of the plasma TMP levels.

FIG. 53 represents the regulation of membrane bound IL15 with PO or IP dosing of TMP.

FIG. 54 A - FIG. 54 C show analyses for IL15 shedding from cells expressing IL15-IL15Ra fusion constructs. FIG. 54 A is a western blot of IL15Ra protein levels in HCT116 cells. IL15 levels in the media measured by ELISA are represented in FIG. 54 B and levels measured using the MSD assay are presented in FIG. 54 C .

FIG. 55 A - FIG. 55 B show results from an in vivo tumor study with IL15-IL15Ra constructs. FIG. 55 A represents the tumor growth of HCT116 cells in xenograft assays. FIG. 55 B represents tumor growth of HCT 116 cells expressing IL15/IL15Ra fusion constructs with ligand treatment.

FIG. 56 depicts plasma IL12 levels in mice in response to different Shield-1 dosing regimens.

FIG. 57 A - FIG. 57 E depict promoter and cell type effects on expression of IL12 constructs. FIG. 57 A and FIG. 57 B depict the effect of promoter on IL12 levels. FIG. 57 C depicts the effect of ligand concentration and promoter on IL12 levels. FIG. 57 D shows the effect of promoter on IL12 levels in HCT116 cells. FIG. 57 E depicts IL12 levels in Raji cells.

FIG. 58 is a line graph depicting the effect of Shield-1 on DD-L2 levels.

FIG. 59 A - FIG. 59 B show DD regulated luciferase expression and activity. FIG. 59 A is a western blot depicting luciferase levels in DD-luciferase expressing cells. FIG. 59 B depicts luciferase activity.

FIG. 60 A - FIG. 60 B show DD regulated FOXP3 expression. FIG. 60 A and FIG. 60 B are western blots depicting DD regulated expression of FOXP3.

FIG. 61 represents Shield-1 regulation of DD-IL2 secretion from HCT116 cells in vivo.

FIG. 62 depicts the viability of T cells cultured with different ratios of CD3/CD8 beads.

FIG. 63 represents the percentage BCMA CAR positive T cells with ligand treatment.

FIG. 64 represents the proliferation of cell lines in response to cytokines.

›DETAILED DESCRIPTION OF THE INVENTION · 1 of 58

The details of one or more embodiments of the invention are set forth in the accompanying description below. Although any materials and methods similar or equivalent to those described herein can be used in the practice or testing of the present invention, the preferred materials and methods are now described. Other features, objects and advantages of the invention will be apparent from the description. In the description, the singular forms also include the plural unless the context clearly dictates otherwise. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. In the case of conflict, the present description will control.

I. Introduction

Protein Regulation

The ability to conditionally control protein levels is a powerful tool in gene and cell therapy. Techniques to control protein expression on a genetic level have been widely studied. The Cre-Lox technology provides a useful approach to activate or inactivate genes. Tissue or cell specific promoters can be used to control spatial and temporal expression of genes of interest. However, this system is limited in application due to the irreversible nature of the perturbation. The transcription of the gene of interest can be conditionally regulated using tools such as Doxycycline (Dox)-inducible system. Alternatively, the stability of mRNA can be regulated using RNA interference techniques. However, methods targeting DNA or RNA are slow acting, irreversible and have low efficiency.

Direct manipulation of activities at the protein level provides significant advantages in flexibility, reversibility and speed. Strategies which directly trigger a cell's natural degradation system have been developed. Szostak and colleagues showed that a small peptide sequence could be fused to the N-terminus of a protein of interest to modulate protein stability (Park, E-C., et al., Proc. Natl. Acad. Sci. U.S.A. 1992, 89:1249-1252). Varshavsky and coworkers isolated a temperature-sensitive peptide sequence that greatly reduced the half-life of dihydrofolate reductase (DHFR) at the non-permissive temperatures (Dohmen et al. Science 1994, 263:1273-1276). These mutants have been widely used to study protein functions in yeast (Labib et al. Science 2000, 288:1643-1646; and Kanemaki et al. Nature 2003, 423:720-724).

Subsequently, reversible systems employing a rapamycin derivative for the regulation of GSK-3β kinase fused to an unstable triple-mutant of the FRB domain (FRB*) were developed. The rapamycin derivative induces dimerization of the FRB*-GSK-3β and endogenous FKBP12 and stabilizes the FRB* fusion thus restoring the function of the fused kinase. (Stankunas et al., Mol Cell. 2003; 12:1615-1624 and Liu et al., Nature. 2007; 446:79-82).

Building on the FRB* domain system, Banaszynski, et al., developed a cell-permeable ligand system using mutants of FKBP12 protein which were engineered to be unstable in the absence of a high-affinity ligand, Shield-1. (Banaszynski et al., Cell. 2006; 126:995-1004). They termed these unstable domains, destabilizing domains (DDs).

The FKBP/shield-1 tuning system has been successfully used in several studies to control target proteins. For example, Dettwier et al., fused FKBP to tune the express of NADPH P450 oxidoreductase (POR) (Dettwier et al., PLoS One, 2014, 9(11): e113540).

The FKBP DD-shield system has been used in cell lines, transgenic mice, protozoan Entamoeba histolytica , the flatworm Caenorhabditis elegans , the medaka, and transgenic xenografts to investigate the activity of a protein of interest (Maynard-Smith et al., J Biol Chem. 2007, 282(34): 24866-24872; Liu et al., Int J Parasitol. 2014, 44(10):729-735; Cho et al., PLoS One. 2013, 8(8): e72393); Banaszynski et al. Nat Med. 2008, 14(10):1123-1127; Rodriguez and Wolfgang, Chem Biol. 2011, 19(3):391-398; and Froschauer et al., PLoS One, 2015, 10(7): e0131252), for iPSC reprogramming (Sui et al., Stem cell Reports., 2014, 2(5): 721-733).

In addition, the destabilizing domain has been used for the conditional knock down/knock out of the target gene fused with the destabilizing domain. Park et al achieved this genomic engineering by CRISPR/Cas9-mediated homologous recombination and a donor template coding for a resistance cassette and the DD-tagged TCOF1 sequence (Park et al., PLoS One. 2014, 9(4): e95101).

More recently protein switches useful as biosensors as well as new chimeric antigen receptors and other small molecule stabilization frameworks have been disclosed (An W, et al. PLoS ONE, 2015, 10(12): e0145783. doi: 10.1371/journal.pone.0145783; Nicholes, et al., Protein Engineering, Design & Selection, 2016, vol. 29 no. 2, pp. 77-85; Nath, et al., Biochemical and Biophysical Research Communications, 2016, 470: 411 e416); Stevers, et al., PNAS, 2016, vol. 119, no. 9, pp. E112-1161; Juillerat, A. et al., Sci. Rep. 2016, 6: 18950; Roybal, Cell, 2016, vol. 164, pp. 1-10; and Morsut, Cell, 2016, vol. 164, pp. 1-12).

One drawback of the FKBP/Shield-1 is that Shield-1 is a novel drug whose biodistribution is not fully characterized and it is not known to what extent Shield-1 crosses the blood-brain barrier.

Other DD ligand pairs include estrogen receptor domains which can be regulated by several estrogen receptor antagonists (Miyazaki et al., J Am Chem. Soc., 2012, 134(9): 3942-3945), and fluorescent destabilizing domain (FDD) derived from bilirubin-inducible fluorescent protein, UnaG. A FDD and its cognate ligand bilirubin (BR) can induce degradation of a protein fused to the FDD (Navarro et al., ACS Chem Biol., 2016, Jun. 6, Epub). Other known DDs and their applications in protein stability include those described in U.S. Pat. Nos. 8,173,792 and 8,530,636, the contents of which are each incorporated herein by reference in their entirety.

In an orthogonal approach, the destabilizing domains of the bacterial dihydrofolate reductase (ecDHFR) were explored. (Iwamoto et al., Chem Biol. 2010, 17(9):981-988; and Tai et al., PLoS One. 2012, 7(9): e46269). Numerous inhibitors of DHFR have been developed as drugs and one such inhibitor Trimethoprim (TMP), inhibits ecDHFR much more potently than mammalian DHFR providing specificity to the interaction. Additionally, TMP is commercially available and has desirable pharmacological properties making this protein-ligand pair ideal for development for use as a biocircuit (Iwamoto, et al., Chem Biol. (2010) September 24; 17(9): 981-988).

›DETAILED DESCRIPTION OF THE INVENTION · 2 of 58

The present invention expands upon the technology of tuning protein stability using novel destabilizing domains derived from hDHFR. The destabilization and stabilization of a protein of interest, e.g., a transgene for gene therapy, can be controlled by hDHFR mutant DDs having destabilizing or stabilizing properties and their ligands, e.g. Trimethoprim and Methotrexate specifically binding to such protein domains. The presence and/or absence of a small molecule ligand can tune the activity of a protein of interest that is genetically fused to the destabilizing domain.

Cancer immunotherapy aims' at the induction or restoration of the reactivity of the immune system towards cancer. Significant advances in immunotherapy research have led to the development of various strategies which may broadly be classified into active immunotherapy and passive immunotherapy. In general, these strategies may be utilized to directly kill cancer cells or to counter the immunosuppressive tumor microenvironment. Active immunotherapy aims at induction of an endogenous, long-lasting tumor-antigen specific immune response. The response can further be enhanced by non-specific stimulation of immune response modifiers such as cytokines. In contrast, passive immunotherapy includes approaches where immune effector molecules such as tumor-antigen specific cytotoxic T cells or antibodies are administered to the host. This approach is short lived and requires multiple applications.

Despite significant advances, the efficacy of current immunotherapy strategies is limited by associated toxicities. These are often related to the narrow therapeutic window associated with immunotherapy, which in part, emerges from the need to push therapy dose to the edge of potentially fatal toxicity to get a clinically meaningful treatment effect. Further, dose expands in vivo since adoptively transferred immune cells continue to proliferate within the patient, often unpredictably.

A major risk involved in immunotherapy is the on-target but off tumor side effects resulting from T-cell activation in response to normal tissue expression of the tumor associated antigen (TAA). Clinical trials utilizing T cells expressing T-cell receptor against specific TAA reported skin rash, colitis and hearing loss in response to immunotherapy.

Immunotherapy may also produce on target, on-tumor toxicities that emerge when tumor cells are killed in response to the immunotherapy. The adverse effects include tumor lysis syndrome, cytokine release syndrome and the related macrophage activation syndrome. Importantly, these adverse effects may occur during the destruction of tumors, and thus even a successful on-tumor immunotherapy might result in toxicity. Approaches to regulatably control immunotherapy are thus highly desirable since they have the potential to reduce toxicity and maximize efficacy.

The present invention provides systems, compositions, immunotherapeutic agents and methods for cancer immunotherapy. These compositions provide tunable regulation of gene expression and function in immunotherapy. The present invention also provides biocircuit systems, effector modules, stimulus response elements (SREs) and payloads, as well as polynucleotides encoding any of the foregoing. In one aspect, the systems, compositions, immunotherapeutic agents and other components of the invention can be controlled by a separately added stimulus, which provides a significant flexibility to regulate cancer immunotherapy. Further, the systems, compositions and the methods of the present invention may also be combined with therapeutic agents such as chemotherapeutic agents, small molecules, gene therapy, and antibodies.

The tunable nature of the systems and compositions of the invention has the potential to improve the potency and duration of the efficacy of immunotherapies. Reversibly silencing the biological activity of adoptively transferred cells using compositions of the present invention allows maximizing the potential of cell therapy without irretrievably killing and terminating the therapy.

The present invention provides methods for fine tuning of immunotherapy after administration to patients. This in turn improves the safety and efficacy of immunotherapy and increases the subject population that may benefit from immunotherapy.

II. Compositions of the Invention

According to the present invention, biocircuit systems are provided which comprise, at their core, at least one effector module system. Such effector module systems comprise at least one effector module having associated, or integral therewith, one or more stimulus response elements (SREs). The overall architecture of a biocircuit system of the invention is illustrated in FIG. 1 . In general, a stimulus response element (SRE) may be operably linked to a payload construct which could be any protein of interest (POI) (e.g., an immunotherapeutic agent), to form an effector module. The SRE, when activated by a particular stimulus, e.g., a small molecule, can produce a signal or outcome, to regulate transcription and/or protein levels of the linked payload either up or down by perpetuating a stabilizing signal or destabilizing signal, or any other types of regulation. A much-detailed description of a biocircuit system can be found in U.S. Provisional Patent Application No. 62/320,864 filed Apr. 11, 2016 or in U.S. Provisional Application No. 62/466,596 filed Mar. 3, 2017 and the International Publication WO2017/180587 (the contents of each of which are herein incorporated by reference in their entirety). In accordance with the present invention, biocircuit systems, effector modules, SREs and components that tune expression levels and activities of any agents used for immunotherapy are provided.

According to the present invention, biocircuit systems are provided which comprise, at their core, at least one effector module system. Such effector module systems comprise at least one effector module having associated, or integral therewith, one or more stimulus response elements (SREs). The overall architecture of a biocircuit system of the invention is illustrated in FIG. 1 . In general, a stimulus response element (SRE) may be operably linked to a payload construct which could be any protein of interest (POI) (e.g., an immunotherapeutic agent), to form an effector module. The SRE, when activated by a particular stimulus, e.g., a small molecule, can produce a signal or outcome, to regulate transcription and/or protein levels of the linked payload either up or down by perpetuating a stabilizing signal or destabilizing signal, or any other types of regulation. A much-detailed description of a biocircuit system are taught in co-owned U.S. Provisional Patent Application No. 62/320,864 filed Apr. 11, 2016, 62/466,596 filed Mar. 3, 2017 and the International Publication WO2017/180587 (the contents each of which are herein incorporated by reference in their entirety). In accordance with the present invention, biocircuit systems, effector modules, SREs and components that tune expression levels and activities of any agents used for immunotherapy are provided.

›DETAILED DESCRIPTION OF THE INVENTION · 3 of 58

As used herein, a “biocircuit” or “biocircuit system” is defined as a circuit within or useful in biologic systems comprising a stimulus and at least one effector module responsive to a stimulus, where the response to the stimulus produces at least one signal or outcome within, between, as an indicator of, or on a biologic system. Biologic systems are generally understood to be any cell, tissue, organ, organ system or organism, whether animal, plant, fungi, bacterial, or viral. It is also understood that biocircuits may be artificial circuits which employ the stimuli or effector modules taught by the present invention and effect signals or outcomes in acellular environments such as with diagnostic, reporter systems, devices, assays or kits. The artificial circuits may be associated with one or more electronic, magnetic, or radioactive components or parts.

In accordance with the present invention, a biocircuit system may be a destabilizing domain (DD) biocircuit system, a dimerization biocircuit system, a receptor biocircuit system, and a cell biocircuit system. Any of these systems may act as a signal to any other of these biocircuit systems.

Effector Modules and SREs for Immunotherapy

In accordance with the present invention, biocircuit systems, effector modules, SREs, and components that tune expression levels and activities of any agents used for immunotherapy are provided. As non-limiting examples, an immunotherapeutic agent may be an antibody and fragments and variants thereof, a cancer specific T cell receptor (TCR) and variants thereof, an anti-tumor specific chimeric antigen receptor (CAR), a chimeric switch receptor, an inhibitor of a co-inhibitory receptor or ligand, an agonist of a co-stimulatory receptor and ligand, a cytokine, chemokine, a cytokine receptor, a chemokine receptor, a soluble growth factor, a metabolic factor, a suicide gene, a homing receptor, or any agent that induces an immune response in a cell and a subject.

As stated, the biocircuits of the invention include at least one effector module as a component of an effector module system. As used herein, an “effector module” is a single or multi-component construct or complex comprising at least (a) one or more stimulus response elements (i.e. proteins of interest (POIs). As used herein a “stimulus response element (SRE)” is a component of an effector module which is joined, attached, linked to or associated with one or more payloads of the effector module and in some instances, is responsible for the responsive nature of the effector module to one or more stimuli. As used herein, the “responsive” nature of an SRE to a stimulus may be characterized by a covalent or non-covalent interaction, a direct or indirect association or a structural or chemical reaction to the stimulus. Further, the response of any SRE to a stimulus may be a matter of degree or kind. The response may be a partial response. The response may be a reversible response. The response may ultimately lead to a regulated signal or output. Such output signal may be of a relative nature to the stimulus, e.g., producing a modulatory effect of between 1% and 100% or a factored increase or decrease such as 2-fold, 3-fold, 4-fold, 5-fold, 10-fold or more.

In some embodiments, the present invention provides methods for modulating protein expression, function or level. In some aspects, the modulation of protein expression, function or level refers to modulation of expression, function or level by at least about 20%, such as by at least about 30%, 40%, 50%, 60%, 70%, 80%, 85%, 90%, 95% and 100%, or at least 20-30%, 20-40%, 20-50%, 20-60%, 20-70%, 20-80%, 20-90%, 20-95%, 20-100%, 30-40%, 30-50%, 30-60%, 30-70%, 30-80%, 30-90%, 30-95%, 30-100%, 40-50%, 40-60%, 40-70%, 40-80%, 40-90%, 40-95%, 40-100%, 50-60%, 50-70%, 50-80%, 50-90%, 50-95%, 50-100%, 60-70%, 60-80%, 60-90%, 60-95%, 60-100%, 70-80%, 70-90%, 70-95%, 70-100%, 80-90%, 80-95%, 80-100%, 90-95%, 90-100% or 95-100%.

In some embodiments, the present invention provides methods for modulating protein, expression, function or level by measuring the stabilization ratio and destabilization ratio. As used herein, the stabilization ratio may be defined as the ratio of expression, function or level of a protein of interest in response to the stimulus to the expression, function or level of the protein of interest in the absence of the stimulus specific to the SRE. In some aspects, the stabilization ratio is at least 1, such as by at least 1-10, 1-20, 1-30, 1-40, 1-50, 1-60, 1-70, 1-80, 1-90, 1-100, 20-30, 20-40, 20-50, 20-60, 20-70, 20-80, 20-90, 20-95, 20-100, 30-40, 30-50, 30-60, 30-70, 30-80, 30-90, 30-95, 30-100, 40-50, 40-60, 40-70, 40-80, 40-90, 40-95, 40-100, 50-60, 50-70, 50-80, 50-90, 50-95, 50-100, 60-70, 60-80, 60-90, 60-95, 60-100, 70-80, 70-90, 70-95, 70-100, 80-90, 80-95, 80-100, 90-95, 90-100 or 95-100. As used herein, the destabilization ratio may be defined as the ratio of expression, function or level of a protein of interest in the absence of the stimulus specific to the effector module to the expression, function or level of the protein of interest, that is expressed constitutively and in the absence of the stimulus specific to the SRE. As used herein “constitutively” refers to the expression, function or level of a protein of interest that is not linked to an SRE, and is therefore expressed both in the presence and absence of the stimulus. In some aspects, the destabilization ratio is at least 0, such as by at least 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, or at least, 0-0.1, 0-0.2, 0-0.3, 0-0.4, 0-0.5, 0-0.6, 0-0.7, 0-0.8, 0-0.9, 0.1-0.2, 0.1-0.3, 0.1-0.4, 0.1-0.5, 0.1-0.6, 0.1-0.7, 0.1-0.8, 0.1-0.9, 0.2-0.3, 0.2-0.4, 0.2-0.5, 0.2-0.6, 0.2-0.7, 0.2-0.8, 0.2-0.9, 0.3-0.4, 0.3-0.5, 0.3-0.6, 0.3-0.7, 0.3-0.8, 0.3-0.9, 0.4-0.5, 0.4-0.6, 0.4-0.7, 0.4-0.8, 0.4-0.9, 0.5-0.6, 0.5-0.7, 0.5-0.8, 0.5-0.9, 0.6-0.7, 0.6-0.8, 0.6-0.9, 0.7-0.8, 0.7-0.9 or 0.8-0.9.

In some embodiments, the stimulus of the present invention maybe ultrasound stimulation. In some embodiments, the SREs of the present invention may derived from mechanosensitive proteins. In one embodiment, the SRE of the present invention may be the mechanically sensitive ion channel, Piezo1.

›DETAILED DESCRIPTION OF THE INVENTION · 4 of 58

Expression of the payload of interest in such instances is tuned by providing focused ultrasound stimulation. In other embodiments, the SREs of the present invention may be derived from calcium biosensors, and the stimulus of the present invention may calcium. The calcium may be generated by the ultrasound induced mechanical stimulation of mechanosensitive ion channels. The ultrasound activation of the ion channel causes a calcium influx thereby generating the stimulus. In one embodiment, the mechanosensitive ion channel is Piezo 1. Mechanosensors may be advantageous to use since they provide spatial control to a specific location in the body.

The SRE of the effector module may be selected from, but is not limited to, a peptide, peptide complex, peptide-protein complex, protein, fusion protein, protein complex, protein-protein complex. The SRE may comprise one or more regions derived from any natural or mutated protein, or antibody. In this aspect, the SRE is an element, when responding to a stimulus, can tune intracellular localization, intramolecular activation, and/or degradation of payloads.

In some embodiments, effector modules of the present invention may comprise additional features that facilitate the expression and regulation of the effector module, such as one or more signal sequences (SSs), one or more cleavage and/or processing sites, one or more targeting and/or penetrating peptides, one or more tags, and/or one or more linkers. Additionally, effector modules of the present invention may further comprise other regulatory moieties such as inducible promoters, enhancer sequences, microRNA sites, and/or microRNA targeting sites. Each aspect or tuned modality may bring to the effector module or biocircuit a differentially tuned feature. For example, an SRE may represent a destabilizing domain, while mutations in the protein payload may alter its cleavage sites or dimerization properties or half-life and the inclusion of one or more microRNA or microRNA binding site may impart cellular detargeting or trafficking features. Consequently, the present invention embraces biocircuits which are multifactorial in their tenability. Such biocircuits may be engineered to contain one, two, three, four or more tuned features.

In some embodiments, effector modules of the present invention may include one or more degrons to tune expression. As used herein, a “degron” refers to a minimal sequence within a protein that is sufficient for the recognition and the degradation by the proteolytic system. An important property of degrons is that they are transferrable, that is, appending a degron to a sequence confers degradation upon the sequence. In some embodiments, the degron may be appended to the destabilizing domains, the payload or both. Incorporation of the degron within the effector module of the invention, confers additional protein instability to the effector module and may be used to minimize basal expression. In some embodiments, the degron may be an N-degron, a phospho degron, a heat inducible degron, a photosensitive degron, an oxygen dependent degron. As a non-limiting example, the degron may be an Ornithine decarboxylase degron as described by Takeuchi et al. (Takeuchi J et al. (2008). Biochem J. 2008 Mar. 1; 410(2):401-7; the contents of which are incorporated by reference in their entirety). Other examples of degrons useful in the present invention include degrons described in International patent publication Nos. WO2017004022, WO2016210343, and WO2011062962; the contents of each of which are incorporated by reference in their entirety.

A variety of strategies that can directly control protein, e.g., a transgene, expression and function are available. The present invention provides novel protein domains displaying small molecule dependent stability. Such protein domains are called destabilizing domains (DDs). In the absence of its binding ligand, the DD causes degradation of a payload such as a protein of interest (POI) that is operably linked to the DD, while in the presence of its binding ligand, the fused DD and payload can be stabilized and its stability is dose dependent.

According to the present invention, novel destabilizing domains derived from human DHFR (Dihydrofolate reductase) protein are provided, including single mutation: hDHFR (Y122I), hDHFR (K81R), hDHFR (F59S), hDHFR (I17V), hDHFR (N65D), hDHFR (A107V), hDHFR (N127Y), hDHFR (K185E), hDHFR (N186D), and hDHFR (M140I); double mutations: hDHFR (M53T, R138I), hDHFR (V75F, Y122I), hDHFR (A125F, Y122I), hDHFR (L74N, Y122I), hDHFR (L94A, T147A), hDHFR (G21T, Y122I), hDHFR (V121A, Y122I), hDHFR (Q36K, Y122I), hDHFR (C7R, Y163C), hDHFR (Y178H, E181G), hDHFR (A10V, H88Y), hDHFR (T137R, F143L), hDHFR (E162G, I176F), hDHFR (T57A, I72A), hDHFR (H131R, E144G), and hDHFR (Y183H, K185E); and triple mutations: hDHFR (Q36F, N65F, Y122I), hDHFR (G21E, I72V, I176T), hDHFR (I8V, K133E, Y163C), hDHFR (V9A, S93R, P150L), hDHFR (K19E, F89L, E181G), hDHFR (G54R, M140V, S168C), hDHFR (L23S, V121A, Y157C), hDHFR (V110A, V136M, K177R), and hDHFR (N49D, F59S, D153G). These hDHFR DDs can bind to MTX and/or TMP and be stabilized in a dose dependent matter.

›DETAILED DESCRIPTION OF THE INVENTION · 5 of 58

In one aspect of the present invention, the biocircuit system is a DD biocircuit system.

As used herein, an “effector module” is a single or multi-component construct or complex comprising at least (a) one or more stimulus response elements (SREs) and (b) one or more payloads (i.e. proteins of interest (POIs). In the context of the present invention, the SRE is a DD.

As used herein a “payload” or “target payload” is defined as any protein or nucleic acid whose function is to be altered. Payloads may include any coding or non-coding gene or any protein or fragment thereof, or fusion constructs, or antibodies.

Payloads are often associated with one or more SREs (e.g., DDs) and may be encoded alone or in combination with one or more DD in a polynucleotide of the invention. Payloads themselves may be altered (at the protein or nucleic acid level) thereby providing for an added layer of tenability of the effector module. For example, payloads may be engineered or designed to contain mutations, single or multiple, which affect the stability of the payload or its susceptibility to degradation, cleavage or trafficking. The combination of a DD which can have a spectrum of responses to a stimulus with a payload which is altered to exhibit a variety of responses or gradations of output signals, e.g., expression levels, produce biocircuits which are superior to those in the art. For example, mutations or substitutional designs such as those created for IL12 in WO2016048903 (specifically in Example 1 therein), the contents of which are incorporated herein by reference in their entirety, may be used in any protein payload in conjunction with a DD of the present invention to create dual tunable biocircuits. The ability to independently tune both the DD and the payload greatly increases the scope of uses of the effector modules of the present invention.

Effector modules may be designed to include one or more payloads, one or more DDs, one or more cleavage sites, one or more signal sequences, one or more tags, one or more targeting peptides, and one or more additional features including the presence or absence of one or more linkers. Representative effector module embodiments of the invention are illustrated in FIG. 2 - FIG. 6 . In some aspects, the DD can be positioned at the N-terminal end, or the C-terminal end, or internal of the effector module construct. Different components of an effector module such as DDs, payloads and additional features are organized linearly in one construct, or are separately constructed in separate constructs.

Additionally, effector modules of the present invention may further comprise other regulatory moieties such as inducible promoters, enhancer sequences, microRNA sites, and/or microRNA targeting sites that provide flexibility on controlling the activity of the payload. The payloads of the present invention may be any natural proteins and their variants, or fusion polypeptides, antibodies and variants thereof, transgenes and therapeutic agents.

The stimulus of the biocircuit system may be, but is not limited to, a ligand, a small molecule, an environmental signal (e.g., pH, temperature, light and subcellular location), a peptide or a metabolite. In one aspect of the present invention, the stimulus is a DHFR DD binding ligand including methotrexate (MTX) and trimethoprim (TMP).

Polypeptides of DDs, biocircuit systems and effector modules comprising such DDs and payload constructs, other components, polynucleotides encoding these polypeptides and variants thereof, vectors comprising these polynucleotides, are provided in the present invention. The vector may be a plasmid or a viral vector including but not limited to a lentiviral vector, a retroviral vector, a recombinant AAV vector and oncolytic viral vector.

According to the present invention, biocircuit systems and effector modules of the invention can be used to regulate the expression and activity of a payload in response to the presence or absence of a ligand that specifically binds to the DD integrated within the biocircuit system and effector module.

In some aspects, DDs, effector modules and biocircuit systems of the invention may be used to regulate the expression, function and activity of a payload in a cell or a subject. The regulation refers to a lever of change of its expression, function and activity, by at least about 10%, or at least about 20%, or at least about 30%, or at least about 40%, or at least about 50%, or at least about 60%, or at least about 70%, or at least about 80%, or at least about 85%, or at least about 90%, or at least about 95%, or at least about 100%, or at least 20-30%, 20-40%, 20-50%, 20-60%, 20-70%, 20-80%, 20-90%, 20-95%, 20-100%, 30-40%, 30-50%, 30-60%, 30-70%, 30-80%, 30-90%, 30-95%, 30-100%, 40-50%, 40-60%, 40-70%, 40-80%, 40-90%, 40-95%, 40-100%, 50-60%, 50-70%, 50-80%, 50-90%, 50-95%, 50-100%, 60-70%, 60-80%, 60-90%, 60-95%, 60-100%, 70-80%, 70-90%, 70-95%, 70-100%, 80-90%, 80-95%, 80-100%, 90-95%, 90-100% or 95-100%.

In some embodiments, the present invention provides methods for modulating protein, expression, function or level by measuring the stabilization ratio, destabilization ratio, and destabilizing mutation co-efficient. As used herein, the stabilization ratio may be defined as the ratio of expression, function or level of a protein of interest in response to the stimulus to the expression, function or level of the protein of interest in the absence of the stimulus specific to the SRE. In some aspects, the stabilization ratio is at least 1, such as by at least 1-10, 1-20, 1-30, 1-40, 1-50, 1-60, 1-70, 1-80, 1-90, 1-100, 20-30, 20-40, 20-50, 20-60, 20-70, 20-80, 20-90, 20-95, 20-100, 30-40, 30-50, 30-60, 30-70, 30-80, 30-90, 30-95, 30-100, 40-50, 40-60, 40-70, 40-80, 40-90, 40-95, 40-100, 50-60, 50-70, 50-80, 50-90, 50-95, 50-100, 60-70, 60-80, 60-90, 60-95, 60-100, 70-80, 70-90, 70-95, 70-100, 80-90, 80-95, 80-100, 90-95, 90-100 or 95-100. As used herein, the destabilization ratio may be defined as the ratio of expression, function or level of a protein of interest in the absence of the stimulus specific to the effector module to the expression, function or level of the protein of interest, that is expressed constitutively and in the absence of the stimulus specific to the SRE. As used herein “constitutively” refers to the expression, function or level a protein of interest that is not linked to an SRE or is linked to the wildtype protein from which the SRE is derived, and is therefore expressed both in the presence and absence of the stimulus. As used herein, the destabilizing mutation co-efficient may be defined as the ratio of expression or level of a protein of interest that is appended to a DD, in the absence of the stimulus specific to the effector module to the expression, function or level of the protein that is appended to the wild type protein from which the DD is derived. In some aspects, the destabilization ratio and the destabilizing mutation co-efficient is at least 0, such as by at least 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, or at least, 0-0.1, 0-0.2, 0-0.3, 0-0.4, 0-0.5, 0-0.6, 0-0.7, 0-0.8, 0-0.9, 0.1-0.2, 0.1-0.3, 0.1-0.4, 0.1-0.5, 0.1-0.6, 0.1-0.7, 0.1-0.8, 0.1-0.9, 0.2-0.3, 0.2-0.4, 0.2-0.5, 0.2-0.6, 0.2-0.7, 0.2-0.8, 0.2-0.9, 0.3-0.4, 0.3-0.5, 0.3-0.6, 0.3-0.7, 0.3-0.8, 0.3-0.9, 0.4-0.5, 0.4-0.6, 0.4-0.7, 0.4-0.8, 0.4-0.9, 0.5-0.6, 0.5-0.7, 0.5-0.8, 0.5-0.9, 0.6-0.7, 0.6-0.8, 0.6-0.9, 0.7-0.8, 0.7-0.9 or 0.8-0.9.

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The position of the payload with respect to the DD, within the SRE may be varied to achieve optimal DD regulation. In some embodiments, the payload may be fused to the N terminus of the DD. In another embodiment, the payload may be fused to the C terminus of the DDs. An optional start codon nucleotide sequence encoding for methionine may be added to the DD and/or payload. In some embodiments, effector modules of the present invention may include one or more degrons to tune expression. As used herein, a “degron” refers to a minimal sequence within a protein that is sufficient for the recognition and the degradation by the proteolytic system. An important property of degrons is that they are transferrable, that is, appending a degron to a sequence confers degradation upon the sequence. In some embodiments, the degron may be appended to the destabilizing domains, the payload or both. Incorporation of the degron within the effector module of the invention, confers additional protein instability to the effector module and may be used to minimize basal expression. In some embodiments, the degron may be an N-degron, a phospho degron, a heat inducible degron, a photosensitive degron, an oxygen dependent degron. As a non-limiting example, the degron may be an Ornithine decarboxylase degron as described by Takeuchi et al. (Takeuchi J et al. (2008). Biochem J. 2008 Mar. 1; 410(2):401-7; the contents of which are incorporated by reference in their entirety). Other examples of degrons useful in the present invention include degrons described in International patent publication Nos. WO2017004022, WO2016210343, and WO2011062962; the contents of each of which are incorporated by reference in their entirety.

In some embodiments, more than one biocircuit system may be used in combination to control various protein functions in the same cell or organism, each of which uses different DD and ligand pair and can be regulated separately.

As shown in FIG. 2 , representative effector module embodiments comprising one payload, i.e. one immunotherapeutic agent are illustrated. Each components of the effector module may be located or positioned in various arrangements without (A to F) or with (G to Z, and AA to DD) a cleavage site. An optional linker may be inserted between each component of the effector module.

FIG. 3 - FIG. 6 illustrate representative effector module embodiments comprising two payloads, i.e. two immunotherapeutic agents. In some aspects, more than two immunotherapeutic agents (payloads) may be included in the effector module under the regulation of the same SRE (e.g., the same DD). The two or more agents may be either directly linked to each other or separated ( FIG. 3 ). The SRE may be positioned at the N-terminus of the construct, or the C-terminus of the construct, or in the internal location.

In some aspects, the two or more immunotherapeutic agents may be as represented in given in FIG. 7 - FIG. 12 .

In some aspects, the two or more immunotherapeutic agents may be the same type. Biocircuits and components utilizing such effector molecules are given in FIG. 7 - FIG. 12 .

In some aspects, the two or more immunotherapeutic agents may be the same type such as two antibodies, or different types such as a CAR construct and a cytokine IL12. Biocircuits and components utilizing such effector molecules are given in FIG. 7 - FIG. 12 .

In some embodiments, biocircuits of the invention may be modified to reduce their immunogenicity. Immunogenicity is the result of a complex series of responses to a substance that is perceived as foreign and may include the production of neutralizing and non-neutralizing antibodies, formation of immune complexes, complement activation, mast cell activation, inflammation, hypersensitivity responses, and anaphylaxis. Several factors can contribute to protein immunogenicity, including, but not limited to protein sequence, route and frequency of administration and patient population. In a preferred embodiment, protein engineering may be used to reduce the immunogenicity of the compositions of the invention. In some embodiments, modifications to reduce immunogenicity may include modifications that reduce binding of the processed peptides derived from the parent sequence to MHC proteins. For example, amino acid modifications may be engineered such that there are no or a minimal of number of immune epitopes that are predicted to bind with high affinity, to any prevalent MHC alleles. Several methods of identifying MHC binding epitopes of known protein sequences are known in the art and may be used to score epitopes in the compositions of the present invention. Such methods are disclosed in US Patent Publication No. US 20020119492, US20040230380, and US 20060148009; the contents of each of which are incorporated by reference in their entirety.

In some embodiments, biocircuits of the invention may be modified to reduce their immunogenicity. Immunogenicity is the result of a complex series of responses to a substance that is perceived as foreign and may include the production of neutralizing and non-neutralizing antibodies, formation of immune complexes, complement activation, mast cell activation, inflammation, hypersensitivity responses, and anaphylaxis. Several factors can contribute to protein immunogenicity, including, but not limited to protein sequence, route and frequency of administration and patient population. In a preferred embodiment, compositions of the invention may be engineered to reduce the immunogenicity of the compositions of the invention. In some embodiments, modifications to reduce immunogenicity may include modifications that reduce binding of the processed peptides derived from the parent sequence to major histocompatibility complex (MHC) proteins. For example, amino acid modifications may be engineered such that the minimum number of immune epitopes are available to bind with high affinity to any prevalent MHC alleles. Several methods of identifying MHC binding epitopes of known protein sequences are known in the art and may be useful in the present invention. Such methods are disclosed in US Patent Publication No. US 20020119492, US20040230380, and US 20060148009; the contents of each of which are incorporated by reference in their entirety.

›DETAILED DESCRIPTION OF THE INVENTION · 7 of 58

Epitope identification and subsequent sequence modification may be applied to reduce immunogenicity. The identification of immunogenic epitopes may be achieved either physically or computationally. Physical methods of epitope identification may include, for example, mass spectrometry and tissue culture/cellular techniques. Computational approaches that utilize information obtained on antigen processing, loading and display, structural and/or proteomic data toward identifying non-self-peptides that may result from antigen processing, and that are likely to have good binding characteristics in the groove of the MHC may also be utilized. One or more mutations may be introduced into the biocircuits of the invention directing the expression of the protein, to maintain its functionality while simultaneously rendering the identified epitope less or non-immunogenic.

In some embodiments, the endoplasmic reticulum associated degradation (ERAD) pathway may be used to optimize degradation of the payloads described herein e.g. secreted and membrane cargos. In one embodiment, the effector modules of the invention may directed to the ER E3 ligases by using adaptor proteins or protein domains. The endoplasmic reticulum is endowed with a specialized machinery to ensure proteins deployed to the distal secretory pathway are correctly folded and assembled into native oligomeric complexes. Proteins failing to meet this conformational standard are degraded by the ERAD pathway, a process through which folding defective proteins are selected and ultimately degraded by the ubiquitin proteasome system. ERAD proceeds through four main steps involving substrate selection, dislocation across the ER membrane, covalent conjugation with polyubiquitin, and proteasome degradation. Any of these steps may be modulated to optimize the degradation of the payloads and the effector modules described herein. Protein adaptors within the ER membrane, link substrate recognition to the ERAD machinery (herein referred to as the “dislocon”), which causes the dislocation of the proteins from the ER. Non-limiting examples of protein adaptors that may be used to optimize ERAD pathway degradation include, but are not limited to SEL1L (an adaptor that links glycan recognition to the dislocon), Erlins (intermembrane substrate adaptors), Insigs (client specific adaptors), F-Box proteins (act as adaptors for dislocated glycoproteins in the cytoplasm) and viral-encoded adaptors.

In some embodiments, protein modifications engineered into the structure of the compositions of the invention to interfere with antigen processing and peptide loading such as glycosylation and PEGylation, may also be useful in the present invention. Compositions of the invention may also be engineered to include non-classical amino acid sidechains to design less immunogenic compositions. Any of the methods discussed in International Patent Publication No. WO2005051975 for reducing immunogenicity may be useful in the present invention (the contents of which are incorporated by reference in their entirety).

In one embodiment, patients may also be stratified according to the immunogenic peptides presented by their immune cells and may be utilized as a parameter to determine suitable patient cohorts that may therapeutically benefit for the compositions of the invention.

In some embodiments, reduced immunogenicity may be achieved by limiting immunoproteasome processing. The proteasome is an important cellular protease that is found in two forms: the constitutive proteasome, which is expressed in all cell types and which contains active e.g. catalytic subunits and the immunoproteasome that is expressed in cell of the hematopoietic lineage, and which contains different active subunits termed low molecular weight proteins (LMP) namely LMP-2, LMP-7 and LMP-10. Immunoproteasomes exhibit altered peptidase activities and cleavage site preferences that result in more efficient liberation of many MHC class I epitopes. A well described function of the immunoproteasome is to generate peptides with hydrophobic C terminus that can be processed to fit in the groove of MHC class I molecules. Deol P et al. have shown that immunoproteasomes may lead to a frequent cleavage of specific peptide bonds and thereby to a faster appearance of a certain peptide on the surface of the antigen presenting cells; and enhanced peptide quantities (Deol P et al. (2007) J Immunol 178 (12) 7557-7562; the contents of which are incorporated herein reference in its entirety). This study indicates that reduced immunoproteasome processing may be accompanied by reduced immunogenicity. In some embodiments, immunogenicity of the compositions of the invention may be reduced by modifying the sequence encoding the compositions of the invention to prevent immunoproteasome processing. Biocircuits of the present invention may also be combined with immunoproteasome-selective inhibitors to achieve the same effects. Examples of inhibitors useful in the present invention include UK-101 (B1i selective compound), IPSI-001, ONX 0914 (PR-957), and PR-924 (IPSI).

Another embodiment of the invention provides a method of detecting the presence of cancer in a mammal, comprising: (a) contacting a sample comprising one or more cells from the mammal with any of the CARs, nucleic acids, recombinant expression vectors, host cells, population of cells, or pharmaceutical compositions of the invention, thereby forming a complex, (b) and detecting the complex, wherein detection of the complex is indicative of the presence of cancer in the mammal. The sample may be obtained by any suitable method, e.g., biopsy or necropsy. A biopsy is the removal of tissue and/or cells from an individual. Such removal may be to collect tissue and/or cells from the individual in order to perform experimentation on the removed tissue and/or cells. This experimentation may also be used to determine if the individual has and/or is suffering from cancer.

With respect to an embodiment of the inventive method of detecting the presence of cancer in a mammal, the sample comprising cells of the mammal can be a sample comprising whole cells, lysates thereof, or a fraction of the whole cell lysates, e.g., a nuclear or cytoplasmic fraction, a whole protein traction, or a nucleic acid fraction. If the sample comprises whole cells, the cells can be any cells of the mammal, e.g., the cells of any organ or tissue, including tumor cells. The contacting can take place in vitro or in vivo with respect, to the mammal. Preferably, the contacting is in vitro. Also, detection of the complex can occur through any number of ways known in the art. For instance, the inventive CARs, nucleic acids, recombinant expression vectors, host cells, populations of cells, or pharmaceutical compositions described herein can be labeled with a detectable label such as, for instance, a radioisotope, a fluorophore (e.g., fluorescein isothiocyanate (FITC), phycoerythrin (PE)), an enzyme (e.g., alkaline phosphatase, horseradish peroxidase), and element particles (e.g., gold particles). Methods of testing the compositions of the invention for the ability to recognize target cells and for antigen specificity are known in the art. For instance, Clay et al, J. Immunol, 163: 507-51 3 (1999), teaches methods of measuring the release of cytokines (e.g., interferon-γ, granulocyte/monocyte colony stimulating factor (GM-CSF), tumor necrosis factor a (TNF-a) or interleukin 2 (IL2)). In addition, anti-CD276 material function can be evaluated by measurement of cellular cytotoxicity, as described in Zhao et al., J. Immunol, 1 74: 44) 5-4423 (2005).

›DETAILED DESCRIPTION OF THE INVENTION · 8 of 58

Destabilizing Domains (DDs)

As used herein, the term “destabilizing domains (DDs)” refers to protein domains that are unstable and degraded in the absence of ligand, but whose stability is rescued by binding to a high affinity cell-permeable ligand. Destabilizing domains (DDs) can be appended to a target protein of interest (POI) and can convey its destabilizing property to the protein of interest, causing protein degradation. The presence, absence or an amount of a small molecule ligand that binds to or interacts with the DD, can, upon such binding or interaction modulate the stability of the payload(s) and consequently the function of the payload. A protein domain with destabilizing property (e.g. a DD) is used in conjunction with a cell-permeable ligand to regulate any protein of interest when it is fused with the destabilizing domain. DDs render the attached protein of interest unstable in the absence of a DD-binding ligand such that the protein is rapidly degraded by the ubiquitin-proteasome system of the cell. However, when a specific small molecule ligand binds its intended DD as a ligand binding partner, the instability is reversed and protein function is restored. The conditional nature of DD stability allows a rapid and non-perturbing switch from stable protein to unstable substrate for degradation. Moreover, its dependency on the concentration of its ligand further provides tunable control of degradation rates. Depending on the degree of binding and/or interaction the altered function of the payload may vary, hence providing a “tuning” of the payload function.

Due to its reversibility, specificity and the fast and easy regulation on protein level, the post-transcriptional tuning system provides a useful system for gene regulation. Furthermore, the regulation may be dose-dependent, thereby altering the protein-turnover rate to transform a short-lived or no detectable protein into a protein that functions for a precisely controlled period of time (Iwamoto et al., Chem. Biol. 2010, 17: 981-988).

In some embodiments, the desired characteristics of the DDs may include, but are not limited to, low protein levels in the absence of a ligand of the DD (i.e. low basal stability), large dynamic range, robust and predictable dose-response behavior, and rapid kinetics of degradation. Candidate DDs that bind to a desired ligand but not endogenous molecules may be preferred.

Candidate destabilizing domain sequence identified from protein domains of known wildtype proteins (as a template) may be mutated to generate libraries of mutants based on the template candidate domain sequence. Mutagenesis strategies used to generate DD libraries may include site-directed mutagenesis e.g. by using structure guided information, or random mutagenesis e.g. using error-prone PCR, or a combination of both. In some embodiments, destabilizing domains identified using random mutagenesis may be used to identify structural properties of the candidate DDs that may be required for destabilization, which may then be used to further generate libraries of mutations using site directed mutagenesis.

In some embodiments, novel DDs may be identified by mutating one or more amino acids in the candidate destabilizing domain to an amino acid that is vicinal to the mutation site. As used herein a vicinal amino acid refers to an amino acid that is located 1, 2, 3, 4, 5 or more amino acids upstream or downstream of the mutation site in the linear sequence and/or the crystal structure of the candidate destabilizing domain. In some embodiments, the vicinal amino acid may be a conserved amino acid (with similar physicochemical properties as the amino acid at the mutation site), a semi conserved amino acid (e.g. negatively to positively charge amino acid) or a non-conserved amino acid (with different physicochemical properties than the amino acid at the mutation site).

In some embodiments, DD mutant libraries may be screened for mutations with altered, preferably higher binding affinity to the ligand, as compared to the wild type protein. DD libraries may also be screened using two or more ligands and DD mutations that are stabilized by some ligands but not others may be preferentially selected. DD mutations that bind preferentially to the ligand compared to a naturally occurring protein may also be selected. Such methods may be used to optimize ligand selection and ligand binding affinity of the DD. Additionally, such approaches can be used to minimize deleterious effects caused by off-target ligand binding.

In some embodiments, suitable DDs may be identified by screening mutant libraries using barcodes. Such methods may be used to detect, identify and quantify individual mutant clones within the heterogeneous mutant library. Each DD mutant within the library may have distinct barcode sequences (with respect to each other). In other instances, the polynucleotides can also have different barcode sequences with respect to 2, 3, 4, 5, 6, 7, 8, 9, 10 or more nucleic acid bases. Each DD mutant within the library may also comprise a plurality of barcode sequences. When used in plurality barcodes may be used such that each barcode is unique to any other barcode. Alternatively, each barcode used may not be unique, but the combination of barcodes used may create a unique sequence that can be individually tracked. The barcode sequence may be placed upstream of the SRE, downstream of the SRE, or in some instances may be placed within the SRE. DD mutants may be identified by barcodes using sequencing approaches such as Sanger sequencing, and next generation sequencing, but also by polymerase chain reaction and quantitative polymerase chain reaction. In some embodiments, polymerase chain reaction primers that amplify a different size product for each barcode may be used to identify each barcode on an agarose gel. In other instances, each barcode may have a unique quantitative polymerase chain reaction probe sequence that enables targeted amplification of each barcode.

›DETAILED DESCRIPTION OF THE INVENTION · 9 of 58

Inventors of the present invention investigated several human proteins and identified novel human DDs which can confer its instability features to the fused payload and facilitate the rapid degradation of the fusion polypeptide in the absence of its ligand but stabilize the fused payload in response to the binding to its ligand. Specifically, the new DDs are derived from human DHFR protein (hDHFR).

In some embodiments, biocircuit systems, effector modules, and compositions of the present invention relate to post-translational regulation of protein (payload) function anti-tumor immune responses of immunotherapeutic agents. In one embodiment, the SRE is a stabilizing/destabilizing domain (DD). The presence, absence or an amount of a small molecule ligand that binds to or interacts with the DD, can, upon such binding or interaction modulate the stability of the payload(s) and consequently the function of the payload. Depending on the degree of binding and/or interaction the altered function of the payload may vary, hence providing a “tuning” of the payload function.

In some embodiments, biocircuit systems, effector modules, and compositions of the present invention relate to post-translational regulation of protein (payload) function, in particular, anti-tumor immune responses of immunotherapeutic agents. In one embodiment, the SRE is a stabilizing/destabilizing domain (DD). The presence, absence or an amount of a small molecule ligand that binds to or interacts with the DD, can, upon such binding or interaction modulate the stability of the payload(s) and consequently the function of the payload. Depending on the degree of binding and/or interaction the altered function of the payload may vary, hence providing a “tuning” of the payload function.

In some embodiments, destabilizing domains described herein or known in the art may be used as SREs in the biocircuit systems of the present invention in association with any of the immunotherapeutic agents (payloads) taught herein. Destabilizing domains (DDs) are small protein domains that can be appended to a target protein of interest. DDs render the attached protein of interest unstable in the absence of a DD-binding ligand such that the protein is rapidly degraded by the ubiquitin-proteasome system of the cell (Stankunas, K., et al., Mol. Cell, 2003, 12: 1615-1624; Banaszynski, et al., Cell; 2006, 126(5): 995-1004; reviewed in Banaszynski, L. A., and Wandless, T. J. Chem. Biol.; 2006, 13:11-21 and Rakhit R et al., Chem Biol. 2014; 21(9): 1238-1252). However, when a specific small molecule ligand binds its intended DD as a ligand binding partner, the instability is reversed and protein function is restored. The conditional nature of DD stability allows a rapid and non-perturbing switch from stable protein to unstable substrate for degradation. Moreover, its dependency on the concentration of its ligand further provides tunable control of degradation rates.

In some embodiments, the desired characteristics of the DDs may include, but are not limited to, low protein levels in the absence of a ligand of the DD (i.e. low basal stability), large dynamic range, robust and predictable dose-response behavior, and rapid kinetics of degradation. DDs that bind to a desired ligand but not endogenous molecules may be preferred.

Several protein domains with destabilizing properties and their paired small molecules have been identified and used to control protein expression, including FKBP/shield-1 system (Egeler et al., J Biol. Chem. 2011, 286(36): 32328-31336; the contents of which are incorporated herein by reference in their entirety), ecDHFR and its ligand trimethoprim (TMP); estrogen receptor domains which can be regulated by several estrogen receptor antagonists (Miyazaki et al., J Am Chem. Soc., 2012, 134(9): 3942-3945; the contents of which are incorporated by reference herein in their entirety); and fluorescent destabilizing domain (FDD) derived from bilirubin-inducible fluorescent protein, UnaG and its cognate ligand bilirubin (BR) (Navarro et al., ACS Chem Biol., 2016, Jun. 6; the contents of which are incorporated herein by reference in their entirety).

Known DDs also include those described in U.S. Pat. Nos. 8,173,792 and 8,530,636, the contents of which are each incorporated herein by reference in their entirety.

In some embodiments, the DDs of the present invention may be derived from some known sequences that have been approved to be capable of post-translational regulation of proteins. For example, Xiong et al., have demonstrated that the non-catalytic N-terminal domain (54-residues) of ACS7 (1-aminocyclopropane-1-carboxylate synthase) in Arabidopsis , when fused to the β-glucuronidase (GUS) reporter, can significantly decrease the accumulation of the GUS fusion protein (Xiong et al., J. Exp. Bot., 2014, 65(15): 4397-4408). Xiong et al. further demonstrated that both exogenous 1-aminocyclopropane-1-carboxylic acid (ACC) treatment and salt can rescue the levels of accumulation of the ACS N-terminal and GUS fusion protein. The ACS N-terminus mediates the regulation of ACS7 stability through the ubiquitin-26S proteasome pathway.

Another non-limiting example is the stability control region (SCR, residues 97-118) of Tropomyosin (Tm), which controls protein stability. A destabilizing mutation L110A, and a stabilizing mutation A109L dramatically affect Tropomyosin protein dynamics (Kirwan and Hodges, J Biol. Chem., 2014, 289: 4356-4366). Such sequences can be screened for ligands that bind them and regulate their stability. The identified sequence and ligand pairs may be used as components of the present invention.

In some embodiments, the DDs of the present invention may be developed from known proteins. Regions or portions or domains of wild type proteins may be utilized as SREs/DDs in whole or in part. They may be combined or rearranged to create new peptides, proteins, regions or domains of which any may be used as SREs/DDs or the starting point for the design of further SREs and/or DDs.

›DETAILED DESCRIPTION OF THE INVENTION · 10 of 58

Ligands such as small molecules that are well known to bind candidate proteins can be tested for their regulation in protein responses. The small molecules may be clinically approved to be safe and have appropriate pharmaceutical kinetics and distribution. In some embodiments, the stimulus is a ligand of a destabilizing domain (DD), for example, a small molecule that binds a destabilizing domain and stabilizes the POI fused to the destabilizing domain. In some embodiments, ligands, DDs and SREs of the present invention, include without limitation, any of those taught in Tables 2-4 of copending commonly owned U.S. Provisional Patent Application No. 62/320,864 filed on Apr. 11, 2016, or in U.S. Provisional Application No. 62/466,596 filed Mar. 3, 2017 and the International Publication WO2017/180587, the contents of each of which are incorporated herein by reference in their entirety.

Some examples of the proteins that may be used to develop DDs and their ligands are listed in Table 1.

In some embodiments, DDs of the invention may be FKBP DD or ecDHFR DDs such as those listed in Table 2. The position of the mutated amino acid listed in Table 2 is relative to the ecDHFR (Uniprot ID: POABQ4) of SEQ ID NO. 4219 for ecDHFR DDs and relative to FKBP (Uniprot ID: P62942) of SEQ ID NO. 4220 for FKBP DDs.

In some embodiments, DDs of the invention may be FKBP DD or ecDHFR DDs such as those listed in Table 2. In some embodiments, binding ligand of FKBP DD may be Aquashield, which has considerably improved solubility in aqueous medium compared to Shield-1, but retains all the binding properties of Shield-1. The position of the mutated amino acid listed in Table 2 is relative to the ecDHFR (Uniprot ID: POABQ4) of SEQ ID NO. 4221 for ecDHFR DDs and relative to FKBP (Uniprot ID: P62942) of SEQ ID NO. 4222 for FKBP DDs.

Inventors of the present invention have tested and identified several candidate human proteins that may be used to develop destabilizing domains. As show in Table 2, these candidates include human DHFR (hDHFR), PDE5 (phosphodiesterase 5), PPAR gamma (peroxisome proliferator-activated receptor gamma), CA2 (Carbonic anhydrase II) and NQO2 (NRH: Quinone oxidoreductase 2). Candidate destabilizing domain sequence identified from protein domains of these proteins (as a template) may be mutated to generate libraries of mutants based on the template candidate domain sequence. Mutagenesis strategies used to generate DD libraries may include site-directed mutagenesis e.g. by using structure guided information; or random mutagenesis e.g. using error-prone PCR, or a combination of both. In some embodiments, destabilizing domains identified using random mutagenesis may be used to identify structural properties of the candidate DDs that may be required for destabilization, which may then be used to further generate libraries of mutations using site directed mutagenesis.

Human DHFR Mutants

In some embodiments, DDs of the invention may be derived from human dihydrofolate reductase (DHFR). DHFR is a small (18 kDa) enzyme that catalyzes the reduction of dihydrofolate and plays a vital role in variety of anabolic pathway. Dihydrofolate reductase (DHFR) is an essential enzyme that converts 7,8-dihydrofolate (DHF) to 5,6,7,8, tetrahydrofolate (THF) in the presence of nicotinamide adenine dihydrogen phosphate (NADPH). Anti-folate drugs such as methotrexate (MTX), a structural analogue of folic acid, which bind to DHFR more strongly than the natural substrate DHF, interferes with folate metabolism, mainly by inhibition of dihydrofolate reductase, resulting in the suppression of purine and pyrimidine precursor synthesis. MTX is a common cancer therapy.

Dihydrofolate reductase (DHFR) from Escherichia coli and various E. coli DHFR (ecDHFR) mutants bind to known DHFR inhibitors: Methotrexate (MTX). Upon binding to MTX, DHFR shows conformational changes and changes in thermodynamic stability (Wallace et al., J. Mol. Biol., 2002, 315:193-211) and such structural changes affect protein stability. Other inhibitors of DHFR: folate, TQD, Trimethoprim (TMP), epigallocatechin gallate (EGCG) and ECG (epicatechin gallate) can also bind to ecDHFR mutants and regulates its stability. In some embodiments, DDs of the present invention may be identified by utilizing a cocktail of DHFR inhibitors. In other instances, the suitable DDs may be identified by screening first with one DHFR inhibitor and subsequently screening with a second DHFR inhibitor.

In some embodiments, the destabilizing domains of the invention may include wildtype nucleotide sequences which may be utilized to reduce the basal expression of the compositions of the invention. Previous studies have shown that dihydrofolate reductase protein molecules can bind to their cognate mRNA and effectively repressing its translation. Alternatively, the nucleic acid sequence of the codons may be selected to alter translation rates. In some embodiments, amino acids identified as critical regulators of DHFR translation repression may be mutated to enhance translation rates. Examples of such mutations include but are not limited to I7A, R28A and F34S residues of wildtype DHFR protein, described by Tai N et al. (2002), Nucleic Acids Res. 30(20): 4481-4488; the contents of which are incorporated by reference in their entirety.

In accordance with the present invention, the structural properties of human DHFR protein were compared to those of ecDHFR and amino acid residues corresponding to known ecDHFR mutations having destabilizing properties were identified. Site directed mutagenesis of hDHFR protein was then used to generate several hDHFR mutants and their destabilization in the absence of its binding ligand was tested. Binding to DHFR ligands, MTX and TMP to human DHFR was tested and ligand dependent stabilization was characterized. Several hDHFR destabilizing mutants were discovered. The ecDHFR and hDHFR amino acid sequences and nucleotide sequences are provided in Table 3. In Table 3, the linkers are represented in bold and the restriction sites are underlined. The amino acid sequences in Table 3 may comprise a stop codon which is denoted in the table with a “*” at the end of the amino acid sequence.

›DETAILED DESCRIPTION OF THE INVENTION · 11 of 58

In some embodiments, the DHFR derived destabilizing domains may be derived from variants, and or isoforms of DHFR. The three isoforms of DHFR differ in their C and N terminal regions. Isoform 1 is the longest transcript and encodes the longest isoform and is represented by SEQ ID NO. 4231, encoded by SEQ ID NO. 4232. Isoform 2 lacks an alternate exon in the 5′ end compared to isoform 1. This difference causes translation initiation at a downstream AUG and results in an isoform with a shorter N terminus compared to isoform 1. Isoform 2 is represented by SEQ ID NO. 4233, encoded by SEQ ID NO. 4234. Isoform 3 lacks an alternate exon in the 3′ end compared to isoform 1, that causes frameshift. The resulting isoform has a shorter and distinct C terminus compared to isoform 1. Isoform 3 is represented by SEQ ID NO. 4235, encoded by SEQ ID NO. 4236.

In some embodiments, the first amino acid from the destabilizing domain may be removed or substituted when fused to the linker region or payload. As a non-limiting example, the first amino acid is methionine (M) and it is removed from the destabilizing domain.

DDs of the present invention may also be derived from DHFR variant. Masters J N et al. have described a DHFR variant (SEQ ID NO. 4237); which bears 80% identity and 48% query coverage to SEQ ID NO. 1 (Masters J N et al (1983). J Mol Biol.; 167(1):23-36; the contents of which are incorporated by reference in its entirety).

In some embodiments, the DDs of the present invention may be derived from Dihydrofolate reductase like 1 (DHFRL1) represented by SEQ ID NO. 4238, encoded by SEQ ID NO. 4239. DHFRL1 is a mitochondrial dihydrofolate reductase with similar enzymatic activity as DHFR. In some embodiments, the DDs of the invention may be derived from known variants of DHFR such as DHFRP1, DHFRP2, and DHFRP3. Such variants are described in Anagnou N P, et al. (1984) PNAS 81:5170-5174; Anagnou N P et al. (1988) Am J Hum Genet 42:345-352; Shimada T, (1984). Gene 31:1-8; Maurer B J et al. (1985) Somatic Cell Mol Genet 11:79-85; the contents of each of which are incorporated by reference in their entirety.

The amino acid sequences of the destabilizing domains encompassed in the invention have at least about 40%, 50% or 60%, 70% identity, preferably at least about 75% or 80% identity, more preferably at least about 85%, 86%, 87%, 88%, 89% or 90% identity, and further preferably at least about 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, or 99% identity to the amino acid sequences described therein. Percent identity may be determined, for example, by comparing sequence information using the advanced BLAST computer program, including version Magic-BLAST 1.2.0, available from the National Institutes of Health. The BLAST program is based on the alignment method discussed in Karl and Altschul (1990) Proc. Natl. Acad. Sci USA, 87:2264-68 (the contents of which are incorporated by reference in their entirety).

In some embodiments, novel DDs of the present invention comprise mutants of human DHFR presented in Table 4. The position of the mutated amino acids listed in Table 4 is relative to the wildtype human DHFR (Uniprot ID: P00374) of SEQ ID NO. 1. In Table 4, mutations are underlined and in bold. The amino acid sequences in Table 2 may comprise a stop codon which is denoted in the table with a “*” at the end of the amino acid sequence.

According to the present invention, several hDHFR destabilizing mutants were discovered by random mutagenesis of the wildtype human DHFR using error prone polymerase chain reaction (PCR). The destabilization of the mutants in the absence of its binding ligand was tested. Binding to DHFR ligands, MTX and TMP to human DHFR was also tested and ligand dependent stabilization was characterized. Several hDHFR destabilizing mutants were discovered. The amino acid sequences of the DDs discovered by random mutagenesis are provided in Table 5. In Table 5, mutations are underlined and in bold. The position of the mutated amino acids listed in Table 5 is relative to the wildtype human DHFR (Uniprot ID: P00374) of SEQ ID NO. 1.

Any of the mutations described in Table 4 may be combined with any of the mutations described in Table 5 to generate destabilizing domains. Exemplary combinations of mutations include, but are not limited to, hDHFR (I17V, Y122I) (SEQ ID NO. 4299 (amino acid 2-187 of WT, I17V, Y122I) (encoded by SEQ ID NO. 4300) or SEQ ID NO. 4301 (I17V, Y122I) (encoded by SEQ ID NO. 4302)), hDHFR (Y122I, M140I) (SEQ ID NO. 4303 (amino acid 2-187 of WT, Y122I, M140I) (encoded by SEQ ID NO. 4304) or SEQ ID NO. 4305 (Y122I, M140I) (encoded by SEQ ID NO. 4306)), hDHFR (N127Y, Y122I) (SEQ ID NO. 4307 (amino acid 2-187 of WT, N127Y, Y122I) (encoded by SEQ ID NO. 4308) or SEQ ID NO. 4309 (N127Y, Y122I) (encoded by SEQ ID NO. 4310)), and hDHFR (Y122I, H131R, E144G) (SEQ ID NO. 4311 (amino acid 2-187 of WT, Y122I, H131R, E144G) (encoded by SEQ ID NO. 4312) or SEQ ID NO. 4313 (Y122I, H131R, E144G) (encoded by SEQ ID NO. 4314). The position of the mutated amino acids is relative to the wildtype human DHFR (Uniprot ID: P00374) of SEQ ID NO. 1.

In some embodiments, the DDs may be derived from hDHFR by mutating one or more amino acids residues between positions 1-10, 10-20, 20-30, 30-40, 40-50, 50-60, 60-70, 70-80, 80-90, 90-100, 100-110, 110-120, 120-130, 130-140, 140-150, 150-160, 160-170, 170-180 or 180-187 of human DHFR wildtype protein (SEQ ID NO. 1). In some embodiments, the mutation may be a conserved (with similar physicochemical properties as the amino acid at the mutation site), a semi conserved (e.g. negatively to positively charge amino acid) or a non-conserved (amino acid with different physicochemical properties than the amino acid at the mutation site). Regions or portions or domains of wild type proteins may be utilized as SREs/DDs in whole or in part. They may be combined or rearranged to create new peptides, proteins, regions or domains of which any may be used as SREs/DDs or the starting point for the design of further SREs and/or DDs.

›DETAILED DESCRIPTION OF THE INVENTION · 12 of 58

In some embodiments, novel DDs derived from E. coli DHFR (ecDHFR) may comprise amino acids 2-159 of the wild type ecDHFR sequence. This may be referred to as an M1del mutation.

In some embodiments, novel DDs derived from ecDHFR may comprise amino acids 2-159 of the wild type ecDHFR sequence (also referred to as an M1del mutation), and may include one, two, three, four, five or more mutations including, but not limited to, M1del, R12Y, R12H, Y100I, and E129K.

In some embodiments, novel DDs derived from FKBP may comprise amino acids 2-107 of the wild type FKBP sequence. This may be referred to as an M1del mutation. In some embodiments, novel DDs derived from FKBP may comprise amino acids 2-107 of the wild type FBKP sequence (also referred to as an M1del mutation), and may include one, two, three, four, five or more mutations including, but not limited to, M1del, E31G, F36V, R71G, K105E, and L106P.

In some embodiments, novel DDs derived from E. coli DHFR (ecDHFR) may comprise amino acids 2-159 of the wild type ecDHFR sequence (SEQ ID NO. 4315). This may be referred to as an M1del mutation.

In some embodiments, novel DDs derived from ecDHFR may comprise amino acids 2-159 of the wild type ecDHFR sequence (SEQ ID NO. 4315) (also referred to as an M1del mutation), and may include one, two, three, four, five or more mutations including, but not limited to, M1del, R12Y, R12H, Y100I, and E129K.

In some embodiments, novel DDs derived from FKBP may comprise amino acids 2-107 of the wild type FKBP sequence (SEQ ID NO. 4316). This may be referred to as an M1del mutation.

In some embodiments, novel DDs derived from FKBP may comprise amino acids 2-107 of the wild type FBKP sequence (SEQ ID NO. 4316) (also referred to as an M1del mutation), and may include one, two, three, four, five or more mutations including, but not limited to, M1del, E31G, F36V, R71G, K105E, and L106P.

In some embodiments, suitable DDs may be identified by screening mutant libraries using barcodes. Such methods may be used to detect, identify and quantify individual mutant clones within the heterogeneous mutant library. Each DD mutant within the library may have distinct barcode sequences (with respect to each other). In other instances, the polynucleotides can also have different barcode sequences with respect to 2, 3, 4, 5, 6, 7, 8, 9, 10 or more nucleic acid bases. Each DD mutant within the library may also comprise a plurality of barcode sequences. When used in plurality may be used such that each barcode is unique to any other barcode. Alternatively, each barcode used may not be unique, but the combination of barcodes used may create a unique sequence that can be individually tracked. The barcode sequence may be placed upstream of the SRE, downstream of the SRE, or in some instances may be placed within the SRE. DD mutants may be identified by barcodes using sequencing approaches such as Sanger sequencing, and next generation sequencing, but also by polymerase chain reaction and quantitative polymerase chain reaction. In some embodiments, polymerase chain reaction primers that amplify a different size product for each barcode may be used to identify each barcode on an agarose gel. In other instances, each barcode may have a unique quantitative polymerase chain reaction probe sequence that enables targeted amplification of each barcode.

In some embodiments, DDs of the invention may be derived from human dihydrofolate reductase (hDHFR). hDHFR is a small (18 kDa) enzyme that catalyzes the reduction of dihydrofolate and plays a vital role in variety of anabolic pathway. Dihydrofolate reductase (DHFR) is an essential enzyme that converts 7,8-dihydrofolate (DHF) to 5,6,7,8, tetrahydrofolate (THF) in the presence of nicotinamide adenine dihydrogen phosphate (NADPH). Anti-folate drugs such as methotrexate (MTX), a structural analogue of folic acid, which bind to DHFR more strongly than the natural substrate DHF, interferes with folate metabolism, mainly by inhibition of dihydrofolate reductase, resulting in the suppression of purine and pyrimidine precursor synthesis. Other inhibitors of hDHFR such as folate, TQD, Trimethoprim (TMP), epigallocatechin gallate (EGCG) and ECG (epicatechin gallate) can also bind to hDHFR mutants and regulates its stability. In one aspect of the invention, the DDs of the invention may be hDHFR mutants including the single mutation hDHFR (Y122I), hDHFR (K81R), hDHFR (F59S), hDHFR (I17V), hDHFR (N65D), hDHFR (A107V), hDHFR (N127Y), hDHFR (K185E), hDHFR (N186D), and hDHFR (M140I); double mutations: hDHFR (M53T, R138I), hDHFR (V75F, Y122I), hDHFR (A125F, Y122I), hDHFR (L74N, Y122I), hDHFR (L94A, T147A), hDHFR (G21T, Y122I), hDHFR (V121A, Y122I), hDHFR (Q36K, Y122I), hDHFR (C7R, Y163C), hDHFR (Y178H, E181G), hDHFR (A10V, H88Y), hDHFR (T137R, F143L), hDHFR (E63G, I176F), hDHFR (T57A, I72A), hDHFR (H131R, E144G), and hDHFR (Y183H, K185E); and triple mutations: hDHFR (Q36F, N65F, Y122I), hDHFR (G21E, I72V, I176T), hDHFR (I8V, K133E, Y163C), hDHFR (V9A, S93R, P150L), hDHFR (K19E, F89L, E181G), hDHFR (G54R, M140V, S168C), hDHFR (L23S, V121A, Y157C), hDHFR (V110A, V136M, K177R), and hDHFR (N49D, F59S, D153G).

›DETAILED DESCRIPTION OF THE INVENTION · 13 of 58

In one aspect of the invention, the DHFR DDs of the invention may include mutations such as, but not limited to V2A, C7R, I8V, V9A, A10T, A10V, Q13R, N14S, G16S, I17N, I17V, K19E, N20D, G21T, G21E, D22S, L23S, P24S, L28P, N30D, N30H, N30S, E31G, E31D, F32M, R33G, R33S, F35L, Q36R, Q36S, Q36K, Q36F, R37G, M38V, M38T, T40A, V44A, K47R, N49S, N49D, M53T, G54R, K56E, K56R, T57A, F59S, I61T, K64R, N65A, N65S, N65D, N65F, L68S, K69E, K69R, R71G, I72T, I72A, I72V, N73G, L74N, V75F, R78G, L80P, K81R, E82G, H88Y, F89L, R92G, S93G, S93R, L94A, D96G, A97T, L98S, K99G, K99R, L100P, E102G, Q103R, P104S, E105G, A107T, A107V, N108D, K109E, K109R, V110A, D111N, M112T, M112V, V113A, W114R, I15V, V 161, G117D, V121A, Y122C, Y122D, Y122I, K123R, K123E, A125F, M126I, N127R, N127S, N127Y, H128R, H128Y, H131R, L132P, K133E, L134P, F135P, F135L, F135S, F135V, V136M, T137R, R138G, R138I, I139T, I139V, M140I, M140V, Q141R, D142G, F143S, F143L, E144G, D146G, T147A, F148S, F148L, F149L, P150L, E151G, I152V, D153A, D153G, E155G, K156R, Y157R, Y157C, K158E, K158R, L159P, L160P, E162G, Y163C, V166A, S168C, D169G, V170A, Q171R, E172G, E173G, E173A, K174R, I176A, I176F, I176T, K177E, K177R, Y178C, Y178H, F180L, E181G, V182A, Y183C, Y183H, E184R, E184G, K185R, K185del, K185E, N186S, N186D, D187G, and D187N.

In one embodiment, the stimulus is a small molecule that binds to a SRE to post-translationally regulate protein levels. In one aspect, DHFR ligands: trimethoprim (TMP) and methotrexate (MTX) are used to stabilize hDHFR mutants. The hDHFR based destabilizing domains are listed in Table 6. The position of the mutated amino acid listed in Table 6 is relative to the human DHFR (Uniprot ID: P00374) of SEQ ID NO. 4317 for human DHFR. In Table 6, “del” means that the mutation is the deletion of the amino acid at that position relative to the wild type sequence.

In one embodiment, the stimulus is a small molecule that binds to a SRE to post-translationally regulate protein levels. In one aspect, DHFR ligands: trimethoprim (TMP) and methotrexate (MTX) are used to stabilize hDHFR mutants. The hDHFR based destabilizing domains are listed in Table 6. The position of the mutated amino acid listed in Table 6 is relative to the human DHFR (Uniprot ID: P00374) of SEQ. ID NO. 712 4318 for human DHFR. In Table 6, “del” means that the mutation is the deletion of the amino acid at that position relative to the wild type sequence.

In some embodiments, novel DDs derived from human DHFR may include one, two, three, four, five or more mutations including, but not limited to, M1del, V2A, C7R, I8V, V9A, A10T, A10V, Q13R, N14S, G16S, I17N, I17V, K19E, N20D, G21T, G21E, D22S, L23S, P24S, L28P, N30D, N30H, N30S, E31G, E31D, F32M, R33G, R33S, F35L, Q36R, Q36S, Q36K, Q36F, R37G, M38V, M38T, T40A, V44A, K47R, N49S, N49D, M53T, G54R, K56E, K56R, T57A, F59S, I61T, K64R, N65A, N65S, N65D, N65F, L68S, K69E, K69R, R71G, I72T, I72A, I72V, N73G, L74N, V75F, R78G, L80P, K81R, E82G, H88Y, F89L, R92G, S93G, S93R, L94A, D96G, A97T, L98S, K99G, K99R, L100P, E102G, Q103R, P104S, E105G, A107T, A107V, N108D, K109E, K109R, V110A, D111N, M112T, M112V, V113A, W114R, I115V, I115L, V116I, G117D, V121A, Y122C, Y122D, Y122I, K123R, K123E, A125F, M126I, N127R, N127S, N127Y, H128R, H128Y, H131R, L132P, K133E, L134P, F135P, F135L, F135S, F135V, V136M, T137R, R138G, R138I, I139T, I139V, M140I, M140V, Q141R, D142G, F143S, F143L, E144G, D146G, T147A, F148S, F148L, F149L, P150L, E151G, I152V, D153A, D153G, E155G, K156R, Y157R, Y157C, K158E, K158R, L159P, L160P, E162G, Y163C, V166A, S168C, D169G, V170A, Q171R, E172G, E173G, E173A, K174R, I176A, I176F, I176T, K177E, K177R, Y178C, Y178H, F180L, E181G, V182A, Y183C, Y183H, E184R, E184G, K185R, K185del, K185E, N186S, N186D, D187G, and D187N.

In some embodiments, novel DDs derived from human DHFR may comprise amino acids 2-187 of the wild type human DHFR sequence. This may be referred to as an M1del mutation.

In some embodiments, novel DDs derived from human DHFR may comprise amino acids 2-187 of the wild type human DHFR sequence (also referred to as an M1del mutation), and may include one, two, three, four, five or more mutations including, but not limited to, M1del, V2A, C7R, I8V, V9A, A10T, A10V, Q13R, N14S, G16S, I17N, I17V, K19E, N20D, G21T, G21E, D22S, L23S, P24S, L28P, N30D, N30H, N30S, E31G, E31D, F32M, R33G, R33S, F35L, Q36R, Q36S, Q36K, Q36F, R37G, M38V, M38T, T40A, V44A, K47R, N49S, N49D, M53T, G54R, K56E, K56R, T57A, F59S, I61T, K64R, N65A, N65S, N65D, N65F, L68S, K69E, K69R, R71G, I72T, I72A, I72V, N73G, L74N, V75F, R78G, L80P, K81R, E82G, H88Y, F89L, R92G, S93G, S93R, L94A, D96G, A97T, L98S, K99G, K99R, L100P, E102G, Q103R, P104S, E105G, A107T, A107V, N108D, K109E, K109R, V110A, D111N, M112T, M112V, V113A, W114R, I115V, I115L, V116I, G117D, V121A, Y122C, Y122D, Y122I, K123R, K123E, A125F, M126I, N127R, N127S, N127Y, H128R, H128Y, H131R, L132P, K133E, L134P, F135P, F135L, F135S, F135V, V136M, T137R, R138G, R138I, I139T, I139V, M140I, M140V, Q141R, D142G, F143S, F143L, E144G, D146G, T147A, F148S, F148L, F149L, P150L, E151G, I152V, D153A, D153G, E155G, K156R, Y157R, Y157C, K158E, K158R, L159P, L160P, E162G, Y163C, V166A, S168C, D169G, V170A, Q171R, E172G, E173G, E173A, K174R, I176A, I176F, I176T, K177E, K177R, Y178C, Y178H, F180L, E181G, V182A, Y183C, Y183H, E184R, E184G, K185R, K185del, K185E, N186S, N186D, D187G, and D187N.

›DETAILED DESCRIPTION OF THE INVENTION · 14 of 58

In some embodiments, the DD mutations identified herein, may be mapped to the DHFR sequence to identify mutational hotspots. The DD characteristics may be improved by mutating the amino acids at the hotspot position to any of the known amino acids, including, but not limited to lysine, aspartic acid, glutamic acid, glutamine, asparagine, histidine, serine, threonine, tyrosine, cysteine, methionine, tryptophan, alanine, isoleucine, leucine, phenylalanine, valine, proline, and glycine. In some instances, a library of hotspot mutations may be generated by site directed mutagenesis and each of the mutants in the library is fused to a reporter protein e.g. AcGFP or luciferase via a linker. The properties of the DDs may be analyzed in the presence and absence of ligands such as TMP and MTX. In some embodiments, variant libraries may be generated by methods known in the art. In one embodiment, VariantFind™ may be used to generate variant library. The VariantFind™ platform is a series of multiplex PCRs that mutates multiple amino acid positions simultaneously. Desired mutations are directly encoded by oligonucleotides, providing high control and specificity during the mutagenesis process. These oligonucleotides are combined in a series of sequential PCRs that result in a ready-to-clone DNA library encoding all desired mutations. In one embodiment, any of the codons in the polynucleotides of the invention may be altered by saturation mutagenesis. In another embodiment, a ruleset for amino acid changes may be used to mutate select amino acids of the DDs. In one embodiment, the rule may be the mutation of all Arginine residues in the DD to alanine, lysine and/or leucine. In other embodiments, all phenyl alanine residues in the DD may be mutated to alanine, leucine and/or threonine.

The destabilization domains described herein may also include amino acid and nucleotide substitutions that do not affect stability, including conservative, non-conservative substitutions and or polymorphisms.

The PEKN (SEQ ID NO. 1260) sequence that spans from 61-65 amino acids from SEQ ID NO. 1 may be deleted or mutated to alternate amino acids. Comparison of human DHFR sequence with folate reductases of other species has revealed that the “PEKN” (SEQ ID NO. 1260) insertion found in human DHFR serves as a lid over the substrate Dihydrofolate site and is a major determinant blocking interaction of the human DHFR with DHFR inhibitors with specificity to parasitic and bacterial DHFR. Comparative analysis of the dihydrofolate reductase of Mycobacterium tuberculosis and human DHFR revealed that the hDHFR lacks a glycerol (GOL) binding site. The lack of GOL binding site prevents binding with bacterial DHFR inhibitors. In some embodiments, the amino acids equivalent to position tryptophan at position 22, leucine at position 24, aspartic acid at position 27, and glutamine at position 28 of DHFR of M. tuberculosis are inserted into the human DHFR.

In some embodiments, DD mutations that do not inhibit ligand binding may be preferentially selected. In some embodiments, ligand binding may be improved by mutation of residues in DHFR. Amino acid positions selected for mutation include aspartic acid at position 22 of SEQ ID NO. 1, glutamic acid at position 31 of SEQ ID NO. 1; phenyl alanine at position 32 of SEQ ID NO. 1; arginine at position 33 of SEQ ID NO. 1; glutamine at position 36 of SEQ ID NO. 1; asparagine at position 65 of SEQ ID NO. 1; and valine at position 115 of SEQ ID NO. 1. In some embodiments, one or more of the following mutations may be utilized in the DDs of the present invention to improve TMP binding, including but not limited to, D22S, E31D, F32M, R33S, Q36S, N65S, and V116I. Exemplary DDs that may be tested for improved ligand binding properties include but are not limited to hDHFR (D22S, F32M, R33S, Q36S, N65S) (SEQ ID NO. 4319 (amino acid 2-187 of WT, D22S, F32M, R33S, Q36S, N65S) (encoded by SEQ ID NO. 4320) or SEQ ID NO. 4321 (D22S, F32M, R33S, Q36S, N65S) (encoded by SEQ ID NO. 4322)) and hDHFR (E31D, F32M, V116I) (SEQ ID NO. 4323 (amino acid 2-187 of WT, E31D, F32M, V116I) (encoded by SEQ ID NO. 4324) or SEQ ID NO. 4325 (E31D, F32M, V116I) (encoded by SEQ ID NO. 4326)). The position of the mutated amino acids is relative to the wildtype human DHFR (Uniprot ID: P00374) of SEQ ID NO. 1.

In some embodiments, novel DDs derived from human DHFR may comprise amino acids 2-187 of the wild type human DHFR sequence. This may be referred to as an M1del mutation.

›DETAILED DESCRIPTION OF THE INVENTION · 15 of 58

Newly identified hDHFR mutants are fused to reporter proteins e.g. AcGFP (SEQ ID NO. 4327) and luciferase (SEQ ID NO. 4328, encoded by SEQ ID NO. 4329) through a linker sequence GGSGGGSGG (SEQ ID NO. 3038), GS, SG or GGSGGG (SEQ ID NO. 4330) at either the N-terminal or the C-terminal end of the fusion constructs and cloned into pLVX-IRES-puro vectors. The destabilizing and ligand dependent stabilization properties of the fusion proteins may be evaluated by methods such as western blotting, and FACS. hDHFR mutant fusion constructs are described in Table 7. The amino acid sequences in Table 7 may comprise a stop codon which is denoted in the table with a “*” at the end of the amino acid sequence. The position of the mutated amino acids listed in Table 7 is relative to the wildtype human DHFR (Uniprot ID: P00374) of SEQ ID NO. 1. In Table 7, “del” means that the mutation is the deletion of the amino acid at that position relative to the wild type sequence.

DHFR derived DDs described herein and linked to reporter gene e.g. GFP may also be cloned e.g. the protein sequence of SEQ ID NO. 4363, encoded by the nucleotide sequence of SEQ ID NO. 4364 may be cloned into a pLVX-IRES-mcherry vector to generate OT-hDHFR-038, or into a pLVX-P2A-mcherry vector to generate OT-hDHFR-039.

In one embodiment, the DHFR derived DD may be truncated and the smallest DHFR based DD may be identified. In some embodiments, DHFR DDs described herein may also be fragments of the above destabilizing domains, including fragments containing variant amino acid sequences. Preferred fragments are unstable in the absence of the stimulus and stabilized upon addition of the stimulus. Preferred fragments retain the ability to interact with the stimulus with similar efficiency as the DDs described herein.

In some embodiments, the hDHFR-derived SRE may be a hDHFR mutant comprising, but not limited to, one, two, three or more mutations selected from M1del, V2A, C7R, 18V, V9A, A10T, A10V, Q13R, N14S, G16S, I17N, I17V, K19E, N20D, G21T, G21E, D22S, L23S, P24S, L28P, N30D, N30H, N30S, E31G, E31D, F32M, R33G, R33S, F35L, Q36R, Q36S, Q36K, Q36F, R37G, M38V, M38T, T40A, V44A, K47R, N49S, N49D, M53T, G54R, K56E, K56R, T57A, F59S, I61T, K64R, N65A, N65S, N65D, N65F, L68S, K69E, K69R, R71G, I72T, I72A, I72V, N73G, L74N, V75F, R78G, L80P, K81R, E82G, H88Y, F89L, R92G, S93G, S93R, L94A, D96G, A97T, L98S, K99G, K99R, L100P, E102G, Q103R, P104S, E105G, A107T, A107V, N108D, K109E, K109R, V110A, D111N, M112T, M112V, V113A, W114R, I115V, I115L, V116I, G117D, V121A, Y122C, Y122D, Y122I, K123R, K123E, A125F, M126I, N127R, N127S, N127Y, H128R, H128Y, H131R, L132P, K133E, L134P, F135P, F135L, F135S, F135V, V136M, T137R, R138G, R138I, I139T, I139V, M140I, M140V, Q141R, D142G, F143S, F143L, E144G, D146G, T147A, F148S, F148L, F149L, P150L, E151G, I152V, D153A, D153G, E155G, K156R, Y157R, Y157C, K158E, K158R, L159P, L160P, E162G, Y163C, V166A, S168C, D169G, V170A, Q171R, E172G, E173G, E173A, K174R, I176A, I176F, I176T, K177E, K177R, Y178C, Y178H, F180L, E181G, V182A, Y183C, Y183H, E184R, E184G, K185R, K185del, K185E, N186S, N186D, D187G, and D187N

Stimulus

Biocircuits of the invention are triggered by one or more stimuli. Stimuli may be selected from a ligand, an externally added or endogenous metabolite, the presence or absence of a defined ligand, pH, temperature, light, ionic strength, radioactivity, cellular location, subject site, microenvironment, the presence or the concentration of one or more metal ions.

In some embodiments, the stimulus is a ligand. Ligands may be nucleic acid-based, protein-based, lipid based, organic, inorganic or any combination of the foregoing. In some embodiments, the ligand is selected from the group consisting of a protein, peptide, nucleic acid, lipid, lipid derivative, sterol, steroid, metabolite derivative and a small molecule. In some embodiments, the stimulus is a small molecule. In some embodiments, the small molecules are cell permeable. Ligands useful in the present invention include without limitation, any of those taught in Table 2 of commonly owned U.S. Ser. No. 62/320,864 filed on Apr. 11, 2016 or in U.S. Provisional Application No. 62/466,596 filed Mar. 3, 2017 and the International Publication WO2017/180587, the contents of each of which are incorporated herein by reference in their entirety. In some embodiments, the small molecules are FDA-approved, safe and orally administered.

In some embodiments, the ligand binds to dihydrofolate reductase. In some embodiments, the ligand binds to and inhibits dihydrofolate reductase function and is herein referred to as a dihydrofolate inhibitor.

In some embodiments, the ligand may be a selective inhibitor of human DHFR. Ligands of the invention may also be selective inhibitors of dihydrofolate reductases of bacteria and parasitic organisms such as Pneumocystis spp., Toxoplasma spp., Trypanosoma spp., Mycobacterium spp., and Streptococcus spp. Ligands specific to other DHFR may be modified to improve binding to human dihydrofolate reductase.

Examples of dihydrofolate inhibitors include, but are not limited to, Trimethoprim (TMP), Methotrexate (MTX), Pralatrexate, Piritrexim Pyrimethamine, Talotrexin, Chloroguanide, Pentamidine, Trimetrexate, aminopterin, C1 898 trihydrochloride, Pemetrexed Disodium, Raltitrexed, Sulfaguanidine, Folotyn, Iclaprim and Diaveridine. Other examples of DHFR inhibitors include BAL0030543, BAL0030544 and BAL0030545, developed by Basillea Pharmaceuticals; as well as WR 99210, and P218. Any of the inhibitors described by Zhang Q et al. (2015) Int J Antimicrob Agents. 2015 August; 46(2): 174-182 (the contents of which are incorporated herein by reference in their entirety). Some inhibitors contain bulky benzyl groups that dramatically diminish binding to human DHFR. In some embodiments, the inhibitors may be designed without bulky benzyl groups to improve TMP binding.

In some embodiments, ligands of the present invention may be polyglutamate or non polyglutamylatable. Like naturally occurring folates, polyglutamatable folates also contain a glutamic acid residue and therefore undergo intracellular polyglutamylation. In contrast, non-polyglutamatable antifolates are devoid of a glutamate residue and thus are not available for polyglutamylation. In some embodiments, polyglutamylatable ligands may be preferred to increase intracellular retention as they can no longer be exported out of the cell. In other embodiments, non polyglutamylatable ligands may be preferred to decrease intracellular retention.

›DETAILED DESCRIPTION OF THE INVENTION · 16 of 58

In some embodiments, ligands of the present invention may include dihydrofolic acid or any of its derivatives that may bind to human DHFR. In some embodiments, the ligands of the present invention, may be 2,4, diaminohetrocyclic compounds. In some embodiments, the 4-oxo group in dihydrofolate may be modified to generate DHFR inhibitors. In one example, the 4-oxo group may be replaced by 4-amino group. Various diamino heterocycles, including pteridines, quinazolines, pyridopyrimidines, pyrimidines, and triazines, may also be used as scaffolds to develop DHFR inhibitors and may be used in the present invention. The crystal structure of DHFR in complex with known DHFR inhibitors may be utilized in the rational design of improved DHFR ligands. The ligands used herein include a 2,4-diaminopyrimidine ring with a propargyl group linked to an optionally substituted aryl or heteroaryl ring (as described in U.S. Pat. No. 8,426,432; the contents of which are incorporated herein by reference in their entirety).

In one embodiment, the ligands of the present invention may be FDA approved ligands capable of binding to the specific DDs or target regions within the DDs. In other embodiments, FDA approved ligands may be used to screen potential binders in the human protein. DDs may be designed based on the positive hits from the screen using the portion of the protein that binds to the ligand. In one embodiment, proteins that bind to FDA approved ligands as off target interactions may be used to design DDs of the present invention.

In some embodiments, ligands include TMP-derived ligands containing portions of the ligand known to mediate binding to DHFR. Ligands may also be modified to reduce off-target binding to other folate metabolism enzymes and increase specific binding to DHFR.

DHFR inhibitors cover a broad pharmacokinetic space with respect to the approved dose and their duration of action and are described in Table 8. In Table 8, PO stands for per os (i.e. by mouth); QD represents quaque die (i.e. every day); IV represents intravenous; TID represents ter un die (i.e. three times a day); and Cmax represents the peak serum concentration that a drug achieves after its administration.

In some embodiments, the ligand selection is determined by the magnitude and duration of expression of the effector modules of the invention using the PK parameters described in Table 8. In some embodiments, high levels of expression of the payload for a short duration of time may be desired. In some embodiments, high levels of expression of the payload may be desired for a long duration. In some embodiments, low levels of expression of the payload may be desired for a long duration of time. In some embodiments, low levels of expression for a short duration of time may be desired. In such instances, TMP may be used as the ligand.

Ligands may also be selected from the analysis of the dependence of a known DHFR ligand on its molecular/chemical structure, through Structure Activity Relationships (SAR) study. Any of the methods related to SAR, known in art may be utilized to identify stabilizing ligands of the invention. SAR may be utilized to improve properties of the ligand such as specificity, potency, pharmacokinetics, bioavailability, and safety. SAR analysis of known DHFR inhibitors may also be combined with computational strategies and the high resolution X-ray structures of DHFR complexed with ligands may be used to develop compounds that can fit these criteria.

Methotrexate is converted to its polyglutamate form, which is required for the intracellular retention, and represents the most preferred substrate for most folate-dependent enzymes. Analysis of the structure of MTX with human and bacterial DHFR has revealed that the active site of hDHFR is larger than ecDHFR which provides a specific interaction with hDHFR. Human DHFR has a much larger active site for TMP as compared to ecDHFR; thus, hDHFR binds to TMP in a different conformation with fewer hydrogen bonds and is thus a poorer fit for the small inhibitor. In some embodiments, the ligands of the invention are designed to be lipophilic to improve cell permeability.

Payloads

According to the present invention, payloads can be any natural protein in an organism genome, a fusion polypeptide, an antibody, or variants, mutants and derivatives thereof.

In some embodiments, payloads of the present invention may be immunotherapeutic agents that induce immune responses in an organism. The immunotherapeutic agent may be, but is not limited to, an antibody and fragments and variants thereof, a chimeric antigen receptor (CAR), a chimeric switch receptor, a cytokine, chemokine, a cytokine receptor, a chemokine receptor, a cytokine-cytokine receptor fusion polypeptide, or any agent that induces an immune response. In one embodiment, the immunotherapeutic agent induces an anti-cancer immune response in a cell, or in a subject.

In some embodiments, payloads of the present invention may be immunotherapeutic agents that induce immune responses in an organism. The immunotherapeutic agent may be a cytokine, a cytokine receptor, a cytokine-cytokine receptor fusion polypeptide or any agent that induces an immune response. In one embodiment, the immunotherapeutic agent induces an anti-cancer immune response in a cell, or in a subject.

1. Protein of Interest

In some embodiments, payloads of the invention may be a natural protein in an organism genome, or variants, mutants, derivatives thereof. The natural protein may be from, for example, a mammalian organism, a bacterium, and a virus.

In one example, the payload may be a protein of interest, or a polypeptide from human genome.

In some embodiments, the payload of the present invention may be cardiac lineage specification factors such as eomesodermin (EOMES), a T-box transcription factor; WNT signaling pathway components such as WNT3 and WNT 3A. EOMES is crucially required for the development of the heart. Cardiomyocyte programming by EOMES involves autocrine activation of the canonical WNT signaling pathway and vice versa. Under conditions that are conducive to promoting cardiac lineage, WNT signaling activates EOMES and EOMES in turn promotes WNT signaling creating a self-sustaining loop that promotes the cardiac lineage. An activation loop that is too weak or too strong promotes non-cardiac fates such as endodermal and other mesodermal fates respectively. The DDs of the present invention may be used to tune EOMES and WNT payload levels to generate an activation loop that initiate and/or sustain cardiac specification during gastrulation.

›DETAILED DESCRIPTION OF THE INVENTION · 17 of 58

2. Antibodies, Antibody Fragments and Variants

In some embodiments, antibodies, fragments and variants thereof are payloads of the present invention.

Antibodies useful in this method include without limitation, any of those taught in copending commonly owned U.S. Provisional Patent Application No. 62/320,864 filed on Apr. 11, 2016 or in U.S. Provisional Application No. 62/466,596 filed Mar. 3, 2017 and the International Publication WO2017/180587, the contents of each of which are incorporated herein by reference in their entirety.

In some embodiments, antibodies of the present invention, include without limitation, any of those taught in Table 5 of copending commonly owned U.S. Provisional Patent Application No. 62/320,864 filed on Apr. 11, 2016, or in U.S. Provisional Application No. 62/466,596 filed Mar. 3, 2017 and the International Publication WO2017/180587, the contents of each of which are incorporated herein by reference in their entirety.

The antibody may be an intact antibody, an antibody light chain, antibody heavy chain, an antibody fragment, an antibody variant, or an antibody derivative.

For the purposes herein, an “antibody” may comprise a heavy and light variable domain as well as an Fc region.

As used herein, the term “native antibody” refers to a usually heterotetrameric glycoprotein of about 150,000 daltons, composed of two identical light (L) chains and two identical heavy (H) chains. Genes encoding antibody heavy and light chains are known and segments making up each have been well characterized and described (Matsuda et al., The Journal of Experimental Medicine. 1998, 188(11): 2151-62 and Li et al., Blood, 2004, 103(12): 4602-4609; the content of each of which are herein incorporated by reference in their entirety). Each light chain is linked to a heavy chain by one covalent disulfide bond, while the number of disulfide linkages varies among the heavy chains of different immunoglobulin isotypes. Each heavy and light chain also has regularly spaced intrachain disulfide bridges. Each heavy chain has at one end a variable domain (VH) followed by a number of constant domains. Each light chain has a variable domain at one end (VL) and a constant domain at its other end; the constant domain of the light chain is aligned with the first constant domain of the heavy chain, and the light chain variable domain is aligned with the variable domain of the heavy chain.

As used herein, the term “variable domain” refers to specific antibody domains found on both the antibody heavy and light chains that differ extensively in sequence among antibodies and are used in the binding and specificity of each particular antibody for its particular antigen. Variable domains comprise hypervariable regions. As used herein, the term “hypervariable region” refers to a region within a variable domain comprising amino acid residues responsible for antigen binding. The amino acids present within the hypervariable regions determine the structure of the complementarity determining regions (CDRs) that become part of the antigen-binding site of the antibody. As used herein, the term “CDR” refers to a region of an antibody comprising a structure that is complimentary to its target antigen or epitope. Other portions of the variable domain, not interacting with the antigen, are referred to as framework (FW) regions. The antigen-binding site (also known as the antigen combining site or paratope) comprises the amino acid residues necessary to interact with a particular antigen. The exact residues making up the antigen-binding site are typically elucidated by co-crystallography with bound antigen, however computational assessments can also be used based on comparisons with other antibodies (Strohl, W. R. Therapeutic Antibody Engineering. Woodhead Publishing, Philadelphia Pa. 2012. Ch. 3, p 47-54, the contents of which are herein incorporated by reference in their entirety). Determining residues making up CDRs may include the use of numbering schemes including, but not limited to, those taught by Kabat (Wu et al., JEM, 1970, 132(2):211-250 and Johnson et al., Nucleic Acids Res. 2000, 28(1): 214-218, the contents of each of which are herein incorporated by reference in their entirety), Chothia (Chothia and Lesk, J. Mol. Biol. 1987, 196, 901, Chothia et al., Nature, 1989, 342, 877, and Al-Lazikani et al., J. Mol. Biol. 1997, 273(4): 927-948, the contents of each of which are herein incorporated by reference in their entirety), Lefranc (Lefranc et al., Immunome Res. 2005, 1:3) and Honegger (Honegger and Pluckthun, J. Mol. Biol. 2001, 309(3): 657-70, the contents of which are herein incorporated by reference in their entirety).

VH and VL domains have three CDRs each. VL CDRs are referred to herein as CDR-L1, CDR-L2 and CDR-L3, in order of occurrence when moving from N- to C-terminus along the variable domain polypeptide. VH CDRs are referred to herein as CDR-H1, CDR-H2 and CDR-H3, in order of occurrence when moving from N- to C-terminus along the variable domain polypeptide. Each of CDRs have favored canonical structures with the exception of the CDR-H3, which comprises amino acid sequences that may be highly variable in sequence and length between antibodies resulting in a variety of three-dimensional structures in antigen-binding domains (Nikoloudis, et al., Peer J. 2014, 2: e456). In some cases, CDR-H3s may be analyzed among a panel of related antibodies to assess antibody diversity. Various methods of determining CDR sequences are known in the art and may be applied to known antibody sequences (Strohl, W. R. Therapeutic Antibody Engineering. Woodhead Publishing, Philadelphia Pa. 2012. Ch. 3, p 47-54, the contents of which are herein incorporated by reference in their entirety).

As used herein, the term “light chain” refers to a component of an antibody from any vertebrate species assigned to one of two clearly distinct types, called kappa and lambda based on amino acid sequences of constant domains. Depending on the amino acid sequence of the constant domain of their heavy chains, antibodies can be assigned to different classes. There are five major classes of intact antibodies: IgA, IgD, IgE, IgG, and IgM, and several of these may be further divided into subclasses (isotypes), e.g., IgG1, IgG2, IgG3, IgG4, IgA, and IgA2.

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In some embodiments, the payload maybe a monoclonal antibody. As used herein, the term “monoclonal antibody” refers to an antibody obtained from a population of substantially homogeneous cells (or clones), i.e., the individual antibodies comprising the population are identical and/or bind the same epitope, except for possible variants that may arise during production of the monoclonal antibodies, such variants generally being present in minor amounts. In contrast to polyclonal antibody preparations that typically include different antibodies directed against different determinants (epitopes), each monoclonal antibody is directed against a single determinant on the antigen.

The modifier “monoclonal” indicates the character of the antibody as being obtained from a substantially homogeneous population of antibodies, and is not to be construed as requiring production of the antibody by any particular method. The monoclonal antibodies herein include “chimeric” antibodies (immunoglobulins) in which a portion of the heavy and/or light chain is identical with or homologous to corresponding sequences in antibodies derived from a particular species or belonging to a particular antibody class or subclass, while the remainder of the chain(s) is identical with or homologous to corresponding sequences in antibodies derived from another species or belonging to another antibody class or subclass, as well as fragments of such antibodies.

In one embodiment, the payload of the present invention may be a humanized antibody. As used herein, the term “humanized antibody” refers to a chimeric antibody comprising a minimal portion from one or more non-human (e.g., murine) antibody source(s) with the remainder derived from one or more human immunoglobulin sources. For the most part, humanized antibodies are human immunoglobulins (recipient antibody) in which residues from the hypervariable region from an antibody of the recipient are replaced by residues from the hypervariable region from an antibody of a non-human species (donor antibody) such as mouse, rat, rabbit or nonhuman primate having the desired specificity, affinity, and/or capacity. In one embodiment, the antibody may be a humanized full-length antibody. As a non-limiting example, the antibody may have been humanized using the methods taught in US Patent Publication NO. US20130303399, the contents of which are herein incorporated by reference in its entirety.

In one embodiment, the antibody may comprise a modified Fc region. As a non-limiting example, the modified Fc region may be made by the methods or may be any of the regions described in US Patent Publication NO. US20150065690, the contents of which are herein incorporated by reference in its entirety.

As used herein, the term “antibody variant” refers to a modified antibody (in relation to a native or starting antibody) or a biomolecule resembling a native or starting antibody in structure and/or function (e.g., an antibody mimetic). Antibody variants may be altered in their amino acid sequence, composition or structure as compared to a native antibody. Antibody variants may include, but are not limited to, antibodies with altered isotypes (e.g., IgA, IgD, IgE, IgG1, IgG2, IgG3, IgG4, or IgM), humanized variants, optimized variants, multispecific antibody variants (e.g., bispecific variants), and antibody fragments.

Antibody Fragments and Variants

In some embodiments, antibody fragments and variants may comprise antigen binding regions from intact antibodies. Examples of antibody fragments and variants may include, but are not limited to Fab, Fab′, F(ab′)2, and Fv fragments; diabodies; linear antibodies; single-chain antibody molecules such as single chain variable fragment (scFv); and multispecific antibodies formed from antibody fragments. Papain digestion of antibodies produces two identical antigen-binding fragments, called “Fab” fragments, each with a single antigen-binding site. Also produced is a residual “Fc” fragment, whose name reflects its ability to crystallize readily. Pepsin treatment yields an F(ab′)2 fragment that has two antigen-binding sites and is still capable of cross-linking with the antigen. Pharmaceutical compositions, biocircuits, biocircuit components, effector modules including their SREs or payloads of the present invention may comprise one or more of these fragments.

In some embodiments, antibody fragments and variants may comprise antigen binding regions from intact antibodies. Examples of antibody fragments and variants may include, but are not limited to Fab, Fab′, F(ab′)2, and Fv fragments; diabodies; linear antibodies; single-chain antibody molecules such as single chain variable fragment (scFv); dimeric single-chain variable fragment (di-scFv), single domain antibody (sdAb) and multispecific antibodies formed from antibody fragments. Papain digestion of antibodies produces two identical antigen-binding fragments, called “Fab” fragments, each with a single antigen-binding site. Also produced is a residual “Fc” fragment, whose name reflects its ability to crystallize readily. Pepsin treatment yields an F(ab′)2 fragment that has two antigen-binding sites and is still capable of cross-linking antigen. Pharmaceutical compositions, biocircuits, biocircuit components, effector modules including their SREs or payloads of the present invention may comprise one or more of these fragments.

As used herein, the term “Fv” refers to an antibody fragment comprising the minimum fragment on an antibody needed to form a complete antigen-binding site. These regions consist of a dimer of one heavy chain and one light chain variable domain in tight, non-covalent association. Fv fragments can be generated by proteolytic cleavage, but are largely unstable. Recombinant methods are known in the art for generating stable Fv fragments, typically through insertion of a flexible linker between the light chain variable domain and the heavy chain variable domain (to form a single chain Fv (scFv) or through the introduction of a disulfide bridge between heavy and light chain variable domains (Strohl, W. R. Therapeutic Antibody Engineering. Woodhead Publishing, Philadelphia Pa. 2012. Ch. 3, p 46-47, the contents of which are herein incorporated by reference in their entirety).

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As used herein, the term “single chain Fv” or “scFv” refers to a fusion protein of VH and VL antibody domains, wherein these domains are linked together into a single polypeptide chain by a flexible peptide linker. In some embodiments, the Fv polypeptide linker enables the scFv to form the desired structure for antigen binding. In some embodiments, scFvs are utilized in conjunction with phage display, yeast display or other display methods where they may be expressed in association with a surface member (e.g. phage coat protein) and used in the identification of high affinity peptides for a given antigen.

Using molecular genetics, two scFvs can be engineered in tandem into a single polypeptide, separated by a linker domain, called a “tandem scFv” (tascFv). Construction of a tascFv with genes for two different scFvs yields a “bispecific single-chain variable fragments” (bis-scFvs). Only two tascFvs have been developed clinically by commercial firms; both are bispecific agents in active early phase development by Micromet for oncologic indications, and are described as “Bispecific T-cell Engagers (BiTE).” Blinatumomab is an anti-CD19/anti-CD3 bispecific tascFv that potentiates T-cell responses to B-cell non-Hodgkin lymphoma in Phase 2. MT110 is an anti-EP-CAM/anti-CD3 bispecific tascFv that potentiates T-cell responses to solid tumors in Phase 1. Bispecific, tetravalent “TandAbs” are also being researched by Affimed (Nelson, A. L., MAbs., 2010, January-February; 2(1):77-83). maxibodies (bivalent scFv fused to the amino terminus of the Fc (CH2-CH3 domains) of IgG may also be included.

As used herein, the term “bispecific antibody” refers to an antibody capable of binding two different antigens. Such antibodies typically comprise regions from at least two different antibodies. Bispecific antibodies may include any of those described in Riethmuller, G. Cancer Immunity. 2012, 12:12-18, Marvin et al., 2005 . Acta Pharmacologica Sinica. 2005, 26(6): 649-658 and Schaefer et al., PNAS. 2011, 108(27):11187-11192, the contents of each of which are herein incorporated by reference in their entirety. In some aspects, bispecific antibodies may be trifunctional antibodies (3funct) and BiTE (bi-specific T cell engager).

As used herein, the term “diabody” refers to a small antibody fragment with two antigen-binding sites. Diabodies are functional bispecific single-chain antibodies (bscAb). Diabodies comprise a heavy chain variable domain VH connected to a light chain variable domain VL in the same polypeptide chain. By using a linker that is too short to allow pairing between the two domains on the same chain, the domains are forced to pair with the complementary domains of another chain and create two antigen-binding sites. Diabodies are described more fully in, for example, EP 404,097; WO 93/11161; and Hollinger et al. (Hollinger, P. et al., “Diabodies”: Small bivalent and bispecific antibody fragments. PNAS, 1993. 90: 6444-6448); the contents of each of which are incorporated herein by reference in their entirety.

The term “intrabody” refers to a form of antibody that is not secreted from a cell in which it is produced, but instead targets one or more intracellular proteins. Intrabodies may be used to affect a multitude of cellular processes including, but not limited to intracellular trafficking, transcription, translation, metabolic processes, proliferative signaling and cell division. In some embodiments, methods of the present invention may include intrabody-based therapies. In some such embodiments, variable domain sequences and/or CDR sequences disclosed herein may be incorporated into one or more constructs for intrabody-based therapy.

In some embodiments, antibody variants may be antibody mimetics. As used herein, the term “antibody mimetic” refers to any molecule which mimics the function or effect of an antibody and which binds specifically and with high affinity to their molecular targets. In some embodiments, antibody mimetics may be monobodies, designed to incorporate the fibronectin type III domain (Fn3) as a protein scaffold (U.S. Pat. Nos. 6,673,901; 6,348,584). In some embodiments, antibody mimetics may be those known in the art including, but are not limited to affibody molecules, affilins, affitins, anticalins, avimers, Centyrins, DARPINS™, Fynomers and Kunitz and domain peptides. In other embodiments, antibody mimetics may include one or more non-peptide regions.

In some embodiments, antibody variants may be multispecific antibodies that bind more than one epitope. As used herein, the terms “multibody” or “multispecific antibody” refer to an antibody wherein two or more variable regions bind to different epitopes. The epitopes may be on the same or different targets. In one embodiment, the multispecific antibody may be generated and optimized by the methods described in International Patent Publication NO. WO2011109726 and US Patent Publication NO. US20150252119, the contents of which each of which are herein incorporated by reference in their entirety. These antibodies are able to bind to multiple antigens with high specificity and high affinity.

In certain embodiments, a multi-specific antibody is a “bispecific antibody” which recognizes two different epitopes on the same or different antigens. In one aspect, bispecific antibodies are capable of binding two different antigens. Such antibodies typically comprise antigen-binding regions from at least two different antibodies. For example, a bispecific monoclonal antibody (BsMAb, BsAb) is an artificial protein composed of fragments of two different monoclonal antibodies, thus allowing the BsAb to bind to two different types of antigen. Bispecific antibody frameworks may include any of those described in Riethmuller, G., 2012. Cancer Immunity, 2012, 12:12-18; Marvin et al., Acta Pharmacologica Sinica. 2005, 26(6):649-658; and Schaefer et al., PNAS. 2011, 108(27): 11187-11192, the contents of each of which are herein incorporated by reference in their entirety. New generations of BsMAb, called “trifunctional bispecific” antibodies, have been developed. These consist of two heavy and two light chains, one each from two different antibodies, where the two Fab regions (the arms) are directed against two antigens, and the Fc region (the foot) comprises the two heavy chains and forms the third binding site.

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In certain embodiments, antibody variants may be antibodies comprising a single antigen-binding domain. These molecules are extremely small, with molecular weights approximately one-tenth of those observed for full-sized mAbs. Further antibodies may include “nanobodies” derived from the antigen-binding variable heavy chain regions (VHHs) of heavy chain antibodies found in camels and llamas, which lack light chains (Nelson, A. L., MAbs.2010. January-February; 2(1):77-83).

In some embodiments, the antibody may be “miniaturized”. Among the best examples of mAb miniaturization are the small modular immunopharmaceuticals (SMIPs) from Trubion Pharmaceuticals. These molecules, which can be monovalent or bivalent, are recombinant single-chain molecules containing one VL, one VH antigen-binding domain, and one or two constant “effector” domains, all connected by linker domains. Presumably, such a molecule might offer the advantages of increased tissue or tumor penetration claimed by fragments while retaining the immune effector functions conferred by constant domains. At least three “miniaturized” SMIPs have entered clinical development. TRU-015, an anti-CD20 SMIP developed in collaboration with Wyeth, is the most advanced project, having progressed to Phase 2 for rheumatoid arthritis (RA). Earlier attempts in systemic lupus erythrematosus (SLE) and B cell lymphomas were ultimately discontinued. Trubion and Facet Biotechnology are collaborating in the development of TRU-016, an anti-CD37 SMIP, for the treatment of CLL and other lymphoid neoplasias, a project that has reached Phase 2. Wyeth has licensed the anti-CD20 SMIP SBI-087 for the treatment of autoimmune diseases, including RA, SLE and possibly multiple sclerosis, although these projects remain in the earliest stages of clinical testing. (Nelson, A. L., MAbs, 2010. January-February; 2(1):77-83).

One example of miniaturized antibodies is called “unibody” in which the hinge region has been removed from IgG4 molecules. While IgG4 molecules are unstable and can exchange light-heavy chain heterodimers with one another, deletion of the hinge region prevents heavy chain-heavy chain pairing entirely, leaving highly specific monovalent light/heavy heterodimers, while retaining the Fc region to ensure stability and half-life in vivo. This configuration may minimize the risk of immune activation or oncogenic growth, as IgG4 interacts poorly with FcRs and monovalent unibodies fail to promote intracellular signaling complex formation (see, e.g., Nelson, A. L., MAbs, 2010. January-February; 2(1):77-83).

In some embodiments, antibody variants may include single-domain antibodies (sdAbs, or nanobodies) which are antibody fragment consisting of a single monomeric variable antibody domain. Like a whole antibody, it is able to bind selectively to a specific antigen. In one aspect, a sdAb may be a “Camel Ig or “camelid VHH”. As used herein, the term “camel Ig” refers to the smallest known antigen-binding unit of a heavy chain antibody (Koch-No lte, et al, FASEB J., 2007, 21: 3490-3498). A “heavy chain antibody” or a “camelid antibody” refers to an antibody that contains two VH domains and no light chains (Riechmann L. et al, J. Immunol. Methods, 1999, 231: 25-38; International patent publication NOs. WO1994/04678 and WO1994/025591; and U.S. Pat. No. 6,005,079). In another aspect, an sdAb may be a “immunoglobulin new antigen receptor” (IgNAR). As used herein, the term “immunoglobulin new antigen receptor” refers to class of antibodies from the shark immune repertoire that consist of homodimers of one variable new antigen receptor (VNAR) domain and five constant new antigen receptor (CNAR) domains. IgNARs represent some of the smallest known immunoglobulin-based protein scaffolds and are highly stable and possess efficient binding characteristics. The inherent stability can be attributed to both (i) the underlying Ig scaffold, which presents a considerable number of charged and hydrophilic surface exposed residues compared to the conventional antibody VH and VL domains found in murine antibodies; and (ii) stabilizing structural features in the complementary determining region (CDR) loops including inter-loop disulphide bridges, and patterns of intra-loop hydrogen bonds.

In some embodiments, antibody variants may include intrabodies. Intrabodies are a form of antibody that is not secreted from a cell in which it is produced, but instead targets one or more intracellular proteins. Intrabodies are expressed and function intracellularly, and may be used to affect a multitude of cellular processes including, but not limited to intracellular trafficking, transcription, translation, metabolic processes, proliferative signaling and cell division. In some embodiments, methods described herein include intrabody-based therapies. In some such embodiments, variable domain sequences and/or CDR sequences disclosed herein are incorporated into one or more constructs for intrabody-based therapy. For example, intrabodies may target one or more glycated intracellular proteins or may modulate the interaction between one or more glycated intracellular proteins and an alternative protein.

The intracellular expression of intrabodies in different compartments of mammalian cells allows blocking or modulation of the function of endogenous molecules (Biocca, et al., EMBO J. 1990, 9: 101-108; Colby et al., Proc. Natl. Acad. Sci. U.S.A. 2004, 101: 17616-17621). Intrabodies can alter protein folding, protein-protein, protein-DNA, protein-RNA interactions and protein modification. They can induce a phenotypic knockout and work as neutralizing agents by direct binding to the target antigen, by diverting its intracellular trafficking or by inhibiting its association with binding partners. With high specificity and affinity to target antigens, intrabodies have advantages to block certain binding interactions of a particular target molecule, while sparing others.

Sequences from donor antibodies may be used to develop intrabodies. Intrabodies are often recombinantly expressed as single domain fragments such as isolated VH and VL domains or as a single chain variable fragment (scFv) antibody within the cell. For example, intrabodies are often expressed as a single polypeptide to form a single chain antibody comprising the variable domains of the heavy and light chains joined by a flexible linker polypeptide. Intrabodies typically lack disulfide bonds and are capable of modulating the expression or activity of target genes through their specific binding activity. Single chain intrabodies are often expressed from a recombinant nucleic acid molecule and engineered to be retained intracellularly (e.g., retained in the cytoplasm, endoplasmic reticulum, or periplasm). Intrabodies may be produced using methods known in the art, such as those disclosed and reviewed in: (Marasco et al., PNAS, 1993, 90: 7889-7893; Chen et al., Hum. Gene Ther. 1994, 5:595-601; Chen et al., 1994 , PNAS, 91: 5932-5936; Maciejewski et al., 1995 , Nature Med., 1: 667-673; Marasco, 1995 , Immunotech, 1: 1-19; Mhashilkar, et al., 1995 , EMBO J. 14: 1542-51; Chen et al., 1996 , Hum. Gene Therap., 7: 1515-1525; Marasco, Gene Ther. 4:11-15, 1997; Rondon and Marasco, 1997, Annu. Rev. Microbiol. 51:257-283; Cohen, et al., 1998, Oncogene 17:2445-56; Proba et al., 1998, J. Mol. Biol. 275:245-253; Cohen et al., 1998, Oncogene 17:2445-2456; Hassanzadeh, et al., 1998, FEBS Lett. 437:81-6; Richardson et al., 1998, Gene Ther. 5:635-44; Ohage and Steipe, 1999, J. Mol. Biol. 291:1119-1128; Ohage et al., 1999, J. Mol. Biol. 291:1129-1134; Wirtz and Steipe, 1999, Protein Sci. 8:2245-2250; Zhu et al., 1999, J. Immunol. Methods 231:207-222; Arafat et al., 2000, Cancer Gene Ther. 7:1250-6; der Maur et al., 2002, J. Biol. Chem. 277:45075-85; Mhashilkar et al., 2002, Gene Ther. 9:307-19; and Wheeler et al., 2003, FASEB J. 17: 1733-5; and references cited therein).

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In certain embodiments, antibody variants may include biosynthetic antibodies as described in U.S. Pat. No. 5,091,513, the contents of which are herein incorporated by reference in their entirety. Such antibody may include one or more sequences of amino acids constituting a region which behaves as a biosynthetic antibody binding site (BABS). The sites comprise 1) non-covalently associated or disulfide bonded synthetic VH and VL dimers, 2) VH-VL or VL-VH single chains wherein the VH and VL are attached by a polypeptide linker, or 3) individuals VH or VL domains. The binding domains comprise linked CDR and FR regions, which may be derived from separate immunoglobulins. The biosynthetic antibodies may also include other polypeptide sequences which function, e.g., as an enzyme, toxin, binding site, or site of attachment to an immobilization media or radioactive atom. Methods are disclosed for producing the biosynthetic antibodies, for designing BABS having any specificity that can be elicited by in vivo generation of antibody, and for producing analogs thereof.

In some embodiments, antibody variants may include antibodies with antibody acceptor frameworks taught in U.S. Pat. No. 8,399,625. Such antibody acceptor frameworks may be particularly well suited accepting CDRs from an antibody of interest.

In one embodiment, the antibody may be a conditionally active biologic protein. An antibody may be used to generate a conditionally active biologic protein which are reversibly or irreversibly inactivated at the wild type normal physiological conditions as well as to such conditionally active biologic proteins and uses of such conditional active biologic proteins are provided. Such methods and conditionally active proteins are taught in, for example, International Publication Nos. WO2015175375 and WO2016036916 and US Patent Publication No. US20140378660, the contents of each of which are incorporated herein by reference in their entirety.

The preparation of antibodies, whether monoclonal or polyclonal, is known in the art. Techniques for the production of antibodies are well known in the art and described, e.g. in Harlow and Lane “Antibodies, A Laboratory Manual”, Cold Spring Harbor Laboratory Press, 1988; Harlow and Lane “Using Antibodies: A Laboratory Manual” Cold Spring Harbor Laboratory Press, 1999 and “Therapeutic Antibody Engineering: Current and Future Advances Driving the Strongest Growth Area in the Pharmaceutical Industry” Woodhead Publishing, 2012.

The antibodies and fragments and variants thereof as described herein can be produced using recombinant polynucleotides. In one embodiment, the polynucleotides have a modular design to encode at least one of the antibodies, fragments or variants thereof. As a non-limiting example, the polynucleotide construct may encode any of the following designs: (1) the heavy chain of an antibody, (2) the light chain of an antibody, (3) the heavy and light chain of the antibody, (4) the heavy chain and light chain separated by a linker, (5) the VH1, CH1, CH2, CH3 domains, a linker and the light chain or (6) the VH1, CH1, CH2, CH3 domains, VL region, and the light chain. Any of these designs may also comprise optional linkers between any domain and region. The polynucleotides of the present invention may be engineered to produce any standard class of immunoglobulins using an antibody described herein or any of its component parts as a starting molecule.

In some embodiments, antibody payloads of the present invention may be therapeutic antibodies. As non-limiting examples, antibodies and fragments and variants thereof may be specific to tumor associated antigens, or tumor specific antigens, or pathogen antigens. In some aspects, antibodies may be blocking antibodies (also referred to as antagonistic antibodies), for example, blocking antibodies against PD-1, PD-L1, PD-L2, CTLA-4 and other inhibitory molecules. In other aspects, antibodies may be agonist antibodies such as agonistic antibodies specific to stimulatory molecules, e.g., 4-1BB (CD137), OX40 (CD134), CD40, GITR and CD27.

Other exemplary therapeutic antibodies may include, but are not limited to, Abagovomab, Abcxmab, Abituzumab, Abrilumab, Actoxumab, Adalimumab, Adecatumumab, Afasevikumab, Afelimomab, Afutuzumab, Alacizumab, Alemtuzumab, Alirocumab, Altumomab, Amatuximab, Anetumab, Anifrolumab, Apolizumab, Arcitumomab, Ascrinvacumab, Aselizumab, Atezolizumab, Atinumab, Atlizumab, Atorolimumab, Avelumab, Bapineuzumab, Basiliximab, Bavituximab, Bectumomab, Begelomab, Belimumab, Benralizumab, Bertilimumab, Besilesomab, Bevacizumab, Bezlotoxumab, Biciromab, Bimagrumab, Bimekizumab, Bivatuzumab, Bleselumab, Blinatumomab, Blinatumomab, Blosozumab, Bococizumab, Brentuximab, Briaknumab, Brodalumab, Brolucizumab, Brontictuzumab, Cabiralizumab, Canakinumab, Cantuzumab, Caplacizumab, Capromab, Carlumab, Carotuximab, Catumaxomab, cBR96-doxorubicin immunoconjugate, Cedelizumab, Cergutuzumab, Certolizumab pegol, Cetuximab, Citatuzumab, Cixutumumab, Clazakizumab, Clenoliximab, Clivatuzumab, Codrituzumab, Coltuximab, Contatumumab, Concizumab, Crenezumab, Crotedumab, CR6261, Dacetumab, Daclizumab, Dalotuzumab, Dapirolizumab pegol, Daratumumab, Dectrekumab, Demcizumab, Denintuzumab, Denosumab, Derlotuximab biotin, Detumomab, Dinutuximab, Diridavumab, Domagrozumab, Dorlimomab aritox, Drozitumab, Duligotumab, Dupilumab, Durvalumab, Dusigitumab, Ecromeximab, Eculizumab, Edobacomab, Edrecolomab, Efalizumab, Efungumab, Eldelumab, Elgemtumab, Elotuzumab, Elsilimomab, Emactuzumab, Emibetuzumab, Emicizumab, Enavatuzumab, Enfortumab vedotin, Enlimomab pegol, Enoblituzumab, Enokizumab, Enoticumab, Ensituximab, Epitumomab cituxetan, Epratuzumab, Erlizumab, Ertumaxomab, Etaracizumab, Etrolizumab, Evinacumab, Evolocumab, Exbivirumab, Fanolesomab, Faralimomab, Farletuzumab, Fasinumab, FBTA05, Felvizumab, Fezakinumab, Fibatuzumab, Ficlatuzumab, Figitumumab, Firivumab, Flanvotumab, Fletikumab, Fontolizumab, Foralumab, Foravirumab, Fresolimumab, Fulranumab, Futuximab, Galcanezumab, Galiximab, Ganitumab, Gantenerumab, Gavilimomab, Gemtuzumab ozogamicin, Gevokizumab, Girentuximab, Glembatumumab vedotin, Golimumab, Gomiliximab, Guselkumab, Ibalizumab, Ibritumomab tituxetan, icrucumab, Idarucizumab, Igovomab, IMAB362, Imalumab, Imciromab, Imgatuzumab, Inclacumab, Indatuximab, Indusatumab, Inebilizumab, Infliximab, Intetumumab, Inolimomab, Inotuzumab, Ipilimumab, Iratumumab, Isatuximab, Itolizumab, Ixekizumab, Keliximab, Labetuzumab, Lambrolizumab, Lampalizumab, Lanadelumab, Landogrozumab, Laprituximab, Lebrikizumab, Lemalesomab, Lendalizumab, Lenzilumab, Lerdelimumab, Lexatumumab, Libivirumab, Lifastuzumab, Ligelizumab, Lilotomab, Lintuzumab, Lirilumab, Lodelcizumab, Lokivetmab, Lorvotuzumab, Lucatumumab, Lulizumab pegol, Lumiliximab, Lumretuzumab, Mapatumumab, Margetuximab, Maslimomab, Mavrilimumab, Matuzumab, Mepolizumab, Metelimumab, Milatuzumab, Minretumomab, Mirvetuximab, Mitumomab, Mogamulizumab, Monalizumab, Morolimumab, Motavizumab, Moxetumomab pasudotox, Muromonab-CD3, nacolomab tafenatox, Namilumab, naptumomab, naratuximab, Narnatumab, Natalizumab, Navicixizumab, Navivumab, Nebacumab, Necitumumab, Nemolizumab, Nerelimomab, Nesvacumab, Nimotuzumab, Nivolumab, Nofetumomab, Obiltoxaximab, Obinutuzumab, Ocaratuzumab, Ocrelizumab, Odulimomab, Ofatumumab, Olaratumab, Olaratumab, Olokizumab, Omalizumab, Onartuzumab, Ontuxizumab, Opicinumab, Oportuzumab monatox, Oregovomab, Orticumab, Otelixizumab, Otlertuzumab, Oxelumab, Ozanezumab, Ozoralizumab, Pagibaximab, Palivizumab, Pamrevlumab, Panitumumab, Pankomab, Panobacumab, Parsatuzumab, Pascolizumab, Pasotuxizumab, Pateclizumab, Patritumab, Pembrolizumab, Pemtumomab, Perakizumab, Pertuzumab, Pexelizumab, Pidilizumab, Pinatuzumab, Pintumomab, Placulumab, Plozalizumab, Pogalizumab, Polatuzumab, Ponezumab, Prezalizumab, Priliximab, Pritoxaximab, Pritumumab, PRO 140, Quilizumab, Racotumomab, Radretumab, Rafivirumab, Ralpancizumab, Ramucirumab, Ranibizumab, Raxibacumab, Refanezumab, Regavirumab, Reslizumab, Rilotumumab, Rinucumab, Risankizumab, Rituximab, Rivabazumab pegol, Robatumumab, Roledumab, Romosozumab, Rontalizumab, Rovalpituzumab, Rovelizumab, Ruplizumab, Sacituzumab, Samalizumab, Sapelizumab, Sarilumab, Satumomab pendetide, Secukinumab, Seribantumab, Setoxaximab, Sevirumab, Sibrotuzumab, SGN-CD19A, SGN-CD33A, Sifalimumab, Siltuximab, Simtuzumab, Siplizumab, Sirukumab, Sofituzumab vedotin, Solanezumab, Solitomab, Sonepcizumab, Sontuzumab, Stamulumab, Sulesomab, Suvizumab, tabalumab, Tacatuzumab, Tadocizumab, Talizumab, Tamtuvetmab, Tanezumab, Taplitumomab, Tarextumab, Tefibazumab, Telimomab aritox, Tenatumomab, Teneliximab, Teplizumab, Teprotumumab, Tesidolumab, Tetulomab, Tezepelumab, TGN1412, Ticilimumab, Tildrakizumab, Tigatuzumab, Timolumab, Tisotumab vedotin, TNX-650, Tocilizumab, Toralizumab, Tosatoxumab, Tositumomab, Tovetumab, Tralokinumab, Trastuzumab, TRBS07, Tregalizumab, Tremelimumab, Trevogrumab, Tucotuzumab, Tuvirumab, Ublituximab, Ulcocuplumab, Urelumab, Urtoxazumab, Ustekinumab, Vadastuximab talirine, Vandortuzumab vedotin, Vantictumab, Vanucizumab, Vapaliximab, Varlilumab, Vatelizumab, Vedolizumab, Veltuzumab, Vepalimomab, Vesencumab, Visilizumab, Vobarilizumab, Volociximab, Vorsetuzumab, Votumumab, Xentuzumab, Zalutumumab, Zanolimumab, Zatuximab, Ziralimumab and Zolimomab aritox.

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Bicistronic and/or Pseudo-Bicistronic Antibody Payloads

According to the present invention, a bicistronic payload is a polynucleotide encoding a two-protein chain antibody on a single polynucleotide strand. A pseudo-bicistronic payload is a polynucleotide encoding a single chain antibody discontinuously on a single polynucleotide strand. For bicistronic payloads, the encoded two strands or two portions/regions and/or domains (as is the case with pseudo-bicistronic) are separated by at least one nucleotide not encoding the strands or domains. More often the separation comprises a cleavage signal or site or a non-coding region of nucleotides. Such cleavage sites include, for example, furin cleavage sites encoded as an “RKR” site, or a modified furin cleavage site in the resultant polypeptide or any of those taught herein.

According to the present invention, a single domain payload comprises one or two polynucleotides encoding a single monomeric variable antibody domain. Typically, single domain antibodies comprise one variable domain (VH) of a heavy-chain antibody.

According to the present invention, a single chain Fv payloads is a polynucleotide encoding at least two coding regions and a linker region. The scFv payload may encode a fusion protein of the variable regions of the heavy (VH) and light chains (VL) of immunoglobulins, connected with a short linker peptide of ten to about 25 amino acids. The linker is usually rich in glycine for flexibility, as well as serine or threonine for solubility, and can either connect the N-terminus of the VH with the C-terminus of the VL, or vice versa. Other linkers include those known in the art and disclosed herein.

According to the present invention, a bispecific payload is a polynucleotide encoding portions or regions of two different antibodies. Bispecific payloads encode polypeptides which may bind two different antigens. Polynucleotides of the present invention may also encode trispecific antibodies having an affinity for three antigens.

For the purposes herein, an “antibody” may comprise a heavy and light variable domain as well as an Fc region. As used herein, the term “native antibody” usually refers to a heterotetrameric glycoprotein of about 150,000 daltons, composed of two identical light (L) chains and two identical heavy (H) chains. Genes encoding antibody heavy and light chains are known and segments making up each have been well characterized and described (Matsuda et al., The Journal of Experimental Medicine. 1998, 188(11): 2151-62 and Li et al., Blood, 2004, 103(12): 4602-4609; the content of each of which are herein incorporated by reference in their entirety). Each light chain is linked to a heavy chain by one covalent disulfide bond, while the number of disulfide linkages varies among the heavy chains of different immunoglobulin isotypes. Each heavy and light chain also has regularly spaced intrachain disulfide bridges. Each heavy chain has at one end a variable domain (VH) followed by a number of constant domains. Each light chain has a variable domain at one end (VL) and a constant domain at its other end; the constant domain of the light chain is aligned with the first constant domain of the heavy chain, and the light chain variable domain is aligned with the variable domain of the heavy chain.

As used herein, the term “variable domain” refers to specific antibody domains found on both the antibody heavy and light chains that differ extensively in sequence among antibodies and are used in the binding and specificity of each particular antibody for its particular antigen. Variable domains comprise hypervariable regions. As used herein, the term “hypervariable region” refers to a region within a variable domain comprising amino acid residues responsible for antigen binding. The amino acids present within the hypervariable regions determine the structure of the complementarity determining regions (CDRs) that become part of the antigen-binding site of the antibody. As used herein, the term “CDR” refers to a region of an antibody comprising a structure that is complimentary to its target antigen or epitope. Other portions of the variable domain, not interacting with the antigen, are referred to as framework (FW) regions. The antigen-binding site (also known as the antigen combining site or paratope) comprises the amino acid residues necessary to interact with a particular antigen. The exact residues making up the antigen-binding site are typically elucidated by co-crystallography with bound antigen, however computational assessments based on comparisons with other antibodies can also be used (Strohl, W. R. Therapeutic Antibody Engineering. Woodhead Publishing, Philadelphia Pa. 2012. Ch. 3, p 47-54, the contents of which are herein incorporated by reference in their entirety). Determining residues that make up CDRs may include the use of numbering schemes including, but not limited to, those taught by Kabat (Wu et al., JEM, 1970, 132(2):211-250 and Johnson et al., Nucleic Acids Res. 2000, 28(1): 214-218, the contents of each of which are herein incorporated by reference in their entirety), Chothia (Chothia and Lesk, J. Mol. Biol. 1987, 196, 901, Chothia et al., Nature, 1989, 342, 877, and Al-Lazikani et al., J. Mol. Biol. 1997, 273(4): 927-948, the contents of each of which are herein incorporated by reference in their entirety), Lefranc (Lefranc et al., Immunome Res. 2005, 1:3) and Honegger (Honegger and Pluckthun, J. Mol. Biol. 2001, 309(3): 657-70, the contents of which are herein incorporated by reference in their entirety).

VH and VL domains have three CDRs each. VL CDRs are referred to herein as CDR-L1, CDR-L2 and CDR-L3, in order of occurrence when moving from N- to C-terminus along the variable domain polypeptide. VH CDRs are referred to herein as CDR-H1, CDR-H2 and CDR-H3, in order of occurrence when moving from N- to C-terminus along the variable domain polypeptide. Each of CDRs has favored canonical structures with the exception of the CDR-H3, which comprises amino acid sequences that may be highly variable in sequence and length between antibodies resulting in a variety of three-dimensional structures in antigen-binding domains (Nikoloudis, et al., Peer J. 2014, 2: e456). In some cases, CDR-H3s may be analyzed among a panel of related antibodies to assess antibody diversity. Various methods of determining CDR sequences are known in the art and may be applied to known antibody sequences (Strohl, W. R. Therapeutic Antibody Engineering. Woodhead Publishing, Philadelphia Pa. 2012. Ch. 3, p 47-54, the contents of which are herein incorporated by reference in their entirety).

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As used herein, the term “Fv” refers to an antibody fragment comprising the minimum fragment on an antibody needed to form a complete antigen-binding site. These regions consist of a dimer of one heavy chain and one light chain variable domain in tight, non-covalent association. Fv fragments can be generated by proteolytic cleavage, but are largely unstable. Recombinant methods are known in the art for generating stable Fv fragments, typically through insertion of a flexible linker between the light chain variable domain and the heavy chain variable domain (to form a single chain Fv (scFv)) or through the introduction of a disulfide bridge between heavy and light chain variable domains (Strohl, W. R. Therapeutic Antibody Engineering. Woodhead Publishing, Philadelphia Pa. 2012. Ch. 3, p 46-47, the contents of which are herein incorporated by reference in their entirety).

As used herein, the term “monoclonal antibody” refers to an antibody obtained from a population of substantially homogeneous cells (or clones), i.e., the individual antibodies comprising the population are identical and/or bind the same epitope, except for possible variants that may arise during production of the monoclonal antibodies, such variants generally being present in minor amounts. In contrast to polyclonal antibody preparations that typically include different antibodies directed against different determinants (epitopes), each monoclonal antibody is directed against a single determinant on the antigen.

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As used herein, the term “humanized antibody” refers to a chimeric antibody comprising a minimal portion from one or more non-human (e.g., murine) antibody source(s) with the remainder derived from one or more human immunoglobulin sources. For the most part, humanized antibodies are human immunoglobulins (recipient antibody) in which residues from the hypervariable region from an antibody of the recipient are replaced by residues from the hypervariable region from an antibody of a non-human species (donor antibody) such as mouse, rat, rabbit or nonhuman primate having the desired specificity, affinity, and/or capacity. In one embodiment, the antibody may be a humanized full-length antibody. As a non-limiting example, the antibody may have been humanized using the methods taught in US Patent Publication NO. US20130303399, the contents of which are herein incorporated by reference in its entirety.

In some embodiments, pharmaceutical compositions, biocircuits, biocircuit components, effector modules including their SREs or payloads of the present invention may be antibody mimetics. As used herein, the term “antibody mimetic” refers to any molecule which mimics the function or effect of an antibody and which binds specifically and with high affinity to their molecular targets. In some embodiments, antibody mimetics may be monobodies, designed to incorporate the fibronectin type III domain (Fn3) as a protein scaffold (U.S. Pat. Nos. 6,673,901; 6,348,584). In some embodiments, antibody mimetics may be those known in the art including, but are not limited to affibody molecules, affilins, affitins, anticalins, avimers, Centyrins, DARPINS™, Fynomers and Kunitz and domain peptides. In other embodiments, antibody mimetics may include one or more non-peptide regions.

In some embodiments, payloads of the invention may encode multispecific antibodies that bind more than one epitope. As used herein, the terms “multibody” or “multispecific antibody” refer to an antibody wherein two or more variable regions bind to different epitopes. The epitopes may be on the same or different targets. In one embodiment, the multispecific antibody may be generated and optimized by the methods described in International Patent Publication NO. WO2011109726 and US Patent Publication NO. US20150252119, the contents of which each of which are herein incorporated by reference in their entirety. These antibodies are able to bind to multiple antigens with high specificity and high affinity.

In some embodiments, payloads may encode antibodies comprising a single antigen-binding domain. These molecules are extremely small, with molecular weights approximately one-tenth of those observed for full-sized mAbs. Further antibodies may include “nanobodies” derived from the antigen-binding variable heavy chain regions (VHHs) of heavy chain antibodies found in camels and llamas, which lack light chains (Nelson, A. L., MAbs.2010. January-February; 2(1):77-83).

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On example of miniaturized antibodies is called “unibody” in which the hinge region has been removed from IgG4 molecules. While IgG4 molecules are unstable and can exchange light-heavy chain heterodimers with one another, deletion of the hinge region prevents heavy chain-heavy chain pairing entirely, leaving highly specific monovalent light/heavy heterodimers, while retaining the Fc region to ensure stability and half-life in vivo. This configuration may minimize the risk of immune activation or oncogenic growth, as IgG4 interacts poorly with FcRs and monovalent unibodies fail to promote intracellular signaling complex formation (see, e.g., Nelson, A. L., MAbs, 2010. January-February; 2(1):77-83).

In some embodiments, payloads of the invention may encode single-domain antibodies (sdAbs, or nanobodies) which are antibody fragment consisting of a single monomeric variable antibody domain. Like a whole antibody, it is able to bind selectively to a specific antigen. In one aspect, a sdAb may be a “Camel Ig or “camelid VHH”. As used herein, the term “camel Ig” refers to the smallest known antigen-binding unit of a heavy chain antibody (Koch-No lte, et al, FASEB J., 2007, 21: 3490-3498). A “heavy chain antibody” or a “camelid antibody” refers to an antibody that contains two VH domains and no light chains (Riechmann L. et al, J. Immunol. Methods, 1999, 231: 25-38; International patent publication NOs. WO1994/04678 and WO1994/025591; and U.S. Pat. No. 6,005,079). In another aspect, a sdAb may be a “immunoglobulin new antigen receptor” (IgNAR). As used herein, the term “immunoglobulin new antigen receptor” refers to class of antibodies from the shark immune repertoire that consist of homodimers of one variable new antigen receptor (VNAR) domain and five constant new antigen receptor (CNAR) domains. IgNARs represent some of the smallest known immunoglobulin-based protein scaffolds and are highly stable and possess efficient binding characteristics. The inherent stability can be attributed to both (i) the underlying Ig scaffold, which presents a considerable number of charged and hydrophilic surface exposed residues compared to the conventional antibody VH and VL domains found in murine antibodies; and (ii) stabilizing structural features in the complementary determining region (CDR) loops including inter-loop disulphide bridges, and patterns of intra-loop hydrogen bonds.

In some embodiments, payloads of the invention may encode intrabodies. Intrabodies are a form of antibody that is not secreted from a cell in which it is produced, but instead targets one or more intracellular proteins. Intrabodies are expressed and function intracellularly, and may be used to affect a multitude of cellular processes including, but not limited to intracellular trafficking, transcription, translation, metabolic processes, proliferative signaling and cell division. In some embodiments, methods described herein include intrabody-based therapies. In some such embodiments, variable domain sequences and/or CDR sequences disclosed herein are incorporated into one or more constructs for intrabody-based therapy. For example, intrabodies may target one or more glycated intracellular proteins or may modulate the interaction between one or more glycated intracellular proteins and an alternative protein.

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In some aspects, payloads of the invention may encode biosynthetic antibodies as described in U.S. Pat. No. 5,091,513, the contents of which are herein incorporated by reference in their entirety. Such antibody may include one or more sequences of amino acids constituting a region which behaves as a biosynthetic antibody binding site (BABS). The sites comprise 1) non-covalently associated or disulfide bonded synthetic VH and VL dimers, 2) VH-VL or VL-VH single chains wherein the VH and VL are attached by a polypeptide linker, or 3) individuals VH or VL domains. The binding domains comprise linked CDR and FR regions, which may be derived from separate immunoglobulins. The biosynthetic antibodies may also include other polypeptide sequences which function, e.g., as an enzyme, toxin, binding site, or site of attachment to an immobilization media or radioactive atom. Methods are disclosed for producing the biosynthetic antibodies, for designing BABS having any specificity that can be elicited by in vivo generation of antibody, and for producing analogs thereof.

In some embodiments, payloads may encode antibodies with antibody acceptor frameworks taught in U.S. Pat. No. 8,399,625. Such antibody acceptor frameworks may be particularly well suited accepting CDRs from an antibody of interest.

In one embodiment, the antibody may be a conditionally active biologic protein. An antibody may be used to generate a conditionally active biologic protein which are reversibly or irreversibly inactivated at the wild type normal physiological conditions as well as to such conditionally active biologic proteins and uses of such conditional active biologic proteins are provided. Such methods and conditionally active proteins are taught in, for example, International Publication No. WO2015175375 and WO2016036916 and US Patent Publication No. US20140378660, the contents of each of which are incorporated herein by reference in their entirety.

Antibody Preparations

The antibodies and fragments and variants thereof as described herein can be produced using recombinant polynucleotides. In one embodiment, the polynucleotides have a modular design to encode at least one of the antibodies, fragments or variants thereof. As a non-limiting example, the polynucleotide construct may encode any of the following designs: (1) the heavy chain of an antibody, (2) the light chain of an antibody, (3) the heavy and light chain of the antibody, (4) the heavy chain and light chain separated by a linker, (5) the VH1, CH1, CH2, CH3 domains, a linker and the light chain or (6) the VH1, CH1, CH2, CH3 domains, VL region, and the light chain. Any of these designs may also comprise optional linkers between any domain and/or region. The polynucleotides of the present invention may be engineered to produce any standard class of immunoglobulins using an antibody described herein or any of its component parts as a starting molecule.

Recombinant antibody fragments may also be isolated from phage antibody libraries using techniques well known in the art and described in e.g. Clackson et al., 1991, Nature 352: 624-628; Marks et al., 1991, J. Mol. Biol. 222: 581-597. Recombinant antibody fragments may be derived from large phage antibody libraries generated by recombination in bacteria (Sblattero and Bradbury, 2000, Nature Biotechnology 18:75-80; the contents of which are incorporated herein by reference in its entirety).

Antibodies Used for Immunotherapy

In some embodiments, payloads of the present invention may be antibodies, fragments and variants thereof which are specific to tumor specific antigens (TSAs) and tumor associated antigens (TAAs). Antibodies circulate throughout the body until they find and attach to the TSA/TAA. Once attached, they recruit other parts of the immune system, increasing ADCC (antibody dependent cell-mediated cytotoxicity) and ADCP (antibody dependent cell-mediated phagocytosis) to destroy tumor cells. As used herein, the term “tumor specific antigen (TSA)” means an antigenic substance produced in tumor cells, which can trigger an anti-tumor immune response in a host organism. In one embodiment, a TSA may be a tumor neoantigen. The tumor antigen specific antibody mediates complement-dependent cytotoxic response against tumor cells expressing the same antigen.

In some embodiments, the tumor specific antigens (TSAs), tumor associated antigens (TAAs), pathogen associated antigens, or fragments thereof can be expressed as a peptide or as an intact protein or portion thereof. The intact protein or a portion thereof can be native or mutagenized. Antigens associated with cancers or virus-induced cancers as described herein are well-known in the art. Such a TSA or TAA may be previously associated with a cancer or may be identified by any method known in the art.

In one embodiment, the antigen is CD19, a B-cell surface protein expressed throughout B-cell development. CD19 is a well-known B cell surface molecule, which upon B cell receptor activation enhances B-cell antigen receptor induced signaling and expansion of B cell populations. CD19 is broadly expressed in both normal and neoplastic B cells. Malignancies derived from B cells such as chronic lymphocytic leukemia, acute lymphocytic leukemia and many non-Hodgkin lymphomas frequently retain CD19 expression. This near universal expression and specificity for a single cell lineage has made CD19 an attractive target for immunotherapies. Human CD19 has 14 exons wherein exon 1-4 encode the extracellular portion of the CD19, exon 5 encodes the transmembrane portion of CD19 and exons 6-14 encode the cytoplasmic tail.

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In one embodiment, payloads of the present invention may be antibodies, fragments and variants thereof which are specific to CD19 antigen.

In one embodiment, the payload of the invention may be a FMC63 antibody, antibody fragment of variant. FMC63 is an IgG2a mouse monoclonal antibody clone specific to the CD19 antigen that reacts with CD19 antigen on cells of the B cell lineage. The epitope of CD19 recognized by the FMC63 antibody is in exon 2 (Sotillo et al (2015) Cancer Discov; 5(12): 1282-95; the contents of which are incorporated by reference in their entirety). In some embodiments, the payload of the invention may be other CD19 monoclonal antibody clones including but not limited to 4G7, SJ25C1, CVID3/429, CVID3/155, HIB19, and J3-119.

In some embodiments, the payloads of the present invention may include variable heavy chain and variable light chain comprising the amino acid sequences selected from those in Table 9.

A tumor specific antigen (TSA) may be a tumor neoantigen. A neoantigen is a mutated antigen that is only expressed by tumor cells because of genetic mutations or alterations in transcription which alter protein coding sequences, therefore creating novel, foreign antigens. The genetic changes result from genetic substitution, insertion, deletion or any other genetic changes of a native cognate protein (i.e. a molecule that is expressed in normal cells). In the context of CD19, neoantigens such as a transcript variant of CD19 lacking exon 2 or lacking exon 5-6 or both have been described (see International patent publication No. WO2016061368; the contents of which are incorporated herein by reference in their entirety). Since FMC63 binding epitope is in exon 2, CD19 neoantigen lacking exon 2 is not recognized by FMC63 antibody. Thus, in some embodiments, payloads of the invention may include FMC63-distinct antibodies, or fragments thereof. As used herein “FMC63-distinct” refers, to an antibody or fragment thereof that is immunologically specific and binds to an epitope of the CD19 antigen that is different or unlike the epitope of CD19 antigen that is bound by FMC63. In some instances, antibodies of the invention may include CD19 antibodies, antibody fragments or variants that recognize CD19 neoantigens including the CD19 neoantigen lacking exon2. In one embodiment, the antibody or fragment thereof is immunologically specific to the CD19 encoded by exon 1, 3 and/or 4. In one example, the antibody or fragment thereof is specific to the epitope that bridges the portion of CD19 encoded by exon 1 and the portion of CD19 encoded by exon 3.

In one embodiment, the antigen may be GD2 ganglioside. In one embodiment, payloads of the present invention may be antibodies, fragments and variants thereof which are specific to GD2 antigen. Gangliosides expressed on the tumor cell surface can be targets for cancer immunotherapy. GD2 is a disialoganglioside with a molecular formula of C74H134N4032. Gangliosides are acidic glycosphingolipids found on the outer surface of most cell membranes. They are ideal targets for immunotherapy because of the high antigen density, lack of modulation, relative homogeneity in many tumors and the possibility of up regulation by cytokines. Many tumors have abnormal glycolipid composition and structure. GD2 has been found in a wide spectrum of human tumors, including those of neuroectodermal or epithelial origin, virtually all melanomas, and approximately 50% of tumor samples from osteosarcoma and soft tissue sarcoma. Antibodies with high affinity for GD2 include, but not limited to 1B7, 2H12, 1G2, 1E9, 1H3, 2F5, 2F7, 31F9, 31F9V2, 32E2, chl4.18, hul4.18, 3F8, 8B6, 4B5, 1A7, A1G4, GD2 mimotopes, hul4.18K322A, 5F11, 3G6, 14g2a, and 14.18. In one embodiment, the GD antibody is the 14g2a antibody (Mujoo K., et al. (1989) Cancer Res. 1; 49(11):2857-61; the contents of which are incorporated herein by reference in its entirety). Any of the GD2 antibodies described in Long A. H. et al. (2015) Nat Med. 21(6):581-90; the contents of which are incorporated by reference in their entirety).

In one embodiment, the antigen is HER2 antigen. In one embodiment, payloads of the present invention may be antibodies, fragments and variants thereof which are specific to HER2 antigen. HER2 is the oncogene product of human epidermal cell growth factor receptor 2 related oncogenes and is a transmembrane receptor protein having a molecular weight of 185 kDa and having a tyrosine kinase domain. HER2 is a member of the EGFR family consisting of HER1 (EGFR, ERBB1), HER2 (neu, ERBB-2), HER2 (ErbB-3), and Her4 (ErbB-4) and is known to be autophosphorylated at intracellular tyrosine residues by its homodimer formation or heterodimer formation with another EGFR receptor HER1, HER3, HER4 and is activated in this manner. Thereby playing an important role in cell growth, differentiation, and survival in normal cells and tumor cells. In some embodiments, HER2 antibodies useful in the present invention may include 3B5 (from Oncogene Science/BAYER), 2C4 (ATCC HB-12697), 7C2 (ATCC HB-12215), ApoB17F/ocHER2, 8A4 (ATCC PTA-4565), A10A12 (ATCC PTA-4566), 9G6, 7H4, A1OE9, A12D6, A6B12, A10E11, B3G4, A5C7, 13A11, 11C11, 13E11, Her2Bi (OKT3×9184), Her2Bi (OKT3×Herc), 7F3 (ATCC HB-12216), huMAb4D5-1, huMAb4D5-2, huMAb4D5-3, huMAb4D5-4, huMAb4D5-6, huMAb4D5-7, 520C9, CB-11 (from Novocastra Laboratories), NCLB12 (from Novocastra Laboratories), humanized 2C4 mutant 560, humanized 2C4 mutant 561, humanized 2C4 mutant 562, humanized 2C4 mutant 568, humanized 2C4 mutant 569, humanized 2C4 mutant 570, humanized 2C4 mutant 571, humanized 2C4 mutant 56869, 3E8, 3H4, Cl 11 (NeoMarkers), HER-81, 452F2, 736G9, 741F8, 758G5, 761B10, anti-p1185HER2/FcγRIII (CD16), anti-CD3/anti-p185HER2, Hu4D5-8 and variants, 4D5-H, CB11 (from Ventana Medical Scientific Instruments), 6E9, 2H11, 5B8, 7D3, HER50, HER66, HER70, scFv C6.5, scFv C6ML3-9 (ML3.9 or C6ML3.9), scFv C6MH3-B1 (B1 or C6MH3.B1), scFv C6-B1D2, (B1D2 or C6MH3-B1D2), ALM, L87, N28, N12, MGr6, 9GG.10 (Neomarkers), MGFc-5 (V379M), MGFc-9 (F243I, V379L), MGFc-10 (K288N, A330S, P396L), MGFc-13 (K334E, T359N, T366S), MGFc-27 (G316D, A378V, D399E), MGFc-37 (K248M), MGFc-39 (E293V Q295E, A327T), MGFc-38 (K392T, P396L), MGFc-41 (H268N, P396L), MGFc-23 (K334E, R292L), MGFc-44, MGFc-45, MDX-210, 17.6.4, HER2-PY1248, MAb74, FRP5, TAb250, HER-81, PN2A, mAb 191924 (R&D systems), IDM1, scFv23, Ab-3, Ab-5, 2502A, Rexomun, MAB-1129 (R&D systems), and MM-111. In one embodiment, antibodies with high affinity may be derived from any of the HER2 antibody heavy and light chain variables described in Table 7.

›DETAILED DESCRIPTION OF THE INVENTION · 28 of 58

In one embodiment of the present invention, the antigen is CD33. In one embodiment, payloads of the present invention may be antibodies, fragments and variants thereof which are specific to CD33 antigen. Acute myeloid leukemia (AML) is the second most common acute leukemia in the United States. The commonly applied therapy of leukemic disease includes irradiation and/or chemotherapy. However, very often 65-80% of patients receiving treatment relapse because the cells that survived the chemotherapy are enriched in AML leukemia stem cells (AML-LSCs), and constitute a reservoir of cells capable of re-expanding and causing a relapse. AML-LSCs express a characteristic set of cell surface antigens including among other CD33. CD33 (Sialic acid binding Ig-like lectin 3) or SIGLEC3 (UNIPROT ID: P20138) is a transmembrane receptor expressed on cells of myeloid lineage. It is usually considered myeloid specific, but it can also be found on some lymphoid cells. It binds to sialic acid, therefore is a member of the SIGLEC family of lectins. Exemplary antibodies targeting CD33 may include, but are not limited to M195, M2H12, DRB2, My 9-6. In one embodiment, the antibody is derived from My9.6. In some embodiments, antibodies with high affinity may be derived from any of the CD33 antibody heavy and light chain variables described in Table 10.

In one embodiment, the antigen of the present invention is a BCMA (B-cell maturation antigen), also referred to as the CD269. In one embodiment, payloads of the present invention may be antibodies, fragments and variants thereof which are specific to BCMA antigen. BCMA antigen (UNIPROT ID: Q02223) is encoded by the gene, TNFRS17. BCMA is a member of the TNF receptor super family. It binds to B cell activating factor (BAFF) and a proliferation inducing ligand (APRIL). Among non-malignant cells, BCMA has been reported to be expressed mostly by plasma cells and subsets of mature B cells, but not T cells and NK cells. Therefore, BCMA represents a suitable therapeutic candidate in the treatment of multiple myeloma. Exemplary antibodies targeting BCMA include, but are not limited to BCMA 50, BCMA30, C11D5.3 and C13F12.1. In one embodiment, the antibody is derived from C11D5.3. In some embodiments, antibodies with high affinity may be derived from any of the BCMA antibody heavy and light chain variables described in Table 10.

In one embodiment, the antigen of the present invention is a CD276 (also known as B7-H3). In one embodiment, payloads of the present invention may be antibodies, fragment, and variants thereof which are specific to CD276. CD276 is expressed in a variety of human tumors, including pediatric solid tumors and adult carcinomas. Any of the CD276 antibodies taught in International Patent publications WO2017044699 and WO2014160627 (the contents of which are incorporated herein by reference in their entirety), may be useful in the present invention. In some embodiments, antibodies with high affinity may be derived from any of the CD276 antibody heavy and light chain variables described in Table 10.

In one embodiment, the antigen of the present invention is a ALK protein. The developmentally-regulated cell surface receptor tyrosine kinase, ALK is known to be expressed as a tumor associated antigen as a fusion protein resulting from a chromosomal translocation. Cancer associated ALK was first described as a 2;5 translocation associated with nucleophosphomin (NPM) in anaplastic large cell leukemia. The fusion protein is composed of intracellular component of NPM fused to ALK. In some embodiments, the ALK antigen may be the extracellular portion of the protein. Any of the antibodies, fragment and variants specific to ALK may be useful in the present invention. In one embodiment, the ALK antibodies described in the International Patent Publication, WO2015069922 (the contents of which are incorporated by reference herein in its entirety). In some embodiments, antibodies with high affinity may be derived from any of the ALK antibody heavy and light chain variables described in Table 10.

In one embodiment, the antigen of the present invention is a CD22 antigen. In one embodiment, payloads of the present invention may be antibodies, fragment, and variants thereof which are specific to CD22. CD22 is a lineage restricted B cell antigen belonging to the immunoglobulin (Ig) superfamily. CD22 is expressed in 60-70% of B cell lymphomas and leukemias (e.g. B-chronic lymphocytic leukemia, hairy cell leukemia, acute lymphocytic leukemia (ALL) and Burkit's lymphoma) and is not present on the cell surface in early stages of B cell development or on to stem cells. In some embodiments, the antibodies, fragments, and variants thereof may be any of those taught in International Patent Publications, WO2016149578, WO2014065961, and WO2013059593A1 (the contents of each of which are incorporated by reference in its entirety). In some embodiments, antibodies with high affinity may be derived from any of the CD22 antibody heavy and light chain variables described in Table 10.

In some embodiments, the payloads of the present invention may include an antigen binding region comprising variable heavy chain and variable light chains with the amino acid sequences selected from those in Table 10.

3. Therapeutic Agents

In some embodiments, payloads of the present invention may be a therapeutic agent, such as a cancer therapeutic agent, an immunotherapeutic agent, an anti-pathogen agent or a gene therapy agent. In some aspects, the immunotherapeutic agent may be a TCR receptor, a chimeric antigen receptor (CAR), a chimeric switch receptor, an antagonist of a co-inhibitory molecule, an agonist of a co-stimulatory molecule, a cytokine, a cytokine receptor, a chemokine, a chemokine receptor, a metabolic factor, a homing receptor and a safety switch.

In some embodiments, payloads of the present invention may be chimeric antigen receptors (CARs) which when transduced into immune cells (e.g., T cells and NK cells), can re-direct the immune cells against the target (e.g., a tumor cell) which expresses a molecule recognized by the extracellular target moiety of the CAR.

›DETAILED DESCRIPTION OF THE INVENTION · 29 of 58

As used herein, the term “chimeric antigen receptor (CAR)” refers to a synthetic receptor that mimics TCR on the surface of T cells. In general, a CAR is composed of an extracellular targeting domain, a transmembrane domain/region and an intracellular signaling/activation domain. Cells such as T cells engineered to express a CAR can be redirected to attack target cells that express a molecule which can be recognized by the targeting moiety of the CAR. In a standard CAR receptor, the components: the extracellular targeting domain, transmembrane domain and intracellular signaling/activation domain, are linearly constructed as a single fusion protein. The extracellular region comprises a targeting domain/moiety (e.g., a scFv) that recognizes a specific tumor antigen or other tumor cell-surface molecules. The intracellular region may contain a signaling domain of TCR complex (e.g., the signal region of CD3c), and/or one or more costimulatory signaling domains, such as those from CD28, 4-1BB (CD137) and OX-40 (CD134). For example, a “first-generation CAR” only has the CD3ζ signaling domain, whereas in an effort to augment T-cell persistence and proliferation, costimulatory intracellular domains are added, giving rise to second generation CARs having a CD3ζ signal domain plus one costimulatory signaling domain, and third generation CARs having CD3ζ signal domain plus two or more costimulatory signaling domains. A CAR, when expressed by a T cell, endows the T cell with antigen specificity determined by the extracellular targeting moiety of the CAR. Recently, it is also desirable to add one or more elements such as homing and suicide genes to develop a more competent and safer architecture of CAR, so called the fourth-generation CAR.

A CAR may be capable of binding to a tumor specific antigen selected from 5T4, 707-AP, A33, AFP (α-fetoprotein), AKAP-4 (A kinase anchor protein 4), ALK, α5β1-integrin, androgen receptor, annexin II, alpha-actinin-4, ART-4, B1, B7H3, B7H4, BAGE (B melanoma antigen), BCMA, BCR-ABL fusion protein, beta-catenin, BKT-antigen, BTAA, CA-I (carbonic anhydrase I), CA50 (cancer antigen 50), CA125, CA15-3, CA195, CA242, calretinin, CAIX (carbonic anhydrase), CAMEL (cytotoxic T-lymphocyte recognized antigen on melanoma), CAM43, CAP-1, Caspase-8/m, CD4, CD5, CD7, CD19, CD20, CD22, CD23, CD25, CD27/m, CD28, CD30, CD33, CD34, CD36, CD38, CD40/CD154, CD41, CD44v6, CD44v7/8, CD45, CD49f, CD56, CD68KP1, CD74, CD79a/CD79b, CD103, CD123, CD133, CD138, CD171, cdc27/m, CDK4 (cyclin dependent kinase 4), CDKN2A, CDS, CEA (carcinoembryonic antigen), CEACAM5, CEACAM6, chromogranin, c-Met, c-Myc, coa-1, CSAp, CT7, CT10, cyclophilin B, cyclin B1, cytoplasmic tyrosine kinases, cytokeratin, DAM-10, DAM-6, dek-can fusion protein, desmin, DEPDC1 (DEP domain containing 1), E2A-PRL, EBNA, EGF-R (epidermal growth factor receptor), EGP-1 (epithelial glycoprotein-1) (TROP-2), EGP-2, EGP-40, EGFR (epidermal growth factor receptor), EGFRvIII, EF-2, ELF2M, EMMPRIN, EpCAM (epithelial cell adhesion molecule), EphA2, Epstein Barr virus antigens, Erb (ErbB 1; ErbB3; ErbB4), ETA (epithelial tumor antigen), ETV6-AML1 fusion protein, FAP (fibroblast activation protein), FBP (folate-binding protein), FGF-5, folate receptor a, FOS related antigen 1, fucosyl GM1, G250, GAGE (GAGE-1; GAGE-2), galactin, GD2 (ganglioside), GD3, GFAP (glial fibrillary acidic protein), GM2 (oncofetal antigen-immunogenic-1; OFA-I-1), GnT-V, Gp100, H4-RET, HAGE (helicase antigen), HER-2/neu, HIFs (hypoxia inducible factors), HIF-1α, HIF-2α, HLA-A2, HLA-A*0201-R170I, HLA-Al 1, HMWMAA, Hom/Mel-40, HSP70-2M (Heat shock protein 70), HST-2, HTgp-175, hTERT (or hTRT), human papillomavirus-E6/human papillomavirus-E7 and E6, iCE (immune-capture EIA), IGF-1R, IGH-IGK, IL2R, IL5, ILK (integrin-linked kinase), IMP3 (insulin-like growth factor II mRNA-binding protein 3), IRF4 (interferon regulatory factor 4), KDR (kinase insert domain receptor), KIAA0205, KRAB-zinc finger protein (KID)-3; KID31, KSA (17-1A), K-ras, LAGE, LCK, LDLR/FUT (LDLR-fucosyltransferaseAS fusion protein), LeY (Lewis Y), MAD-CT-1, MAGE (tyrosinase, melanoma-associated antigen) (MAGE-1; MAGE-3), melan-A tumor antigen (MART), MART-2/Ski, MC1R (melanocortin 1 receptor), MDM2, mesothelin, MPHOSPH1, MSA (muscle-specific actin), mTOR (mammalian targets of rapamycin), MUC-1, MUC-2, MUM-1 (melanoma associated antigen (mutated) 1), MUM-2, MUM-3, Myosin/m, MYL-RAR, NA88-A, N-acetylglucosaminyltransferase, neo-PAP, NF-KB (nuclear factor-kappa B), neurofilament, NSE (neuron-specific enolase), Notch receptors, NuMa, N-Ras, NY-BR-1, NY-CO-1, NY-ESO-1, Oncostatin M, OS-9, OY-TES1, p53 mutants, p190 minor bcr-abl, pl5(58), pl85erbB2, pl80erbB-3, PAGE (prostate associated gene), PAP (prostatic acid phosphatase), PAX3, PAX5, PDGFR (platelet derived growth factor receptor), cytochrome P450 involved in piperidine and pyrrolidine utilization (PIPA), Pml-RAR alpha fusion protein, PR-3 (proteinase 3), PSA (prostate specific antigen), PSM, PSMA (Prostate stem cell antigen), PRAME (preferentially expressed antigen of melanoma), PTPRK, RAGE (renal tumor antigen), Raf (A-Raf, B-Raf and C-Raf), Ras, receptor tyrosine kinases, RCAS1, RGSS, ROR1 (receptor tyrosine kinase-like orphan receptor 1), RU1, RU2, SAGE, SART-1, SART-3, SCP-1, SDCCAG16, SP-17 (sperm protein 17), src-family, SSX (synovial sarcoma X breakpoint)-1, SSX-2(HOM-MEL-40), SSX-3, SSX-4, SSX-5, STAT-3, STAT-5, STAT-6, STEAD, STn, survivin, syk-ZAP70, TA-90 (Mac-2 binding protein\cyclophilin C-associated protein), TAAL6, TACSTD1 (tumor associated calcium signal transducer 1), TACSTD2, TAG-72-4, TAGE, TARP (T cell receptor gamma alternate reading frame protein), TEL/AML1 fusion protein, TEM1, TEM8 (endosialin or CD248), TGFβ, TIE2, TLP, TMPRSS2 ETS fusion gene, TNF-receptor (TNF-α receptor, TNF-β receptor; or TNF-γ receptor), transferrin receptor, TPS, TRP-1 (tyrosine related protein 1), TRP-2, TRP-2/INT2, TSP-180, VEGF receptor, WNT, WT-1 (Wilm's tumor antigen) and XAGE.

›DETAILED DESCRIPTION OF THE INVENTION · 30 of 58

Exemplary CAR constructs may include a CAR targeting mesothelin (U.S. Pat. Nos. 9,272,002 and 9,359,447); EGFRvIII specific CARs in U.S. Pat. No. 9,266,960; anti-TAG CARs in U.S. Pat. No. 9,233,125; CD19 CARs in US Patent Publication NO. 2016/014533; CD19 CAR having the amino acid sequence of SEQ ID NO. 24 of U.S. Pat. No. 9,328,156; CD19 CARs in U.S. Pat. Nos. 8,911,993, 8,975,071, 9,101,584, 9,102,760, and 9,102,761; BCMA (CD269) specific CARs disclosed in International Patent Publication NOs. WO2016/014565 and WO2016/014789; CLL-1 (C-type lectin-like molecule 1) CARs comprising the amino acid sequences of SEQ ID NOs. 99, 96, 100, 101, 102, 91, 92, 93, 94, 95, 97, 98, 103, and 197 disclosed in International Patent Publication NO. WO2016/014535; CD33 specific CARs comprising the amino acid sequences of SEQ ID NOs. 48-56 in International Patent Publication NO. WO2016/014576; CD33 specific CARs comprising the amino acid sequences of SEQ ID NOs. 19-22, 27-30 and 35-38 in International Patent Publication NO. WO2015/150526; CD37 specific CARs encoded by the nucleic acids of SEQ ID NOs. 1-5 in US patent publication NO. US2015/0329640; GPC3 CAR (International patent publication NO. WO2016/036973), GFRalpha 4 CARs having the amino acid sequences of SEQ ID NOs. 85, 86, 90, 92, 94, 96, 98, 100, 102, and 104 in International Patent Publication NO. WO2016/025880; CD123 CARs comprising the amino acid sequences of SEQ ID NOs. 98, 99, 100 and 101 in International Patent Publication NOs. WO2016/028896; CD123 specific multi-chain CARs in International Patent Publication NO. WO2015/193406; ROR-1 specific CARs comprising the amino acid sequences of SEQ ID NOs. 93, 95 and 117 in International Patent Publication NO. WO2016/016344; ROR-1 specific multi-chain CARs in International patent publication NO. WO2016/016343; trophoblast glycoprotein (5T4, TPBG) specific CARs comprising the amino acid sequences of SEQ ID NOs. 21, 27, 33, 39, 23, 29, 34, 41, 19, 25, 31, 37, 20, 26, 32, 38, 22, 28, 34, 40, 24, 30, 36 and 42 in International Patent Publication NO. WO2016/034666; EGFRvIII specific CARs comprising the amino acid sequences of SEQ ID NOs. 15, 17, 24, 25, 26 and 27 in International Patent Publication NO. WO2016016341; a TEM 8 CAR comprising the amino acid sequence of SEQ ID NO. 1 in International Patent Publication NO. WO2014164544, a TEM1 CAR comprising the amino acid sequence of SEQ ID NO. 2 in International Patent Publication NO. WO2014164544; GPC-3 CAR having the amino acid sequences of SEQ ID NOs. 3 and 26 in International Patent Publication NO. WO2016/049459; a chondroitin sulfate proteoglycan-4 (CSPG4) CAR in International Patent Publication NO. WO2015/080981; Kappa/lambda CARs in International Patent Publication NO. WO2015/164739; the contents of each of which are incorporated herein by reference in their entirety.

In some embodiments, the CAR constructs may include CAIX (carboxy-anhydrase-IX (CAIX) specific CAR (Lamers et al., Biochem Soc Trans, 2016, 44(3): 951-959), HIV-1 specific CAR (Ali et al., J Virol., 2016, May 25, pii: JVI.00805-16), CD20 specific CAR (Rufener et al., Cancer Immunol. Res., 2016, 4(6): 509-519), a CD20/CD19 bispecific CAR (Zah et al., Cancer Immunol Res., 2016, 4(6): 498-508), and EGFR specific CARs; the contents of each of which are incorporated herein by reference in their entirety.

In one embodiment of the present invention, the payload of the invention is a CD19 specific CAR operably linked to human DHFR DD. In some embodiments, the amino acid sequences of the CD19 CAR may comprise the components and sequences listed in Table 11. Nucleic acid sequences encoding the amino acid sequences are also described in Table 11. In the Table, the transmembrane domain is underlined to differentiate it from the adjacent sequence components. In Table 11, the amino acid sequences may comprise a stop codon at the end which is denoted in the table with a “*”. In the Table 11, constructs OT-CD19N-008 to OT-CD19-011 are driven by a CMV promoter and constructs OT-CD19-014 and 015 are driven by an EF1a promoter. The position of the mutated amino acids listed in Table 11 is relative to the wildtype human DHFR (Uniprot ID: P00374) of SEQ ID NO. 1.

Constructs disclosed in Table 11, which are transcriptionally controlled by a CMV promoter, in some instances may be placed under the transcriptional control of a different promoter to test the role of promoters in CD19 CAR expression. In one embodiment, the CMV promoter may be replaced by an EF1a promoter. In another embodiment, the CMV promoter of the CD19 CAR, OT-CD19C-008 construct, may be replaced to generate OT-CD19C-024 construct, with a EF1a promoter. In another embodiment, the CMV promoter of the CD19 CAR, OT-CD19C-009 construct, may be replaced to generate OT-CD19C-025 construct, with a EF1a promoter.

In some embodiments, the extracellular targeting domain is joined through the hinge (also called space domain or spacer) and transmembrane regions to an intracellular signaling domain. The hinge connects the extracellular targeting domain to the transmembrane domain which transverses the cell membrane and connects to the intracellular signaling domain. The hinge may need to be varied to optimize the potency of CAR transformed cells toward cancer cells due to the size of the target protein where the targeting moiety binds, and the size and affinity of the targeting domain itself. Upon recognition and binding of the targeting moiety to the target cell, the intracellular signaling domain leads to an activation signal to the CAR T cell, which is further amplified by the “second signal” from one or more intracellular costimulatory domains. The CAR T cell, once activated, can destroy the target cell.

In some embodiments, the CAR of the present invention may be split into two parts, each part is linked a dimerizing domain, such that an input that triggers the dimerization promotes assembly of the intact functional receptor. Wu and Lim recently reported a split CAR in which the extracellular CD19 binding domain and the intracellular signaling element are separated and linked to the FKBP domain and the FRB* (T2089L mutant of FKBP-rapamycin binding) domain that heterodimerize in the presence of the rapamycin analog AP21967. The split receptor is assembled in the presence of AP21967 and together with the specific antigen binding, activates T cells (Wu et al., Science, 2015, 625(6258): aab4077).

›DETAILED DESCRIPTION OF THE INVENTION · 31 of 58

In some embodiments, the CAR of the present invention may be designed as an inducible CAR. Sakemura et al recently reported the incorporation of a Tet-On inducible system to the CD19 CAR construct. The CD19 CAR is activated only in the presence of doxycycline (Dox). Sakemura reported that Tet-CD19CAR T cells in the presence of Dox were equivalently cytotoxic against CD19 + cell lines and had equivalent cytokine production and proliferation upon CD19 stimulation, compared with conventional CD19CAR T cells (Sakemura et al., Cancer Immuno. Res., 2016, Jun. 21, Epub ahead of print). In one example, this Tet-CAR may be the payload of the effector module under the control of SREs (e.g., DDs) of the invention. The dual systems provide more flexibility to turn-on and off of the CAR expression in transduced T cells.

According to the present invention, the payload of the present invention may be a first-generation CAR, or a second-generation CAR, or a third-generation CAR, or a fourth-generation CAR. Representative effector module embodiments comprising CAR constructs are illustrated in FIG. 13 - FIG. 18 . In some embodiments, the payload of the present invention may be a full CAR construct composed of the extracellular domain, the hinge and transmembrane domain and the intracellular signaling region. In other embodiments, the payload of the present invention may be a component of the full CAR construct including an extracellular targeting moiety, a hinge region, a transmembrane domain, an intracellular signaling domain, one or more co-stimulatory domain, and other additional elements that improve CAR architecture and functionality including but not limited to a leader sequence, a homing element and a safety switch, or the combination of such components.

CARs regulated by biocircuits and compositions of the present invention are tunable and thereby offer several advantages. The reversible on-off switch mechanism allows management of acute toxicity caused by excessive CAR-T cell expansion. Pulsatile CAR expression using SREs of the present invention may be achieved by cycling ligand level. The ligand conferred regulation of the CAR may be effective in offsetting tumor escape induced by antigen loss, avoiding functional exhaustion caused by tonic signaling due to chronic antigen exposure and improving the persistence of CAR expressing cells in vivo.

In some embodiments, biocircuits and compositions of the invention may be utilized to down regulate CAR expression to limit on target on tissue toxicity caused by tumor lysis syndrome. Down regulating the expression of the CARs of the present invention following anti-tumor efficacy may prevent (1) On target off tumor toxicity caused by antigen expression in normal tissue, (2) antigen independent activation in vivo.

In one embodiment, selection of a CAR with a lower affinity may provide more T cell signaling and less toxicity.

Extracellular Targeting Domain/Moiety

In accordance with the invention, the extracellular target moiety of a CAR may be any agent that recognizes and binds to a given target molecule, for example, a neoantigen on tumor cells, with high specificity and affinity. The target moiety may be an antibody and variants thereof that specifically binds to a target molecule on tumor cells, or a peptide aptamer selected from a random sequence pool based on its ability to bind to the target molecule on tumor cells, or a variant or fragment thereof that can bind to the target molecule on tumor cells, or an antigen recognition domain from native T-cell receptor (TCR) (e.g. CD4 extracellular domain to recognize HIV infected cells), or exotic recognition components such as a linked cytokine that leads to recognition of target cells bearing the cytokine receptor, or a natural ligand of a receptor.

In some embodiments, natural ligands may be used as the targeting moieties of the CARs of the present invention. Such natural ligands may be capable of binding to the antigens with affinity in the range of the scFvs and can redirect T cells specificity and effector functions to target cells expressing the complementary receptor. In some embodiments, the targeting moiety of the CAR may be neuregulin-1 (NRG1) which is a natural ligand for HER3 and HER4; VEGF which is a natural ligand of VEGFR; IL13 wildtype protein or IL13 mutein e.g. E13Y which binds to IL13Ra2; NKG2D ligand, which is a natural ligand of NKG2D receptor; CD70 which is ligand of CD27; and a proliferation-inducing ligand (APRIL) which is a natural high affinity ligand for BCMA8 and transmembrane activator and CAML interactor (TACI). Any of the ligand based BCMA CARs taught in the US Patent Publication No. US20160362467A1, the contents of which are incorporated by reference in their entirety.

In one embodiment, the targeting moiety of the CAR may recognize antigen such as, but not limited to a ganglioside, a growth factor receptor, a lectin or any other cell surface antigen. In some embodiments, any of the sequences described in Table 10 or Table 11 may be useful in the present invention.

In some embodiments, the targeting domain of a CAR may be a Ig NAR, a Fab fragment, a Fab′ fragment, a F(ab)′2 fragment, a F(ab)′3 fragment, Fv, a single chain variable fragment (scFv), a bis-scFv, a (scFv)2, a minibody, a diabody, a triabody, a tetrabody, a disulfide stabilized Fv protein (dsFv), a unitbody, a nanobody, or an antigen binding region derived from an antibody that specifically recognizes a target molecule, for example a tumor specific antigen (TSA). In one embodiment, the targeting moiety is a scFv antibody. The scFv domain, when it is expressed on the surface of a CAR T cell and subsequently binds to a target protein on a cancer cell, is able to maintain the CAR T cell in proximity to the cancer cell and to trigger the activation of the T cell. A scFv can be generated using routine recombinant DNA technology techniques and is discussed in the present invention.

In one embodiment, the targeting moiety of the CAR may recognize CD19. CD19 is a well-known B cell surface molecule, which upon B cell receptor activation enhances B-cell antigen receptor induced signaling and expansion of B cell populations. CD19 is broadly expressed in both normal and neoplastic B cells. Malignancies derived from B cells such as chronic lymphocytic leukemia, acute lymphocytic leukemia and many non-Hodgkin lymphomas frequently retain CD19 expression. This near universal expression and specificity for a single cell lineage has made CD19 an attractive target for immunotherapies. Human CD19 has 14 exons wherein exon 1-4 encode the extracellular portion of the CD19, exon 5 encodes the transmembrane portion of CD19 and exons 6-14 encode the cytoplasmic tail. In one embodiment, the targeting moiety may comprise scFvs derived from the variable regions of the FMC63 antibody. FMC63 is an IgG2a mouse monoclonal antibody clone specific to the CD19 antigen that reacts with CD19 antigen on cells of the B lineage. The epitope of CD19 recognized by the FMC63 antibody is in exon 2 (Sotillo et al (2015) Cancer Discov; 5(12):1282-95; the contents of which are incorporated by reference in their entirety). In some embodiments, the targeting moiety of the CAR may be derived from the variable regions of other CD19 monoclonal antibody clones including but not limited to 4G7, SJ25C1, CVID3/429, CVID3/155, HIB19, and J3-119.

›DETAILED DESCRIPTION OF THE INVENTION · 32 of 58

In some embodiments, the targeting moiety of a CAR may recognize a tumor specific antigen (TSA), for example a cancer neoantigen that is only expressed by tumor cells because of genetic mutations or alterations in transcription which alter protein coding sequences, therefore creating novel, foreign antigens. The genetic changes result from genetic substitution, insertion, deletion or any other genetic changes of a native cognate protein (i.e. a molecule that is expressed in normal cells). In the context of CD19, TSAs may include a transcript variant of human CD19 lacking exon 2 or lacking exon 5-6 or both (see International patent publication No. WO2016061368; the contents of which are incorporated herein by reference in their entirety). Since FMC63 binding epitope is in exon 2, CD19 lacking exon 2 is not recognized by FMC63 antibody. Thus, in some embodiments, the targeting moiety of the CAR may be an FMC63-distinct scFV. As used herein “FMC63-distinct” refers, to an antibody, scFv or a fragment thereof that is immunologically specific and binds to an epitope of the CD19 antigen that is different or unlike the epitope of CD19 antigen that is bound by FMC63. In some instances, targeting moiety may recognize a CD19 antigen lacking exon2. In one embodiment, the targeting moiety recognizes a fragment of CD19 encoded by exon 1, 3 and/or 4. In one example, the targeting moiety recognizes the epitope that bridges the portion of CD19 encoded by exon 1 and the portion of CD19 encoded by exon 3.

In some embodiments, the targeting moieties of the present invention may be scFv comprising the amino acid sequences in Table 12.

In some embodiments, the targeting moieties of the present invention may be scFv comprising the amino acid sequences in Table 13.

Intracellular Signaling Domains

The intracellular domain of a CAR fusion polypeptide, after binding to its target molecule, transmits a signal to the immune effector cell, activating at least one of the normal effector functions of immune effector cells, including cytolytic activity (e.g., cytokine secretion) or helper activity. Therefore, the intracellular domain comprises an “intracellular signaling domain” of a T cell receptor (TCR).

In some aspects, the entire intracellular signaling domain can be employed. In other aspects, a truncated portion of the intracellular signaling domain may be used in place of the intact chain as long as it transduces the effector function signal.

In some embodiments, the intracellular signaling domain of the present invention may contain signaling motifs which are known as immunoreceptor tyrosine-based activation motifs (ITAMs). Examples of ITAM containing cytoplasmic signaling sequences include those derived from TCR CD3zeta, FcR gamma, FcR beta, CD3 gamma, CD3 delta, CD3 epsilon, CD5, CD22, CD79a, CD79b, and CD66d. In one example, the intracellular signaling domain is a CD3 zeta (CD3ζ) signaling domain.

In some embodiments, the intracellular region of the present invention further comprises one or more costimulatory signaling domains which provide additional signals to the immune effector cells. These costimulatory signaling domains, in combination with the signaling domain can further improve expansion, activation, memory, persistence, and tumor-eradicating efficiency of CAR engineered immune cells (e.g., CAR T cells). In some cases, the costimulatory signaling region contains 1, 2, 3, or 4 cytoplasmic domains of one or more intracellular signaling and/or costimulatory molecules. The costimulatory signaling domain may be the intracellular/cytoplasmic domain of a costimulatory molecule, including but not limited to CD2, CD7, CD27, CD28, 4-1BB (CD137), OX40 (CD134), CD30, CD40, ICOS (CD278), GITR (glucocorticoid-induced tumor necrosis factor receptor), LFA-1 (lymphocyte function-associated antigen-1), LIGHT, NKG2C, B7-H3. In one example, the costimulatory signaling domain is derived from the cytoplasmic domain of CD28. In another example, the costimulatory signaling domain is derived from the cytoplasmic domain of 4-1BB (CD137). In another example, the co-stimulatory signaling domain may be an intracellular domain of GITR as taught in U.S. Pat. No. 9,175,308; the contents of which are incorporated herein by reference in its entirety.

In some embodiments, the intracellular region of the present invention may comprise a functional signaling domain from a protein selected from the group consisting of an MHC class I molecule, a TNF receptor protein, an immunoglobulin-like protein, a cytokine receptor, an integrin, a signaling lymphocytic activation protein (SLAM) such as CD48, CD229, 2B4, CD84, NTB-A, CRACC, BLAME, CD2F-10, SLAMF6, SLAMF7, an activating NK cell receptor, BTLA, a Toll ligand receptor, OX40, CD2, CD7, CD27, CD28, CD30, CD40, CDS, ICAM-1, LFA-1 (CD11a/CD18), 4-1BB (CD137), B7-H3, CDS, ICAM-1, ICOS (CD278), GITR, BAFFR, LIGHT, HVEM (LIGHTR), SLAMF7, NKp80 (KLRF1), NKp44, NKp30, NKp46, CD19, CD4, CD8alpha, CD8beta, IL2R beta, IL2R gamma, IL7R alpha, IL15Ra, ITGA4, VLA1, CD49a, ITGA4, IA4, CD49D, ITGA6, VLA-6, CD49f, ITGAD, CD1 d, ITGAE, CD103, ITGAL, CD11a, LFA-1, ITGAM, CD11b, ITGAX, CD11c, ITGB1, CD29, ITGB2, CD18, LFA-1, ITGB7, NKG2D, NKG2C, NKD2C SLP76, TNFR2, TRANCE/RANKL, DNAM1 (CD226), SLAMF4 (CD244, 2B4), CD84, CD96 (Tactile), CEACAM1, CRTAM, Ly9 (CD229), CD160 (BY55), PSGL1, CD100 (SEMA4D), CD69, SLAMF6 (NTB-A, Ly108), SLAM (SLAMF1, CD150, IPO-3), BLAME (SLAMF8), SELPLG (CD162), LTBR, LAT, CD270 (HVEM), GADS, SLP-76, PAG/Cbp, CD19a, a ligand that specifically binds with CD83, DAP 10, TRIM, ZAP70, Killer immunoglobulin receptors (KIRs) such as KIR2DL1, KIR2DL2/L3, KIR2DL4, KIR2DL5A, KIR2DL5B, KIR2DS1, KIR2DS2, KIR2DS3, KIR2DS4, KIR2DS5, KIR3DL1/S1, KIR3DL2, KIR3DL3, and KIR2DP1; lectin related NK cell receptors such as Ly49, Ly49A, and Ly49C.

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In some embodiments, the intracellular signaling domain of the present invention may contain signaling domains derived from JAK-STAT. In other embodiments, the intracellular signaling domain of the present invention may contain signaling domains derived from DAP-12 (Death associated protein 12) (Topfer et al., Immunol., 2015, 194: 3201-3212; and Wang et al., Cancer Immunol., 2015, 3: 815-826). DAP-12 is a key signal transduction receptor in NK cells. The activating signals mediated by DAP-12 play important roles in triggering NK cell cytotoxicity responses toward certain tumor cells and virally infected cells. The cytoplasmic domain of DAP12 contains an Immunoreceptor Tyrosine-based Activation Motif (ITAM). Accordingly, a CAR containing a DAP12-derived signaling domain may be used for adoptive transfer of NK cells.

In some embodiments, T cells engineered with two or more CARs incorporating distinct co-stimulatory domains and regulated by distinct DD may be used to provide kinetic control of downstream signaling.

In some embodiments, the intracellular domain of the present invention may comprise amino acid sequences of Table 14.

Transmembrane Domains

In some embodiments, the CAR of the present invention may comprise a transmembrane domain. As used herein, the term “Transmembrane domain (TM)” refers broadly to an amino acid sequence of about 15 residues in length which spans the plasma membrane. More preferably, a transmembrane domain includes at least 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, or 45 amino acid residues and spans the plasma membrane. In some embodiments, the transmembrane domain of the present invention may be derived either from a natural or from a synthetic source. The transmembrane domain of a CAR may be derived from any naturally membrane-bound or transmembrane protein. For example, the transmembrane region may be derived from (i.e. comprise at least the transmembrane region(s) of) the alpha, beta or zeta chain of the T-cell receptor, CD3 epsilon, CD4, CD5, CD8, CD8a, CD9, CD16, CD22, CD33, CD28, CD37, CD45, CD64, CD80, CD86, CD134, CD137, CD152, or CD154.

Alternatively, the transmembrane domain of the present invention may be synthetic. In some aspects, the synthetic sequence may comprise predominantly hydrophobic residues such as leucine and valine.

In some embodiments, the transmembrane domain of the present invention may be selected from the group consisting of a CD8a transmembrane domain, a CD4 transmembrane domain, a CD 28 transmembrane domain, a CTLA-4 transmembrane domain, a PD-1 transmembrane domain, and a human Ig G4 Fc region. As non-limiting examples, the transmembrane domain may be a CTLA-4 transmembrane domain comprising the amino acid sequences of SEQ ID NOs.: 1-5 of International Patent Publication NO.: WO2014/100385; and a PD-1 transmembrane domain comprising the amino acid sequences of SEQ ID NOs.: 6-8 of International Patent Publication NO.: WO2014100385; the contents of each of which are incorporated herein by reference in their entirety.

In some embodiments, the CAR of the present invention may comprise an optional hinge region (also called spacer). A hinge sequence is a short sequence of amino acids that facilitates flexibility of the extracellular targeting domain that moves the target binding domain away from the effector cell surface to enable proper cell/cell contact, target binding and effector cell activation (Patel et al., Gene Therapy, 1999; 6: 412-419). The hinge sequence may be positioned between the targeting moiety and the transmembrane domain. The hinge sequence can be any suitable sequence derived or obtained from any suitable molecule. The hinge sequence may be derived from all or part of an immunoglobulin (e.g., IgG1, IgG2, IgG3, IgG4) hinge region, i.e., the sequence that falls between the CHI and CH2 domains of an immunoglobulin, e.g., an IgG4 Fc hinge, the extracellular regions of type 1 membrane proteins such as CD8a CD4, CD28 and CD7, which may be a wild type sequence or a derivative. Some hinge regions include an immunoglobulin CH3 domain or both a CH3 domain and a CH2 domain. In certain embodiments, the hinge region may be modified from an IgG1, IgG2, IgG3, or IgG4 that includes one or more amino acid residues, for example, 1, 2, 3, 4 or 5 residues, substituted with an amino acid residue different from that present in an unmodified hinge. Table 15 provides various transmembrane regions that can be used in the CARs described herein.

Hinge region sequences useful in the present invention are provided in Table 16.

Hinge and transmembrane region sequences useful in the present invention are provided in Table 17.

In some embodiments, the CAR of the present invention may comprise one or more linkers between any of the domains of the CAR. The linker may be between 1-30 amino acids long. In this regard, the linker may be 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29 or 30 amino acids in length. In other embodiments, the linker may be flexible.

In some embodiments, the CH2CH3 may be preferentially excluded from the chimeric antigen structure to elicit a higher TNFa response as disclosed in WO2016149578 (the contents of which are herein incorporated by reference). In some constructs a CH2CH3 structural domain is included. This domain extends the scFV away from the plasma membrane extracellular surface, and allows for the efficient detection of transduced T cells with anti-IgG Fc-specific antibody. CAR constructs which include CH2CH3 domain are disclosed in WO2015069922A3 (the contents of which are incorporated herein by reference in its entirety).

In some embodiments, the components including the targeting moiety, transmembrane domain and intracellular signaling domains of the present invention may be constructed in a single fusion polypeptide. The fusion polypeptide may be the payload of an effector module of the invention. In some embodiments, more than one CAR fusion polypeptides may be included in an effector module, for example, two, three or more CARs may be included in the effector module under the control of a single SRE (e.g., a DD). Representative effector modules comprising the CAR payload are illustrated in FIG. 2 - FIG. 6 .

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In some embodiments, the CAR sequences may be selected from Table 18.

In some embodiments, the CAR sequences may be selected from Table 19.

In one embodiment of the present invention, the payload of the invention is a CD19 specific CAR targeting different B cell. In the context of the invention, an effector module may comprise a hDHFR DD, ecDHFR DD, or FKBP DD operably linked to a CD19 CAR fusion construct. In some instances, the promoter utilized to drive the expression of the effector module in the vector may be a CMV promoter or an EF1a. The efficiency of the promoter in driving the expression of the same construct may be compared. For example, two constructs that differ only by their promoter, CMV (in OT-CD19N-001) or EF1a promoter (in OT-CD19N-017) may be compared. The amino acid sequences of CD19 CAR constructs and its components are presented in Table 20 and Table 21. The amino acid sequences in Table 20 and/or Table 21 may comprise a stop codon which is denoted in the table with a “*” at the end of the amino acid sequence.

Constructs disclosed in Table 20 which are transcriptionally controlled by a CMV promoter, in some instances may be placed under the transcriptional control of a different promoter to test the role of promoters in CD19 CAR expression. In one embodiment, the CMV promoter may be replaced by an EF1a promoter. In one embodiment, the CMV promoter of the, OT-CD19-001 construct, may be replaced to generate OT-CD19N-017 construct, with a EF1a promoter. In another embodiment, the CMV promoter of the CD19 CAR, OT-CD19 CAR-002 construct, may be replaced to generate OT-CD19N-018 construct, with a EF1a promoter. In another embodiment, the CMV promoter of the CD19 CAR, OT-CD19 CAR-003 construct, may be replaced to generate OT-CD19N-019 construct, with a EF1a promoter. In another embodiment, the CMV promoter of the CD19 CAR, OT-CD19 CAR-004 construct, may be replaced to generate OT-CD19N-020 construct, with a EF1a promoter. In another embodiment, the CMV promoter of the CD19 CAR, OT-CD19 CAR-005 construct, may be replaced to generate OT-CD19N-021 construct, with a EF1a promoter. In another embodiment, the CMV promoter of the CD19 CAR, OT-CD19 CAR-006 construct, may be replaced to generate OT-CD19N-022 construct, with a EF1a promoter. In another embodiment, the CMV promoter of the CD19 CAR, OT-CD19 CAR-007 construct, may be replaced to generate OT-CD19N-023 construct, with a EF1a promoter. In another embodiment, the CMV promoter of the CD19 CAR, OT-CD19 CAR-008 construct, may be replaced to generate OT-CD19N-024 construct, with a EF1a promoter. In another embodiment, the CMV promoter of the CD19 CAR, OT-CD19 CAR-009 construct, may be replaced to generate OT-CD19N-025 construct, with a EF1a promoter.

In one embodiment, the CAR construct comprises a CD19 scFV (e.g., CAT13.1E10 or FMC63), a CD8a spacer or transmembrane domain, and a 4-1BB and CD3 endodomain. These constructs with CAT13.1E10 may have increased proliferation after stimulation in vitro, increased cytotoxicity against the CD19+ targets, and increased effector and target interactions as compared to constructs with FMC63.

In some embodiments, the payloads of the present invention may be tuned using the catalytic domains of the E3 ubiquitin ligases. The catalytic domains of E3 ligases may be fused to an antibody or a fragment of the antibody. The payload is fused to the antigen recognized by the antibody or a fragment of the antibody that is fused to the E3 ligases catalytic domain. The E3 ligases useful in the present invention include, but are not limited to Ring E3 ligase, HECT E3 ligases and RBR E3 ligases. Any of the methods taught by Kanner S A et al. (2017) eLife; 6: e29744 may be useful in the present invention (the contents of which are incorporated by reference in their entirety).

In some embodiments, the payloads described herein, may be regulated by E3 ubiquitin ligases constructs. The E3 ligases constructs may comprise the catalytic domain of E3 ligases fused to an SRE and an antibody or a fragment of an antibody. The payloads are fused to the antigen recognized by the antibody or a fragment of an antibody, that is appended to the catalytic domain of E3 ligases. In the absence of the stimulus corresponding to the SRE, the E3 ubiquitin ligases constructs are destabilized, which in turn, allows the expression of the payloads fused to the antigen. In the presence of ligand corresponding to the SRE, the E3 ubiquitin ligases constructs are stabilized and available to bind to the antigen fused to the payloads. Binding of the E3 ligases constructs to the antigens, targets the protein for degradation. The E3 ubiquitin ligases constructs may be used to regulate any payload described herein, provided the payload is fused to an antigen recognized by the antibody or the fragment of the antibody in the E3 ubiquitin ligases construct. In some embodiments, the payload is a chimeric antigen receptor. The E3 ubiquitin ligases constructs may be used to design logic gates. In one embodiment, the E3 ubiquitin ligases constructs may be used to generate a NOT gate, wherein one ligand induces the expression of the payload, while another inhibits the expression of the payload. In some embodiments, the NOT gate may be generated using the E3 ubiquitin ligases constructs and by fusing the payloads-antigen fusion protein to a second a SRE that is distinct from the SRE in the E3 ubiquitin ligase construct.

In some embodiments, the payload of the invention may be any of the co-stimulatory molecules and/or intracellular domains described herein. In some embodiments, one or more co-stimulatory molecules, each under the control of different SRE may be used in the present invention. SRE regulated co-stimulatory molecules may also be expressed in conjunction with a first generation CAR, a second generation CAR, a third generation CAR, a fourth generation, or any other CAR design described herein.

In one embodiment of the present invention, the payload of the invention is a CD33 specific CAR. The CD33 heavy and light chain may be combined with any of the signal peptides, transmembrane domains, costimulatory domains, intracellular domains and destabilizing domains described herein.

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In one embodiment of the present invention, the payload of the invention is a GD2 specific CAR. The GD2 heavy and light chain may be combined with any of the signal peptides, transmembrane domains, costimulatory domains, intracellular domains and destabilizing domains described herein.

In one embodiment of the present invention, the payload of the invention is a Her2 specific CAR. The Her2 heavy and light chain may be combined with any of the signal peptides, transmembrane domains, costimulatory domains, intracellular domains and destabilizing domains described herein. Exemplary BCMA CAR sequences and its components are described in Table 21. The amino acid sequences in Table 21 may comprise a stop codon which is denoted in the table with a “*” at the end of the amino acid sequence

In one embodiment, the CAR of the present invention is a BCMA (B-cell maturation antigen) CAR, also referred to as the CD269. The BCMA heavy and light chains may be combined with any of the signal peptides, transmembrane domains, costimulatory domains, intracellular domains and destabilizing domains described herein. Exemplary BCMA CAR sequences and its components are described in Table 22. The amino acid sequences in Table 22 may comprise a stop codon which is denoted in the table with a “*” at the end of the amino acid sequence.

Tandem CAR (TanCAR)

In some embodiments, the CAR of the present invention may be a tandem chimeric antigen receptor (TanCAR) which is able to target two, three, four, or more tumor specific antigens. In some aspects, The CAR is a bispecific TanCAR including two targeting domains which recognize two different TSAs on tumor cells. The bispecific CAR may be further defined as comprising an extracellular region comprising a targeting domain (e.g., an antigen recognition domain) specific for a first tumor antigen and a targeting domain (e.g., an antigen recognition domain) specific for a second tumor antigen. In other aspects, the CAR is a multispecific TanCAR that includes three or more targeting domains configured in a tandem arrangement. The space between the targeting domains in the TanCAR may be between about 5 and about 30 amino acids in length, for example, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29 and 30 amino acids.

Split CAR

In some embodiments, the components including the targeting moiety, transmembrane domain and intracellular signaling domains of the present invention may be split into two or more parts such that it is dependent on multiple inputs that promote assembly of the intact functional receptor. In one embodiment, the split synthetic CAR system can be constructed in which the assembly of an activated CAR receptor is dependent on the binding of a ligand to the SRE (e.g. a small molecule) and a specific antigen to the targeting moiety. As a non-limiting example, the split CAR consists of two parts that assemble in a small molecule-dependent manner; one part of the receptor features an extracellular antigen binding domain (e.g. scFv) and the other part has the intracellular signaling domains, such as the CD3 intracellular domain.

In other aspects, the split parts of the CAR system can be further modified to increase signal. In one example, the second part of cytoplasmic fragment may be anchored to the plasma membrane by incorporating a transmembrane domain (e.g., CD8a transmembrane domain) to the construct. An additional extracellular domain may also be added to the second part of the CAR system, for instance an extracellular domain that mediates homo-dimerization. These modifications may increase receptor output activity, i.e., T cell activation.

In some aspects, the two parts of the split CAR system contain heterodimerization domains that conditionally interact upon binding of a heterodimerizing small molecule. As such, the receptor components are assembled in the presence of the small molecule, to form an intact system which can then be activated by antigen engagement. Any known heterodimerizing components can be incorporated into a split CAR system. Other small molecule dependent heterodimerization domains may also be used, including, but not limited to, gibberellin-induced dimerization system (GID1-GAI), trimethoprim-SLF induced ecDHFR and FKBP dimerization (Czlapinski et al., J Am Chem Soc., 2008, 130(40): 13186-13187) and ABA (abscisic acid) induced dimerization of PP2C and PYL domains (Cutler et al., Annu Rev Plant Biol. 2010, 61: 651-679). The dual regulation using inducible assembly (e.g., ligand dependent dimerization) and degradation (e.g., destabilizing domain induced CAR degradation) of the split CAR system may provide more flexibility to control the activity of the CAR modified T cells.

Switchable CAR

In some embodiments, the CAR of the invention may be a switchable CAR. Juillerat et al (Juilerat et al., Sci. Rep., 2016, 6: 18950; the contents of which are incorporated herein by reference in their entirety) recently reported controllable CARs that can be transiently switched on in response to a stimulus (e.g. a small molecule). In this CAR design, a system is directly integrated in the hinge domain that separate the scFv domain from the cell membrane domain in the CAR. Such system is possible to split or combine different key functions of a CAR such as activation and costimulation within different chains of a receptor complex, mimicking the complexity of the TCR native architecture. This integrated system can switch the scFv and antigen interaction between on/off states controlled by the absence/presence of the stimulus.

Reversible CAR

In other embodiments, the CAR of the invention may be a reversible CAR system. In this CAR architecture, a LID domain (ligand-induced degradation) is incorporated into the CAR system. The CAR can be temporarily down-regulated by adding a ligand of the LID domain. The combination of LID and DD mediated regulation provides tunable control of continuingly activated CAR T cells, thereby reducing CAR mediated tissue toxicity.

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Activation-Conditional CAR

In some embodiments, payloads of the invention may be an activation-conditional chimeric antigen receptor, which is only expressed in an activated immune cell. The expression of the CAR may be coupled to activation conditional control region which refers to one or more nucleic acid sequences that induce the transcription and/or expression of a sequence e.g. a CAR under its control. Such activation conditional control regions may be promoters of genes that are upregulated during the activation of the immune effector cell e.g. IL2 promoter or NFAT binding sites. In some embodiments, activation of the immune cell may be achieved by a constitutively expressed CAR (International Publication No: WO2016126608; the contents of which are incorporated herein by reference in their entirety).

4. Immunotherapeutic Agents

In some embodiments, payloads of the present invention may be immunotherapeutic agents that induce immune responses in an organism. The immunotherapeutic agent may be a cytokine, chemokine, a cytokine receptor, a chemokine receptor, or any agent that induces an immune response. In one embodiment, the immunotherapeutic agent induces an anti-cancer immune response in a cell, or in a subject.

In some embodiments, ligands that do not affect the activity of the immune cell, and/or the chimeric antigen receptor, in the absence of the SREs may be preferably selected.

In some embodiments, the IL12 levels secreted by the immune cells of the invention may approximately be comparable to the IL12 levels secreted by human myeloid dendritic cells (mDC1), when activated with TLR agonists. In one embodiment, the TLR agonist may be the combination of lipopolysaccharide administered with R848.

In some embodiments, the IFN gamma secreted by IL12 induced activation of the immune cells is at least 5 fold greater in the presence of ligand, compared to the levels in the absence of ligand.

In some embodiments, the IFN gamma secreted by IL15 induced activation of the immune cells is at least 10-fold greater in the presence of ligand, compared to the levels in the absence of ligand.

In some embodiments, regulation of IL12 provides the necessary safety switch. In some embodiments, IL12 secretion recruit and/or activates effector cells in the tumor microenvironment. In some embodiments, the IL12 regulation provides a benefit to CAR T function without causing toxicity.

In some embodiments, regulation of IL15-IL15Ra fusion proteins provides a safety switch as compared to constitutively expressed IL15-IL15Ra. In some embodiments, IL15-IL15Ra leads to better expansion, and/or persistence of CAR T cells.

In some embodiments, payloads of the present invention may be immunotherapeutic agents that induce immune responses in an organism. The immunotherapeutic agent may be, but is not limited to a cytokine, a safety switch (e.g., a suicide gene), a regulatory switch, a chimeric antigen receptor, or any agent that induces an immune response. In one embodiment, the immunotherapeutic agent induces an anti-cancer immune response in a cell, or in a subject.

Cytokines, Chemokines and Other Soluble Factors

In accordance with the present invention, payloads of the present invention may be cytokines, chemokines, growth factors, and soluble proteins produced by immune cells, cancer cells and other cell types, which act as chemical communicators between cells and tissues within the body. These proteins mediate a wide range of physiological functions, from effects on cell growth, differentiation, migration and survival, to a number of effector activities. For example, activated T cells produce a variety of cytokines for cytotoxic function to eliminate tumor cells.

In accordance with the present invention, CARs of the present invention may be utilized along with other payloads of the present invention may be cytokines, chemokines, growth factors, and soluble proteins produced by immune cells, cancer cells and other cell types, which act as chemical communicators between cells and tissues within the body. These proteins mediate a wide range of physiological functions, from effects on cell growth, differentiation, migration and survival, to a number of effector activities. For example, activated T cells produce a variety of cytokines for cytotoxic function to eliminate tumor cells.

In some embodiments, payloads of the present invention may be cytokines, and fragments, variants, analogs and derivatives thereof, including but not limited to interleukins, tumor necrosis factors (TNFs), interferons (IFNs), TGF beta and chemokines. It is understood in the art that certain gene and/or protein nomenclature for the same gene or protein may be inclusive or exclusive of punctuation such as a dash “-” or symbolic such as Greek letters. Whether these are included or excluded herein, the meaning is not meant to be changed as would be understood by one of skill in the art. For example, IL2, IL-2 and IL 2 refer to the same interleukin. Likewise, TNFalpha, TNFα, TNF-alpha, TNF-α, TNF alpha and TNF a all refer to the same protein. In some embodiments, payloads of the present invention may be cytokines that stimulate immune responses. In other embodiments, payloads of the invention may be antagonists of cytokines that negatively impact anti-cancer immune responses.

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In one embodiment, the payloads of the present invention may be cytokines fused to TNF alpha ectodomain. Such payloads are produced as membrane associated cytokines fused to the TNF ectodomain. In one embodiment, the cytokine may be shed from the cell surface by the action of membrane associated proteases, and/or proteases in the extracellular space e.g. MMP9. Any of the cytokines described herein may be useful in the present invention. Such cytokine-TNF scaffold constructs may be used to preserve the native sequence of the processed cytokine while preserving regulation.

In some embodiments, payloads of the present invention may be cytokine receptors, recombinant receptors, variants, analogs and derivatives thereof; or signal components of cytokines.

In some embodiments, cytokines of the present invention may be utilized to improve expansion, survival, persistence, and potency of immune cells such as CD8+T EM , natural killer cells and tumor infiltrating lymphocytes (TIL) cells used for immunotherapy. In other embodiments, T cells engineered with two or more DD regulated cytokines are utilized to provide kinetic control of T cell activation and tumor microenvironment remodeling. In one aspect, the present invention provides biocircuits and compositions to minimize toxicity related to cytokine therapy. Despite its success in mitigating tumor burden, systemic cytokine therapy often results in the development of severe dose limiting side effects. Two factors contribute to the observed toxicity (a) Pleiotropism, wherein cytokines affect different cells types and sometimes produce opposing effects on the same cells depending on the context (b) Cytokines have short serum half-life and thus need to be administered at high doses to achieve therapeutic effects, which exacerbates the pleiotropic effects. In one aspect, cytokines of the present invention may be utilized to modulate cytokine expression in the event of adverse effects. In some embodiments, cytokines of the present invention may be designed to have prolonged life span or enhanced specificity to minimize toxicity.

In some embodiments, the payload of the present invention may be an interleukin (IL) cytokine. Interleukins (ILs) are a class of glycoproteins produced by leukocytes for regulating immune responses. As used herein, the term “interleukin (IL)” refers to an interleukin polypeptide from any species or source and includes the full-length protein as well as fragments or portions of the protein. In some aspects, the interleukin payload is selected from IL1, IL1alpha (also called hematopoietin-1), IL1beta (catabolin), IL1 delta, IL1epsilon, IL1eta, IL1 zeta, interleukin-1 family member 1 to 11 (IL1F1 to IL1F11), interleukin-1 homolog 1 to 4 (IL1H1 to IL1H4), IL1 related protein 1 to 3 (IL1RP1 to IL1RP3), IL2, IL3, IL4, IL5, IL6, IL7, IL8, IL9, IL10, IL10C, IL10D, IL11, IL11a, IL11b, IL12, IL13, IL14, IL15, IL16, IL17, IL17A, Il17B, IL17C, IL17E, IL17F, IL18, IL19, IL20, IL20 like (IL20L), Il21, IL22, IL23, IL23A, IL23-p19, IL23-p40, IL24, Il25, IL26, IL27, IL28A, IL28B, IL29, IL30, IL31, IL32, IL33, IL34, IL35, IL36 alpha, IL36 beta, IL36 gamma, IL36RN, IL37, IL37a, IL37b, IL37c, IL37d, IL37e and IL38. In other aspects, the payload of the present invention may be an interleukin receptor selected from CD121a, CDw121b, IL2Rα/CD25, IL2Rβ/CD122, IL2Rγ/CD132, CDw131, CD124, CD131, CDw125, CD126, CD130, CD127, CDw210, IL8RA, IL11Ra, CD212, CD213α1, CD213α2, IL14R, IL15Rα, CDw217, IL18Rα, IL18Rβ, IL20Rα, and IL20Rβ.

In one embodiment, the payload of the invention may comprise IL2. In one aspect, the effector module of the invention may be a DD-IL2 fusion polypeptide. The amino acid sequences corresponding to DD-IL2 and its components are listed in the Table 23. The amino acid sequences in Table 23 may comprise a stop codon which is denoted in the table with a “*” at the end of the amino acid sequence.

In some aspects of the invention, an IL2 mutein may be used as a payload. As used herein, the term “mutein” is a construct, molecule or sequence of a mutation, change or alteration in a protein and hence is also known as a mutant, e.g., a protein mutant, mutein. Consequently, an “IL2 mutein” is an IL2 mutant. In some embodiments an IL2 mutein is a variant of wild type IL2 protein, where the wildtype IL2 consists of the amino acid sequence of SEQ ID NO: 5272. In some aspects, it refers to an IL2 variant which binds to and activates only cells expressing IL2Rαβγ, but does not significantly bind to or activate cell expressing only IL2Rβγ. In some examples, an IL2 mutein may be an IL2 protein in which residues of IL2 responsible for binding to either IL2Rβ or IL2Rγ are substituted to abolish the interaction of IL2 with IL2Rβ or IL2Rγ. In other examples, an IL2 mutein may be an IL2 protein comprising mutations conferring high affinity for IL2Rα. An IL2 mutein may be an IL2 selective agonist (IL2SA) which can preferentially activate the high affinity IL2 receptor (i.e., IL2Rαβγ) which is necessary to selectively activate T cells with respect to NK cells. In some embodiments, the IL2 mutein may be IL2 protein which preferentially binds to the lower affinity IL2Rβγ but with reduced affinity to CD25.

In some embodiments, IL2 muteins may be used to preferentially expand or stimulate Treg cells. As used herein “preferentially expand or stimulate Treg cells” means the IL2 muteins promote the proliferation, survival, activation and/or function of T regulatory cells.

Exemplary IL2 muteins may include, but are not limited to, N88R substitution (Shanafelt et al., Nature Biotech., 2000, 18:1197-1202), an IL2 with a V91K substitution (e.g., US Patent publication NO. US20140286898); V91K substitution, C125A substitution, an IL2 with three mutations: V69A, N71R, Q74P; an IL2 mutein with high affinity for IL2Rα (N29S, Y31H, K35R, T37A, K48E, V69A, N71R, Q74P); an IL2 mutein with high affinity for IL2Rα and reduced signaling activity (N29S, Y31H, K35R, T37A, K48E, V69A, N71R, Q74P, N88D), and D20H, D20I, N88G, N88I, N88R, and Q126L substitutions as described in PCT application NO. 1999060128; the contents of each of which are incorporated herein by reference in their entirety. In other aspects, IL2 muteins may include those described in U.S. Pat. Nos. 4,518,584; 5,116,943; 5,206,344; 6,955,807; 7,105,653; 7,371,371; 7,803,361; 8,124,066; 8,349,311; 8,759,486; and 9,206,243; PCT patent publication NOs. WO2005086751 and WO2012088446; European Patent N.s.: EP0234599 and EP0200280 and Sim, G. C. et al. (2016) Cancer Immunol Res; 4(11):983-994; the contents of each of which are incorporated herein by reference in their entirety.

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In some aspects, the IL2 mutein may be fused to a polypeptide that extends the serum half-life of the IL2 mutein, such as an IgG Fc fragment. Preferred Fc regions are derived from human IgG, which includes IgG1, IgG2, IgG3, and IgG4. In other aspects, the payload of the invention may be an IL2 fusion protein comparing a second functional polypeptide. In a non-limiting example, an IL2 fusion protein may comprise an IL2 or IL2 mutein polypeptide fused with a pro-apoptotic Bcl-2 family polypeptide (such as Bad, Bik/Nbk, Bid, Bim/Bod, Hrk, Bak or Bax); such fusion protein may be capable of inhibiting cell survival, inhibiting cell proliferation, or enhancing cell death or apoptosis of a target cell expressing an IL2 receptor. Alternatively, an IL2 or IL2 mutein polypeptide may be fused with an anti-apoptotic Bcl-2 family polypeptide (such as Bcl-x L , Bcl-w or Bcl-2). The fusion protein may be capable of enhancing cell survival, enhancing cell proliferation, or inhibiting cell death or apoptosis of a target cell expressing an IL2 receptor. See, e.g., US patent publication NOS. US2016/0229901.

In addition, the IL2 fusion protein may be a IL2-GMCSF fusion protein which can promote cell-cell interaction; therefore, enhances anti-cancer immune responses (Wen et al., J. Translational Med., 2016, 14: 41).

In one embodiment, the payload of the invention may comprise IL12. IL12 is a heterodimeric protein of two subunits (p35, p40) that is secreted by antigen presenting cells, such as macrophages and dendritic cells. Expression of IL12 requires the simultaneous expression of the two subunits to produce a biologically active heterodimer. In some embodiments, payloads of the invention may be p35 subunit or the p40 subunit. IL12 is type 1 cytokine that acts on natural killer (NK) cells, macrophages, CD8 + Cytotoxic T cells, and CD4 + T helper cells through STAT4 pathway to induce IFN-γ production in these effector immune cells (reviewed by Trinchieri G, Nat Rev Immunol. 2003; 3(2): 133-146). IL12 can promote the cytotoxic activity of NK cells and CD8 + T cells, therefore has anti-tumor function as well as promote T cell persistence in vivo. Intravenous injection of recombinant IL12 exhibited modest clinical efficacy in a handful of patients with advanced melanoma and renal cell carcinoma (Gollob et al., Clin. Cancer Res. 2000; 6(5): 1678-1692). IL12 has been used as an adjuvant to enhance cytotoxic immunity using a melanoma antigen vaccine, or using peptide pulsed peripheral blood mononuclear cells; and to promote NK cell activity in breast cancer with trastuzumab treatment. Local delivery of IL12 to the tumor microenvironment promotes tumor regression in several tumor models. These studies all indicate that locally increased IL12 level can promote anti-tumor immunity. One major obstacle of systemic or local administration of recombinant IL12 protein, or through oncolytic viral vectors is the severe side effects when IL12 is presented at high level. Developing a system that tightly controls IL12 level may provide a safe use of IL12 in cancer treatment. A regulatable IL12 composition may also prevent negative feedback loops, thereby enhancing T cell effector functions.

In one aspect, the effector module of the invention may be a DD-IL12 fusion polypeptide. This regulatable DD-IL12 fusion polypeptide may be directly used as an immunotherapeutic agent or be transduced into an immune effector cell (T cells and TIL cells) to generate modified T cells with greater in vivo expansion and survival capabilities for adoptive cell transfer. The need for harsh preconditioning regimens in current adoptive cell therapies may be minimized using regulated IL12 DD-IL12 may be utilized to modify tumor microenvironment and increase persistence in solid tumors that are currently refractory to tumor antigen targeted therapy. In some embodiments, CAR expressing T cells may be armored with DD regulated IL12 to relieve immunosuppression without systemic toxicity. In some embodiments, the payloads of the present invention may be used to enhance cell therapies with performance optimized for challenging tumor microenvironments.

In some embodiments, the IL12 may be a Flexi IL12, wherein both p35 and p40 subunits, are encoded by a single cDNA that produces a single chain polypeptide. The single chain polypeptide may be generated by placing p35 subunit at the N terminus or the c terminus of the single chain polypeptide. Similarly, the p40 subunit may be at the N terminus or C terminus of the single chain polypeptide. In some embodiments, the IL12 constructs of the invention may be placed under the transcriptional control of the CMV promoter (SEQ ID NO. 5273), an EF1a promoter (SEQ ID NO. 5274, SEQ ID NO. 5276) or a PGK promoter (SEQ ID NO. 5275). Any portion of IL12 that retains one or more functions of full length or mature IL12 may be useful in the present invention. In some aspects, the DD-L12 comprises the amino acid sequences listed in Table 24. The amino acid sequences in Table 24 may comprise a stop codon which is denoted in the table with a “*” at the end of the amino acid sequence.

In some embodiments, the IL12 may be a Flexi IL12, wherein both p35 and p40 subunits, are encoded by a single cDNA that produces a single chain polypeptide. The single chain polypeptide may be generated by placing p35 subunit at the N terminus or the c terminus of the single chain polypeptide. Similarly, the p40 subunit may be at the N terminus or C terminus of the single chain polypeptide. In some embodiments, the IL12 constructs of the invention may be placed under the transcriptional control of the CMV promoter (SEQ ID NO. 5374), an EF1a promoter (SEQ ID NO. 5375, and SEQ ID NO. 5376) or a PGK promoter (SEQ ID NO. 5377). Any portion of IL12 that retains one or more functions of full length or mature IL12 may be useful in the present invention. In some aspects, the DD-IL12 comprises the amino acid sequences listed in Table 24. The components signal sequences, linker, cleavage sites, payload and destabilizing domains may be assembled in any order to design constructs with optimal features. In some embodiments, such optimal features may include low to virtually no basal expression in the absence of the ligand and increased expression in the presence of ligand. In Table 24, the amino acid sequences may comprise a stop codon at the end which is denoted in the table with a “*”.

›DETAILED DESCRIPTION OF THE INVENTION · 39 of 58

In some embodiments, DD regulated IL12 compositions of the invention may be utilized to minimize the cytotoxicities associated with systemic IL12 administration. Treatment with IL12 has been associated with systemic flu-like symptoms (fever, chills, fatigue, arthromyalgia, headache), toxic effects on the bone marrow, and liver. Hematologic toxicity observed most commonly included neutropenia and thrombocytopenia; hepatic dysfunction manifested in transient (dose dependent) increase in transaminases, hyperbilirubinemia and hypoalbuminemia. In some instances, toxicity is also associated with inflammation of the mucus membranes (oral mucositis, stomatitis or colitis). These toxic effects of IL12 were related to the secondary production of IFNgamma, TNFalpha, and chemokines such as IP10, and MIG. In certain aspects of the invention, DD regulated IL12 may be utilized to prevent the toxic effects associated with elevated production of secondary messengers.

The format of the IL12 constructs utilized as payload of the present invention may be optimized. In one embodiment, the payload of the invention may be a bicistronic IL12 containing p40 and p35 subunits separated by an internal ribosome entry site or a cleavage site such as P2A or Furin to allow independent expression of both subunits from a single vector. This results in a configuration of secreted IL12 that is more akin to the naturally occurring IL12 than the flexi IL12 construct, the payload of the invention may be the p40 subunit of the IL12. DD regulated p40 may be co-expressed with constitutive p35 construct to generate “regulatable IL12” expression. Alternatively, the DD regulated p40 may heterodimerize with the endogenous p35. p40 has been shown to stabilize p35 expression and stimulate the export of p35 (Jalah R, et al. (2013). Journal of Biol. Chem. 288, 6763-6776 (the contents of which are incorporated by reference in its entirety).

In some embodiments, modified forms of IL12 may be utilized as the payload. These modified forms of IL12 may be engineered to have shortened half-life in vivo compared to the non-modified form of especially when used in combination with tunable systems described herein.

Human flexi IL12 has a reported half-life of 5-19 hours which, when administered as a therapeutic compound, can result in systemic cytotoxicity (Car et al. (1999) The Toxicology of Interleukin-12: A Review” Toxicologic Path. 27 A, 58-63; Robertson et al. (1999) “Immunological Effects of Interleukin 12 Administered by Bolus Intravenous Injection to Patients with Cancer” Clin. Cancer Res. 5:9-16; Atkins et al. (1997)“Phase I Evaluation of Intravenous Recombinant Human Interleukin 12 in Patients with Advance Malignancies” Clin. Cancer Res. 3:409-417). The ligand inducible control of IL12 can regulate production in a dose dependent fashion, the time from cessation of ligand dosing to cessation of protein synthesis and IL12 clearance may be insufficient to prevent toxic accumulation of IL12 in plasma.

In one embodiment, the modified form of IL12 utilized as the payload may be a Topo-sc IL12 which have the configuration as follows from N to C terminus (i) a first IL12 p40 domain (p40N), (ii) an optional first peptide linker, (iii) an IL12 p35 domain, (iv) an optional second peptide linker, and (v) a second IL12 p40 domain (p40C). In one embodiment, modified topo sc IL12 polypeptides exhibit increased susceptibility to proteolysis. Topo-sc IL12 is described in International Patent Publication No. WO2016048903; the contents of which are incorporated herein by reference in its entirety.

IL12 polypeptide may also be modified (e.g. genetically, synthetically, or recombinantly engineered) to increase susceptibility to proteinases to reduce the biologically active half-life of the IL12 complex, compared to a corresponding IL12 lacking proteinases susceptibility. Proteinase susceptible forms of IL12 are described in International Patent Publication No. WO2017062953; the contents of which are incorporated by reference in its entirety.

IL12 systemic toxicity may also be limited or tightly controlled via mechanisms involving tethering IL12 to the cell surface to limit its therapeutic efficacy to the tumor site. Membrane tethered IL12 forms have been described previously using Glycosyl phosphatidylinositol (GPI) signal peptide or using CD80 transmembrane domain (Nagarajan S, et al. (2011) J Biomed Mater Res A. 99(3):410-7; Bozeman E N, et al. (2013) Vaccine. 7; 31(20):2449-56; Wen-Yu Pan et al. (2012), Mol. Ther. 20:5, 927-937; the contents of each of which are incorporated by reference in their entirety).

In one embodiment, the payload of the invention may comprise IL15. Interleukin 15 is a potent immune stimulatory cytokine and an essential survival factor for T cells, and Natural Killer cells. Preclinical studies comparing IL2 and IL 5, have shown than TL 5 is associated with less toxicity than IL2. In some embodiments, the effector module of the invention may be a DD-IL15 fusion polypeptide. IL15 polypeptide may also be modified to increase its binding affinity for the L 5 receptor. For example, the asparagine may be replaced by aspartic acid at position 72 of IL15 (SEQ ID NO. 2 of US patent publication US20140134128A1; the contents of which are incorporated by reference in their entirety). In some embodiments, the IL15 constructs of the invention may be placed under the transcriptional control of the CMV promoter (SEQ ID NO. 5378), an EF1a promoter (SEQ ID NO. 5379, SEQ ID NO. 5380) or a PGK promoter (SEQ ID NO. 5381). In some aspects, the DD-IL15 comprises the amino acid sequences listed in Table 25. The amino acid sequences in Table 25 may comprise a stop codon which is denoted in the table with a “*” at the end of the amino acid sequence.

In one embodiment, the payload of the invention may comprise whole or a portion of IL15. Interleukin 15 is a potent immune stimulatory cytokine and an essential survival factor for T cells, and Natural Killer cells. Preclinical studies comparing IL2 and IL15, have shown than IL15 is associated with less toxicity than IL2. In some embodiments, the effector module of the invention may be a DD-IL15 fusion polypeptide. IL15 polypeptide may also be modified to increase its binding affinity for the IL15 receptor. For example, the asparagine may be replaced by aspartic acid at position 72 of IL15 (SEQ. ID NO. 2 of US patent publication US20140134128A1; the contents of which are incorporated by reference in their entirety). In some embodiments, the IL15 constructs of the invention may be placed under the transcriptional control of the CMV promoter (SEQ. ID NO. 5411), an EF1a promoter (SEQ. ID NO. 5412 or SEQ. ID NO. 5413) or a PGK promoter (SEQ. ID NO. 5414). Any portion of IL15 that retains one or more functions of full length or mature IL15 may be useful in the present invention. Such functions include the promotion of NK cell survival, regulation of NK cell and T cell activation and proliferation as well as the support of NK cell development from hematopoietic stem cells. In some aspects, the DD-IL15 comprises the amino acid sequences listed in Table 26. The amino acid sequences in Table 26 may comprise a stop codon which is denoted in the table with a “*” at the end of the amino acid sequence.

›DETAILED DESCRIPTION OF THE INVENTION · 40 of 58

In some instances, whole or a portion of the IL15 is linked to the whole or a portion of one or more transmembrane proteins. In some embodiments, the transmembrane domain of the present invention may be selected from the group consisting of a CD8a transmembrane domain, a CD4 transmembrane domain, a CD 28 transmembrane domain, a CTLA-4 transmembrane domain, a PD-1 transmembrane domain, and a human Ig G4 Fc region. As non-limiting examples, the transmembrane domain may be a CTLA-4 transmembrane domain comprising the amino acid sequences of SEQ ID NOs. 1-5 of International Patent Publication NO. WO2014100385; and a PD-1 transmembrane domain comprising the amino acid sequences of SEQ ID NOs. 6-8 of International Patent Publication NO. WO2014100385; the contents of each of which are incorporated herein by reference in their entirety.

In some embodiments, the payloads of the present invention may comprise an optional hinge region (also called spacer). A hinge sequence is a short sequence of amino acids that facilitates flexibility of the extracellular targeting domain that moves the target binding domain away from the effector cell surface to enable proper cell/cell contact, target binding and effector cell activation (Patel et al., Gene Therapy, 1999; 6: 412-419). The hinge sequence can be any suitable sequence derived or obtained from any suitable molecule. The hinge sequence may be derived from all or part of an immunoglobulin (e.g., IgG1, IgG2, IgG3, IgG4) hinge region, i.e., the sequence that falls between the CHI and CH2 domains of an immunoglobulin, e.g., an IgG4 Fc hinge, the extracellular regions of type 1 membrane proteins such as CD8a CD4, CD28 and CD7, which may be a wild type sequence or a derivative. Some hinge regions include an immunoglobulin CH3 domain or both a CH3 domain and a CH2 domain. In certain embodiments, the hinge region may be modified from an IgG1, IgG2, IgG3, or IgG4 that includes one or more amino acid residues, for example, 1, 2, 3, 4 or 5 residues, substituted with an amino acid residue different from that present in an unmodified hinge.

In some embodiments, transmembrane domains may be selected from any of those described in Table 15.

Hinge region sequences useful in the present invention are provided in Table 16.

Hinge and transmembrane region sequences useful in the present invention are provided in Table 17.

In some embodiments, the payloads of the present invention may comprise one or more linkers. The linker may be between 1-30 amino acids long. In this regard, the linker may be 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29 or 30 amino acids in length. In other embodiments, the linker may be flexible.

The effector modules containing DD-IL15 may be designed to be secreted (using e.g. IL2 signal sequence) or membrane bound (using e.g. IgE or CD8a signal sequence).

A unique feature of IL15 mediated activation is the mechanism of trans-presentation in which IL15 is presented as a complex with the alpha subunit of IL15 receptor (IL15Ra) that binds to and activates membrane bound IL15 beta/gamma receptor, either on the same cell or a different cell. The IL15/IL15Ra complex is more effective in activating IL 15 signaling, than IL15 by itself. Thus, in some embodiments, the effector module of the invention may include a DD-IL15/IL15Ra fusion polypeptide. In some embodiments, the payload of the invention may be a whole or a portion of IL15 fused to the whole or a portion of the IL15Ra. Any portion of IL15 and IL15Ra that retains one or more functions of full length or mature IL15 or IL15Ra respectively may be useful in the present invention. Such functions include the promotion of NK cell survival, regulation of NK cell and T cell activation and proliferation as well as the support of NK cell development from hematopoietic stem cells. In one embodiment, the payload may be IL15/IL 15Ra fusion polypeptide described in US Patent Publication NO.: US20160158285A1 (the contents of which are incorporated herein by reference in their entirety). The IL15 receptor alpha comprises an extracellular domain called the sushi domain which contains most of the structural elements necessary for binding to IL15. Thus, in some embodiments, payload may include IL15Ra sushi domain. As a non-limiting example, the IL15Ra sushi domain may comprise the amino acid sequence of SEQ. ID NO. 14 of US20090238791A1 (the contents of which are incorporated herein by reference in their entirety). In one embodiment, the payload of the invention maybe the IL15 fused to IL15Ra sushi domain fusion polypeptide described in US Patent Publication NO. US20090238791A1. A portion of IL15Ra useful in the invention may include 31-205 amino acids or 31-95 amino acids of the human IL15Ra (Uniprot ID: Q13261). Table 27 provides IL15Ra variants useful in the invention. In some embodiments, payload may be the IL15/IL15Ra sushi domain fusion polypeptide described in US Patent Publication NO.: US20090238791A1 (the contents of which are incorporated herein by reference in their entirety).

IL15/IL15Ra fusion proteins of the present invention may be linked to all or a functional portion of one or more transmembrane proteins. In some embodiments, an optional hinge region may be included. Tables 15, Table 16 and Table 17 provide various transmembrane regions, hinge and transmembrane with hinge regions that can be linked to the payloads described herein.

The whole or a portion of the membrane associated IL15 or IL15/IL15Ra fusion polypeptides of the invention may be shed into the extracellular space. Shedding as used herein refers to the release of membrane associated biomolecules from the membrane to which they are tethered. In some instances, shedding may be induced by the proteolytic cleavage. A soluble form of human IL15Ra arises from proteolytic shedding of the membrane-anchored receptor has been reported by Mortier et al (Mortier E et al. (2004). J Immunol.; 173(3):1681-8; the contents of which are incorporated by reference in their entirety). Shedding may also be induced by treatment with PMA, ionomycin, and to a lesser extent by IL1b and TNFa. In some instances, IL15 or IL15/IL15Ra fusion proteins may be modified to prevent shedding. For example, the IL15 molecule or the IL15Ra molecule may be truncated or mutated to remove presumable cleavage sites. IL15Ra has a cleavage site (PQGHSDTT from the position 168 to 175 of SEQ. ID NO. 724) in the extracellular domain immediately distal to the transmembrane domain of the receptor, as described by Bergamaschi C et al. (2008). J Biol Chem; 283(7):4189-99; Anthony S M et al. (2015). PLoS One. 10(3): e0120274), and International Patent Application Publication Nos. WO2014066527 and WO2009002562 (the contents of each of which are incorporated herein by reference in their entirety.) Tumor necrosis factor-alpha-converting enzyme (TACE/ADAM17) has been implicated as a protease that cleaves between glycine (at the position 170 of Seq. ID NO. 724) and histidine (at the position 171 of SEQ. ID NO. 724) and generates a naturally occurring soluble form of IL15Ra. The same mechanism may be responsible for the IL15-IL15Ra shedding. Hence, the cleavage site of IL15Ra may be mutated such that cleavage by an endogenous protease is prevented. The mutation of the cleavage site may be introduced by substitution, insertion or deletion of amino acid residues. The IL15-IL15Ra fusion molecule may be also modified such that the full-length or truncated IL15-IL15Ra fusion molecule is fused to heterologous hinge domains and/or heterologous transmembrane domains. As non-limiting examples, variants of IL15Ra described in SEQ. ID NO. 5449, 5451 and 7185 can be utilized. Additionally, the length and sequence of the linkers that connect IL15 and IL15Ra may be modified.

›DETAILED DESCRIPTION OF THE INVENTION · 41 of 58

DD-IL15/IL15Ra fusion proteins of the present invention may be expressed as a single polypeptide connected to a CAR, as described in International Patent Application Publication No. WO2016210293, the contents of which are incorporated herein by reference in their entirety. A cleavage site may be disposed between the CAR polypeptide and DD-IL15/IL15Ra fusion polypeptide. The example of a cleavage site includes 2A self-cleaving peptides, such as porcine teschovirus-1 2A (P2A), thoseaasigna virus 2A (T2A), equine rhinitis A virus 2A (E2A), foot and mouth disease virus 2A (F2A), cytoplasmic polyhedrosis virus (BmCPV 2A), and flacherie virus (BmIFV 2A) of B. mori , as described by Kim J H et al. (2011). PLoS One; 6(4):e18556 and Wang Y et al. (2015). Sci Rep; 5:16273. As a non-limiting example, the single peptide may be composed of the following components: [CAR]-[P2A cleavage site]-[IL15Ra/IL15-DD].

DD-IL15/IL15Ra fusion proteins of the present invention may be conjugated to tumor-associated antigen-recognizing antibodies or binding partners, thereby constructing bivalent-binding fusion molecules or bi-specific T-cell engagers, as described in International Patent Application Publication Nos. WO2015120187, WO2015120180, WO2016123142, WO2016123143 and WO2017000913 (the contents of each of which are incorporated herein by reference in their entirety.) The examples of tumor-associated antigen-recognizing antibodies or binding partners include a tripeptide Arg-Gly-Asp that binds to cell surface integrin receptors and thus target integrin-positive tumors, anti-TN glycopeptide antibody and anti-IL 13Ra2 antibody. The fusion molecules comprising IL15/IL15Ra fusion proteins are designed to provide a second function in conjunction with CARs to improve T cell activation and persistence.

In some aspects, DD-IL15 is trans-presented to T cells or NK cells via L 5 fusion molecules that are linked to heterologous transmembrane domains without IL15Rα, as described by Imamura M et al. (2014) Blood; 124(7):1081-1088, Garg T K et al. (2012) Haematologica; 97(9): 1348-1356, Shook D R and Campana D (2011) Tissue Antigens; 78(6):409-415, Cho D and Campana D (2009) Korean J Lab Med; 29(2):89-96, Ayello J et al. (2017) Exp Hematol; 46:38-47, Qian L et al. (2011) Plasmid; 65(3):239-45, and Weinstein-Marom H et al. (2016) J Immunother; 39(2):60-70; U.S. Pat. Nos. 7,435,596; 8,026,097; 8,399,645; 9,605,049; and 9,623,082; US patent publication NOs. US20140328812 and US20160009784; and International patent publication NOs. WO2015174928 and WO2014005072; the contents of each of which are incorporated herein by reference in their entirety. In some embodiments, IL15 is fused to CD8alpha signal peptide and CD8alpha transmembrane, as described by International patent publication NO. WO2015174928, SEQ. ID NO. 1 and SEQ. ID NO. 2, the contents of which are incorporated herein by reference in their entirety. In some embodiments, DD-IL15 is fused to HLA-A2 transmembrane and cytoplasmic domains via a Gly-Ser linker (e.g., Gly4Ser(Gly3Ser)2 (SEQ ID NO. 2740); and 8 aa bridge from the HLA-A2 membrane-proximal part, as described by Weinstein-Marom H et al. (2016) J Immunother; 39(2):60-70, the contents of which are incorporated herein by reference in their entirety. The DD-IL15 fusion molecule may further comprise human MHC-I light chain β2-microglobulin leader peptide. In some embodiments, DD-IL15 is fused to H-2Kb transmembrane and cytoplasmic domains via a Gly-Ser linker (e.g., Gly4Ser(Gly3Ser)2; SEQ. ID NO. 2740) and 8 amino acid bridge from the H-2Kb membrane-proximal part, as described by Weinstein-Marom H et al. (2016). J Immunother; 39(2):60-70, the contents of which are incorporated herein by reference in their entirety. The DD-IL15 fusion molecule may further comprise human MHC-I light chain β2-microglobulin leader peptide.

Under inflammatory conditions, such as infections and autoimmune diseases, expression of the immunoproteasome is induced by interferon-gamma and tumor necrosis factor-alpha as described by Ferrington D A and Gregerson D S (2012) Prog Mol Biol Transl Sci; 109:75-112 and Kimura H et al. (2015) J Immunol Res; 2015:541984. The immunoproteasome is abundantly expressed in immune cells, such as antigen-presenting cells, and has more efficient proteolytic functions compared to the constitutive proteasome. For instance, while the constitutive proteasome degrades ubiquitinated proteins to maintain cell viability and homeostasis, the primary role of the immunoproteasome is to process antigens for presentation on MHC class I molecules to CD8+T lymphocytes as well as to process ubiquitinated proteins. In some embodiments, DD-IL 15/IL15Ra fusion proteins of the present invention may be designed to evade the induction of the immunoproteasome, such that the potential degradation of DD-IL15/IL15Ra fusion proteins in the presence of ligand is avoided and the expression level of IL15/IL15Ra fusion proteins is maintained. Conversely, in some embodiments, DD-IL15/IL15Ra fusion proteins of the present invention may be designed to induce the immunoproteasome in antigen-presenting cells, such that the antigen presentation on MHC class I molecules is bolstered and consequently the proliferation and activation of CD8+ T cells is augmented.

Regulated IL15/IL15Ra may be used to promote expansion, survival and potency of CD8T EM cell populations without impacting regulatory T cells, NK cells and TIL cells. In one embodiment, DD-IL15/IL15Ra may be utilized to enhance CD19 directed T cell therapies in B cell leukemia and lymphomas. In one aspect, IL15/IL15Ra may be used as payload of the invention to reduce the need for pre-conditioning regimens in current CAR-T treatment paradigms.

The effector modules containing DD-IL15, DD-IL15/IL15Ra and/or DD-IL15/IL15Ra sushi domain may be designed to be secreted (using e.g. IL2 signal sequence) or membrane bound (using e.g. IgE or CD8a signal sequence).

In some aspects, the DD-IL115/IL15Ra comprises the amino acid sequences provided in Table 28, 29, and 30. The amino acid sequences in Tables 28, 29 and 30 may comprise a stop codon which is denoted in the table with a “*” at the end of the amino acid sequence.

›DETAILED DESCRIPTION OF THE INVENTION · 42 of 58

In some aspects, the DD-IL15/IL15Ra comprises the amino acid sequences provided in Table 31 with any combination of components in any order. IL15Ra may be fused to DD by the amino acid sequence SG. Examples of DD-IL15/IL15Ra are provided in Table 32 and Table 33c. The amino acid sequences in Tables 31, 32 and 33 may comprise a stop codon which is denoted in the table with a “*” at the end of the amino acid sequence.

In some aspects, the DD-IL15/IL15Ra comprises the amino acid sequences provided in Table 34 with any combination of components in any order. IL15Ra may be fused to DD by the amino acid sequence SG. Examples of DD-IL15/IL15Ra are provided in Table 35 and Table 36. In some aspects, the DD-IL115/IL15Ra comprises the amino acid sequences provided in Table 6a, 6b, and 6c. The amino acid sequences in Tables 6a, 6b and 6c may comprise a stop codon which is denoted in the table with a “*” at the end of the amino acid sequence.

In one embodiment, the payload of the present invention may comprise IL18. IL18 is a proinflammatory and immune regulatory cytokine that promotes IFN-γ production by T and NK cells. IL18 belongs to the IL1 family. Secreted IL18 binds to a heterodimer receptor complex, consisting of IL18Rα and β-chains and initiates signal transduction. L18 acts in concert with other cytokines to modulate immune system functions, including induction of IFN-γ production, Th1 responses, and NK cell activation in response to pathogen products. IL18 showed anti-cancer effects in several tumors. Administration of recombinant IL18 protein or L18 transgene induces melanoma or sarcoma regression through the activation of CD4 + T and/or NK cell-mediated responses (reviewed by Srivastava et al., Curr. Med. Chem., 2010, 17: 3353-3357). The combination of L18 with other cytokines, such as IL12 or co-stimulatory molecules (e.g., CD80) increases IL18 anti-tumor effects. For example, L18 and IL12A/B or CD80 genes have been integrated successfully in the genome of oncolytic viruses, with the aim to trigger synergistically T cell-mediated anti-tumor immune responses (Choi et al., Gene Ther., 2011, 18: 898-909). IL2/IL18 fusion proteins also display enhanced anti-tumor properties relative to either cytokine alone and low toxicity in preclinical models (Acres et al., Cancer Res., 2005, 65:9536-9546).

IL18 alone, or in combination of IL12 and IL15, activates NK cells. Preclinical studies have demonstrated that adoptively transferred IL12, IL15 and L18 pre-activated NK cells display enhanced effector function against established tumors in vivo (Ni et al., J Exp Med. 2012, 209: 2351-2365; and Romee et al., Blood. 2012, 120:4751-4760). Human IL12/IL15/IL18 activated NK cells also display memory-like features and secrete more IFN-γ in response to cytokines (e.g., low concentration of IL2). In one embodiment, the effector module of the present invention may be a DD-IL18 fusion polypeptide.

In one embodiment, the payload of the present invention may comprise IL21. IL21 is another pleiotropic type I cytokine that is produced mainly by T cells and natural killer T (NKT) cells. IL21 has diverse effects on a variety of cell types including but not limited to CD4 + and CD8 + T cells, B cells, macrophages, monocytes, and dendritic cells (DCs). The functional receptor for L21 is composed of IL21 receptor (L21R) and the common cytokine receptor gamma chain, which is also a subunit of the receptors for IL2, IL4, IL7, IL9 and IL15. Studies provide compelling evidence that IL21 is a promising immunotherapeutic agent for cancer immunotherapy. L21 promotes maturation, enhances cytotoxicity, and induces production of IFN-γ and perforin by NK cells. These effector functions inhibit the growth of B 16 melanoma (Kasaian et al., Immunity. 2002, 16(4):559-569; and Brady et al., J Immunol. 2004, 172(4):2048-2058). IL21 together with IL15 expands antigen-specific CD8 + T-cell numbers and their effector function, resulting in tumor regression (Zeng et al., J Exp Med. 2005, 201(1):139-148). IL21 may also be used to rejuvenate multiple immune effector cells in the tumor microenvironment. IL21 may also directly induce apoptosis in certain types of lymphoma such as diffuse large B-cell lymphoma, mantle cell lymphoma, and chronic lymphocytic leukemia cells, via activation of STAT3 or STAT1 signal pathway. IL21, alone or in combination with anti-CD20 mAb (rituximab) can activate NK cell-dependent cytotoxic effects. Interestingly, discovery of the immunosuppressive actions of IL21 suggests that this cytokine is a “double-edged sword”-IL21 stimulation may lead to either the induction or suppression of immune responses. Both stimulatory and suppressive effects of IL21 must be considered when using IL21-related immunotherapeutic agents. The level of IL21 needs to be tightly controlled by regulatory elements. In one aspect, the effector module of the present invention may be a DD-IL21 fusion polypeptide.

In some embodiments, payloads of the present invention may comprise type I interferons. Type I interferons (IFNs-I) are soluble proteins important for fighting viral infection in humans. IFNs-I include IFN-alpha subtypes (IFN-α1, IFN-α1b, IFN-α1c), IFN-beta, IFN-delta subtypes (IFN-delta 1, IFN-delta 2, IFN-delta 8), IFN-gamma, IFN-kappa, and IFN-epsilon, IFN-lambda, IFN-omega, IFN-tau and IFN-zeta. IFN-α and IFN-β are the main IFN-I subtypes in immune responses. All subtypes of IFN-I signal through a unique heterodimeric receptor, interferon alpha receptor (IFNAR), composed of 2 subunits, IFNAR1 and IFNAR2. IFNR activation regulates the host response to viral infections and in adaptive immunity. Several signaling cascades can be activated by IFNR, including the Janus activated kinase-signal transducer and activation of transcription (JAK-STAT) pathway, the mitogen activated protein kinase (MAPK) pathway, the phosphoinositide 3-kinase (PI3K) pathway, the v-crk sarcoma virus CT10 oncogene homolog (avian)-like (CRKL) pathway, and NF-κB cascade. It has long been established that type I IFNs directly inhibit the proliferation of tumor cells and virus-infected cells, and increase MHC class I expression, enhancing antigen recognition. IFNs-I have also proven to be involved in immune system regulation. IFNs can either directly, through interferon receptor (IFNR), or indirectly by the induction of chemokines and cytokines, regulate the immune system. Type I IFNs enhance NK cell functions and promote survival of NK cells. Type I IFNs also affect monocytes, supporting the differentiation of monocytes into DC with high capacity for antigen presentation, and stimulate macrophage function and differentiation. Several studies also demonstrate that IFNs-I promote CD8 + T cell survival and functions. In some instances, it may be desirable to tune the expression of Type I IFNs using biocircuits of the present invention to avoid immunosuppression caused by long-term treatment with IFNs.

›DETAILED DESCRIPTION OF THE INVENTION · 43 of 58

New anticancer immunotherapies are being developed that use recombinant type I IFN proteins, type I IFN transgene, type I IFN-encoding vectors and type I IFN-expressing cells. For example, IFN-α has received approval for treatment of several neoplastic diseases, such as melanoma, RCC and multiple myeloma. Though type I IFNs are powerful tools to directly and indirectly modulate the functions of the immune system, side effects of systemic long-term treatments and lack of sufficiently high efficacy have dampened the interest of IFN-α for clinical use in oncology. It is believed that if IFN levels are tightly regulated at the malignant tissues, type I IFNs are likely more efficacious. Approaches for intermittent delivery are proposed according to the observation that intermittency at an optimized pace may help to avoid signaling desensitizing mechanisms (negative feedback mechanisms) induced by IFNs-I (i.e., because of SOCS1 induction) in the responding immune cells. In accordance with the present invention, the effector module may comprise a DD-IFN fusion polypeptide. The DD and its ligand control the expression of IFN to induce an antiviral and antitumor immune responses and in the meantime, to minimize the side effects caused by long-term exposure of IFN.

In some embodiments, payloads of the present invention may comprise members of tumor necrosis factor (TNF) superfamily. The term “TNF superfamily” as used herein refers to a group of cytokines that can induce apoptosis. Members of TNF family include TNF-alpha, TNF-beta (also known as lymphotoxin-alpha (LT-α)), lymphotoxin-beta (LT-β), CD40L(CD154), CD27L (CD70), CD30L(CD153), FASL(CD178), 4-1BBL (CD137L), OX40L, TRAIL (TNF-related apoptosis inducing ligand), APRIL (a proliferation-inducing ligand), TWEAK, TRANCE, TALL-1, GITRL, LIGHT and TNFSF1 to TNFSF20 (TNF ligand superfamily member 1 to 20). In one embodiment, the payload of the invention may be TNF-alpha. TNF-alpha can cause cytolysis of tumor cells, and induce cell proliferation differentiation as well. In one aspect, the effector module of the present invention may comprise a DD-TNF alpha fusion polypeptide.

In some embodiments, payloads of the present invention may comprise inhibitory molecules that block inhibitory cytokines. The inhibitors may be blocking antibodies specific to an inhibitory cytokine, and antagonists against an inhibitory cytokine, or the like.

In some aspects, payloads of the present invention may comprise an inhibitor of a secondary cytokine IL35. IL35 belongs to the interleukin-12 (IL12) cytokine family, and is a heterodimer composed of the IL27 β chain Ebi3 and the IL12 α chain p35. Secretion of bioactive IL35 has been described only in forkhead box protein 3 (Foxp3) + regulatory T cells (Tregs) (resting and activated Tregs). Unlike other membranes in the family, IL35 appears to function solely in an anti-inflammatory fashion by inhibiting effector T cell proliferation and perhaps other parameters (Collison et al., Nature, 2007, 450(7169): 566-569).

In some embodiments, payloads of the present invention may comprise inhibitors that block the transforming growth factor beta (TGF-β) subtypes (TGF-β1, TGF-β2 and TGF-β3). TGF-β is secreted by many cell types, including macrophages and is often complexed with two proteins LTBP and LAP. Serum proteinases such as plasmin catalyze the release of active TGF-β from the complex from the activated macrophages. It has been shown that an increase in expression of TGF-β correlates with the malignancy of many cancers. The immunosuppressive activity of TGF-β in the tumor microenvironment contributes to oncogenesis.

In some embodiments, payloads of the present invention may comprise inhibitors of IDO enzyme.

In some embodiments, payloads of the present invention may comprise chemokines and chemokine receptors. Chemokines are a family of secreted small cytokines, or signaling proteins that can induce directed chemotaxis in nearby responsive cells. The chemokine may be a SCY (small cytokine) selected from the group consisting of SCYA1-28 (CCL1-28), SCYB1-16 (CXCL1-16), SCYC1-2 (XCL1-2), SCYD-1 and SCYE-1; or a C chemokine selected from XCL1 and XCL2; or a CC chemokine selected from CCL1, CCL2, CCL3, CCL4, CCL5, CCL6, CCL7, CCL8, CCL9, CCL10, CCL11, CCL12, CCL13, CCL14, CCL15, CCL16, CCL17, CCL18, CCL19, CCL20, CCL21, CCL22, CCL23, CCL24, CCL25, CCL26, CCL27 and CCL28; or a CXC chemokine selected from CXCL1, CXCL2, CXCL3, CXCL4, CXCL5, CXCL6, CXCL7, CXCL8, CXCL9, CXCL10, CXCL11, CXCL12, CXCL13, CXCL14, CXCL15, CXCL16 and CXCL17; or a CX3C chemokine CX3CL1. In some aspects, the chemokine receptor may be a receptor for the C chemokines including XCR1; or a receptor for the CC chemokines including CCR1, CCR2, CCR3, CCR4, CCR5, CCR6, CCR7, CCR8, CCR9 and CCR10; or a receptor for the CXC chemokines including CXCR1, CXCR2, CXCR3, CXCR4 and CXCR5; or a CX3C chemokine receptor CX3CR1.

In some embodiments, payloads of the present invention may comprise other immunomodulators that play a critical role in immunotherapy, such as GM-CSF (Granulocyte-macrophage colony stimulating factor), erythropoietin (EPO), MIP3a, monocyte chemotactic protein (MCP)-1, intracellular adhesion molecule (ICAM), macrophage colony stimulating factor (M-CSF), Interleukin-1 receptor activating kinase (iRAK-1), lactotransferrin, and granulocyte colony stimulating factor (G-CSF).

In some embodiments, the payload of the present invention may comprise Amphiregulin. Amphiregulin (AREG) is an EGF-like growth factor which binds to the EGFR receptor and enhances CD4+ regulatory T cells (Tregs) function. AREG promotes immune suppression in the tumor environment. Thus, in some embodiment, the payloads of the present invention may comprise Amhiregulin to dampen immune response during immunotherapy.

In some embodiments, payloads of the present invention may comprise fusion proteins wherein a cytokine, chemokine and/or other soluble factor may be fused to other biological molecules such as antibodies and or ligands for a receptor. Such fusion molecules may increase the half-life of the cytokines, reduce systemic toxicity, and increase local concentration of the cytokines at the tumor site. Fusion proteins containing two or more cytokines, chemokines and or other soluble factors may be utilized to obtain synergistic therapeutic benefits. In one embodiment, payload may be a GM-CSF/IL2 fusion protein.

›DETAILED DESCRIPTION OF THE INVENTION · 44 of 58

In some embodiments, the present invention provides methods for tuning the expression and function of an immunotherapeutic agent by operably linking it to an SRE within the effector module. Tuning of the immunotherapeutic agent may be invitro in cells or in vivo in a subject. In one embodiment, the immunotherapeutic agent is IL15. In another embodiment, the immunotherapeutic agent is a whole or a portion of IL15 fused to the whole or a portion of IL15Ra. In some embodiments, the SRE is a DD. The immunotherapeutic agent may be stabilized by the stabilization ratio of at least 1, such as by at least 1-10, 1-20, 1-30, 1-40, 1-50, 1-60, 1-70, 1-80, 1-90, 1-100, 20-30, 20-40, 20-50, 20-60, 20-70, 20-80, 20-90, 20-95, 20-100, 30-40, 30-50, 30-60, 30-70, 30-80, 30-90, 30-95, 30-100, 40-50, 40-60, 40-70, 40-80, 40-90, 40-95, 40-100, 50-60, 50-70, 50-80, 50-90, 50-95, 50-100, 60-70, 60-80, 60-90, 60-95, 60-100, 70-80, 70-90, 70-95, 70-100, 80-90, 80-95, 80-100, 90-95, 90-100 or 95-100. In some embodiments, the DD destabilizes the immunotherapeutic agen by a destabilization ratio of at least 0, such as by at least 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, or at least, 0-0.1, 0-0.2, 0-0.3, 0-0.4, 0-0.5, 0-0.6, 0-0.7, 0-0.8, 0-0.9, 0.1-0.2, 0.1-0.3, 0.1-0.4, 0.1-0.5, 0.1-0.6, 0.1-0.7, 0.1-0.8, 0.1-0.9, 0.2-0.3, 0.2-0.4, 0.2-0.5, 0.2-0.6, 0.2-0.7, 0.2-0.8, 0.2-0.9, 0.3-0.4, 0.3-0.5, 0.3-0.6, 0.3-0.7, 0.3-0.8, 0.3-0.9, 0.4-0.5, 0.4-0.6, 0.4-0.7, 0.4-0.8, 0.4-0.9, 0.5-0.6, 0.5-0.7, 0.5-0.8, 0.5-0.9, 0.6-0.7, 0.6-0.8, 0.6-0.9, 0.7-0.8, 0.7-0.9 or 0.8-0.9. As used herein, the term “tune” means to adjust, balance or adapt one thing in response to a stimulus or toward a particular outcome. In one non-limiting example, the SREs and/or DDs of the present invention adjust, balance or adapt the function or structure of compositions to which they are appended, attached or associated with in response to particular stimuli and/or environments. In some embodiments, the compositions of the present invention may be used to tune the expression or function of an immunotherapeutic to less than, or equal to or greater than the expression or function achieved by a constitutively expressed construct.

In some embodiments, ligands that do not affect the activity of the immune cell, and/or the chimeric antigen receptor, in the absence of the SREs may be preferably selected.

In some embodiments, the IFN gamma secreted by IL12 induced activation of the immune cells is at least 5 fold greater in the presence of ligand, compared to the levels in the absence of ligand.

In some embodiments, the IFN gamma secreted by IL15 induced activation of the immune cells is at least 10-fold greater in the presence of ligand, compared to the levels in the absence of ligand.

In some embodiments, regulation of IL15-IL15Ra fusion proteins provides a safety switch as compared to constitutively expressed IL15-IL15Rα. In some embodiments, IL15-IL15Ra leads to better expansion, and/or persistence of CAR T cells.

In some embodiments, payloads of the invention may be cytokines, and fragments, variants, analogs and derivatives thereof, including but not limited to interleukins, tumor necrosis factors (TNFs), interferons (IFNs), TGF beta and chemokines.

In some embodiments, a cytokine may be an interleukin (IL) selected from IL1, IL1alpha (also called hematopoietin-1), IL1beta (catabolin), IL1 delta, IL1epsilon, IL1eta, IL1 zeta, interleukin-1 family member 1 to 11 (IL1F1 to IL1F11), interleukin-1 homolog 1 to 4 (IL1H1 to IL1H4), IL1 related protein 1 to 3 (IL1RP1 to IL1RP3), IL2, IL3, IL4, IL5, IL6, IL7, IL8, IL9, IL10, IL10C, IL10D, IL11, IL11a, IL11b, IL12, IL13, IL14, IL15, IL16, IL17, IL17A, Il17B, IL17C, IL17E, IL17F, Il18, IL19, IL20, IL20 like (IL20L), Il21, IL22, IL23, IL23A, IL23-p19, IL23-p40, IL24, 1125, IL26, IL27, IL28A, IL28B, IL29, IL30, IL31, IL32, IL33, IL34, IL35, IL36 alpha, IL36 beta, IL36 gamma, IL36RN, IL37, IL37a, IL37b, IL37c, IL37d, IL37e and IL38.

›DETAILED DESCRIPTION OF THE INVENTION · 45 of 58

In certain embodiments, a cytokine may be a type I interferons (IFN) including IFN-alpha subtypes (IFN-α1, IFN-α1b, IFN-α1c), IFN-beta, IFN-delta subtypes (IFN-delta 1, IFN-delta 2, IFN-delta 8), IFN-gamma, IFN-kappa, and IFN-epsilon, IFN-lambda, IFN-omega, IFN-tau and IFN-zeta. In certain embodiments, a cytokine may be a member of tumor necrosis factor (TNF) superfamily, including TNF-alpha, TNF-beta (also known as lymphotoxin-alpha (LT-α)), lymphotoxin-beta (LT-β), CD40L(CD154), CD27L (CD70), CD30L(CD153), FASL(CD178), 4-1BBL (CD137L), OX40L, TRAIL (TNF-related apoptosis inducing ligand), APRIL (a proliferation-inducing ligand), TWEAK, TRANCE, TALL-1, GITRL, LIGHT and TNFSF1 to TNFSF20 (TNF ligand superfamily member 1 to 20).

In certain embodiments, a cytokine may be a chemokine selected from SCYA1-28 (CCL1-28), SCYB1-16 (CXCL1-16), SCYC1-2 (XCL1-2), SCYD-1, SCYE-1, XCL1, XCL2, CCL1, CCL2, CCL3, CCL4, CCL5, CCL6, CCL7, CCL8, CCL9, CCL10, CCL11, CCL12, CCL13, CCL14, CCL15, CCL16, CCL17, CCL18, CCL19, CCL20, CCL21, CCL22, CCL23, CCL24, CCL25, CCL26, CCL27, CCL28, CXCL1, CXCL2, CXCL3, CXCL4, CXCL5, CXCL6, CXCL7, CXCL8, CXCL9, CXCL10, CXCL11, CXCL12, CXCL13, CXCL14, CXCL15, CXCL16, CXCL17 and CX3CL1; or a chemokine receptor selected from XCR1, CCR1, CCR2, CCR3, CCR4, CCR5, CCR6, CCR7, CCR8, CCR9, CCR10, CXCR1, CXCR2, CXCR3, CXCR4, CXCR5 and CX3CR1.

In some embodiments, the payload of the present invention may be a cytokine fused to a cytokine receptor. In one embodiment, the payload may be IL15 fused to IL15 Receptor alpha subunit. A unique feature of IL15 mediated activation is the mechanism of trans-presentation in which IL15 is presented as a complex with the alpha subunit of IL15 receptor (IL15Ra) that binds to and activates membrane bound IL15 beta/gamma receptor, either on the same cell or a different cell. The IL15/IL15Ra complex is much more effective in activating IL15 signaling, than IL15 by itself. In one embodiment, the may be a IL15/IL15Ra fusion polypeptide described in US patent publication NO. US20160158285A1 (the contents of which are incorporated herein by reference in their entirety). The IL15 receptor alpha comprises an extracellular domain called the sushi domain that is considered to contain most of the structural elements necessary for binding to IL15. Thus, in some embodiments, the payload may be the IL15/IL15Ra sushi domain fusion polypeptide described in US Patent Publication NO. US20090238791A1 (the contents of which are incorporated herein by reference in their entirety). The effector modules containing IL15/IL15Rα, and/or DD-IL15/IL15Ra sushi domain may be designed to be secreted (using e.g. IL2 signal sequence) or membrane bound (using e.g. IgE or CD8a signal sequence).

In some aspects, the DD-IL115/IL15Ra comprises the amino acid sequences described in Table 37. Nucleic acid sequences encoding the amino acid sequences are also described in Table 37. In Table 37, the amino acid sequences may comprise a stop codon at the end which is denoted in the table with a “*”. The position of the mutated amino acids listed in Table 37 is relative to the wildtype human DHFR (Uniprot ID: P00374) of SEQ ID NO. 1.

In one aspect, the payload of the invention may be IL12 fusion. This regulatable DD-IL12 fusion polypeptide may be directly used as an immunotherapeutic agent or be transduced into an immune effector cell (T cells and TIL cells) to generate modified T cells with greater in vivo expansion and survival capabilities for adoptive cell transfer. In some embodiments, the IL12 may be a Flexi IL12, wherein both p35 and p40 subunits, are encoded by a single cDNA that produces a single chain polypeptide. In some aspects, the human DHFR-IL12 comprises the amino acid sequences described in Table 38. Nucleic acid sequences encoding the amino acid sequences are also described in Table 38. In Table 38, the amino acid sequences may comprise a stop codon at the end which is denoted in the table with a “*”. The position of the mutated amino acids listed in Table 38 is relative to the wildtype human DHFR (Uniprot ID: P00374) of SEQ ID NO. 5613.

In some embodiments, payloads fused to the DDs of the invention may be an inhibitor of an immunosuppressive molecule such as TGF-beta and IDO.

Safety Switch

In some embodiments, payloads of the present invention may comprise SRE regulated safety switches that can eliminate adoptively transferred cells in the case of severe toxicity, thereby mitigating the adverse effects of T cell therapy. Adoptively transferred T cells in immunotherapy may attack normal cells in response to normal tissue expression of TAA. Even on-tumor target activity of adoptively transferred T cells can result in toxicities such as tumor lysis syndrome, cytokine release syndrome and the related macrophage activation syndrome. Safety switches may be utilized to eliminate inappropriately activated adoptively transferred cells by induction of apoptosis or by immunosurveillance.

In some embodiments, payloads of the present invention may comprise inducible killer/suicide genes that acts as a safety switch. The killer/suicide gene when introduced into adoptively transferred immune cells, could control their alloreactivity. The killer/suicide gene may be an apoptotic gene (e.g., any Caspase gene) which allows conditional apoptosis of the transduced cells by administration of a non-therapeutic ligand of the SRE (e.g., DD).

In some embodiments, the payloads of the present invention may be Caspase 9. In some instances, Caspase 9 may be modified to have low basal expression and lacking the Caspase recruitment domain (CARD) (SEQ ID NO. 26 and SEQ ID NO. 28 of U.S. Pat. No. 9,434,935B2; the contents of which are incorporated by reference in their entirety).

In one embodiment, the payload of the present invention is a suicide gene system, iCasp9/Chemical induced dimerization (CID) system which consists of a polypeptide derived from the Caspase9 gene fused to a drug binding domain derived from the human FK506 protein. Administration of bioinert, small molecule AP1903 (rimiducid), induces cross linking of the drug binding domains and dimerization of the fusion protein and in turn the dimerization of Caspase 9. This results in the activation of downstream effector Caspase 3 and subsequent induction of cellular apoptosis (Straathof et al., Blood, 2005, 105: 4247-4254; incorporated herein by reference in its entirety). Preclinical trials using CART including an iCasp9 gene have shown effective elimination of CAR T cells in vivo in mouse models and demonstrate the potential efficacy of this approach. (Budde et al, Plos One, 2013, 8: e82742.10.1371; Hoyos et al., Leukemia, 2010; 24(6): 1160-1170). In one embodiment, the payload of the invention may comprise Caspase 9. In one aspect, the effector module of the invention may be a DD-Caspase9 fusion polypeptide. The DD-Caspase 9 may comprise the amino acid sequences provided in Table 39. In Table 39, the amino acid sequences may comprise a stop codon at the 3′ end which is denoted in the table with a “*”. The DD-Caspase 9 may comprise the amino acid sequences provided in Table 40. The amino acid sequences in Table 40 may comprise a stop codon which is denoted in the table with a “*” at the end of the amino acid sequence

›DETAILED DESCRIPTION OF THE INVENTION · 46 of 58

In some instances, the iCasp9/CID system has been shown to have a basal rate of dimerization even in the absence of rimiducid, resulting in unintended cell death. Regulating the expression levels of iCasp9/CID is critical for maximizing the efficacy of iCasp9/CID system. Biocircuits of the present invention and/or any of their components may be utilized in regulating or tuning the iCasp9/CID system to optimize its utility. Other examples of proteins used in dimerization-induced apoptosis paradigm may include, but are not limited to Fas receptor, the death effector domain of Fas-associated protein, FADD, Caspase 1, Caspase 3, Caspase 7 and Caspase 8. (Belshaw P. J. et al, Chem Biol., 996, 3:731-738; MacCorkle R. A. et al, Proc Natl Acad Sci, 1998, 95:3655-3660; Spencer, D. M. et al., Curr Biol. 1996; 6:839-847; the contents of each of which are incorporated herein by reference in their entirety).

In some embodiments, the safety switch of the present invention may comprise a metabolic enzyme, such as herpes simplex virus thymidine kinase (HSV-TK) and cytosine deaminase (CD). HSV-TK phosphorylates nucleoside analogs, including acyclovir and ganciclovir (GCV) to generate triphosphate form of nucleosides. When incorporated into DNA, it leads to chain termination and cell death. Unlike the mammalian thymidine kinase, HSV-TK is characterized by 1000-fold higher affinity to nucleoside analogs such as GCV, making it suitable for use as a suicide gene in mammalian cells. Cytosine deaminase (CD) can converts 5-fluorocytosine (5-FC) into the cytotoxic 5-fluorouracil (5-FU) (Tiraby et al., FEMS Lett., 1998, 167: 41-49).

In some embodiments, the safety switch of the present invention may comprise a CYP4B1 mutant (as suicide gene), which may be co-expressed in a CAR engineered T cells (Roellecker et al., Gen Ther., 2016, May 19, doi: 10.1038/gt.2016.38.).

In some embodiments, the payload of the present invention may comprise a fusion construct that can induce cell death, for example, a polypeptide with the formula of St-R1-S 1-Q-S2-R2, wherein the St is a stalk sequence, R1/2 and Q are different epitopes; and S1/2 are optional spacer sequences (See International Patent Publication NO. WO2013153391; the content of which are incorporated herein by reference in their entirety).

In some embodiments, safety switch may be mediated by therapeutic antibodies which specifically bind to an antigen that is expressed in the plasma membrane of adoptively transferred cells. The antigen-antibody interaction allows cell removal after administration of a specific monoclonal antibody against the antigen. As non-limiting examples, payloads of the present invention may comprise the antigen and antibody pair used to mediate safety switch such as CD20 and anti-CD20 antibody (Griffioen et al., Haematologica, 2009, 94:1316-1320), a protein tag and anti-tag antibody (Kieback et al., Natl. Acad. Sci. U.S.A., 2008, 105: 623-628), a compact suicide gene (RQR8) combining epitopes from CD34 (as a marker moiety) and CD20 (as a suicide moiety) which enables CD34 selection, cell tracking, as well as cell deletion after anti-CD20 monoclonal antibody administration (Philip et al., Blood, 2014, 124: 1277-1287); truncated human EGFR polypeptide and anti-EGFR monoclonal antibody (Wang et al., Blood, 2011, 118:1255-1263); and a compact polypeptide safety switch having a structural formula as discussed in U.S Patent Application Publication NO. US20150093401; the contents of each of which are incorporated herein by reference in their entirety.

Regulatory Switch

The utility of adoptive cell therapy (ACT) has been limited by the high incidence of graft versus host disease (GVHD). GVHD occurs when adoptively transferred T cells elicit an immune response resulting in host tissue damage. Recognition of host antigens by the graft cells triggers a proinflammatory cytokine storm cascade that signifies acute GVHD. GVHD is characterized as an imbalance between the effector and the regulatory arms of the immune system. In some embodiments, the payloads of the present invention may be used as regulatory switches. As used herein “regulatory switch” refers proteins, which when expressed in target cells increase tolerance to the graft by enhancing the regulatory arm of the immune system.

In one embodiment, regulatory switches may include payloads that preferentially promote the expansion of regulatory T (Treg cells). Tregs are a distinct population of cells that are positively selected on high affinity ligands in the thymus and play an important role in the tolerance to self-antigens. In addition, T regs have also been shown to play a role in peripheral tolerance to foreign antigens. Since Tregs promote immune tolerance, expansion of Tregs with the compositions of the invention may be desirable to limit GVHD.

In some embodiments, the regulatory switch may include, but is not limited to T regs activation factors such NFκB, FOXO, nuclear receptor Nr4a, Retinoic acid receptor alpha, NFAT, AP-1 and SMAD. Such factors can result in the expression of Fork headbox P3 (FOXP3) in T cells resulting in the activation of the regulatory T cell program and the expansion of T cells.

In one embodiment, the regulatory switch may be FOXP3, a transcriptional regulator in T cells. A function of FOXP3 is to suppress the function of NFAT, which leads to the suppression of expression of many genes including IL2 and effector T-cell cytokines. FOXP3 acts also as a transcription activator for genes such as CD2S, Cytotoxic T-Lymphocyte Antigen Cytotoxic T-Lymphocyte Antigen 4 (CTLA4), glucocorticoid-induced TNF receptor family gene (GITR) and folate receptor 4. FOXP3 also inhibits the differentiation of IL17 producing helper T-cells (Th17) by antagonizing RORC (RAR related orphan receptor C). Isoforms of FOXP3 lacking exon2 (FOXP3 delta 2), or exon 7 (FOXP3 delta 7) may also be used as regulatory switches. In one aspect, the effector module of the invention may be a DD-FOXP3 fusion polypeptide. The DD-FOXP3 may comprise the amino acid sequences provided in Table 41. The amino acid sequences in Table 41 may comprise a stop codon which is denoted in the table with a “*” at the end of the amino acid sequence.

›DETAILED DESCRIPTION OF THE INVENTION · 47 of 58

In some embodiments, the SREs of the present invention may be used to achieve pulsatile expression of the compositions of the invention. As used here, “pulsatile” refers to a plurality of payload expression at spaced apart time intervals. Generally, upon administration of the stimulus, the expression of the payload is increased causing the first pulse; following the withdrawal of the stimulus, the expression of the payload decreases and this represents the interval time between the first exposure and the next exposure to the stimulus, after which the second exposure to the stimulus is initiated. Compositions of the invention may be used in varying doses to avoid T cell energy, prevent cytokine release syndrome and minimize toxicity associated with immunotherapy. For example, low doses of the compositions of the present invention may be used to initially treat patients with high tumor burden, while patients with low tumor burden may be treated with high and repeated doses of the compositions of the invention to ensure recognition of a minimal tumor antigen load. In another instance, the compositions of the present invention may be delivered in a pulsatile fashion to reduce tonic T cell signaling and enhance persistence in vivo. In some aspects, toxicity may be minimized by initially using low doses of the compositions of the invention, prior to administering high doses. Dosing may be modified if serum markers such as ferritin, serum C-reactive protein, IL6, IFN-γ, and TNF-α are elevated. Doses for pulsatile expression may be spaced apart in time intervals measured in seconds, hours, days, or months.

5. Genomic Editing Systems

In some embodiments, payloads of the present invention may be components of gene editing systems including a CRISPR (Clustered Regularly Interspaced Short Palindromic Repeats), CRISPR enzyme (Cas9), CRISPR-Cas9 or CRISPR system and CRISPR-CAS9 complex. It may also be other genomic editing systems, such as Zinc finger nucleases, TALEN (Transcription activator-like effector-based nucleases) and meganucleases.

Additional Features

The effector module of the present invention may further comprise a signal sequence which regulates the distribution of the payload of interest, a cleavage and/or processing feature which facilitate cleavage of the payload from the effector module construct, a targeting and/or penetrating signal which can regulate the cellular localization of the effector module, a tag, and/or one or more linker sequences which link different components (e.g. a DD and a payload) of the effector module.

1. Signal Sequences

In addition to the SRE (e.g., DD) and payload region, effector modules of the invention may further comprise one or more signal sequences. Signal sequences (sometimes referred to as signal peptides, targeting signals, target peptides, localization sequences, transit peptides, leader sequences or leader peptides) direct proteins (e.g., the effector module of the present invention) to their designated cellular and/or extracellular locations. Protein signal sequences play a central role in the targeting and translocation of nearly all secreted proteins and many integral membrane proteins.

A signal sequence is a short (5-30 amino acids long) peptide present at the N-terminus of the majority of newly synthesized proteins that are destined towards a particular location. Signal sequences can be recognized by signal recognition particles (SRPs) and cleaved using type I and type II signal peptide peptidases. Signal sequences derived from human proteins can be incorporated as a regulatory module of the effector module to direct the effector module to a particular cellular and/or extracellular location. These signal sequences are experimentally verified and can be cleaved (Zhang et al., Protein Sci. 2004, 13:2819-2824).

In some embodiments, a signal sequence may be, although not necessarily, located at the N-terminus or C-terminus of the effector module, and may be, although not necessarily, cleaved off the desired effector module to yield a “mature” payload, i.e., an immunotherapeutic agent as discussed herein.

In some examples, a signal sequence may be a secreted signal sequence derived from a naturally secreted protein, and its variant thereof. In some instances, the secreted signal sequences may be cytokine signal sequences such as, but not limited to, IL2 signal sequence comprising amino acid of SEQ ID NO. 2956, encoded by the nucleotide of SEQ ID NOs. 5739-5742 and/or p40 signal sequence comprising the amino acid sequence of SEQ ID NO. 2219, encoded by the nucleotide of SEQ ID NOs. 2219-2229 or a GMCSF leader sequence comprising the amino acid sequence of SEQ ID NOs. 5758-5760.

In some examples, a signal sequence may be a secreted signal sequence derived from a naturally secreted protein, and its variant thereof. In some instances, the secreted signal sequences may be cytokine signal sequences such as, but not limited to, L2 signal sequence comprising amino acid of SEQ. ID NO. 2801, encoded by the nucleotide of SEQ. ID NO. 1561-5764 and/or p40 signal sequence comprising the amino acid sequence of SEQ. ID NO. 5765, encoded by the nucleotide of SEQ. ID NO. 5766-5774.

In some examples, a signal sequence may be a secreted signal sequence derived from a naturally secreted protein, and its variant thereof. In some instances, the secreted signal sequences may be cytokine signal sequences such as, but not limited to, L2 signal sequence (amino acid of SEQ ID NO. 2776, encoded by the nucleic acid sequence of SEQ ID NO. 5775, 5776 and/or 5777, 5778), p40 signal sequence (amino acid sequence of SEQ ID NO. 5779, encoded by the nucleic acid sequence of SEQ ID NO. 5780-5788), or a GMCSF leader sequence (SEQ ID NO. 2762 (encoded by SEQ ID NO. 5789), 5790, 5791).

In some instances, signal sequences directing the payload to the surface membrane of the target cell may be used. Expression of the payload on the surface of the target cell may be useful to limit the diffusion of the payload to non-target in vivo environments, thereby potentially improving the safety profile of the payloads. Additionally, the membrane presentation of the payload may allow for physiologically and qualitative signaling as well as stabilization and recycling of the payload for a longer half-life. Membrane sequences may be the endogenous signal sequence of the N terminal component of the payload. Optionally, it may be desirable to exchange this sequence for a different signal sequence. Signal sequences may be selected based on their compatibility with the secretory pathway of the cell type of interest so that the payload is presented on the surface of the T cell. In some embodiments, the signal sequence may be IgE signal sequence comprising amino acid SEQ ID NO. 2957 and nucleotide sequence of SEQ ID NO. 5792, a CD8a signal sequence comprising amino acid SEQ ID NO. 1320 and nucleotide sequence of SEQ ID NOs. 5793-5797, 5798-5800 or an IL15Ra signal sequence, comprising amino acid SEQ ID NO. 5801 encoded by SEQ ID NO. 5802.

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In some instances, signal sequences directing the payload of interest to the surface membrane of the target cell may be used. Expression of the payload on the surface of the target cell may be useful to limit the diffusion of the payload to non-target in vivo environments, thereby potentially improving the safety profile of the payloads. Additionally, the membrane presentation of the payload may allow for physiologically and qualitative signaling as well as stabilization and recycling of the payload for a longer half-life. Membrane sequences may be the endogenous signal sequence of the N terminal component of the payload of interest. Optionally, it may be desirable to exchange this sequence for a different signal sequence. Signal sequences may be selected based on their compatibility with the secretory pathway of the cell type of interest so that the payload is presented on the surface of the T cell. In some embodiments, the signal sequence may be IgE signal sequence comprising amino acid SEQ. ID NO. 2802 and nucleotide sequence of SEQ. ID NO. 5803, 5804, or 5805, an IL15Ra signal sequence comprising amino acid SEQ. ID NO. 2882 and nucleotide sequence of SEQ. ID NO. 5806, or CD8a signal sequence (also referred to as CD8a leader) comprising amino acid SEQ. ID NO. 5807 and nucleotide sequence of SEQ. ID NO. 5808-5812.

In some instances, signal sequences directing the payload of interest to the surface membrane of the target cell may be used. Expression of the payload on the surface of the target cell may be useful to limit the diffusion of the payload to non-target in vivo environments, thereby potentially improving the safety profile of the payloads. Additionally, the membrane presentation of the payload may allow for physiologically and qualitative signaling as well as stabilization and recycling of the payload for a longer half-life. Membrane sequences may be the endogenous signal sequence of the N terminal component of the payload of interest. Optionally, it may be desirable to exchange this sequence for a different signal sequence. Signal sequences may be selected based on their compatibility with the secretory pathway of the cell type of interest so that the payload is presented on the surface of the T cell. In some embodiments, the signal sequence may be IgE signal sequence (amino acid SEQ ID NO. 5813 and nucleotide sequence of SEQ ID NO. 5814), CD8a signal sequence (also referred to as CD8a leader) (amino acid SEQ ID NO. 2766 and nucleotide sequence of SEQ ID NO. 5815-5819, and/or 5820) or an IL15Ra signal sequence (amino acid SEQ ID NO. 5821, encoded by SEQ ID NO. 5822).

Other examples of signal sequences include, a variant may be a modified signal sequence discussed in U.S. Pat. Nos. 8,148,494, 8,258,102, 9,133,265, 9,279,007, and U.S. Patent Application Publication No. 2007/0141666; and International Patent Publication NO. WO 1993/018181; the contents of each of which are incorporated herein by reference in their entirety. In other examples, a signal sequence may be a heterogeneous signal sequence from other organisms such as virus, yeast and bacteria, which can direct an effector module to a particular cellular site, such as a nucleus (e.g., EP 1209450). Other examples may include Aspartic Protease (NSP24) signal sequences from Trichoderma that can increase secretion of fused protein such as enzymes (e.g., U.S. Pat. No. 8,093,016 to Cervin and Kim), bacterial lipoprotein signal sequences (e.g., International Patent Publication NO. WO1991/09952 to Lau and Rioux), E. coli enterotoxin II signal peptides (e.g., U.S. Pat. No. 6,605,697 to Kwon et al.), E. coli secretion signal sequence (e.g., U.S. Patent Publication NO. 2016/090404 to Malley et al.), a lipase signal sequence from a methylotrophic yeast (e.g., U.S. Pat. No. 8,975,041), and signal peptides for DNases derived from Coryneform bacteria (e.g., U.S. Pat. No. 4,965,197); the contents of each of which are incorporated herein by reference in their entirety.

Signal sequences may also include nuclear localization signals (NLSs), nuclear export signals (NESs), polarized cell tubulo-vesicular structure localization signals (See, e.g., U.S. Pat. No. 8,993,742; Cour et al., Nucleic Acids Res. 2003, 31(1): 393-396; the contents of each of which are incorporated herein by reference in their entirety), extracellular localization signals, signals to subcellular locations (e.g. lysosome, endoplasmic reticulum, golgi, mitochondria, plasma membrane and peroxisomes, etc.) (See, e.g., U.S. Pat. No. 7,396,811; and Negi et al., Database, 2015, 1-7; the contents of each of which are incorporated herein by reference in their entirety).

In some embodiments, signal sequences of the present invention, include without limitation, any of those taught in Tables 6 or 7 of copending commonly owned U.S. Provisional Patent Application No. 62/320,864 filed on Apr. 11, 2016 or in U.S. Provisional Application No. 62/466,596 filed Mar. 3, 2017 and the International Publication WO2017/180587, the contents of each of which are incorporated herein by reference in their entirety.

In some examples, a signal sequence may be a secreted signal sequence derived from a naturally secreted protein, and its variant thereof. In some instances, the secreted signal sequences may be cytokine signal sequences such as, but not limited to, IL2 signal sequence comprising amino acid of SEQ ID NO: 2793, encoded by the nucleotide of SEQ ID NO: 5823-5826 and/or p40 signal sequence comprising the amino acid sequence of SEQ ID NO: 2748, encoded by the nucleotide of SEQ ID NO: 5827-5835.

In some instances, signal sequences directing the payload of interest to the surface membrane of the target cell may be used. Expression of the payload on the surface of the target cell may be useful to limit the diffusion of the payload to non-target in vivo environments, thereby potentially improving the safety profile of the payloads. Additionally, the membrane presentation of the payload may allow for physiologically and qualitative signaling as well as stabilization and recycling of the payload for a longer half-life. Membrane sequences may be the endogenous signal sequence of the N terminal component of the payload of interest. Optionally, it may be desirable to exchange this sequence for a different signal sequence. Signal sequences may be selected based on their compatibility with the secretory pathway of the cell type of interest so that the payload is presented on the surface of the T cell. In some embodiments, the signal sequence may be IgE signal sequence comprising amino acid SEQ ID NO: 2794 and nucleotide sequence of SEQ ID NO: 5836, 5837, or 5838, CD8a signal sequence (also referred to as CD8a leader) comprising amino acid SEQ ID NO: 2747 and nucleotide sequence of SEQ ID NO: 5839-5843, or IL15Ra signal sequence (also referred to as IL15Ra leader) comprising amino acid SEQ ID NO: 2815 and nucleotide sequence of SEQ ID NO: 5844.

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Other examples of signal sequences include, a variant may be a modified signal sequence discussed in U.S. Pat. Nos. 8,148,494; 8,258,102; 9,133,265; 9,279,007; and U.S. patent application publication NO.: 20070141666; and International patent application publication NO.: WO1993018181; the contents of each of which are incorporated herein by reference in their entirety.

In other examples, a signal sequence may be a heterogeneous signal sequence from other organisms such as virus, yeast and bacteria, which can direct an effector module to a particular cellular site, such as a nucleus (e.g., EP 1209450). Other examples may include Aspartic Protease (NSP24) signal sequences from Trichoderma that can increase secretion of fused protein such as enzymes (e.g., U.S. Pat. No. 8,093,016 to Cervin and Kim), bacterial lipoprotein signal sequences (e.g., PCT application publication NO.: WO199109952 to Lau and Rioux), E. coli enterotoxin II signal peptides (e.g., U.S. Pat. No. 6,605,697 to Kwon et al.), E. coli secretion signal sequence (e.g., U.S. patent publication NO.: US2016090404 to Malley et al.), a lipase signal sequence from a methylotrophic yeast (e.g., U.S. Pat. No. 8,975,041), and signal peptides for DNases derived from Coryneform bacteria (e.g., U.S. Pat. No. 4,965,197); the contents of each of which are incorporated herein by reference in their entirety.

In some embodiments, signal sequences of the present invention, include without limitation, any of those taught in Tables 6 or 7 of copending commonly owned U.S. Provisional Patent Application No. 62/320,864 filed on Apr. 11, 2016, or in U.S. Provisional Application No. 62/466,596 filed Mar. 3, 2017 and the International Publication WO2017/180587, the contents of each of which are incorporated herein by reference in their entirety.

In some embodiments, signal sequences of the present invention, include without limitation, any of those taught in Table 7 of copending commonly owned U.S. Provisional Patent Application No. 62/320,864, filed on Apr. 11, 2016, or in U.S. Provisional Application No. 62/466,596 filed Mar. 3, 2017 and the International Publication WO2017/180587, the contents of which are incorporated herein by reference in their entirety.

Protein Tags

In some embodiments, the effector module of the invention may comprise a protein tag. The protein tag may be used for detecting and monitoring the process of the effector module. The effector module may include one or more tags such as an epitope tag (e.g., a FLAG or hemagglutinin (HA) tag). A large number of protein tags may be used for the present effector modules. They include, but are not limited to, self-labeling polypeptide tags (e.g., haloalkane dehalogenase (halotag2 or halotag7), ACP tag, clip tag, MCP tag, snap tag), epitope tags (e.g., FLAG, HA, His, and Myc), fluorescent tags (e.g., green fluorescent protein (GFP), red fluorescent protein (RFP), yellow fluorescent protein (YFP), and its variants), bioluminescent tags (e.g. luciferase and its variants), affinity tags (e.g., maltose-binding protein (MBP) tag, glutathione-S-transferase (GST) tag), immunogenic affinity tags (e.g., protein A/G, IRS, AU1, AU5, glu-glu, KT3, S-tag, HSV, VSV-G, Xpress and V5), and other tags (e.g., biotin (small molecule), StrepTag (StrepII), SBP, biotin carboxyl carrier protein (BCCP), eXact, CBP, CYD, HPC, CBD intein-chitin binding domain, Trx, NorpA, and NusA.

In other embodiments, a tag may also be selected from those disclosed in U.S. Pat. Nos. 8,999,897; 8,357,511; 7,094, 568; 5,011,912; 4,851,341; and 4,703,004; U.S patent application publication NOs.: US2013115635 and US2013012687; and International application publication NO.: WO2013091661; the contents of each of which are incorporated herein by reference in their entirety.

In some aspects, a multiplicity of protein tags, either the same or different tags, may be used; each of the tags may be located at the same N- or C-terminus, whereas in other cases these tags may be located at each terminus.

In some embodiments, protein tags of the present invention, include without limitation, any of those taught in Table 8 of copending commonly owned U.S. Provisional Patent Application No. 62/320,864 filed on Apr. 11, 2016, or in U.S. Provisional Application No. 62/466,596 filed Mar. 3, 2017 and the International Publication WO2017/180587, the contents of each of which are incorporated herein by reference in their entirety.

2. Cleavage Sites

In some embodiments, the effector module comprises a cleavage and/or processing feature. The effector module of the present invention may include at least one protein cleavage signal/site. The protein cleavage signal/site may be located at the N-terminus, the C-terminus, at any space between the N- and the C-termini such as, but not limited to, half-way between the N- and C-termini, between the N-terminus and the half-way point, between the half-way point and the C-terminus, and combinations thereof.

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The effector module may include one or more cleavage signal(s)/site(s) of any proteinases. The proteinases may be a serine proteinase, a cysteine proteinase, an endopeptidase, a dipeptidase, a metalloproteinase, a glutamic proteinase, a threonine proteinase and an aspartic proteinase. In some aspects, the cleavage site may be a signal sequence of furin, actinidain, calpain-1, carboxypeptidase A, carboxypeptidase P, carboxypeptidase Y, caspase-1, caspase-2, caspase-3, caspase-4, caspase-5, caspase-6, caspase-7, caspase-8, caspase-9, caspase-10, cathepsin B, cathepsin C, cathepsin G, cathepsin H, cathepsin K, cathepsin L, cathepsin S, cathepsin V, clostripain, chymase, chymotrypsin, elastase, endoproteinase, enterokinase, factor Xa, formic acid, granzyme B, Matrix metallopeptidase-2, Matrix metallopeptidase-3, pepsin, proteinase K, SUMO protease, subtilisin, TEV protease, thermolysin, thrombin, trypsin and TAGZyme.

In one embodiment, the cleavage site is a furin cleavage site comprising the amino acid sequence SARNRQKRS (SEQ ID NO. 2984), encoded by nucleotide sequence of SEQ ID NO. 5845), or a revised furin cleavage site comprising the amino acid sequence ARNRQKRS (SEQ ID NO. 2985), encoded by nucleotide sequence of SEQ ID NO. 5846); or a modified furin site comprising the amino acid sequence ESRRVRRNKRSK (SEQ ID NO. 3079), encoded by nucleotide sequence of SEQ ID NO. 5847-5849); or a SGESRRVRRNKRSK (SEQ ID NO. 2986), encoded by the nucleotide sequence of SEQ ID NO. 5850. In some instances, the cleavage site is a P2A cleavage site, ATNFSLLKQAGDVEENPGP (SEQ ID NO. 2987), encoded by SEQ ID NO. 5851, wherein NPGP (SEQ ID NO. 2988) is the P2A site.

In one embodiment, the cleavage site is a furin cleavage site comprising the amino acid sequence SARNRQKRS (SEQ ID NO. 2989), encoded by nucleotide sequence of SEQ ID NO. 5852; or a revised furin cleavage site comprising the amino acid sequence ARNRQKRS (SEQ ID NO. 2990), encoded by nucleotide sequence of SEQ ID NO. 5853; modified furin site comprising the amino acid sequence ESRRVRRNKRSK (SEQ ID NO. 3083), encoded by nucleotide sequence of SEQ ID NO. 5854-5856; or a SGESRRVRRNKRSK (SEQ ID NO. 2991), encoded by the nucleotide sequence of SEQ ID NO. 5857. In some instances, the cleavage site is a P2A cleavage site ATNFSLLKQAGDVEENPGP (SEQ ID NO. 2992), encoded by SEQ ID NO. 5858, or GATNFSLLKQAGDVEENPGP (SEQ ID NO. 2993), encoded by SEQ ID NO. 5859), wherein NPGP (SEQ ID NO. 2994) is the P2A site.

In one embodiment, the cleavage site is a furin cleavage site comprising the amino acid sequence SARNRQKRS (SEQ. ID NO. 2995), encoded by nucleotide sequence of SEQ. ID NO. 5860; or a revised furin cleavage site comprising the amino acid sequence ARNRQKRS (SEQ. ID NO. 2996), encoded by nucleotide sequence of SEQ. ID NO. 5861; or a modified furin site comprising the amino acid sequence ESRRVRRNKRSK (SEQ. ID NO. 2997), encoded by nucleotide sequence of SEQ. ID NO. 5862-5864.

In some embodiments, cleavage sites of the present invention, include without limitation, any of those taught in Table 7 of copending commonly owned U.S. Provisional Patent Application No. 62/320,864 filed on Apr. 11, 2016 or in U.S. Provisional Application No. 62/466,596 filed Mar. 3, 2017 and the International Publication WO2017/180587, the contents of each of which are incorporated herein by reference in their entirety.

3. Protein Tags

In other embodiments, a tag may also be selected from those disclosed in U.S. Pat. Nos. 8,999,897, 8,357,511, 7,094,568, 5,011,912, 4,851,341, and 4,703,004; U.S Patent Application Publication NOs. 2013/115635 and 2013/012687; and International Patent Publication NO. WO2013/091661; the contents of each of which are incorporated herein by reference in their entirety.

In other embodiments, a tag may also be selected from those disclosed in U.S. Pat. Nos. 8,999,897; 8,357,511; 7,094, 568; 5,011,912; 4,851,341; and 4,703,004; U.S patent application publication NOs. US2013115635 and US2013012687; and International application publication NOS. WO2013091661; the contents of each of which are incorporated herein by reference in their entirety.

In one embodiment, the protein tag is an HA tag. A non-limiting example of an HA tag is YPYDVPDYA (SEQ ID NO. 2998, encoded by SEQ ID NO. 5865, 5866, and/or 5867).

In some embodiments, protein tags of the present invention, include without limitation, any of those taught in Table 8 of copending commonly owned U.S. Provisional Patent Application No. 62/320,864 filed on Apr. 11, 2016 or in U.S. Provisional Application No. 62/466,596 filed Mar. 3, 2017 and the International Publication WO2017/180587, the contents of each of which are incorporated herein by reference in their entirety.

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4. Targeting Peptides

In some embodiments, the effector module of the invention may further comprise a targeting and/or penetrating peptide. Small targeting and/or penetrating peptides that selectively recognize cell surface markers (e.g. receptors, trans-membrane proteins, and extra-cellular matrix molecules) can be employed to target the effector module to the desired organs, tissues or cells. Short peptides (5-50 amino acid residues) synthesized in vitro and naturally occurring peptides, or analogs, variants, derivatives thereof, may be incorporated into the effector module for homing the effector module to the desired organs, tissues and cells, and/or subcellular locations inside the cells.

In some embodiments, a targeting sequence and/or penetrating peptide may be included in the effector module to drive the effector module to a target organ, or a tissue, or a cell (e.g., a cancer cell). In other embodiments, a targeting and/or penetrating peptide may direct the effector module to a specific subcellular location inside a cell.

A targeting peptide has any number of amino acids from about 6 to about 30 inclusive. The peptide may have 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29 or 30 amino acids. Generally, a targeting peptide may have 25 or fewer amino acids, for example, 20 or fewer, for example 15 or fewer.

Exemplary targeting peptides may include, but are not limited to, those disclosed in the art, e.g., U.S. Pat. Nos. 9,206,231, 9,110,059, 8,706,219, and 8,772,449; and U.S. Patent Application Publication Nos. 2016/089447, 2016/060296, 2016/060314, 2016/060312, 2016/060311, 2016/009772, 2016/002613, 2015/314011 and 2015/166621; and International Patent Publication Nos. WO2015/179691 and WO2015/183044; the contents of each of which are incorporated herein by reference in their entirety. In some embodiments, targeting peptides of the present invention, include without limitation, any of those taught in Table 9 of copending commonly owned U.S. Provisional Patent Application No. 62/320,864 filed on Apr. 11, 2016 or in U.S. Provisional Application No. 62/466,596 filed Mar. 3, 2017 and the International Publication WO2017/180587, the contents of each of which are incorporated herein by reference in their entirety.

5. Linkers

In some embodiments, the effector module of the invention may further comprise a linker sequence. The linker region serves primarily as a spacer between two or more polypeptides within the effector module. The “linker” or “spacer”, as used herein, refers to a molecule or group of molecules that connects two molecules, or two parts of a molecule such as two domains of a recombinant protein.

In some embodiments, “Linker” (L) or “linker domain” or “linker region” or “linker module” or “peptide linker” as used herein refers to an oligo- or polypeptide region of from about 1 to 100 amino acids in length, which links together any of the domains/regions of the effector module (also called peptide linker). The peptide linker may be 1-40 amino acids in length, or 2-30 amino acids in length, or 20-80 amino acids in length, or 50-100 amino acids in length. Linker length may also be optimized depending on the type of payload utilized and based on the crystal structure of the payload. In some instances, a shorter linker length may be preferably selected. In some aspects, the peptide linker is made up of amino acids linked together by peptide bonds, preferably from 1 to 20 amino acids linked by peptide bonds, wherein the amino acids are selected from the 20 naturally occurring amino acids: Glycine (G), Alanine (A), Valine (V), Leucine (L), Isoleucine (I), Serine (S), Cysteine (C), Threonine (T), Methionine (M), Proline (P), Phenylalanine (F), Tyrosine (Y), Tryptophan (W), Histidine (H), Lysine (K), Arginine (R), Aspartate (D), Glutamic acid (E), Asparagine (N), and Glutamine (Q). One or more of these amino acids may be glycosylated, as is understood by those in the art. In some aspects, amino acids of a peptide linker may be selected from Alanine (A), Glycine (G), Proline (P), Asparagine (R), Serine (S), Glutamine (Q) and Lysine (K).

In one example, an artificially designed peptide linker may preferably be composed of a polymer of flexible residues like Glycine (G) and Serine (S) so that the adjacent protein domains are free to move relative to one another. Longer linkers may be used when it is desirable to ensure that two adjacent domains do not interfere with one another. The choice of a particular linker sequence may concern if it affects biological activity, stability, folding, targeting and/or pharmacokinetic features of the fusion construct. Examples of peptide linkers include, but are not limited to. SG, MH, GGSG (SEQ ID NO. 2999; encoded by the nucleotide sequence SEQ ID NO 5868), GGSGG (SEQ ID NO. 3078; encoded by any of the nucleotide sequences SEQ ID NO. 5869-5873), GGSGGG (SEQ ID NO. 1183; encoded by any of the nucleotide sequences SEQ ID NO. 5874-5875), SGGGS (SEQ ID NO. 2971; encoded by the nucleotide sequence SEQ ID NO. 5876), GGSGGGSGG (SEQ ID NO. 3038; encoded by the nucleotide sequence SEQ ID NO. 5877), GGGGG (SEQ ID NO. 3000), GGGGS (SEQ ID NO. 3002) or (GGGGS)n (n=1 (SEQ ID NO. 3002), 2 (SEQ ID NO. 3003), 3 (SEQ ID NO. 3004), 4 (SEQ ID NO. 3005), 5 (SEQ ID NO 3006), or 6 (SEQ ID NO. 3007)), SSSSG (SEQ ID NO. 3008) or (SSSSG)n (n=1 (SEQ ID NO. 3008), 2 (SEQ ID NO. 3009), 3 (SEQ ID NO. 3010), 4 (SEQ ID NO. 3011), 5 (SEQ ID NO. 3012), or 6 (SEQ ID NO. 3013)), SGGGSGGGGSGGGGSGGGGSGGGSLQ (SEQ ID NO. 2960; encoded by the nucleotide sequence SEQ ID NO. 5878), EFSTEF (SEQ ID NO. 3014 encoded by any of the nucleotide sequences SEQ ID NO. 5879-5880), SGGGS (SEQ ID NO. 3015; encoded by the nucleotide sequence SEQ ID NO. 5881), GKSSGSGSESKS (SEQ ID NO. 3016), GGSTSGSGKSSEGKG (SEQ ID NO. 3017), GSTSGSGKSSSEGSGSTKG (SEQ ID NO. 3018), GSTSGSGKPGSGEGSTKG (SEQ ID NO. 3019), VDYPYDVPDYALD (SEQ ID NO. 3020; encoded by nucleotide sequence SEQ ID NO. 5882), EGKSSGSGSESKEF (SEQ ID NO. 3021), SG3-(SG4)3-SG3-SLQ-YPYDVPDYA (SEQ ID NO. 3022), encoded by the nucleotide sequence of SEQ ID NO. 5883; DYKDDDDK (SEQ ID NO. 3023), encoded by the nucleotide sequence of SEQ ID NO. 5884; SG3-(SG4)5-SG3-S(SEQ ID NO. 3024), encoded by SEQ ID NO. 5885; GGGGSGGGGSGGGGS (SEQ ID NO. 2962), encoded by SEQ ID NO. 5886-5891; SGGGSGGGGSGGGGSGGGGSYPYDVPDYASGGGS (SEQ ID NO. 3025), encoded by SEQ ID NO. 5892; GSGATNFSLLKQAGDVEENPGP (SEQ ID NO. 3026), encoded by SEQ ID NO. 5893; or SGGGGSGGGGSGGGGSGGGSLQ (SEQ ID NO. 3027).

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In one example, an artificially designed peptide linker may preferably be composed of a polymer of flexible residues like Glycine (G) and Serine (S) so that the adjacent protein domains are free to move relative to one another. Longer linkers may be used when it is desirable to ensure that two adjacent domains do not interfere with one another. The choice of a particular linker sequence may concern if it affects biological activity, stability, folding, targeting and/or pharmacokinetic features of the fusion construct. Examples of peptide linkers include, but are not limited to: MH, SG, GGSG (SEQ ID NO. 3035; encoded by the nucleotide sequence SEQ ID NO. 5904), GGSGG (SEQ ID NO. 3036; encoded by any of the nucleotide sequences SEQ ID NO. 5905-5909), GGSGGG (SEQ ID NO. 3037; encoded by any of the nucleotide sequences SEQ ID NO. 5910-5911), SGGGS (SEQ ID NO. 2977; encoded by the nucleotide sequence SEQ ID NO. 5912, 5913, 5914), GGSGGGSGG (SEQ ID NO. 3038; encoded by the nucleotide sequence SEQ ID NO. 5915), GGGGG (SEQ ID NO. 3039), GGGGS (SEQ ID NO. 3040) or (GGGGS)n (n=1 (SEQ ID NO. 3040), 2 (SEQ ID NO. 3041), 3 (SEQ ID NO. 3042, encoded by 5916, 5917, 5918, 5919, 5920, 5921), 4 (SEQ ID NO. 3044), 5 (SEQ ID NO. 3045), or 6 (SEQ ID NO. 3046)), SSSSG (SEQ ID NO. 3047) or (SSSSG)n (n=1 (SEQ ID NO. 3047), 2 (SEQ ID NO. 3048), 3 (SEQ ID NO. 3049), 4 (SEQ ID NO. 3050), 5 (SEQ ID NO. 3051), or 6 (SEQ ID NO. 3052)), SGGGSGGGGSGGGGSGGGGSGGGSLQ (SEQ ID NO. 3043; encoded by the nucleotide sequence SEQ ID NO. 5922, 5923-5928), EFSTEF (SEQ ID NO. 2761; encoded by any of the nucleotide sequences SEQ ID NO. 5929, 5930), GKSSGSGSESKS (SEQ ID NO. 3053), GGSTSGSGKSSEGKG (SEQ ID NO. 3054), GSTSGSGKSSSEGSGSTKG (SEQ ID NO. 3055), GSTSGSGKPGSGEGSTKG (SEQ ID NO. 3056), VDYPYDVPDYALD (SEQ ID NO. 2976; encoded by nucleotide sequence SEQ ID NO. 5931), EGKSSGSGSESKEF (SEQ ID NO. 3028), SG3-(SG4)3-SG3-SLQ-YPYDVPDYA (SEQ ID NO. 3029), encoded by the nucleotide sequence of SEQ ID NO. 5932; DYKDDDDK (SEQ ID NO. 3030), encoded by the nucleotide sequence of SEQ ID NO. 5933; SG3-(SG4)5-SG3-S(SEQ ID NO. 3031), encoded by SEQ ID NO. 5934; SGGGSGGGGSGGGGSGGGGSYPYDVPDYASGGGS (SEQ ID NO. 3032), encoded by SEQ ID NO. 5935; GSGATNFSLLKQAGDVEENPGP (SEQ ID NO. 3034), encoded by SEQ ID NO. 5936; SGGGSGGGGSGGGGSGGGGS (SEQ ID NO. 3057), encoded by the nucleotide sequence of SEQ ID NO. 5937; QLIGMLQGLMRDL (SEQ ID NO. 3082), encoded by SEQ ID NO. 5938; ASFE (SEQ ID NO. 2763), encoded by SEQ ID NO. 5939; GS (encoded by GGTTCC), SG (encoded by AGCGGC), EF (encoded by GAGTTC), TS (encoded by ACTAGT), HM (encoded by CACATG), MH (encoded by ATGCAC) or GSG (encoded by GGATCCGGA or GGATCCGGT).

In other examples, a peptide linker may be made up of a majority of amino acids that are sterically unhindered, such as Glycine (G) and Alanine (A). Exemplary linkers are polyglycines (such as (G) 4 (SEQ ID NO. 3058), (G) 5 (SEQ ID NO. 3001), (G) 8 (SEQ ID NO. 3059)), poly(GA), and polyalanines. The linkers described herein are exemplary, and linkers that are much longer and which include other residues are contemplated by the present invention.

A linker sequence may be a natural linker derived from a multi-domain protein. A natural linker is a short peptide sequence that separates two different domains or motifs within a protein.

In some aspects, linkers may be flexible or rigid. In other aspects, linkers may be cleavable or non-cleavable. As used herein, the terms “cleavable linker domain or region” or “cleavable peptide linker” are used interchangeably. In some embodiments, the linker sequence may be cleaved enzymatically and/or chemically. Examples of enzymes (e.g., proteinase/peptidase) useful for cleaving the peptide linker include, but are not limited, to Arg-C proteinase, Asp-N endopeptidase, chymotrypsin, clostripain, enterokinase, Factor Xa, glutamyl endopeptidase, Granzyme B, Achromobacter proteinase I, pepsin, proline endopeptidase, proteinase K, Staphylococcal peptidase I, thermolysin, thrombin, trypsin, and members of the Caspase family of proteolytic enzymes (e.g. Caspases 1-10). Chemical sensitive cleavage sites may also be included in a linker sequence. Examples of chemical cleavage reagents include, but are not limited to, cyanogen bromide, which cleaves methionine residues; N-chloro succinimide, iodobenzoic acid or BNPS-skatole [2-(2-nitrophenylsulfenyl)-3-methylindole], which cleaves tryptophan residues; dilute acids, which cleave at aspartyl-prolyl bonds; and e aspartic acid-proline acid cleavable recognition sites (i.e., a cleavable peptide linker comprising one or more D-P dipeptide moieties). The fusion module may include multiple regions encoding peptides of interest separated by one or more cleavable peptide linkers.

›DETAILED DESCRIPTION OF THE INVENTION · 53 of 58

In other embodiments, a cleavable linker may be a “self-cleaving” linker peptide, such as 2A linkers (for example T2A), 2A-like linkers or functional equivalents thereof and combinations thereof. In some embodiments, the linkers include the picornaviral 2A-like linker, CHYSEL sequences of porcine teschovirus (P2A), Thosea asigna virus (T2A) or combinations, variants and functional equivalents thereof. Other linkers will be apparent to those skilled in the art and may be used in connection with alternate embodiments of the invention.

As a non-limiting example, the P2A cleavable peptide may be GATNFSLLKQAGDVEENPGP (SEQ. ID NO. 2806; encoded by SEQ. ID NO. 5940).

In other embodiments, a cleavable linker may be a “self-cleaving” linker peptide, such as 2A linker (for example T2A), 2A-like linkers or functional equivalents thereof and combinations thereof. In some embodiments, the linkers include the picornaviral 2A-like linker, CHYSEL sequences of porcine teschovirus (P2A), Thosea asigna virus (T2A) or combinations, variants and functional equivalents thereof. In some embodiments, the biocircuits of the present invention may include 2A peptides. The 2A peptide is a sequence of about 20 amino acid residues from a virus that is recognized by a protease (2A peptidases) endogenous to the cell. The 2A peptide was identified among picornaviruses, a typical example of which is the Foot- and Mouth disease virus (Robertson B H, et. al., J Virol 1985, 54:651-660). 2A-like sequences have also been found in Picornaviridae like equine rhinitis A virus, as well as unrelated viruses such as porcine teschovirus-1 and the insect Thosea asigna virus (TaV). In such viruses, multiple proteins are derived from a large polyprotein encoded by an open reading frame. The 2A peptide mediates the co-translational cleavage of this polyprotein at a single site that forms the junction between the virus capsid and replication polyprotein domains. The 2A sequences contain the consensus motif D-V/I-E-X-N-P-G-P (SEQ ID NO. 3060 (where the second amino acid is V) or SEQ ID NO. 3084 (where the second amino acid is I)). These sequences are thought to act co-translationally, preventing the formation of a normal peptide bond between the glycine and last proline, resulting in the ribosome skipping of the next codon (Donnelly M L et al. (2001). J Gen Virol, 82:1013-1025). After cleavage, the short peptide remains fused to the C-terminus of the protein upstream of the cleavage site, while the proline is added to the N-terminus of the protein downstream of the cleavage site. Of the 2A peptides identified to date, four have been widely used namely FMDV 2A (abbreviated herein as F2A); equine rhinitis A virus (ERAV) 2A (E2A); porcine teschovirus-12A (P2A) and Thoseaasigna virus 2A (T2A). In some embodiments, the 2A peptide sequences useful in the present invention are selected from SEQ ID NO. 8-11 of International Patent Publication WO2010042490, the contents of which are incorporated by reference in its entirety.

The linkers of the present invention may also be non-peptide linkers. For example, alkyl linkers such as —NH—(CH 2 ) a-C(O)—, wherein a=2-20 can be used. These alkyl linkers may further be substituted by any non-sterically hindering group such as lower alkyl (e.g., C 1 -C 6 ) lower acyl, halogen (e.g., Cl, Br), CN, NH 2 , phenyl, etc.

In some aspects, the linker may be an artificial linker from U.S. Pat. Nos. 4,946,778; 5,525,491; 5,856,456; and International patent publication NOs.: WO2012/083424; the contents of each of which are incorporated herein by reference in their entirety.

In some embodiments, linkers of the present invention, include without limitation, any of those taught in Table 11 of copending commonly owned U.S. Provisional Patent Application No. 62/320,864 filed on Apr. 11, 2016, or in U.S. Provisional Application No. 62/466,596 filed Mar. 3, 2017 and the International Publication WO2017/180587, the contents of each of which are incorporated herein by reference in their entirety.

In one embodiment, the linker may be a spacer region of one or more nucleotides. Non-limiting examples of spacers are TCTAGATAATACGACTCACTAGAGATCC (SEQ ID NO: 2819), TATGGCCACAACCATG (SEQ ID NO: 2820), AATCTAGATAATACGACTCACTAGAGATCC (SEQ ID NO: 2821), GCTTGCCACAACCCACAAGGAGACGACCTTCC (SEQ ID NO: 2760), TCGCGAATG, or TCGCGA.

In one embodiment, the linker may be a BamHI site. As a non-limiting example, the BamHI site has the amino acid sequence GS and/or the DNA sequence GGATCC.

Other linkers will be apparent to those skilled in the art and may be used in connection with alternate embodiments of the invention.

In some aspects, the linker may be an artificial linker from U.S. Pat. Nos. 4,946,778, 5,525,491, 5,856,456; and International Patent Publication NO. WO2012/083424; the contents of each of which are incorporated herein by reference in their entirety.

In some embodiments, linkers of the present invention, include without limitation, any of those taught in Table 11 of copending commonly owned U.S. Provisional Patent Application No. 62/320,864 filed on Apr. 11, 2016 or in U.S. Provisional Application No. 62/466,596 filed Mar. 3, 2017 and the International Publication WO2017/180587, the contents of each of which are incorporated herein by reference in their entirety.

In some embodiments, compositions of the invention may include optional proteasome adaptors. As used herein, the term “proteasome adaptor” refers to any nucleotide/amino acid sequence that targets the appended payload for degradation. In some aspects, the adaptors target the payload for degradation directly thereby circumventing the need for ubiquitination reactions. Proteasome adaptors may be used in conjunction with destabilizing domains to reduce the basal expression of the payload. Exemplary proteasome adaptors include the UbL domain of Rad23 or hHR23b, HPV E7 which binds to both the target protein Rb and the S4 subunit of the proteasome with high affinity, which allows direct proteasome targeting, bypassing the ubiquitination machinery; the protein gankyrin which binds to Rb and the proteasome subunit S6.

›DETAILED DESCRIPTION OF THE INVENTION · 54 of 58

6. Embedded Stimulus, Signals and Other Regulatory Features

In some embodiments, the effector module of the present invention may further comprise one or more microRNAs, microRNA binding sites, promotors and tunable elements. In one embodiment, microRNA may be used in support of the creation of tunable biocircuits. Each aspect or tuned modality may bring to the effector module or biocircuit a differentially tuned feature. For example, a destabilizing domain may alter cleavage sites or dimerization properties or half-life of the payload, and the inclusion of one or more microRNA or microRNA binding site may impart cellular detargeting or trafficking features. Consequently, the present invention embraces biocircuits which are multifactorial in their tenability. Such biocircuits and effector modules may be engineered to contain one, two, three, four or more tuned features. In some embodiments, micro RNA sequences of the present invention, include without limitation, any of those taught in Table 13 of copending commonly owned U.S. Provisional Patent Application No. 62/320,864, filed on Apr. 11, 2016, or in U.S. Provisional Application No. 62/466,596 filed Mar. 3, 2017 and the International Publication WO2017/180587, the contents of which are incorporated herein by reference in their entirety.

microRNAs (or miRNA) are 19-25 nucleotide long noncoding RNAs that bind to the 3′UTR of nucleic acid molecules and down-regulate gene expression either by reducing nucleic acid molecule stability or by inhibiting translation. The polynucleotides of the invention may comprise one or more microRNA target sequences, microRNA sequences, or microRNA seeds. Such sequences may correspond to any known microRNA such as those taught in US Publication Nos. US2005/0261218 and US2005/0059005, the contents of each of which are incorporated herein by reference in their entirety. As a non-limiting embodiment, known microRNAs, their sequences and their binding site sequences in the human genome are in Table 14 of the commonly owned U.S. Ser. No. 62/320,864 filed on Apr. 11, 2016 or in U.S. Provisional Application No. 62/466,596 filed Mar. 3, 2017 and the International Publication WO2017/180587, the contents of each of which are incorporated herein by reference in their entirety.

A microRNA sequence comprises a “seed” region, i.e., a sequence in the region of positions 2-8 of the mature microRNA, which sequence has perfect Watson-Crick complementarity to the miRNA target sequence. A microRNA seed may comprise positions 2-8 or 2-7 of the mature microRNA. In some embodiments, a microRNA seed may comprise 7 nucleotides (e.g., nucleotides 2-8 of the mature microRNA), wherein the seed-complementary site in the corresponding miRNA target is flanked by an adenine (A) opposed to microRNA position 1. In some embodiments, a microRNA seed may comprise 6 nucleotides (e.g., nucleotides 2-7 of the mature microRNA), wherein the seed-complementary site in the corresponding miRNA target is flanked by an adenine (A) opposed to microRNA position 1. See for example, Grimson A, Farh K K, Johnston W K, Garrett-Engele P, Lim L P, Bartel D P; Mol Cell. 2007 Jul. 6; 27(1):91-105. The bases of the microRNA seed have complete complementarity with the target sequence. By engineering microRNA target sequences into the polynucleotides encoding the biocircuit components, effector modules, SREs or payloads of the invention one can target the molecule for degradation or reduced translation, provided the microRNA in question is available. This process will reduce the hazard of off target effects upon nucleic acid molecule delivery.

Identification of microRNA, microRNA target regions, and their expression patterns and role in biology have been reported (Bonauer et al., Curr Drug Targets 2010 11:943-949; Anand and Cheresh Curr Opin Hematol 2011 18:171-176; Contreras and Rao Leukemia 2012 26:404-413 (2011 Dec. 20. doi: 10.1038/leu.2011.356); Bartel Cell 2009 136:215-233; Landgraf et al, Cell, 2007 129:1401-1414; Gentner and Naldini, Tissue Antigens. 2012 80:393-403 and all references therein; each of which is herein incorporated by reference in its entirety).

For example, if the polynucleotide is not intended to be delivered to the liver but ends up there, then miR-122, a microRNA abundant in liver, can inhibit the expression of the polynucleotide if one or multiple target sites of miR-122 are engineered into the polynucleotide. Introduction of one or multiple binding sites for different microRNA can be engineered to further decrease the longevity, stability, and protein translation of a polynucleotide hence providing an additional layer of tenability beyond the stimulus selection, SRE design and payload variation.

As used herein, the term “microRNA site” refers to a microRNA target site or a microRNA recognition site, or any nucleotide sequence to which a microRNA binds or associates. It should be understood that “binding” may follow traditional Watson-Crick hybridization rules or may reflect any stable association of the microRNA with the target sequence at or adjacent to the microRNA site.

Conversely, for the purposes of the polynucleotides of the present invention, microRNA binding sites can be engineered out of (i.e. removed from) sequences in which they naturally occur in order to increase protein expression in specific tissues. For example, miR-122 binding sites may be removed to improve protein expression in the liver.

Regulation of expression in multiple tissues can be accomplished through introduction or removal or one or several microRNA binding sites.

Specifically, microRNAs are known to be differentially expressed in immune cells (also called hematopoietic cells), such as antigen presenting cells (APCs) (e.g. dendritic cells and macrophages), macrophages, monocytes, B lymphocytes, T lymphocytes, granulocytes, natural killer cells, etc. Immune cell specific microRNAs are involved in immunogenicity, autoimmunity, the immune-response to infection, inflammation, as well as unwanted immune response after gene therapy and tissue/organ transplantation. Immune cells specific microRNAs also regulate many aspects of development, proliferation, differentiation and apoptosis of hematopoietic cells (immune cells). For example, miR-142 and miR-146 are exclusively expressed in the immune cells, particularly abundant in myeloid dendritic cells. Introducing the miR-142 binding site into the 3′-UTR of a polypeptide of the present invention can selectively suppress the gene expression in the antigen presenting cells through miR-142 mediated mRNA degradation, limiting antigen presentation in professional APCs (e.g. dendritic cells) and thereby preventing antigen-mediated immune response after gene delivery (see, Annoni A et al., blood, 2009, 114, 5152-5161, the content of which is herein incorporated by reference in its entirety.)

›DETAILED DESCRIPTION OF THE INVENTION · 55 of 58

In one embodiment, microRNAs binding sites that are known to be expressed in immune cells, in particular, the antigen presenting cells, can be engineered into the polynucleotides to suppress the expression of the polynucleotide in APCs through microRNA mediated RNA degradation, subduing the antigen-mediated immune response, while the expression of the polynucleotide is maintained in non-immune cells where the immune cell specific microRNAs are not expressed.

Many microRNA expression studies have been conducted, and are described in the art, to profile the differential expression of microRNAs in various cancer cells/tissues and other diseases. Some microRNAs are abnormally over-expressed in certain cancer cells and others are under-expressed. For example, microRNAs are differentially expressed in cancer cells (WO2008/154098, US2013/0059015, US2013/0042333, WO2011/157294); cancer stem cells (US2012/0053224); pancreatic cancers and diseases (US2009/0131348, US2011/0171646, US2010/0286232, U.S. Pat. No. 8,389,210); asthma and inflammation (U.S. Pat. No. 8,415,096); prostate cancer (US2013/0053264); hepatocellular carcinoma (WO2012/151212, US2012/0329672, WO2008/054828, U.S. Pat. No. 8,252,538); lung cancer cells (WO2011/076143, WO2013/033640, WO2009/070653, US2010/0323357); cutaneous T cell lymphoma (WO2013/011378); colorectal cancer cells (WO2011/0281756, WO2011/076142); cancer positive lymph nodes (WO2009/100430, US2009/0263803); nasopharyngeal carcinoma (EP2112235); chronic obstructive pulmonary disease (US2012/0264626, US2013/0053263); thyroid cancer (WO2013/066678); ovarian cancer cells (US2012/0309645, WO2011/095623); breast cancer cells (WO2008/154098, WO2007/081740, US2012/0214699), leukemia and lymphoma (WO2008/073915, US2009/0092974, US2012/0316081, US2012/0283310, WO2010/018563, the content of each of which is incorporated herein by reference in their entirety).

In some embodiments, micro RNA sequences of the present invention, include without limitation, any of those taught in Table 13 of copending commonly owned U.S. Provisional Patent Application No. 62/320,864 filed on Apr. 11, 2016, or in U.S. Provisional Application No. 62/466,596 filed Mar. 3, 2017 and the International Publication WO2017/180587, the contents of each of which are incorporated herein by reference in their entirety.

In one embodiment, microRNA may be used as described herein in support of the creation of tunable biocircuits.

In some embodiments, effector modules may be designed to encode (as a DNA or RNA or mRNA) one or more payloads, SREs and/or regulatory sequence such as a microRNA or microRNA binding site. In some embodiments, any of the encoded payloads or SREs may be stabilized or de-stabilized by mutation and then combined with one or more regulatory sequences to generate a dual or multi-tuned effector module or biocircuit system.

Each aspect or tuned modality may bring to the effector module or biocircuit a differentially tuned feature. For example, an SRE may represent a destabilizing domain, while mutations in the protein payload may alter its cleavage sites or dimerization properties or half-life and the inclusion of one or more microRNA or microRNA binding site may impart cellular detargeting or trafficking features. Consequently, the present invention embraces biocircuits which are multifactorial in their tenability.

Such biocircuits may be engineered to contain one, two, three, four or more tuned features.

In some embodiments, microRNA sequences of the present invention, include without limitation, any of those taught in Table 13 of copending commonly owned U.S. Provisional Patent Application No. 62/320,864 filed on Apr. 11, 2016 or in U.S. Provisional Application No. 62/466,596 filed Mar. 3, 2017 and the International Publication WO2017/180587, the contents of each of which are incorporated herein by reference in their entirety.

Polynucleotides

The present invention provides polynucleotides encoding novel hDHFR DDs, effector modules comprising payloads and associated DDs, biocircuit systems comprising DDs and effector modules, and other components of the present invention.

The term “polynucleotide” or “nucleic acid molecule” in its broadest sense, includes any compound and/or substance that comprise a polymer of nucleotides, e.g., linked nucleosides. These polymers are often referred to as polynucleotides. Exemplary nucleic acids or polynucleotides of the invention include, but are not limited to, ribonucleic acids (RNAs), deoxyribonucleic acids (DNAs), threose nucleic acids (TNAs), glycol nucleic acids (GNAs), peptide nucleic acids (PNAs), locked nucleic acids (LNAs, including LNA having a β-D-ribo configuration, α-LNA having an α-L-ribo configuration (a diastereomer of LNA), 2′-amino-LNA having a 2′-amino functionalization, and 2′-amino-α-LNA having a 2′-amino functionalization) or hybrids thereof.

›DETAILED DESCRIPTION OF THE INVENTION · 56 of 58

In some embodiments, polynucleotides of the invention may be a messenger RNA (mRNA) or any nucleic acid molecule and may or may not be chemically modified. In one aspect, the nucleic acid molecule is a mRNA. As used herein, the term “messenger RNA (mRNA)” refers to any polynucleotide which encodes a polypeptide of interest and which is capable of being translated to produce the encoded polypeptide of interest in vitro, in vivo, in situ or ex vivo.

Traditionally, the basic components of an mRNA molecule include at least a coding region, a 5′UTR, a 3′UTTR, a 5′ cap and a poly-A tail. Building on this wild type modular structure, the present invention expands the scope of functionality of traditional mRNA molecules by providing payload constructs which maintain a modular organization, but which comprise one or more structural and/or chemical modifications or alterations which impart useful properties to the polynucleotide, for example tenability of function. As used herein, a “structural” feature or modification is one in which two or more linked nucleosides are inserted, deleted, duplicated, inverted or randomized in a polynucleotide without significant chemical modification to the nucleosides themselves. Because chemical bonds will necessarily be broken and reformed to effect a structural modification, structural modifications are of a chemical nature and hence are chemical modifications. However, structural modifications will result in a different sequence of nucleotides. For example, the polynucleotide “ATCG” may be chemically modified to “AT-5meC-G”. The same polynucleotide may be structurally modified from “ATCG” to “ATCCCG”. Here, the dinucleotide “CC” has been inserted, resulting in a structural modification to the polynucleotide.

In some embodiments, polynucleotides of the present invention may harbor 5′UTR sequences which play a role in translation initiation. 5′UTR sequences may include features such as Kozak sequences which are commonly known to be involved in the process by which the ribosome initiates translation of genes, Kozak sequences have the consensus XCCR(A/G)CC-start codon (AUG), where R is a purine (adenine or guanine) three bases upstream of the start codon (AUG) and X is any nucleotide. In one embodiment, the Kozak sequence is ACCGCC. By engineering the features that are typically found in abundantly expressed genes of target cells or tissues, the stability and protein production of the polynucleotides of the invention can be enhanced.

In some embodiments, polynucleotides of the present invention may harbor 5′UTR sequences which play a role in translation initiation. 5′UTR sequences may include features such as Kozak sequences which are commonly known to be involved in the process by which the ribosome initiates translation of genes, Kozak sequences have the consensus XCCR(A/G) CCAUG, where R is a purine (adenine or guanine) three bases upstream of the start codon (AUG) and X is any nucleotide. In one embodiment, the Kozak sequence is ACCGCC.

In some embodiments, polynucleotides of the present invention may harbor 5′UTR sequences which play a role in translation initiation. 5′UTR sequences may include features such as Kozak sequences which are commonly known to be involved in the process by which the ribosome initiates translation of genes, Kozak sequences have the consensus XCCR(A/G) CCAUG, where R is a purine (adenine or guanine) three bases upstream of the start codon (AUG) and X is any nucleotide. In one embodiment, the Kozak sequence is ACCGCC. By engineering the features that are typically found in abundantly expressed genes of target cells or tissues, the stability and protein production of the polynucleotides of the invention can be enhanced.

Further provided are polynucleotides, which may contain an internal ribosome entry site (IRES) which play an important role in initiating protein synthesis in the absence of 5′ cap structure in the polynucleotide. An IRES may act as the sole ribosome binding site, or may serve as one of the multiple binding sites. Polynucleotides of the invention containing more than one functional ribosome binding site may encode several peptides or polypeptides that are translated independently by the ribosomes giving rise to bicistronic and/or multicistronic nucleic acid molecules.

In some embodiments, polynucleotides encoding biocircuits, effector modules, SREs and payloads of interest such as immunotherapeutic agents may include from about 30 to about 100,000 nucleotides (e.g., from 30 to 50, from 30 to 100, from 30 to 250, from 30 to 500, from 30 to 1,000, from 30 to 1,500, from 30 to 3,000, from 30 to 5,000, from 30 to 7,000, from 30 to 10,000, from 30 to 25,000, from 30 to 50,000, from 30 to 70,000, from 100 to 250, from 100 to 500, from 100 to 1,000, from 100 to 1,500, from 100 to 3,000, from 100 to 5,000, from 100 to 7,000, from 100 to 10,000, from 100 to 25,000, from 100 to 50,000, from 100 to 70,000, from 100 to 100,000, from 500 to 1,000, from 500 to 1,500, from 500 to 2,000, from 500 to 3,000, from 500 to 5,000, from 500 to 7,000, from 500 to 10,000, from 500 to 25,000, from 500 to 50,000, from 500 to 70,000, from 500 to 100,000, from 1,000 to 1,500, from 1,000 to 2,000, from 1,000 to 3,000, from 1,000 to 5,000, from 1,000 to 7,000, from 1,000 to 10,000, from 1,000 to 25,000, from 1,000 to 50,000, from 1,000 to 70,000, from 1,000 to 100,000, from 1,500 to 3,000, from 1,500 to 5,000, from 1,500 to 7,000, from 1,500 to 10,000, from 1,500 to 25,000, from 1,500 to 50,000, from 1,500 to 70,000, from 1,500 to 100,000, from 2,000 to 3,000, from 2,000 to 5,000, from 2,000 to 7,000, from 2,000 to 10,000, from 2,000 to 25,000, from 2,000 to 50,000, from 2,000 to 70,000, and from 2,000 to 100,000 nucleotides). In some aspects, polynucleotides of the invention may include more than 10,000 nucleotides.

Regions of the polynucleotides which encode certain features such as cleavage sites, linkers, trafficking signals, tags or other features may range independently from 10-1,000 nucleotides in length (e.g., greater than 20, 30, 40, 45, 50, 55, 60, 70, 80, 90, 100, 120, 140, 160, 180, 200, 250, 300, 350, 400, 450, 500, 600, 700, 800, and 900 nucleotides or at least 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 70, 80, 90, 100, 120, 140, 160, 180, 200, 250, 300, 350, 400, 450, 500, 600, 700, 800, 900, and 1,000 nucleotides).

›DETAILED DESCRIPTION OF THE INVENTION · 57 of 58

In some embodiments, polynucleotides of the present invention may further comprise embedded regulatory moieties such as microRNA binding sites within the 3′UTR of nucleic acid molecules which when bind to microRNA molecules, down-regulate gene expression either by reducing nucleic acid molecule stability or by inhibiting translation. Conversely, for the purposes of the polynucleotides of the present invention, microRNA binding sites can be engineered out of (i.e. removed from) sequences in which they naturally occur in order to increase protein expression in specific tissues. For example, miR-142 and miR-146 binding sites may be removed to improve protein expression in the immune cells. In some embodiments, any of the encoded payloads may be may be regulated by an SRE and then combined with one or more regulatory sequences to generate a dual or multi-tuned effector module or biocircuit system.

In some embodiments, polynucleotides of the present invention may encode fragments, variants, derivatives of polypeptides of the inventions. In some aspects, the variant sequence may keep the same or a similar activity. Alternatively, the variant may have an altered activity (e.g., increased or decreased) relative to the start sequence. Generally, variants of a particular polynucleotide or polypeptide of the invention will have at least about 40%, 45%, 50%, 55%, 60%, 65%, 70%, 75%, 80%, 85%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98%, 99% but less than 100% sequence identity to that particular reference polynucleotide or polypeptide as determined by sequence alignment programs and parameters described herein and known to those skilled in the art. Such tools for alignment include those of the BLAST suite (Stephen et al., Gapped BLAST and PSI-BLAST: a new generation of protein database search programs, Nucleic Acids Res., 1997, 25:3389-3402.)

In some embodiments, polynucleotides of the present invention may be modified. As used herein, the terms “modified”, or as appropriate, “modification” refers to chemical modification with respect to A, G, U (T in DNA) or C nucleotides. Modifications may be on the nucleoside base and/or sugar portion of the nucleosides which comprise the polynucleotide. In some embodiments, multiple modifications are included in the modified nucleic acid or in one or more individual nucleoside or nucleotide. For example, modifications to a nucleoside may include one or more modifications to the nucleobase and the sugar. Modifications to the polynucleotides of the present invention may include any of those taught in, for example, International Publication NO. WO2013/052523, the contents of which are incorporated herein by reference in its entirety.

As described herein “nucleoside” is defined as a compound containing a sugar molecule (e.g., a pentose or ribose) or a derivative thereof in combination with an organic base (e.g., a purine or pyrimidine) or a derivative thereof (also referred to herein as “nucleobase”). As described herein, “nucleotide” is defined as a nucleoside including a phosphate group.

In some embodiments, the modification may be on the internucleoside linkage (e.g., phosphate backbone). Herein, in the context of the polynucleotide backbone, the phrases “phosphate” and “phosphodiester” are used interchangeably. Backbone phosphate groups can be modified by replacing one or more of the oxygen atoms with a different substituent. Further, the modified nucleosides and nucleotides can include the wholesale replacement of an unmodified phosphate moiety with another internucleoside linkage. Examples of modified phosphate groups include, but are not limited to, phosphorothioate, phosphoroselenates, boranophosphates, boranophosphate esters, hydrogen phosphonates, phosphoramidates, phosphorodiamidates, alkyl or aryl phosphonates, and phosphotriesters. Phosphorodithioates have both non-linking oxygens replaced by sulfur. The phosphate linker can also be modified by the replacement of a linking oxygen with nitrogen (bridged phosphoramidates), sulfur (bridged phosphorothioates), and carbon (bridged methylene-phosphonates). Other modifications which may be used are taught in, for example, International Application NO. WO2013/052523, the contents of which are incorporated herein by reference in their entirety.

Chemical modifications and/or substitution of the nucleotides or nucleobases of the polynucleotides of the invention which are useful in the present invention include any modified substitutes known in the art, for example, (±)1-(2-Hydroxypropyl)pseudouridine TP, (2R)-1-(2-Hydroxypropyl)pseudouridine TP, 1-(4-Methoxy-phenyl)pseudo-UTP, 2′-O-dimethyladenosine, 1,2′-O-dimethylguanosine, 1,2′-O-dimethylinosine, 1-Hexyl-pseudo-UTP, 1-Homoallylpseudouridine TP, 1-Hydroxymethylpseudouridine TP, 1-iso-propyl-pseudo-UTP, 1-Me-2-thio-pseudo-UTP, 1-Me-4-thio-pseudo-UTP, 1-Me-alpha-thio-pseudo-UTP, 1-Me-GTP, 2′-Amino-2′-deoxy-ATP, 2′-Amino-2′-deoxy-CTP, 2′-Amino-2′-deoxy-GTP, 2′-Amino-2′-deoxy-UTP, 2′-Azido-2′-deoxy-ATP, tubercidine, undermodified hydroxywybutosine, uridine 5-oxyacetic acid, uridine 5-oxyacetic acid methyl ester, wybutosine, wyosine, xanthine, Xanthosine-5′-TP, xylo-adenosine, zebularine, α-thio-adenosine, α-thio-cytidine, α-thio-guanosine, and/or α-thio-uridine.

Polynucleotides of the present invention may comprise one or more of the modifications taught herein. Different sugar modifications, base modifications, nucleotide modifications, and/or internucleoside linkages (e.g., backbone structures) may exist at various positions in the polynucleotide of the invention. One of ordinary skill in the art will appreciate that the nucleotide analogs or other modification(s) may be located at any position(s) of a polynucleotide such that the function of the polynucleotide is not substantially decreased. A modification may also be a 5′ or 3′ terminal modification. The polynucleotide may contain from about 1% to about 100% modified nucleotides (either in relation to overall nucleotide content, or in relation to one or more types of nucleotide, i.e. any one or more of A, G, U or C) or any intervening percentage (e.g., from 1% to 20%, from 1% to 25%, from 1% to 50%, from 1% to 60%, from 1% to 70%, from 1% to 80%, from 1% to 90%, from 1% to 95%, from 10% to 20%, from 10% to 25%, from 10% to 50%, from 10% to 60%, from 10% to 70%, from 10% to 80%, from 10% to 90%, from 10% to 95%, from 10% to 100%, from 20% to 25%, from 20% to 50%, from 20% to 60%, from 20% to 70%, from 20% to 80%, from 20% to 90%, from 20% to 95%, from 20% to 100%, from 50% to 60%, from 50% to 70%, from 50% to 80%, from 50% to 90%, from 50% to 95%, from 50% to 100%, from 70% to 80%, from 70% to 90%, from 70% to 95%, from 70% to 100%, from 80% to 90%, from 80% to 95%, from 80% to 100%, from 90% to 95%, from 90% to 100%, and from 95% to 100%).

›DETAILED DESCRIPTION OF THE INVENTION · 58 of 58

In some embodiments, one or more codons of the polynucleotides of the present invention may be replaced with other codons encoding the native amino acid sequence to tune the expression of the SREs, through a process referred to as codon selection. Since mRNA codon, and tRNA anticodon pools tend to vary spatiotemporally i.e. among organisms, cell types, sub cellular locations and over time, the codon selection described herein is a spatiotemporal (ST) codon selection.

In some embodiments of the invention, certain polynucleotide features may be codon optimized. Codon optimization refers to a process of modifying a nucleic acid sequence for enhanced expression in the host cell by replacing at least 1, 2, 3, 4, 5, 10, 15, 20, 25, 50 or more codons of the native sequence with codons that are most frequently used in the genes of that host cell while maintaining the native amino acid sequence. Codon usage may be measured using the Codon Adaptation Index (CAI) which measures the deviation of a coding polynucleotide sequence from a reference gene set. Codon usage tables are available at the Codon Usage Database (www.kazusa.or.jp/codon/) and the CAI can be calculated by EMBOSS CAI program (emboss.sourceforge.net/). Codon optimization methods are known in the art and may be useful in efforts to achieve one or more of several goals. These goals include to match codon frequencies in target and host organisms to ensure proper folding, bias nucleotide content to alter stability or reduce secondary structures, minimize tandem repeat codons or base runs that may impair gene construction or expression, customize transcriptional and translational control regions, insert or remove protein signaling sequences, remove/add post translation modification sites in encoded protein (e.g. glycosylation sites), add, remove or shuffle protein domains, insert or delete restriction si

›Tables in the description — 97

TABLE 1 — Proteins and their binding ligands Protein SEQ ID

Protein	Protein Sequence	NO.:	Ligands
E. coli
MISLIAALAVDRVIGMENAMPWNLPADL	194	Methotrexate
Dihydrofolate	AWFKRNTLNKPVIMGRHTWESIGRPLPGR		(MTX)
reductase	KNIILSSQPGTDDRVTWVKSVDEAIAACG		Trimethoprim
(ecDHFR)	DVPEIMVIGGGRVYEQFLPKAQKLYLTHI		(TMP)
(Uniprot ID:	DAEVEGDTHFPDYEPDDWESVFSEFHDA
P0ABQ4)	DAQNSHSYCFEILERR
Human	MVGSLNCIVAVSQNMGIGKNGDLPWPPL	193	Methotrexate
Dihydrofolate	RNEFRYFQRMTTTSSVEGKQNLVIMGKK		(MTX)
reductase	TWFSIPEKNRPLKGRINLVLSRELKEPPQG		Trimethoprim
(hDHFR)	AHFLSRSLDDALKLTEQPELANKVDMVW		(TMP)
(Uniprot ID:	IVGGSSVYKEAMNHPGHLKLFVTRIMQDF
P00374)	ESDTFFPEIDLEKYKLLPEYPGVLSDVQEE
	KGIKYKFEVYEKND
FK506 binding	GVQVETISPGDGRTFPKRGQTCVVHYTG	192	Shield-1
protein (FKBP)	MLEDGKKFDSSRDRNKPFKFMLGKQEVI
(Uniprot ID:	RGWEEGVAQMSVGQRAKLTISPDYAYGA
P62942)	TGHPGIIPPHATLVFDVELLKLE
Phosphodiesterase	MEETRELQSLAAAVVPSAQTLKITDFSFS	195	Sildenafil;
5 (PDE5),	DFELSDLETALCTIRMFTDLNLVQNFQMK		Vardenafil;
ligand binding	HEVLCRWILSVKKNYRKNVAYHNWRHA		Tadalafil
domain (Uniprot	FNTAQCMFAALKAGKIQNKLTDLEILALL
ID: Uniprot ID	IAALSHDLDHRGVNNSYIQRSEHPLAQLY
O76074)	CHSIMEHHHFDQCLMILNSPGNQILSGLSI
	EEYKTTLKIIKQAILATDLALYIKRRGEFFE
	LIRKNQFNLEDPHQKELFLAMLMTACDLS
	AITKPWPIQQRIAELVATEFFDQGDRERKE
	LNIEPTDLMNREKKNKIPSMQVGFIDAICL
	QLYEALTHVSEDCFPLLDGCRKNRQKWQ
	ALAEQQ
PPAR gamma,	SVEAVQEITEYAKSIPGFVNLDLNDQVTL	196	Posiglitazone
ligand binding	LKYGVHEIIYTMLASLMNKDGVLISEGQG		Pioglitazone
domain (Uniprot	FMTREFLKSLRKPFGDFMEPKFEFAVKFN
ID: P37231;	ALELDDSDLAIFIAVIILSGDRPGLLNVKPI
amino acids 317-	EDIQDNLLQALELQLKLNHPESSQLFAKL
505)	LQKMTDLRQIVTEHVQLLQVIKKTETDMS
	LHPLLQEIYKDLY
Carbonic	MSHHWGYGKHNGPEHWHKDFPIAKGER	197	Celecoxib
anhydrase II	QSPVDIDTHTAKYDPSLKPLSVSYDQATS		Acetazolamide
(CA2)(Uniprot	LRILNNGHAFNVEFDDSQDKAVLKGGPL
ID: P00918)	DGTYRLIQFHFHWGSLDGQGSEHTVDKK
	KYAAELHLVHWNTKYGDFGKAVQQPDG
	LAVLGIFLKVGSAKPGLQKVVDVLDSIKT
	KGKSADFTNFDPRGLLPESLDYWTYPGSL
	TTPPLLECVTWIVLKEPISVSSEQVLKFRK
	LNFNGEGEPEELMVDNWRPAQPLKNRQI
	KASFK
NRH: Quinone	MAGKKVLIVYAHQEPKSFNGSLKNVAVD	198	Imatinib
oxidoreductase 2	ELSRQGCTVTVSDLYAMNLEPRATDKDIT		Melatonin
(NQO2)(Uniprot	GTLSNPEVFNYGVETHEAYKQRSLASDIT
ID: P16083)	DEQKKVREADLVIFQFPLYWFSVPAILKG
	WMDRVLCQGFAFDIPGFYDSGLLQGKLA
	LLSVTTGGTAEMYTKTGVNGDSRYFLWP
	LQHGTLHFCGFKVLAPQISFAPEIASEEER
	KGMVAAWSQRLQTIWKEEPIPCTAHWHF
	GQ
Dipeptidyl	MKTPWKVLLGLLGAAALVTIITVPVVLLN	1172	Sitagliptin,
peptidases	KGTDDATADSRKTYTLTDYLKNTYRLKL		Saxagliptin,
(DPPIV)(Uniprot	YSLRWISDHEYLYKQENNILVFNAEYGNS		Denagliptin
ID: P27487)	SVFLENSTFDEFGHSINDYSISPDGQFILLE
	YNYVKQWRHSYTASYDIYDLNKRQLITE
	ERIPNNTQWVTWSPVGHKLAYVWNNDIY
	VKIEPNLPSYRITWTGKEDIIYNGITDWVY
	EEEVFSAYSALWWSPNGTFLAYAQFNDT
	EVPLIEYSFYSDESLQYPKTVRVPYPKAG
	AVNPTVKFFVVNTDSLSSVTNATSIQITAP
	ASMLIGDHYLCDVTWATQERISLQWLRRI
	QNYSVMDICDYDESSGRWNCLVARQHIE
	MSTTGWVGRFRPSEPHFTLDGNSFYKIISN
	EEGYRHICYFQIDKKDCTFITKGTWEVIGI
	EALTSDYLYYISNEYKGMPGGRNLYKIQL
	SDYTKVTCLSCELNPERCQYYSVSFSKEA
	KYYQLRCSGPGLPLYTLHSSVNDKGLRVL
	EDNSALDKMLQNVQMPSKKLDFIILNETK
	FWYQMILPPHFDKSKKYPLLLDVYAGPCS
	QKADTVFRLNWATYLASTENIIVASFDGR
	GSGYQGDKIMHAINRRLGTFEVEDQIEAA
	RQFSKMGFVDNKRIAIWGWSYGGYVTSM
	VLGSGSGVFKCGIAVAPVSRWEYYDSVY
	TERYMGLPTPEDNLDHYRNSTVMSRAEN
	FKQVEYLLIHGTADDNVHFQQSAQISKAL
	VDVGVDFQAMWYTDEDHGIASSTAHQHI
	YTHMSHFIKQCFSLP

TABLE 2 — ecDHFR DDs and FKBPDDs SEQ ID

DD	Sequence	NO:
ecDHFR	MISLIAALAVDYVIGMENAMPWNLPADLAWFKRNTL	1173
(R12Y,	NKPVIMGRHTWESIGRPLPGRKNIILSSQPGTDDRVTW
Y100I)	VKSVDEAIAACGDVPEIMVIGGGRVIEQFLPKAQKLY
	LTHIDAEVEGDTHFPDYEPDDWESVFSEFHDADAQNS
	HSYCFEILERR
ecDHFR	ISLIAALAVDYVIGMENAMPWNLPADLAWFKRNTLN	1174
(Amino acid	KPVIMGRHTWESIGRPLPGRKNIILSSQPGTDDRVTWV
2-159 of WT)	KSVDEAIAACGDVPEIMVIGGGRVIEQFLPKAQKLYLT
(R12Y,	HIDAEVEGDTHFPDYEPDDWESVFSEFHDADAQNSHS
Y100I)	YCFEILERR
ecDHFR	ISLIAALAVDHVIGMENAMPWNLPADLAWFKRNTLN	1175
(Amino acid	KPVIMGRHTWESIGRPLPGRKNIILSSQPGTDDRVTWV
2-159 of WT)	KSVDEAIAACGDVPEIMVIGGGRVYEQFLPKAQKLYL
(R12H,	THIDAEVEGDTHFPDYKPDDWESVFSEFHDADAQNSH
E129K)	SYCFEILERR
FKBP(F36V,	GVQVETISPGDGRTFPKRGQTCVVHYTGMLEDGKKV	1176
L106P)	DSSRDRNKPFKFMLGKQEVIRGWEEGVAQMSVGQRA
	KLTISPDYAYGATGHPGIIPPHATLVFDVELLKPE
FKBP(E31G,	GVQVETISPGDGRTFPKRGQTCVVHYTGMLGDGKKV	1177
F36V, R71G,	DSSRDRNKPFKFMLGKQEVIRGWEEGVAQMSVGQGA
K105E)	KLTISPDYAYGATGHPGIIPPHATLVFDVELLELE

TABLE 3 — Sequences of hDHFR and ecDHFR and construct components

		Amino	Nucleic
		Acid	Acid
		SEQ ID	SEQ ID
Description	Amino Acid Sequence	NO.	NO.
Human DHFR	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMTT	1	4223
(hDHFR)-	TSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSRELKE
wildtype (WT)	PPQGAHFLSRSLDDALKLTEQPELANKVDMVWIVGGSSVY
(Uniprot ID:	KEAMNHPGHLKLFVTRIMQDFESDTFFPEIDLEKYKLLPEY
P00374)	PGVLSDVQEEKGIKYKFEVYEKND
E coli DHFR	MISLIAALAVDRVIGMENAMPWNLPADLAWFKRNTLNKPV	1179	4224
(ecDHFR)-	IMGRHTWESIGRPLPGRKNIILSSQPGTDDRVTWVKSVDEAI
wildtype (WT)	AACGDVPEIMVIGGGRVYEQFLPKAQKLYLTHIDAEVEGDT
(Uniprot ID:	HFPDYEPDDWESVFSEFHDADAQNSHSYCFEILERR
P0ABQ4)
AcGFP1, sub	MVSKGAELFTGIVPILIELNGDVNGHKFSVSGEGEGDATYG	1181	4225
cloned from	KLTLKFICTTGKLPVPWPTLVTTLSYGVQCFSRYPDHMKQH
pIRES2-AcGFP	DFFKSAMPEGYIQERTIFFEDDGNYKSRAEVKFEGDTLVNRI
(Uniprot ID:	ELTGTDFKEDGNILGNKMEYNYNAHNVYIMTDKAKNGIKV
BAE93141)	NFKIRHNIEDGSVQLADHYQQNTPIGDGPVLLPDNHYLSTQ
	SALSKDPNEKRDHMIYFGFVTAAAITHGMDELYK
linker	GGSGGG	1183	4226-4227
hDHFR(wt)-	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMTT	1186	4228
Restriction Site	TSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSRELKE
(TS)-Linker	PPQGAHFLSRSLDDALKLTEQPELANKVDMVWIVGGSSVY
(GGSGGG (SEQ	KEAMNHPGHLKLFVTRIMQDFESDTFFPEIDLEKYKLLPEY
ID NO: 2728))-	PGVLSDVQEEKGIKYKFEVYEKNDTSGGSGGGMVSKGAEL
AcGFP(N-	FTGIVPILIELNGDVNGHKFSVSGEGEGDATYGKLTLKFICT
terminal fusion	TGKLPVPWPTLVTTLSYGVQCFSRYPDHMKQHDFFKSAMP
polypeptide)	EGYIQERTIFFEDDGNYKSRAEVKFEGDTLVNRIELTGTDFK
	EDGNILGNKMEYNYNAHNVYIMTDKAKNGIKVNFKIRHNI
	EDGSVQLADHYQQNTPIGDGPVLLPDNHYLSTQSALSKDP
	NEKRDHMIYFGFVTAAAITHGMDELYK*
AcGFP-Linker	MVSKGAELFTGIVPILIELNGDVNGHKFSVSGEGEGDATYG	1187	4229
(GGSGGG (SEQ	KLTLKFICTTGKLPVPWPTLVTTLSYGVQCFSRYPDHMKQH
ID NO: 2728))-	DFFKSAMPEGYIQERTIFFEDDGNYKSRAEVKFEGDTLVNRI
Restriction Site	ELTGTDFKEDGNILGNKMEYNYNAHNVYIMTDKAKNGIKV
(TS)-	NFKIRHNIEDGSVQLADHYQQNTPIGDGPVLLPDNHYLSTQ
hDHFR(Amino	SALSKDPNEKRDHMIYFGFVTAAAITHGMDELYKGGSGGG
acid 2-187 of WT)	TSVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMT
(C-terminal fusion	TTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSRELK
polypeptide)	EPPQGAHFLSRSLDDALKLTEQPELANKVDMVWIVGGSSV
	YKEAMNHPGHLKLFVTRIMQDFESDTFFPEIDLEKYKLLPE
	YPGVLSDVQEEKGIKYKFEVYEKND*
ecDHFR(wt)-	MISLIAALAVDRVIGMENAMPWNLPADLAWFKRNTLNKPV	1188	4230
AcGFP(N-	IMGRHTWESIGRPLPGRKNIILSSQPGTDDRVTWVKSVDEAI
terminal fusion	AACGDVPEIMVIGGGRVYEQFLPKAQKLYLTHIDAEVEGDT
polypeptide)	HFPDYEPDDWESVFSEFHDADAQNSHSYCFEILERRGGSGG
	GMVSKGAELFTGIVPILIELNGDVNGHKFSVSGEGEGDATY
	GKLTLKFICTTGKLPVPWPTLVTTLSYGVQCFSRYPDHMKQ
	HDFFKSAMPEGYIQERTIFFEDDGNYKSRAEVKFEGDTLVN
	RIELTGTDFKEDGNILGNKMEYNYNAHNVYIMTDKAKNGI
	KVNFKIRHNIEDGSVQLADHYQQNTPIGDGPVLLPDNHYLS
	TQSALSKDPNEKRDHMIYFGFVTAAAITHGMDELYK*

TABLE 4 — Human DHFR mutants and novel destabilizing domains

		Amino	Nucleic
		Acid SEQ	Acid SEQ
Mutants	Amino acid Sequence	ID NO	ID NO
hDHFR	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMTTTSS	11	4240
(Y122I)	VEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSRELKEPPQGA
	HFLSRSLDDALKLTEQPELANKVDMVWIVGGSSVIKEAMNHP
	GHLKLFVTRIMQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEE
	KGIKYKFEVYEKND
hDHFR	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMTTTSSV	13	4241
(Amino	EGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSRELKEPPQGAH
acid 2-187	FLSRSLDDALKLTEQPELANKVDMVWIVGGSSVIKEAMNHPG
of WT)	HLKLFVTRIMQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEK
(Y122I)	GIKYKFEVYEKND*
hDHFR	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMTTTSS	21	4242
(M53T,	VEGKQNLVITGKKTWFSIPEKNRPLKGRINLVLSRELKEPPQGA
R138I)	HFLSRSLDDALKLTEQPELANKVDMVWIVGGSSVYKEAMNHP
	GHLKLFVTIIMQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEK
	GIKYKFEVYEKND
hDHFR	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMTTTSSV	36	4243
(Amino	EGKQNLVITGKKTWFSIPEKNRPLKGRINLVLSRELKEPPQGAH
acid 2-187	FLSRSLDDALKLTEQPELANKVDMVWIVGGSSVYKEAMNHPG
of WT)	HLKLFVTIIMQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEKG
(M53T,	IKYKFEVYEKND
R138I)
hDHFR	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMTTTSS	27	4244
(V75F,	VEGKQNLVIMGKKTWFSIPEKNRPLKGRINLFLSRELKEPPQGA
Y122I)	HFLSRSLDDALKLTEQPELANKVDMVWIVGGSSVIKEAMNHP
	GHLKLFVTRIMQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEE
	KGIKYKFEVYEKND
hDHFR	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMTTTSSV	40	4245
(Amino	EGKQNLVIMGKKTWFSIPEKNRPLKGRINLFLSRELKEPPQGAH
acid 2-187	FLSRSLDDALKLTEQPELANKVDMVWIVGGSSVIKEAMNHPG
of WT)	HLKLFVTRIMQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEK
(V75F,	GIKYKFEVYEKND
Y122I)
hDHFR	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMTTTSS	28	4246
(Y122I,	VEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSRELKEPPQGA
A125F,)	HFLSRSLDDALKLTEQPELANKVDMVWIVGGSSVIKEFMNHPG
	HLKLFVTRIMQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEK
	GIKYKFEVYEKND
hDHFR	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMTTTSSV	41	4247
(Amino	EGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSRELKEPPQGAH
acid 2-187	FLSRSLDDALKLTEQPELANKVDMVWIVGGSSVIKEFMNHPGH
of WT)	LKLFVTRIMQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEKGI
(Y122I,	KYKFEVYEKND*
A125F)
hDHFR	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMTTTSS	19	4248
(L74N,	VEGKQNLVIMGKKTWFSIPEKNRPLKGRINNVLSRELKEPPQG
Y122I)	AHFLSRSLDDALKLTEQPELANKVDMVWIVGGSSVIKEAMNH
	PGHLKLFVTRIMQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQE
	EKGIKYKFEVYEKND
hDHFR	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMTTTSSV	34	4249
(Amino	EGKQNLVIMGKKTWFSIPEKNRPLKGRINNVLSRELKEPPQGA
acid 2-187	HFLSRSLDDALKLTEQPELANKVDMVWIVGGSSVIKEAMNHP
of WT)	GHLKLFVTRIMQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEE
(L74N,	KGIKYKFEVYEKND
Y122I)
hDHFR	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMTTTSS	20	4250
(L94A,	VEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSRELKEPPQGA
T147A)	HFLSRSADDALKLTEQPELANKVDMVWIVGGSSVYKEAMNHP
	GHLKLFVTRIMQDFESDAFFPEIDLEKYKLLPEYPGVLSDVQEE
	KGIKYKFEVYEKND
hDHFR	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMTTTSSV	35	4251
(Amino	EGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSRELKEPPQGAH
acid 2-187	FLSRSADDALKLTEQPELANKVDMVWIVGGSSVYKEAMNHPG
of WT)	HLKLFVTRIMQDFESDAFFPEIDLEKYKLLPEYPGVLSDVQEEK
(L94A,	GIKYKFEVYEKND
T147A)
hDHFR	MVGSLNCIVAVSQNMGIGKNTDLPWPPLRNEFRYFQRMTTTSS	16	4252
(G21T,	VEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSRELKEPPQGA
Y122I)	HFLSRSLDDALKLTEQPELANKVDMVWIVGGSSVIKEAMNHP
	GHLKLFVTRIMQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEE
	KGIKYKFEVYEKND
hDHFR	VGSLNCIVAVSQNMGIGKNTDLPWPPLRNEFRYFQRMTTTSSV	32	4253
(Amino	EGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSRELKEPPQGAH
acid 2-187	FLSRSLDDALKLTEQPELANKVDMVWIVGGSSVIKEAMNHPG
of WT)	HLKLFVTRIMQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEK
(G21T,	GIKYKFEVYEKND
Y122I)
hDHFR	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMTTTSS	26	4254
(V121A,	VEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSRELKEPPQGA
Y122I)	HFLSRSLDDALKLTEQPELANKVDMVWIVGGSSAIKEAMNHP
	GHLKLFVTRIMQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEE
	KGIKYKFEVYEKND
hDHFR	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMTTTSSV	39	4255
(Amino	EGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSRELKEPPQGAH
acid 2-187	FLSRSLDDALKLTEQPELANKVDMVWIVGGSSAIKEAMNHPG
of WT)	HLKLFVTRIMQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEK
(V121A,	GIKYKFEVYEKND
Y122I)
hDHFR	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFKRMTTTSS	23	4256
(Q36K,	VEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSRELKEPPQGA
Y122I)	HFLSRSLDDALKLTEQPELANKVDMVWIVGGSSVIKEAMNHP
	GHLKLFVTRIMQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEE
	KGIKYKFEVYEKND
hDHFR	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFKRMTTTSSV	38	4257,
(Amino	EGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSRELKEPPQGAH		4258
acid 2-187	FLSRSLDDALKLTEQPELANKVDMVWIVGGSSVIKEAMNHPG
of WT)	HLKLFVTRIMQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEK
(Q36K,	GIKYKFEVYEKND*
Y122I)
hDHFR	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFFRMTTTSS	49	4259
(Q36F,	VEGKQNLVIMGKKTWFSIPEKFRPLKGRINLVLSRELKEPPQGA
N65F,	HFLSRSLDDALKLTEQPELANKVDMVWIVGGSSVIKEAMNHP
Y122I)	GHLKLFVTRIMQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEE
	KGIKYKFEVYEKND
hDHFR	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFFRMTTTSSV	56	4260
(Amino	EGKQNLVIMGKKTWFSIPEKFRPLKGRINLVLSRELKEPPQGAH
acid 2-187	FLSRSLDDALKLTEQPELANKVDMVWIVGGSSVIKEAMNHPG
of WT)	HLKLFVTRIMQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEK
(Q36F,	GIKYKFEVYEKND*
N65F,
Y122I)
hDHFR	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFFRMTTTSS	50	4261
(Q36F,	VEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSRELKEPPQGA
Y122I,	HFLSRSLDDALKLTEQPELANKVDMVWIVGGSSVIKEFMNHPG
A125F)	HLKLFVTRIMQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEK
	GIKYKFEVYEKND
hDHFR	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFFRMTTTSSV	57	4262
(Amino	EGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSRELKEPPQGAH
acid 2-187	FLSRSLDDALKLTEQPELANKVDMVWIVGGSSVIKEFMNHPGH
of WT)	LKLFVTRIMQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEKGI
(Q36F,	KYKFEVYEKND
Y122I,
A125F)

TABLE 5 — Human DHFR mutants and new destabilizing domains Nucleic

			Amino	Acid
Clone			Acid SEQ	SEQ ID
number	hDHFR Mutants	Amino acid Sequence	ID NO	NO.
Clone	hDHFR (K81R)	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNE	6	4263
C1-12		FRYFQRMTTTSSVEGKQNLVIMGKKTWFSIPE
		KNRPLKGRINLVLSRELREPPQGAHFLSRSLD
		DALKLTEQPELANKVDMVWIVGGSSVYKEA
		MNHPGHLKLFVTRIMQDFESDTFFPEIDLEKY
		KLLPEYPGVLSDVQEEKGIKYKFEVYEKND
Clone	hDHFR (V9A,	MVGSLNCIAAVSQNMGIGKNGDLPWPPLRNE	52	4264
C1-18	S93R, P150L)	FRYFQRMTTTSSVEGKQNLVIMGKKTWFSIPE
		KNRPLKGRINLVLSRELKEPPQGAHFLSRRLD
		DALKLTEQPELANKVDMVWIVGGSSVYKEA
		MNHPGHLKLFVTRIMQDFESDTFFLEIDLEKY
		KLLPEYPGVLSDVQEEKGIKYKFEVYEKND
Clone	hDHFR (F59S)	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNE	3	4265
C1-4		FRYFQRMTTTSSVEGKQNLVIMGKKTWSSIPE
		KNRPLKGRINLVLSRELKEPPQGAHFLSRSLD
		DALKLTEQPELANKVDMVWIVGGSSVYKEA
		MNHPGHLKLFVTRIMQDFESDTFFPEIDLEKY
		KLLPEYPGVLSDVQEEKGIKYKFEVYEKND
Clone	hDHFR (I17V)	MVGSLNCIVAVSQNMGVGKNGDLPWPPLRN	4	4266
C1-8		EFRYFQRMTTTSSVEGKQNLVIMGKKTWFSIP
		EKNRPLKGRINLVLSRELKEPPQGAHFLSRSL
		DDALKLTEQPELANKVDMVWIVGGSSVYKE
		AMNHPGHLKLFVTRIMQDFESDTFFPEIDLEK
		YKLLPEYPGVLSDVQEEKGIKYKFEVYEKND
Clone	hDHFR (N65D)	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNE	10	4267
C1-11		FRYFQRMTTTSSVEGKQNLVIMGKKTWFSIPE
		KDRPLKGRINLVLSRELKEPPQGAHFLSRSLD
		DALKLTEQPELANKVDMVWIVGGSSVYKEA
		MNHPGHLKLFVTRIMQDFESDTFFPEIDLEKY
		KLLPEYPGVLSDVQEEKGIKYKFEVYEKND
Clone	hDHFR (A10V,	MVGSLNCIVVVSQNMGIGKNGDLPWPPLRNE	12	4268
C2-21	H88Y)	FRYFQRMTTTSSVEGKQNLVIMGKKTWFSIPE
		KNRPLKGRINLVLSRELKEPPQGAYFLSRSLD
		DALKLTEQPELANKVDMVWIVGGSSVYKEA
		MNHPGHLKLFVTRIMQDFESDTFFPEIDLEKY
		KLLPEYPGVLSDVQEEKGIKYKFEVYEKND
Clone	hDHFR (A107V)	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNE	2	4269
C1-3		FRYFQRMTTTSSVEGKQNLVIMGKKTWFSIPE
		KNRPLKGRINLVLSRELKEPPQGAHFLSRSLD
		DALKLTEQPELVNKVDMVWIVGGSSVYKEA
		MNHPGHLKLFVTRIMQDFESDTFFPEIDLEKY
		KLLPEYPGVLSDVQEEKGIKYKFEVYEKND
Clone	hDHFR (C7R,	MVGSLNRIVAVSQNMGIGKNGDLPWPPLRNE	14	4270
C1-10	Y163C)	FRYFQRMTTTSSVEGKQNLVIMGKKTWFSIPE
		KNRPLKGRINLVLSRELKEPPQGAHFLSRSLD
		DALKLTEQPELANKVDMVWIVGGSSVYKEA
		MNHPGHLKLFVTRIMQDFESDTFFPEIDLEKY
		KLLPECPGVLSDVQEEKGIKYKFEVYEKND
Clone	hDHFR (N127Y)	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNE	8	4271
C1-14		FRYFQRMTTTSSVEGKQNLVIMGKKTWFSIPE
		KNRPLKGRINLVLSRELKEPPQGAHFLSRSLD
		DALKLTEQPELANKVDMVWIVGGSSVYKEA
		MYHPGHLKLFVTRIMQDFESDTFFPEIDLEKY
		KLLPEYPGVLSDVQEEKGIKYKFEVYEKND
Clone	hDHFR (K185E)	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNE	5	4272
C1-21		FRYFQRMTTTSSVEGKQNLVIMGKKTWFSIPE
		KNRPLKGRINLVLSRELKEPPQGAHFLSRSLD
		DALKLTEQPELANKVDMVWIVGGSSVYKEA
		MNHPGHLKLFVTRIMQDFESDTFFPEIDLEKY
		KLLPEYPGVLSDVQEEKGIKYKFEVYEEND
Clone	hDHFR (T137R,	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNE	24	4273
C1-25	F143L)	FRYFQRMTTTSSVEGKQNLVIMGKKTWFSIPE
		KNRPLKGRINLVLSRELKEPPQGAHFLSRSLD
		DALKLTEQPELANKVDMVWIVGGSSVYKEA
		MNHPGHLKLFVRRIMQDLESDTFFPEIDLEKY
		KLLPEYPGVLSDVQEEKGIKYKFEVYEKND
Clone	hDHFR (I8V,	MVGSLNCVVAVSQNMGIGKNGDLPWPPLRN	45	4274
C2-8	K133E, Y163C)	EFRYFQRMTTTSSVEGKQNLVIMGKKTWFSIP
		EKNRPLKGRINLVLSRELKEPPQGAHFLSRSL
		DDALKLTEQPELANKVDMVWIVGGSSVYKE
		AMNHPGHLELFVTRIMQDFESDTFFPEIDLEK
		YKLLPECPGVLSDVQEEKGIKYKFEVYEKND
Clone	hDHFR (K19E,	MVGSLNCIVAVSQNMGIGENGDLPWPPLRNE	46	4275
C2-15	F89L, E181G)	FRYFQRMTTTSSVEGKQNLVIMGKKTWFSIPE
		KNRPLKGRINLVLSRELKEPPQGAHLLSRSLD
		DALKLTEQPELANKVDMVWIVGGSSVYKEA
		MNHPGHLKLFVTRIMQDFESDTFFPEIDLEKY
		KLLPEYPGVLSDVQEEKGIKYKFGVYEKND
Clone	hDHFR (N186D)	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNE	9	4276
C2-20		FRYFQRMTTTSSVEGKQNLVIMGKKTWFSIPE
		KNRPLKGRINLVLSRELKEPPQGAHFLSRSLD
		DALKLTEQPELANKVDMVWIVGGSSVYKEA
		MNHPGHLKLFVTRIMQDFESDTFFPEIDLEKY
		KLLPEYPGVLSDVQEEKGIKYKFEVYEKDD
Clone	hDHFR (G54R,	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNE	54	4277
C2-22	I115L, M140V,	FRYFQRMTTTSSVEGKQNLVIMRKKTWFSIPE
	S168C)	KNRPLKGRINLVLSRELKEPPQGAHFLSRSLD
		DALKLTEQPELANKVDMVWLVGGSSVYKEA
		MNHPGHLKLFVTRIVQDFESDTFFPEIDLEKY
		KLLPEYPGVLCDVQEEKGIKYKFEVYEKND
Clone	hDHFR (L23S,	MVGSLNCIVAVSQNMGIGKNGDSPWPPLRNE	47	4278
C2-23	V121A, Y157C)	FRYFQRMTTTSSVEGKQNLVIMGKKTWFSIPE
		KNRPLKGRINLVLSRELKEPPQGAHFLSRSLD
		DALKLTEQPELANKVDMVWIVGGSSAYKEA
		MNHPGHLKLFVTRIMQDFESDTFFPEIDLEKC
		KLLPEYPGVLSDVQEEKGIKYKFEVYEKND
Clone	hDHFR (V110A,	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNE	51	4279
C1-24	V136M, K177R)	FRYFQRMTTTSSVEGKQNLVIMGKKTWFSIPE
		KNRPLKGRINLVLSRELKEPPQGAHFLSRSLD
		DALKLTEQPELANKADMVWIVGGSSVYKEA
		MNHPGHLKLFMTRIMQDFESDTFFPEIDLEKY
		KLLPEYPGVLSDVQEEKGIRYKFEVYEKND
Clone	hDHFR (E162G,	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNE	15	4280
C2-25	I176F)	FRYFQRMTTTSSVEGKQNLVIMGKKTWFSIPE
		KNRPLKGRINLVLSRELKEPPQGAHFLSRSLD
		DALKLTEQPELANKVDMVWIVGGSSVYKEA
		MNHPGHLKLFVTRIMQDFESDTFFPEIDLEKY
		KLLPGYPGVLSDVQEEKGFKYKFEVYEKND
Clone	hDHFR (Y178H,	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNE	30	4281
C3-1	E181G)	FRYFQRMTTTSSVEGKQNLVIMGKKTWFSIPE
		KNRPLKGRINLVLSRELKEPPQGAHFLSRSLD
		DALKLTEQPELANKVDMVWIVGGSSVYKEA
		MNHPGHLKLFVTRIMQDFESDTFFPEIDLEKY
		KLLPEYPGVLSDVQEEKGIKHKFGVYEKND
Clone	hDHFR (N49D,	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNE	48	4282
C3-2	F59S, D153G)	FRYFQRMTTTSSVEGKQDLVIMGKKTWSSIPE
		KNRPLKGRINLVLSRELKEPPQGAHFLSRSLD
		DALKLTEQPELANKVDMVWIVGGSSVYKEA
		MNHPGHLKLFVTRIMQDFESDTFFPEIGLEKY
		KLLPEYPGVLSDVQEEKGIKYKFEVYEKND
Clone	hDHFR (M140I)	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNE	7	4283
C3-3		FRYFQRMTTTSSVEGKQNLVIMGKKTWFSIPE
		KNRPLKGRINLVLSRELKEPPQGAHFLSRSLD
		DALKLTEQPELANKVDMVWIVGGSSVYKEA
		MNHPGHLKLFVTRIIQDFESDTFFPEIDLEKYK
		LLPEYPGVLSDVQEEKGIKYKFEVYEKND
Clone	hDHFR (H131R,	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNE	17	4284
C3-9	E144G)	FRYFQRMTTTSSVEGKQNLVIMGKKTWFSIPE
		KNRPLKGRINLVLSRELKEPPQGAHFLSRSLD
		DALKLTEQPELANKVDMVWIVGGSSVYKEA
		MNHPGRLKLFVTRIMQDFGSDTFFPEIDLEKY
		KLLPEYPGVLSDVQEEKGIKYKFEVYEKND
Clone	hDHFR (T57A,	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNE	25	4285
C3-22	I72A)	FRYFQRMTTTSSVEGKQNLVIMGKKAWFSIPE
		KNRPLKGRANLVLSRELKEPPQGAHFLSRSLD
		DALKLTEQPELANKVDMVWIVGGSSVYKEA
		MNHPGHLKLFVTRIMQDFESDTFFPEIDLEKY
		KLLPEYPGVLSDVQEEKGIKYKFEVYEKND
Clone	hDHFR (Y183H,	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNE	31	4286
C3-10	K185E)	FRYFQRMTTTSSVEGKQNLVIMGKKTWFSIPE
		KNRPLKGRINLVLSRELKEPPQGAHFLSRSLD
		DALKLTEQPELANKVDMVWIVGGSSVYKEA
		MNHPGHLKLFVTRIMQDFESDTFFPEIDLEKY
		KLLPEYPGVLSDVQEEKGIKYKFEVHEEND
Clone	hDHFR (G21E,	MVGSLNCIVAVSQNMGIGKNEDLPWPPLRNE	44	4287
C4-3	I72V, I176T)	FRYFQRMTTTSSVEGKQNLVIMGKKTWFSIPE
		KNRPLKGRVNLVLSRELKEPPQGAHFLSRSLD
		DALKLTEQPELANKVDMVWIVGGSSVYKEA
		MNHPGHLKLFVTRIMQDFESDTFFPEIDLEKY
		KLLPEYPGVLSDVQEEKGTKYKFEVYEKND
Clone	hDHFR (L100P,	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNE	70	4288
C1-2	E102G, Q103R,	FRYFQRMTTTSSVEGKQNLVIMGKKTWFSIPE
	P104S, E105G,	KNRPLKGRINLVLSRELKEPPQGAHFLSRSLD
	N108D, V113A,	DALKPTGRSGLADKVDMARIVGGSSVCKEAI
	W114R, Y122C,	RYPGHPKLPVTRTMQDFESDTSLPEVALEKY
	M1261, N127R,	KLLPEYPGVLSGAQEEKGARYKFEAYERSD
	H128Y, L132P,
	F135P, I139T,
	F148S, F149L,
	I152V, D153A,
	D169G, V170A,
	I176A, K177R,
	V182A, K185R,
	N186S)
Clone	hDHFR (V2A,	MAGSLNCIVAVSQNMGIGKNGDLPWPPLRNE	59	4289
C1-5	R33G, Q36R,	FGYFRRMTTTSSVEGKQNLVIMGKKTWFSIPE
	L100P, K185R)	KNRPLKGRINLVLSRELKEPPQGAHFLSRSLD
		DALKPTEQPELANKVDMVWIVGGSSVYKEA
		MNHPGHLKLFVTRIMQDFESDTFFPEIDLEKY
		KLLPEYPGVLSDVQEEKGIKYKFEVYERND
Clone	hDHFR (G16S,	MVGSLNCIVAVSQNMSVGKNGDLPWPPLRN	63	4290
C1-6	I17V, F89L, D96G,	EFRYFQRMTTTSSVEGKQNLVIMGKKTWFSIP
	K123E, M140V,	EKNRPLKGRINLVLSRELKEPPQGAHLLSRSL
	D146G, K156R)	DGALKLTEQPELANKVDMVWIVGGSSVYEE
		AMNHPGHLKLFVTRIVQDFESGTFFPEIDLER
		YKLLPEYPGVLSDVQEEKGIKYKFEVYEKND
Clone	hDHFR (F35L,	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNE	67	4291
C1-13	R37G, N65A, L68S,	FRYLQGMTTTSSVEGKQNLVIMGKKTWFSIPE
	K69E, R71G, L80P,	KARPSEGGINLVLSREPKEPPQGAHFLSRSLD
	K99G, G117D,	DALGLTEQPELANKVDMVWIVDGSSVYKEA
	L132P, I139V,	MNHPGHPKLFVTRVIQGFESGTFFPEIDLEKY
	M140I, D142G,	KLLPEYPGVLSDVQEGKGIKYKFEVYEKNG
	D146G, E173G,
	D187G)
Clone	hDHFR (I17N,	MVGSLNCIVAVSQNMGNGKNGDLPWPPLRN	62	4292
C1-23	L98S, K99R,	EFRYFQRMTTTSSVEGKQNLVIMGKKTWFSIP
	M112T, E151G,	EKNRPLKGRINLVLSRELKEPPQGAHFLSRSL
	E162G, E172G)	DDASRLTEQPELANKVDTVWIVGGSSVYKEA
		MNHPGHLKLFVTRIMQDFESDTFFPGIDLEKY
		KLLPGYPGVLSDVQGEKGIKYKFEVYEKND
Clone	hDHFR (R138G,	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNE	65	4293
C4-2	D142G, F143S,	FRYFQRMTTTSSVEGKQNLVIMGKKTWFSIPE
	K156R, K158E,	KNRPLKGRINLVLSRELKEPPQGAHFLSRSLD
	E162G, V166A,	DALKLTEQPELANKVDMVWIVGGSSVYKEA
	K177E, Y178C,	MNHPGHLKLFVTGIMQGSESDTFFPEIDLERY
	K185E, N186S)	ELLPGYPGALSDVQEEKGIECKFEVYEESD
Clone	hDHFR (K81R,	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNE	64	4294
C4-5	K99R, L100P,	FRYFQRMTTTSSVEGKQNLVIMGKKTWFSIPE
	E102G, N108D,	KNRPLKGRINLVLSRELREPPQGAHFLSRSLD
	K123R, H128R,	DALRPTGQPELADKVDMVWIVGGSSVYREA
	D142G, F180L,	MNRPGHLKLFVTRIMQGFESDTFFPEIDLEKY
	K185E)	KLLPEYPGVLSDVQEEKGIKYKLEVYEEND
Clone	hDHFR (N14S,	MVGSLNCIVAVSQSMGIGKNGDLSWPPLRNE	66	4295
C2-2	P24S, F35L, M53T,	FRYLQRMTTTSSVEGKQNLVITGKETWFSIPE
	K56E, R92G, S93G,	KNRPLKGRINLVLSRELKEPPQGAHFLSGGLD
	N127S, H128Y,	DALKLTEQPELANKVDMVWIVGGSSVYKEA
	F135L, F143S,	MSYPGHLKLLVTRIMQDSESDTFFPEIDLEKY
	L159P, L160P,	KPPPEYPGVLSDVQEAKGIKYKLEVYEKND
	E173A, F180L)
Clone	hDHFR (V2A,	MAGSLNCIVAVSQNMGVGKNGDLPWPPLRD	69	4296
C3-6	Il7V, N30D, E31G,	GFRYFRRMTTTSSVEGKQNLVIMGKKTWSSIP
	Q36R, F59S, K69E,	EKNRPLEGRTNLVLSRELKEPPQGAYLLSRSL
	I72T, H88Y, F89L,	DDALKLTEQPELADEAGMVWVVGGSSVDKE
	N108D, K109E,	AMNHPGHPKLSVTRIVQDFGSDAFFPEIDLEK
	V110A, I115V,	CKLLPEYPGVLSDAQEERGIKYKFEVYEKSD
	Y122D, L132P,
	F135S, M140V,
	E144G, T147A,
	Y157C, V170A,
	K174R, N186S)
Clone	hDHFR (L28P,	MVGSLNCIVAVSQNMGIGKNGDLPWPPPRHE	68	4297
C3-8	N30H, M38V,	FRYFQRVTTTSSAEGKQNLVIMGKKTWFSIPE
	V44A, L68S, N73G,	KNRPSKGRIGLVLSGELKEPPQGAHFLSRSLD
	R78G, A97T, K99R,	DTLRLTEQPELTNRVNMVWIVGGSSVYKEAM
	A107T, K109R,	NHPGHLRPVVTRIMQDFESDAFFPEVDLEKYR
	D111N, L134P,	LLPEYPGVLSDVQGEKGIKYKFEAYRKND
	F135V, T147A,
	I152V, K158R,
	E172G, V182A,
	E184R)
Clone	hDHFR (A10T,	MVGSLNCIVTVSRSMGIGKDGDLSWPPLRSEF	2745	4298
C3-11	Q13R, N14S, N20D,	RYFQRTTATSSVEGRQSLVIMGKRTWFSTPER
	P24S, N30S, M38T,	NRPLRGRANLVLSGELKGPPQGAHLLSRSLD
	T40A, K47R, N49S,	GALKLTEQPELADKVDVVRIVGGSSVDEEAM
	K56R, I61T, K64R,	NHPGHLKLFVTRVMRGFESDTLFPGIDLGKRK
	K69R, I72A, R78G,	LLPEYPGVLSDVREEKGIKYKLEVCGNN
	E82G, F89L, D96G,
	N108D, M112V,
	W114R, Y122D,
	K123E, I139V,
	Q141R, D142G,
	F148L, E151G,
	E155G, Y157R,
	Q171R, Y183C,
	E184G, K185del,
	D187N)

TABLE 6 — Human DHFR mutants and novel destabilizing domains SEQ ID

Mutants	Amino acid Sequence	NO
hDHFR (I17V)	MVGSLNCIVAVSQNMGVGKNGDLPWPPLRNEFRYFQR	1197
	MTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVL
	SRELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVW
	IVGGSSVYKEAMNHPGHLKLFVTRIMQDFESDTFFPEID
	LEKYKLLPEYPGVLSDVQEEKGIKYKFENYEKND
hDHFR (F59S)	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQR	1198
	MTTTSSVEGKQNLVIMGKKTWSSIPEKNRPLKGRINLVL
	SRELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVW
	IVGGSSVYKEAMNHPGHLKLFVTRIMQDFESDTFFPEID
	LEKYKLLPEYPGVLSDVQEEKGIKYKFENYEKND
hDHFR (N65D)	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQR	1199
	MTTTSSVEGKQNLVIMGKKTWFSIPEKDRPLKGRINLVL
	SRELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVW
	IVGGSSVYKEAMNHPGHLKLFVTRIMQDFESDTFFPEID
	LEKYKLLPEYPGVLSDVQEEKGIKYKFENYEKND
hDHFR (K81R)	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQR	1200
	MTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVL
	SRELREPPQGAHFLSRSLDDALKLTEQPELANKVDMVW
	IVGGSSVYKEAMNHPGHLKLFVTRIMQDFESDTFFPEID
	LEKYKLLPEYPGVLSDVQEEKGIKYKFENYEKND
hDHFR (A107V)	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQR	1201
	MTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVL
	SRELKEPPQGAHFLSRSLDDALKLTEQPELVNKVDMVW
	IVGGSSVYKEAMNHPGHLKLFVTRIMQDFESDTFFPEID
	LEKYKLLPEYPGVLSDVQEEKGIKYKFENYEKND
hDHFR (Y122I)	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQR	1202
	MTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVL
	SRELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVW
	IVGGSSVIKEAMNHPGHLKLFVTRIMQDFESDTFFPEIDL
	EKYKLLPEYPGVLSDVQEEKGIKYKFEVYEKND
hDHFR (N127Y)	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQR	1203
	MTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVL
	SRELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVW
	IVGGSSVYKEAMYHPGHLKLFVTRIMQDFESDTFFPEID
	LEKYKLLPEYPGVLSDVQEEKGIKYKFENYEKND
hDHFR (M140I)	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQR	1204
	MTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVL
	SRELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVW
	IVGGSSVYKEAMNHPGHLKLFVTRIIQDFESDTFFPEIDL
	EKYKLLPEYPGVLSDVQEEKGIKYKFEVYEKND
hDHFR (K185E)	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQR	1205
	MTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVL
	SRELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVW
	IVGGSSVYKEAMNHPGHLKLFVTRIMQDFESDTFFPEID
	LEKYKLLPEYPGVLSDVQEEKGIKYKFENYEEND
hDHFR (N186D)	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQR	1206
	MTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVL
	SRELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVW
	IVGGSSVYKEAMNHPGHLKLFVTRIMQDFESDTFFPEID
	LEKYKLLPEYPGVLSDVQEEKGIKYKFENYEKDD
hDHFR (C7R, Y163C)	MVGSLNRIVAVSQNMGIGKNGDLPWPPLRNEFRYFQR	1207
	MTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVL
	SRELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVW
	IVGGSSVYKEAMNHPGHLKLFVTRIMQDFESDTFFPEID
	LEKYKLLPECPGVLSDVQEEKGIKYKFEVYEKND
hDHFR (A10V, H88Y)	MVGSLNCIVVVSQNMGIGKNGDLPWPPLRNEFRYFQR	1208
	MTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVL
	SRELKEPPQGAYFLSRSLDDALKLTEQPELANKVDMVW
	IVGGSSVYKEAMNHPGHLKLFVTRIMQDFESDTFFPEID
	LEKYKLLPEYPGVLSDVQEEKGIKYKFENYEKND
hDHFR (Q36K, Y122I)	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFKR	1209
	MTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVL
	SRELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVW
	IVGGSSVIKEAMNHPGHLKLFVTRIMQDFESDTFFPEIDL
	EKYKLLPEYPGVLSDVQEEKGIKYKFEVYEKND
hDHFR (M53T, R138I)	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQR	1210
	MTTTSSVEGKQNLVITGKKTWFSIPEKNRPLKGRINLVL
	SRELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVW
	IVGGSSVYKEAMNHPGHLKLFVTIIMQDFESDTFFPEIDL
	EKYKLLPEYPGVLSDVQEEKGIKYKFEVYEKND
hDHFR (T57A, I72A)	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQR	1211
	MTTTSSVEGKQNLVIMGKKAWFSIPEKNRPLKGRANLV
	LSRELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMV
	WIVGGSSVYKEAMNHPGHLKLFVTRIMQDFESDTFFPEI
	DLEKYKLLPEYPGVLSDVQEEKGIKYKFEVYEKND
hDHFR (E63G, I176F)	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQR	1212
	MTTTSSVEGKQNLVIMGKKTWFSIPGKNRPLKGRINLVL
	SRELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVW
	IVGGSSVYKEAMNHPGHLKLFVTRIMQDFESDTFFPEID
	LEKYKLLPEYPGVLSDVQEEKGFKYKFEVYEKND
hDHFR (G21T, Y122I)	MVGSLNCIVAVSQNMGIGKNTDLPWPPLRNEFRYFQRM	1213
	TTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLS
	RELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVWI
	VGGSSVIKEAMNHPGHLKLFVTRIMQDFESDTFFPEIDL
	EKYKLLPEYPGVLSDVQEEKGIKYKFEVYEKND
hDHFR (L74N, Y122I)	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQR	1214
	MTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINNVL
	SRELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVW
	IVGGSSVIKEAMNHPGHLKLFVTRIMQDFESDTFFPEIDL
	EKYKLLPEYPGVLSDVQEEKGIKYKFEVYEKND
hDHFR (V75F, Y122I)	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQR	1215
	MTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLFL
	SRELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVW
	IVGGSSVIKEAMNHPGHLKLFVTRIMQDFESDTFFPEIDL
	EKYKLLPEYPGVLSDVQEEKGIKYKFEVYEKND
hDHFR (L94A, T147A)	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQR	1216
	MTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVL
	SRELKEPPQGAHFLSRSADDALKLTEQPELANKVDMVW
	IVGGSSVYKEAMNHPGHLKLFVTRIMQDFESDAFFPEID
	LEKYKLLPEYPGVLSDVQEEKGIKYKFENYEKND
DHFR (V121A, Y22I)	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQR	1217
	MTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVL
	SRELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVW
	IVGGSSAIKEAMNHPGHLKLFVTRIMQDFESDTFFPEIDL
	EKYKLLPEYPGVLSDVQEEKGIKYKFEVYEKND
hDHFR (Y122I, A125F)	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQR	1218
	MTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVL
	SRELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVW
	IVGGSSVIKEFMNHPGHLKLFVTRIMQDFESDTFFPEIDL
	EKYKLLPEYPGVLSDVQEEKGIKYKFEVYEKND
hDHFR (H131R, E144G)	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQR	1219
	MTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVL
	SRELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVW
	IVGGSSVYKEAMNHPGRLKLFVTRIMQDFGSDTFFPEID
	LEKYKLLPEYPGVLSDVQEEKGIKYKFENYEKND
hDHFR (T137R, F143L)	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQR	1220
	MTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVL
	SRELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVW
	IVGGSSVYKEAMNHPGHLKLFVRRIMQDLESDTFFPEID
	LEKYKLLPEYPGVLSDVQEEKGIKYKFENYEKND
hDHFR (Y178H, E18IG)	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQR	1221
	MTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVL
	SRELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVW
	IVGGSSVYKEAMNHPGHLKLFVTRIMQDFESDTFFPEID
	LEKYKLLPEYPGVLSDVQEEKGIKHKFGVYEKND
hDHFR (Y183H, K185E)	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQR	1222
	MTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVL
	SRELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVW
	IVGGSSVYKEAMNHPGHLKLFVTRIMQDFESDTFFPEID
	LEKYKLLPEYPGVLSDVQEEKGIKYKFEVHEEND
hDHFR (V9A, S93R, P150L)	MVGSLNCIAAVSQNMGIGKNGDLPWPPLRNEFRYFQR	1223
	MTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVL
	SRELKEPPQGAHFLSRRLDDALKLTEQPELANKVDMVW
	IVGGSSVYKEAMNHPGHLKLFVTRIMQDFESDTFFLEID
	LEKYKLLPEYPGVLSDVQEEKGIKYKFENYEKND
hDHFR (I8V, K133E, Y163C)	MVGSLNCVVAVSQNMGIGKNGDLPWPPLRNEFRYFQR	1224
	MTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVL
	SRELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVW
	IVGGSSVYKEAMNHPGHLELFVTRIMQDFESDTFFPEID
	LEKYKLLPECPGVLSDVQEEKGIKYKFEVYEKND
hDHFR (L23S, V121A, Y157C)	MVGSLNCIVAVSQNMGIGKNGDSPWPPLRNEFRYFQR	1225
	MTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVL
	SRELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVW
	IVGGSSAYKEAMNHPGHLKLFVTRIMQDFESDTFFPEID
	LEKCKLLPEYPGVLSDVQEEKGIKYKFEVYEKND
hDHFR (K19E, F89L, E181G)	MVGSLNCIVAVSQNMGIGENGDLPWPPLRNEFRYFQRM	1226
	TTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLS
	RELKEPPQGAHLLSRSLDDALKLTEQPELANKVDMVWI
	VGGSSVYKEAMNHPGHLKLFVTRIMQDFESDTFFPEIDL
	EKYKLLPEYPGVLSDVQEEKGIKYKFGVYEKND
hDHFR (Q36F, N65F, Y122I)	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFFRM	1227
	TTTSSVEGKQNLVIMGKKTWFSIPEKFRPLKGRINLVLS
	RELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVWI
	VGGSSVIKEAMNHPGHLKLFVTRIMQDFESDTFFPEIDL
	EKYKLLPEYPGVLSDVQEEKGIKYKFEVYEKND
hDHFR (G54R, M140V, S168C)	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQR	1228
	MTTTSSVEGKQNLVIMRKKTWFSIPEKNRPLKGRINLVL
	SRELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVW
	IVGGSSVYKEAMNHPGHLKLFVTRIVQDFESDTFFPEIDL
	EKYKLLPEYPGVLCDVQEEKGIKYKFEVYEKND
hDHFR (V110A, V136M, K177R)	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQR	1229
	MTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVL
	SRELKEPPQGAHFLSRSLDDALKLTEQPELANKADMVW
	IVGGSSVYKEAMNHPGHLKLFMTRIMQDFESDTFFPEID
	LEKYKLLPEYPGVLSDVQEEKGIRYKFEVYEKND
hDHFR (Amino acid 2-187 of WT;	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFFRMT	1230
Q36F, Y122I, A125F)	TTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSR
	ELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVWIV
	GGSSVIKEFMNHPGHLKLFVTRIMQDFESDTFFPEIDLEK
	YKLLPEYPGVLSDVQEEKGIKYKFEVYEKND
hDHFR (N49D, F59S, D153G)	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQR	1231
	MTTTSSVEGKQDLVIMGKKTWSSIPEKNRPLKGRINLVL
	SRELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVW
	IVGGSSVYKEAMNHPGHLKLFVTRIMQDFESDTFFPEIG
	LEKYKLLPEYPGVLSDVQEEKGIKYKFEVYEKND
hDHFR (G21E, I72V, I176T)	MVGSLNCIVAVSQNMGIGKNEDLPWPPLRNEFRYFQRM	1232
	TTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRVNLVLS
	RELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVWI
	VGGSSVYKEAMNHPGHLKLFVTRIMQDFESDTFFPEIDL
	EKYKLLPEYPGVLSDVQEEKGTKYKFEVYEKND
hDHFR (L100P, E102G, Q103R,	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQR
P104S, E105G, N108D, V113A,	MTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVL	1233
W114R, Y122C, M126I, N127R,	SRELKEPPQGAHFLSRSLDDALKPTGRSGLADKVDMAR
H128Y, L132P, F135P, I139T,	IVGGSSVCKEAIRYPGHPKLPVTRTMQDFESDTSLPEVA
F148S, F149L, I152V, D153A,	LEKYKLLPEYPGVLSGAQEEKGARYKFEAYERSD
D169G, V170A, I176A, K177R,
V182A, K185R, N186S)
hDHFR (V2A, R33G, Q36R,	MAGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFGYFRR	1234
L100P, K185R)	MTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVL
	SRELKEPPQGAHFLSRSLDDALKPTEQPELANKVDMVW
	IVGGSSVYKEAMNHPGHLKLFVTRIMQDFESDTFFPEID
	LEKYKLLPEYPGVLSDVQEEKGIKYKFEVYERND
hDHFR (G16S, I17V, F89L,	MVGSLNCIVAVSQNMSVGKNGDLPWPPLRNEFRYFQR	1235
D96G, K123E, M140V, D146G,	MTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVL
K156R)	SRELKEPPQGAHLLSRSLDGALKLTEQPELANKVDMVW
	IVGGSSVYEEAMNHPGHLKLFVTRIVQDFESGTFFPEIDL
	ERYKLLPEYPGVLSDVQEEKGIKYKFEVYEKND
hDHFR (F35L, R37G, N65A,	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYLQG	1236
L68S, K69E, R71G, L80P, K99G,	MTTTSSVEGKQNLVIMGKKTWFSIPEKARPSEGGINLVL
G117D, L132P, I139V, M140I,	SREPKEPPQGAHFLSRSLDDALGLTEQPELANKVDMVW
D142G, D146G, E173G, D187G)	IVDGSSVYKEAMNHPGHPKLFVTRVIQGFESGTFFPEIDL
	EKYKLLPEYPGVLSDVQEGKGIKYKFEVYEKNG
hDHFR (I17N, L98S, K99R,	MVGSLNCIVAVSQNMGNGKNGDLPWPPLRNEFRYFQR	1237
M112T, E151G, E162G, E172G)	MTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVL
	SRELKEPPQGAHFLSRSLDDASRLIEQPELANKVDTVWI
	VGGSSVYKEAMNHPGHLKLFVTRIMQDFESDTFFPGIDL
	EKYKLLPGYPGVLSDVQGEKGIKYKFEVYEKND
hDHFR (R138G, D142G, F143S,	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQR	1238
K156R, K158E, E162G, V166A,	MTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVL
K177E, Y178C, K185E, N186S)	SRELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVW
	IVGGSSVYKEAMNHPGHLKLFVTGIMQGSESDTFFPEID
	LERYELLPGYPGALSDVQEEKGIECKFEVYEESD
hDHFR (K81R, K99R, L100P,	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQR	1239
E102G, N108D, K123R, H128R,	MTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVL
D142G, F180L, K185E)	SRELREPPQGAHFLSRSLDDALRPTGQPELADKVDMVW
	IVGGSSVYREAMNRPGHLKLFVTRIMQGFESDTFFPEID
	LEKYKLLPEYPGVLSDVQEEKGIKYKLEVYEEND
hDHFR (N14S, P24S, F35L,	MVGSLNCIVAVSQSMGIGKNGDLSWPPLRNEFRYLQRM	1240
M53T, K56E, R92G, S93G,	TTTSSVEGKQNLVITGKETWFSIPEKNRPLKGRINLVLSR
N127S, H128Y, F135L, F143S,	ELKEPPQGAHFLSGGLDDALKLTEQPELANKVDMVWIV
L159P, L160P, E173A, F180L)	GGSSVYKEAMSYPGHLKLLVTRIMQDSESDTFFPEIDLE
	KYKPPPEYPGVLSDVQEAKGIKYKLEVYEKND
hDHFR (V2A, I17V, N30D,	MAGSLNCIVAVSQNMGVGKNGDLPWPPLRDGFRYFRR	1241
E31G, Q36R, F59S, K69E, I72T,	MTTTSSVEGKQNLVIMGKKTWSSIPEKNRPLEGRTNLV
H88Y, F89L, N108D, K109E,	LSRELKEPPQGAYLLSRSLDDALKLTEQPELADEAGMV
V110A, I115V, Y122D, L132P,	WVVGGSSVDKEAMNHPGHPKLSVTRIVQDFGSDAFFPE
F135S, M140V, E144G, T147A,	IDLEKCKLLPEYPGVLSDAQEERGIKYKFEVYEKSD
Y157C, V170A, K174R, N186S)
hDHFR (L28P, N30H, M38V,	MVGSLNCIVAVSQNMGIGKNGDLPWPPPRHEFRYFQRV	1242
V44A, L68S, N73G, R78G, A97T,	TTTSSAEGKQNLVIMGKKTWFSIPEKNRPSKGRIGLVLS
K99R, A107T, K109R, D111N,	GELKEPPQGAHFLSRSLDDTLRLTEQPELTNRVNMVWI
L134P, F135V, T147A, I152V,	VGGSSVYKEAMNHPGHLRPVVTRIMQDFESDAFFPEVD
K158R, E172G, V182A, E184R)	LEKYRLLPEYPGVLSDVQGEKGIKYKFEAYRKND
hDHFR (A10T, Q13R, N14S,	MVGSLNCIVTVSRSMGIGKDGDLSWPPLRSEFRYFQRTT	1243
N20D, P24S, N30S, M38T, T40A,	ATSSVEGRQSLVIMGKRTWFSTPERNRPLRGRANLVLS
K47R, N49S, K56R, I61T, K64R,	GELKGPPQGAHLLSRSLDGALKLTEQPELADKVDVVRI
K69R, I72A, R78G, E82G, F89L,	VGGSSVDEEAMNHPGHLKLFVTRVMRGFESDTLFPGID
D96G, N108D, M112V, W114R,	LGKRKLLPEYPGVLSDVREEKGIKYKLEVCGNN
Y122D, K123E, I139V, Q141R,
D142G, F148L, E151G, E155G,
Y157R, Q171R, Y183C, E184G,
K185del, D187N)
hDHFR (Amino acid 2-187 of WT;	VGSLNCIVAVSQNMGVGKNGDLPWPPLRNEFRYFQRM	1244
I17V, Y122I)	TTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLS
	RELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVWI
	VGGSSVIKEAMNHPGHLKLFVTRIMQDFESDTFFPEIDL
	EKYKLLPEYPGVLSDVQEEKGIKYKFEVYEKND
hDHFR (Amino acid 2-187 of WT;	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMT	1245
Y122I, M140I)	TTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSR
	ELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVWIV
	GGSSVIKEAMNHPGHLKLFVTRIIQDFESDTFFPEIDLEK
	YKLLPEYPGVLSDVQEEKGIKYKFEVYEKND
hDHFR (Amino acid 2-187 of WT;	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMT	1246
N127Y, Y122I)	TTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSR
	ELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVWIV
	GGSSVIKEAMYHPGHLKLFVTRIMQDFESDTFFPEIDLE
	KYKLLPEYPGVLSDVQEEKGIKYKFEVYEKND
hDHFR (Amino acid 2-187 of WT;	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMT	1196
Y122I, H131R, E144G)	TTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSR
	ELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVWIV
	GGSSVIKEAMNHPGRLKLFVTRIMQDFGSDTFFPEIDLE
	KYKLLPEYPGVLSDVQEEKGIKYKFEVYEKND
hDHFR (Amino acid 2-187 of WT;	VGSLNCIVAVSQNMGIGKNGSLPWPPLRNEMSYFSRMT	1248
D22S, F32M, R33S, Q36S, N65S)	TTSSVEGKQNLVIMGKKTWFSIPEKSRPLKGRINLVLSR
	ELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVWIV
	GGSSVYKEAMNHPGHLKLFVTRIMQDFESDTFFPEIDLE
	KYKLLPEYPGVLSDVQEEKGIKYKFEVYEKND
hDHFR (Amino acid 2-187 of WT;	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNDMRYFQRM	1249
E31D, F32M, V116I)	TTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLS
	RELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVWII
	GGSSVYKEAMNHPGHLKLFVTRIMQDFESDTFFPEIDLE
	KYKLLPEYPGVLSDVQEEKGIKYKFEVYEKND
hDHFR (Amino acid 2-187 of WT;	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMT	1250
E162G, I176F)	TTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSR
	ELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVWIV
	GGSSVYKEAMNHPGHLKLFVTRIMQDFESDTFFPEIDLE
	KYKLLPGYPGVLSDVQEEKGFKYKFEVYEKND
hDHFR (Amino acid 2-187 of WT;	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMT	1251
K185E)	TTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSR
	ELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVWIV
	GGSSVYKEAMNHPGHLKLFVTRIMQDFESDTFFPEIDLE
	KYKLLPEYPGVLSDVQEEKGIKYKFEVYEEND
hDHFR (Amino acid 2-187 of WT;	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMT	1252
Y122I, A125F)	TTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSR
	ELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVWIV
	GGSSVIKEFMNHPGHLKLFVTRIMQDFESDTFFPEIDLEK
	YKLLPEYPGVLSDVQEEKGIKYKFEVYEKND
hDHFR (Amino acid 2-187 of WT;	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFFRMT	1253
Q36F, N65F, Y122I)	TTSSVEGKQNLVIMGKKTWFSIPEKFRPLKGRINLVLSR
	ELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVWIV
	GGSSVIKEAMNHPGHLKLFVTRIMQDFESDTFFPEIDLE
	KYKLLPEYPGVLSDVQEEKGIKYKFEVYEKND
hDHFR (Amino acid 2-187 of WT;	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMT	1254
N127Y)	TTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSR
	ELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVWIV
	GGSSVYKEAMYHPGHLKLFVTRIMQDFESDTFFPEIDLE
	KYKLLPEYPGVLSDVQEEKGIKYKFEVYEKND
hDHFR (Amino acid 2-187 of WT;	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMT	1255
H131R, E144G)	TTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSR
	ELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVWIV
	GGSSVYKEAMNHPGRLKLFVTRIMQDFGSDTFFPEIDLE
	KYKLLPEYPGVLSDVQEEKGIKYKFEVYEKND
hDHFR (Amino acid 2-187 of WT;	VGSLNCIVAVSQNMGVGKNGDLPWPPLRNEFRYFQRM	1256
I17V)	TTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLS
	RELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVWI
	VGGSSVYKEAMNHPGHLKLFVTRIMQDFESDTFFPEIDL
	EKYKLLPEYPGVLSDVQEEKGIKYKFEVYEKND
hDHFR (Amino acid 2-187 of WT;	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMT	1257
Y122I)	TTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSR
	ELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVWIV
	GGSSVIKEAMNHPGHLKLFVTRIMQDFESDTFFPEIDLE
	KYKLLPEYPGVLSDVQEEKGIKYKFEVYEKND
hDHFR (E162G, I176F)	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQR	1258
	MTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVL
	SRELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVW
	IVGGSSVYKEAMNHPGHLKLFVTRIMQDFESDTFFPEID
	LEKYKLLPGYPGVLSDVQEEKGFKYKFEVYEKND
hDHFR (Amino acid 2-187 of WT;	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFKRMT	1259
Q36K, Y122I)	TTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSR
	ELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVWIV
	GGSSVIKEAMNHPGHLKLFVTRIMQDFESDTFFPEIDLE
	KYKLLPEYPGVLSDVQEEKGIKYKFEVYEKND

TABLE 7 — N terminal and C terminal hDHFR-GFP fusion constructs

			Amino	Nucleic
			Acid SEQ	Acid SEQ
Construct ID	Description	AA Sequence	ID NO	ID NO
OT-hDHFR-	hDHFR (WT);	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYF	2738	4331
001 (OT-	Restriction site	QRMTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKG
hDHFRN-	(TS); Linker	RINLVLSRELKEPPQGAHFLSRSLDDALKLTEQPEL
001)	(GGSGGG	ANKVDMVWIVGGSSVYKEAMNHPGHLKLFVTRIM
	(SEQ ID NO:	QDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEKGI
	2728));	KYKFEVYEKNDTSGGSGGGMVSKGAELFTGIVPILI
	AcGFP; stop	ELNGDVNGHKFSVSGEGEGDATYGKLTLKFICTTG
		KLPVPWPTLVTTLSYGVQCFSRYPDHMKQHDFFKS
		AMPEGYIQERTIFFEDDGNYKSRAEVKFEGDTLVN
		RIELTGTDFKEDGNILGNKMEYNYNAHNVYIMTDK
		AKNGIKVNFKIRHNIEDGSVQLADHYQQNTPIGDG
		PVLLPDNHYLSTQSALSKDPNEKRDHMIYFGFVTA
		AAITHGMDELYK*
OT-hDHFR-	hDHFR	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYF	1263	4332
002 (OT-	(Y122I);	QRMTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKG
hDHFRN-	Restriction site	RINLVLSRELKEPPQGAHFLSRSLDDALKLTEQPEL
002)	(TS); Linker	ANKVDMVWIVGGSSVIKEAMNHPGHLKLFVTRIM
	(GGSGGG	QDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEKGI
	(SEQ ID NO:	KYKFEVYEKNDTSGGSGGGMVSKGAELFTGIVPILI
	2728));	ELNGDVNGHKFSVSGEGEGDATYGKLTLKFICTTG
	AcGFP; stop	KLPVPWPTLVTTLSYGVQCFSRYPDHMKQHDFFKS
		AMPEGYIQERTIFFEDDGNYKSRAEVKFEGDTLVN
		RIELTGTDFKEDGNILGNKMEYNYNAHNVYIMTDK
		AKNGIKVNFKIRHNIEDGSVQLADHYQQNTPIGDG
		PVLLPDNHYLSTQSALSKDPNEKRDHMIYFGFVTA
		AAITHGMDELYK*
OT-hDHFR-	hDHFR	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYF	1264	4333
003 (OT-	(M53T,	QRMTTTSSVEGKQNLVITGKKTWFSIPEKNRPLKG
hDHFRN-	R138I);	RINLVLSRELKEPPQGAHFLSRSLDDALKLTEQPEL
003)	Restriction site	ANKVDMVWIVGGSSVYKEAMNHPGHLKLFVTIIM
	(TS); Linker	QDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEKGI
	(GGSGGG	KYKFEVYEKNDTSGGSGGGMVSKGAELFTGIVPILI
	(SEQ ID NO:	ELNGDVNGHKFSVSGEGEGDATYGKLTLKFICTTG
	2728));	KLPVPWPTLVTTLSYGVQCFSRYPDHMKQHDFFKS
	AcGFP; stop	AMPEGYIQERTIFFEDDGNYKSRAEVKFEGDTLVN
		RIELTGTDFKEDGNILGNKMEYNYNAHNVYIMTDK
		AKNGIKVNFKIRHNIEDGSVQLADHYQQNTPIGDG
		PVLLPDNHYLSTQSALSKDPNEKRDHMIYFGFVTA
		AAITHGMDELYK*
OT-hDHFR-	hDHFR	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYF	1265	4334
004 (OT-	(V75F,	QRMTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKG
hDHFRN-	Y122I);	RINLFLSRELKEPPQGAHFLSRSLDDALKLTEQPEL
004)	Restriction site	ANKVDMVWIVGGSSVIKEAMNHPGHLKLFVTRIM
	(TS); Linker	QDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEKGI
	(GGSGGG	KYKFEVYEKNDTSGGSGGGMVSKGAELFTGIVPILI
	(SEQ ID NO:	ELNGDVNGHKFSVSGEGEGDATYGKLTLKFICTTG
	2728));	KLPVPWPTLVTTLSYGVQCFSRYPDHMKQHDFFKS
	AcGFP; stop	AMPEGYIQERTIFFEDDGNYKSRAEVKFEGDTLVN
		RIELTGTDFKEDGNILGNKMEYNYNAHNVYIMTDK
		AKNGIKVNFKIRHNIEDGSVQLADHYQQNTPIGDG
		PVLLPDNHYLSTQSALSKDPNEKRDHMIYFGFVTA
		AAITHGMDELYK*
OT-hDHFR-	hDHFR	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYF	1266	4335
005 (OT-	(A125F,	QRMTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKG
hDHFRN-	Y122I);	RINLVLSRELKEPPQGAHFLSRSLDDALKLTEQPEL
005)	Restriction site	ANKVDMVWIVGGSSVIKEFMNHPGHLKLFVTRIM
	(TS); Linker	QDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEKGI
	(GGSGGG	KYKFEVYEKNDTSGGSGGGMVSKGAELFTGIVPILI
	(SEQ ID NO:	ELNGDVNGHKFSVSGEGEGDATYGKLTLKFICTTG
	2728));	KLPVPWPTLVTTLSYGVQCFSRYPDHMKQHDFFKS
	AcGFP; stop	AMPEGYIQERTIFFEDDGNYKSRAEVKFEGDTLVN
		RIELTGTDFKEDGNILGNKMEYNYNAHNVYIMTDK
		AKNGIKVNFKIRHNIEDGSVQLADHYQQNTPIGDG
		PVLLPDNHYLSTQSALSKDPNEKRDHMIYFGFVTA
		AAITHGMDELYK*
OT-hDHFR-	hDHFR	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYF	1267	4336
006 (OT-	(L74N,	QRMTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKG
hDHFRN-	Y122I);	RINNVLSRELKEPPQGAHFLSRSLDDALKLTEQPEL
006)	Restriction site	ANKVDMVWIVGGSSVIKEAMNHPGHLKLFVTRIM
	(TS); Linker	QDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEKGI
	(GGSGGG	KYKFEVYEKNDTSGGSGGGMVSKGAELFTGIVPILI
	(SEQ ID NO:	ELNGDVNGHKFSVSGEGEGDATYGKLTLKFICTTG
	2728));	KLPVPWPTLVTTLSYGVQCFSRYPDHMKQHDFFKS
	AcGFP; stop	AMPEGYIQERTIFFEDDGNYKSRAEVKFEGDTLVN
		RIELTGTDFKEDGNILGNKMEYNYNAHNVYIMTDK
		AKNGIKVNFKIRHNIEDGSVQLADHYQQNTPIGDG
		PVLLPDNHYLSTQSALSKDPNEKRDHMIYFGFVTA
		AAITHGMDELYK*
OT-hDHFR-	hDHFR	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYF	1268	4337
007 (OT-	(L94A,	QRMTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKG
hDHFRN-	T147A);	RINLVLSRELKEPPQGAHFLSRSADDALKLTEQPEL
007)	Restriction site	ANKVDMVWIVGGSSVYKEAMNHPGHLKLFVTRIM
	(TS); Linker	QDFESDAFFPEIDLEKYKLLPEYPGVLSDVQEEKGI
	(GGSGGG	KYKFEVYEKNDTSGGSGGGMVSKGAELFTGIVPILI
	(SEQ ID NO:	ELNGDVNGHKFSVSGEGEGDATYGKLTLKFICTTG
	2728)); stop	KLPVPWPTLVTTLSYGVQCFSRYPDHMKQHDFFKS
		AMPEGYIQERTIFFEDDGNYKSRAEVKFEGDTLVN
		RIELTGTDFKEDGNILGNKMEYNYNAHNVYIMTDK
		AKNGIKVNFKIRHNIEDGSVQLADHYQQNTPIGDG
		PVLLPDNHYLSTQSALSKDPNEKRDHMIYFGFVTA
		AAITHGMDELYK*
OT-hDHFR-	hDHFR	MVGSLNCIVAVSQNMGIGKNTDLPWPPLRNEFRYF	1269	4338
008 (OT-	(G21T,	QRMTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKG
hDHFRN-	Y122I);	RINLVLSRELKEPPQGAHFLSRSLDDALKLTEQPEL
008)	Restriction site	ANKVDMVWIVGGSSVIKEAMNHPGHLKLFVTRIM
	(TS); Linker	QDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEKGI
	(GGSGGG	KYKFEVYEKNDTSGGSGGGMVSKGAELFTGIVPILI
	(SEQ ID NO:	ELNGDVNGHKFSVSGEGEGDATYGKLTLKFICTTG
	2728));	KLPVPWPTLVTTLSYGVQCFSRYPDHMKQHDFFKS
	AcGFP; stop	AMPEGYIQERTIFFEDDGNYKSRAEVKFEGDTLVN
		RIELTGTDFKEDGNILGNKMEYNYNAHNVYIMTDK
		AKNGIKVNFKIRHNIEDGSVQLADHYQQNTPIGDG
		PVLLPDNHYLSTQSALSKDPNEKRDHMIYFGFVTA
		AAITHGMDELYK*
OT-hDHFR-	hDHFR	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYF	1270	4339
009 (OT-	(Q36K,	KRMTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKG
hDHFRN-	Y122I);	RINLVLSRELKEPPQGAHFLSRSLDDALKLTEQPEL
009)	Restriction site	ANKVDMVWIVGGSSVIKEAMNHPGHLKLFVTRIM
	(TS); Linker	QDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEKGI
	(GGSGGG	KYKFEVYEKNDTSGGSGGGMVSKGAELFTGIVPILI
	(SEQ ID NO:	ELNGDVNGHKFSVSGEGEGDATYGKLTLKFICTTG
	2728));	KLPVPWPTLVTTLSYGVQCFSRYPDHMKQHDFFKS
	AcGFP; stop	AMPEGYIQERTIFFEDDGNYKSRAEVKFEGDTLVN
		RIELTGTDFKEDGNILGNKMEYNYNAHNVYIMTDK
		AKNGIKVNFKIRHNIEDGSVQLADHYQQNTPIGDG
		PVLLPDNHYLSTQSALSKDPNEKRDHMIYFGFVTA
		AAITHGMDELYK*
OT-hDHFR-	hDHFR	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYF	1271	4340
010 (OT-	(Q36F, N65F,	KRMTTTSSVEGKQNLVIMGKKTWFSIPEKFRPLKG
hDHFRN-	Y122I);	RINLVLSRELKEPPQGAHFLSRSLDDALKLTEQPEL
010)	Restriction site	ANKVDMVWIVGGSSVIKEAMNHPGHLKLFVTRIM
	(TS); Linker	QDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEKGI
	(GGSGGG	KYKFEVYEKNDTSGGSGGGMVSKGAELFTGIVPILI
	(SEQ ID NO:	ELNGDVNGHKFSVSGEGEGDATYGKLTLKFICTTG
	2728));	KLPVPWPTLVTTLSYGVQCFSRYPDHMKQHDFFKS
	AcGFP; stop	AMPEGYIQERTIFFEDDGNYKSRAEVKFEGDTLVN
		RIELTGTDFKEDGNILGNKMEYNYNAHNVYIMTDK
		AKNGIKVNFKIRHNIEDGSVQLADHYQQNTPIGDG
		PVLLPDNHYLSTQSALSKDPNEKRDHMIYFGFVTA
		AAITHGMDELYK*
OT-hDHFR-	AcGFP;	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYF	1272	4341
021 (OT-	Restriction site	QRMTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKG
hDHFRN-	(TS); Linker	RINLVLSRELKEPPQGAHFLSRSLDDALKLTEQPEL
021)	(GGSGGG	ANKVDMVWIVGGSSAIKEAMNHPGHLKLFVTRIM
	(SEQ ID NO:	QDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEKGI
	2728));	KYKFEVYEKNDTSGGSGGGMVSKGAELFTGIVPILI
	hDHFR	ELNGDVNGHKFSVSGEGEGDATYGKLTLKFICTTG
	(Q36K,	KLPVPWPTLVTTLSYGVQCFSRYPDHMKQHDFFKS
	Y122I); stop	AMPEGYIQERTIFFEDDGNYKSRAEVKFEGDTLVN
		RIELTGTDFKEDGNILGNKMEYNYNAHNVYIMTDK
		AKNGIKVNFKIRHNIEDGSVQLADHYQQNTPIGDG
		PVLLPDNHYLSTQSALSKDPNEKRDHMIYFGFVTA
		AAITHGMDELYK*
OT-hDHFR-	AcGFP;	MVSKGAELFTGIVPILIELNGDVNGHKFSVSGEGEG	1187	4342
011 (OT-	Linker	DATYGKLTLKFICTTGKLPVPWPTLVTTLSYGVQC
hDHFRC-	(GGSGGG	FSRYPDHMKQHDFFKSAMPEGYIQERTIFFEDDGN
011)	(SEQ ID NO:	YKSRAEVKFEGDTLVNRIELTGTDFKEDGNILGNK
	2728));	MEYNYNAHNVYIMTDKAKNGIKVNFKIRHNIEDGS
	Restriction site	VQLADHYQQNTPIGDGPVLLPDNHYLSTQSALSKD
	(TS); hDHFR	PNEKRDHMIYFGFVTAAAITHGMDELYKGGSGGG
	(amino acid 2-	TSVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRY
	187 of WT);	FQRMTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLK
	stop	GRINLVLSRELKEPPQGAHFLSRSLDDALKLTEQPE
		LANKVDMVWIVGGSSVYKEAMNHPGHLKLFVTRI
		MQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEKG
		IKYKFEVYEKND*
OT-hDHFR-	AcGFP;	MVSKGAELFTGIVPILIELNGDVNGHKFSVSGEGEG	1273	4343
012 (OT-	Linker	DATYGKLTLKFICTTGKLPVPWPTLVTTLSYGVQC
hDHFRC-	(GGSGGG	FSRYPDHMKQHDFFKSAMPEGYIQERTIFFEDDGN
012)	(SEQ ID NO:	YKSRAEVKFEGDTLVNRIELTGTDFKEDGNILGNK
	2728));	MEYNYNAHNVYIMTDKAKNGIKVNFKIRHNIEDGS
	Restriction site	VQLADHYQQNTPIGDGPVLLPDNHYLSTQSALSKD
	(TS); hDHFR	PNEKRDHMIYFGFVTAAAITHGMDELYKGGSGGG
	(Amino acid 2-	TSVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRY
	187 of WT)	FQRMTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLK
	(Y122I); stop	GRINLVLSRELKEPPQGAHFLSRSLDDALKLTEQPE
		LANKVDMVWIVGGSSVIKEAMNHPGHLKLFVTRI
		MQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEKG
		IKYKFEVYEKND*
OT-hDHFR-	AcGFP;	MVSKGAELFTGIVPILIELNGDVNGHKFSVSGEGEG	1274	4344
013 (OT-	Linker	DATYGKLTLKFICTTGKLPVPWPTLVTTLSYGVQC
hDHFRC-	(GGSGGG	FSRYPDHMKQHDFFKSAMPEGYIQERTIFFEDDGN
013)	(SEQ ID NO:	YKSRAEVKFEGDTLVNRIELTGTDFKEDGNILGNK
	2728));	MEYNYNAHNVYIMTDKAKNGIKVNFKIRHNIEDGS
	Restriction site	VQLADHYQQNTPIGDGPVLLPDNHYLSTQSALSKD
	(TS); hDHFR	PNEKRDHMIYFGFVTAAAITHGMDELYKGGSGGG
	(Amino acid 2-	TSVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRY
	187 of WT)	FQRMTTTSSVEGKQNLVITGKKTWFSIPEKNRPLKG
	(M53T,	RINLVLSRELKEPPQGAHFLSRSLDDALKLTEQPEL
	R138I); stop	ANKVDMVWIVGGSSVYKEAMNHPGHLKLFVTIIM
		QDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEKGI
		KYKFEVYEKND*
OT-hDHFR-	AcGFP;	MVSKGAELFTGIVPILIELNGDVNGHKFSVSGEGEG	1275	4345
014 (OT-	Linker	DATYGKLTLKFICTTGKLPVPWPTLVTTLSYGVQC
hDHFRC-	(GGSGGG	FSRYPDHMKQHDFFKSAMPEGYIQERTIFFEDDGN
014)	(SEQ ID NO:	YKSRAEVKFEGDTLVNRIELTGTDFKEDGNILGNK
	2728));	MEYNYNAHNVYIMTDKAKNGIKVNFKIRHNIEDGS
	Restriction site	VQLADHYQQNTPIGDGPVLLPDNHYLSTQSALSKD
	(TS); hDHFR	PNEKRDHMIYFGFVTAAAITHGMDELYKGGSGGG
	(Amino acid 2-	TSVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRY
	187 of WT)	FQRMTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLK
	(V75F,	GRINLFLSRELKEPPQGAHFLSRSLDDALKLTEQPE
	Y122I); stop	LANKVDMVWIVGGSSVIKEAMNHPGHLKLFVTRI
		MQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEKG
		IKYKFEVYEKND*
OT-hDHFR-	AcGFP;	MVSKGAELFTGIVPILIELNGDVNGHKFSVSGEGEG	1276	4346
015 (OT-	Linker	DATYGKLTLKFICTTGKLPVPWPTLVTTLSYGVQC
hDHFRC-	(GGSGGG	FSRYPDHMKQHDFFKSAMPEGYIQERTIFFEDDGN
015)	(SEQ ID NO:	YKSRAEVKFEGDTLVNRIELTGTDFKEDGNILGNK
	2728));	MEYNYNAHNVYIMTDKAKNGIKVNFKIRHNIEDGS
	Restriction site	VQLADHYQQNTPIGDGPVLLPDNHYLSTQSALSKD
	(TS); hDHFR	PNEKRDHMIYFGFVTAAAITHGMDELYKGGSGGG
	(Amino acid 2-	TSVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRY
	187 of WT)	FQRMTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLK
	(A125F,	GRINLVLSRELKEPPQGAHFLSRSLDDALKLTEQPE
	Y122I); stop	LANKVDMVWIVGGSSVIKEFMNHPGHLKLFVTRI
		MQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEKG
		IKYKFEVYEKND*
OT-hDHFR-	AcGFP;	MVSKGAELFTGIVPILIELNGDVNGHKFSVSGEGEG	1277	4347
016 (OT-	Linker	DATYGKLTLKFICTTGKLPVPWPTLVTTLSYGVQC
hDHFRC-	(GGSGGG	FSRYPDHMKQHDFFKSAMPEGYIQERTIFFEDDGN
016)	(SEQ ID NO:	YKSRAEVKFEGDTLVNRIELTGTDFKEDGNILGNK
	2728));	MEYNYNAHNVYIMTDKAKNGIKVNFKIRHNIEDGS
	Restriction site	VQLADHYQQNTPIGDGPVLLPDNHYLSTQSALSKD
	(TS); hDHFR	PNEKRDHMIYFGFVTAAAITHGMDELYKGGSGGG
	(Amino acid 2-	TSVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRY
	187 of WT)	FQRMTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLK
	(L74N,	GRINNVLSRELKEPPQGAHFLSRSLDDALKLTEQPE
	Y122I); stop	LANKVDMVWIVGGSSVIKEAMNHPGHLKLFVTRI
		MQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEKG
		IKYKFEVYEKND*
OT-hDHFR-	AcGFP;	MVSKGAELFTGIVPILIELNGDVNGHKFSVSGEGEG	1278	4348
017 (OT-	Linker	DATYGKLTLKFICTTGKLPVPWPTLVTTLSYGVQC
hDHFRC-	(GGSGGG	FSRYPDHMKQHDFFKSAMPEGYIQERTIFFEDDGN
Y017)	(SEQ ID NO:	KSRAEVKFEGDTLVNRIELTGTDFKEDGNILGNK
	2728));	MEYNYNAHNVYIMTDKAKNGIKVNFKIRHNIEDGS
	Restriction site	VQLADHYQQNTPIGDGPVLLPDNHYLSTQSALSKD
	(TS); hDHFR	PNEKRDHMIYFGFVTAAAITHGMDELYKGGSGGG
	(Amino acid 2-	TSVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRY
	187 of WT)	FQRMTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLK
	(L94A,	GRINLVLSRELKEPPQGAHFLSRSADDALKLTEQPE
	T147A); stop	LANKVDMVWIVGGSSVYKEAMNHPGHLKLFVTRI
		MQDFESDAFFPEIDLEKYKLLPEYPGVLSDVQEEKG
		IKYKFEVYEKND*
OT-hDHFR-	AcGFP;	MVSKGAELFTGIVPILIELNGDVNGHKFSVSGEGEG	1279	4349
018 (OT-	Linker	DATYGKLTLKFICTTGKLPVPWPTLVTTLSYGVQC
hDHFRC-	(GGSGGG	FSRYPDHMKQHDFFKSAMPEGYIQERTIFFEDDGN
018)	(SEQ ID NO:	YKSRAEVKFEGDTLVNRIELTGTDFKEDGNILGNK
	2728));	MEYNYNAHNVYIMTDKAKNGIKVNFKIRHNIEDGS
	Restriction site	VQLADHYQQNTPIGDGPVLLPDNHYLSTQSALSKD
	(TS); hDHFR	PNEKRDHMIYFGFVTAAAITHGMDELYKGGSGGG
	(Amino acid 2-	TSVGSLNCIVAVSQNMGIGKNTDLPWPPLRNEFRY
	187 of WT)	FQRMTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLK
	(G21T,	GRINLVLSRELKEPPQGAHFLSRSLDDALKLTEQPE
	Y122I); stop	LANKVDMVWIVGGSSVIKEAMNHPGHLKLFVTRI
		MQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEKG
		IKYKFEVYEKND*
OT-hDHFR-	AcGFP;	MVSKGAELFTGIVPILIELNGDVNGHKFSVSGEGEG	1280	4350
019 (OT-	Linker	DATYGKLTLKFICTTGKLPVPWPTLVTTLSYGVQC
hDHFRC-	(GGSGGG	FSRYPDHMKQHDFFKSAMPEGYIQERTIFFEDDGN
019)	(SEQ ID NO:	YKSRAEVKFEGDTLVNRIELTGTDFKEDGNILGNK
	2728));	MEYNYNAHNVYIMTDKAKNGIKVNFKIRHNIEDGS
	Restriction site	VQLADHYQQNTPIGDGPVLLPDNHYLSTQSALSKD
	(TS); hDHFR	PNEKRDHMIYFGFVTAAAITHGMDELYKGGSGGG
	(Amino acid 2-	TSVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRY
	187 of WT)	FKRMTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLK
	(Q36K,	GRINLVLSRELKEPPQGAHFLSRSLDDALKLTEQPE
	Y122I); stop	LANKVDMVWIVGGSSVIKEAMNHPGHLKLFVTRI
		MQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEKG
		IKYKFEVYEKND*
OT-hDHFR-	AcGFP;	MVSKGAELFTGIVPILIELNGDVNGHKFSVSGEGEG	1281	4351
020 (OT-	Linker	DATYGKLTLKFICTTGKLPVPWPTLVTTLSYGVQC
hDHFRC-	(GGSGGG	FSRYPDHMKQHDFFKSAMPEGYIQERTIFFEDDGN
020)	(SEQ ID NO:	YKSRAEVKFEGDTLVNRIELTGTDFKEDGNILGNK
	2728));	MEYNYNAHNVYIMTDKAKNGIKVNFKIRHNIEDGS
	Restriction site	VQLADHYQQNTPIGDGPVLLPDNHYLSTQSALSKD
	(TS); hDHFR	PNEKRDHMIYFGFVTAAAITHGMDELYKGGSGGG
	(Amino acid 2-	TSVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRY
	187 of WT)	FKRMTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLK
	(Q36K,	GRINLVLSRELKEPPQGAHFLSRSLDDALKLTEQPE
	Y122I); stop	LANKVDMVWIVGGSSVIKEAMNHPGHLKLFVTRI
		MQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEKG
		IKYKFEVYEKND*
OT-hDHFR-	AcGFP;	MVSKGAELFTGIVPILIELNGDVNGHKFSVSGEGEG	1282	4352
022 (OT-	Linker	DATYGKLTLKFICTTGKLPVPWPTLVTTLSYGVQC
hDHFRC-	(GGSGGG	FSRYPDHMKQHDFFKSAMPEGYIQERTIFFEDDGN
022)	(SEQ ID NO:	YKSRAEVKFEGDTLVNRIELTGTDFKEDGNILGNK
	2728));	MEYNYNAHNVYIMTDKAKNGIKVNFKIRHNIEDGS
	Restriction site	VQLADHYQQNTPIGDGPVLLPDNHYLSTQSALSKD
	(TS); hDHFR	PNEKRDHMIYFGFVTAAAITHGMDELYKGGSGGG
	(Amino acid 2-	TSVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRY
	187 of WT)	FQRMTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLK
	(V121A,	GRINLVLSRELKEPPQGAHFLSRSLDDALKLTEQPE
	Y122I); stop	LANKVDMVWIVGGSSAIKEAMNHPGHLKLFVTRI
		MQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEKG
		IKYKFEVYEKND*
OT-hDHFR-	AcGFP. Linker	MVSKGAELFTGIVPILIELNGDVNGHKFSVSGEGEG	1283	4353
027 (OT-	(GGSGGG	DATYGKLTLKFICTTGKLPVPWPTLVTTLSYGVQC
hDHFRC-	(SEQ ID NO:	FSRYPDHMKQHDFFKSAMPEGYIQERTIFFEDDGN
027)	2728))-	YKSRAEVKFEGDTLVNRIELTGTDFKEDGNILGNK
	Restriction site	MEYNYNAHNVYIMTDKAKNGIKVNFKIRHNIEDGS
	(TS); hDHFR	VQLADHYQQNTPIGDGPVLLPDNHYLSTQSALSKD
	(Amino acid 2-	PNEKRDHMIYFGFVTAAAITHGMDELYKGGSGGG
	187 of WT)	TSVGSLNCIVAVSQNMGIGKNGSLPWPPLRNEMSY
	(D22S, F32M,	FSRMTTTSSVEGKQNLVIMGKKTWFSIPEKSRPLKG
	R33S, Q36S,	RINLVLSRELKEPPQGAHFLSRSLDDALKLTEQPEL
	N65S); stop	ANKVDMVWIVGGSSVYKEAMNHPGHLKLFVTRIM
		QDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEKGI
		KYKFEVYEKND*
OT-hDHFR-	AcGFP;	MVSKGAELFTGIVPILIELNGDVNGHKFSVSGEGEG	1284	4354
028 (OT-	Linker	DATYGKLTLKFICTTGKLPVPWPTLVTTLSYGVQC
hDHFRC-	(GGSGGG	FSRYPDHMKQHDFFKSAMPEGYIQERTIFFEDDGN
028)	(SEQ ID NO:	YKSRAEVKFEGDTLVNRIELTGTDFKEDGNILGNK
	2728))-	MEYNYNAHNVYIMTDKAKNGIKVNFKIRHNIEDGS
	Restriction site	VQLADHYQQNTPIGDGPVLLPDNHYLSTQSALSKD
	(TS); hDHFR	PNEKRDHMIYFGFVTAAAITHGMDELYKGGSGGG
	(Amino acid 2-	TSVGSLNCIVAVSQNMGIGKNGDLPWPPLRNDMR
	187 of WT)	YFQRMTTTSSVEGKQNLVIMGKKTWFSIPEKNRPL
	(E31D, F32M,	KGRINLVLSRELKEPPQGAHFLSRSLDDALKLTEQP
	V116I); stop	ELANKVDMVWIIGGSSVYKEAMNHPGHLKLFVTRI
		MQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEKG
		IKYKFEVYEKND*
OT-hDHFR-	AcGFP;	MVSKGAELFTGIVPILIELNGDVNGHKFSVSGEGEG	1285	4355
029 (OT-	Linker	DATYGKLTLKFICTTGKLPVPWPTLVTTLSYGVQC
hDHFRC-	(GGSGGG	FSRYPDHMKQHDFFKSAMPEGYIQERTIFFEDDGN
029)	(SEQ ID NO:	YKSRAEVKFEGDTLVNRIELTGTDFKEDGNILGNK
	2728))-	MEYNYNAHNVYIMTDKAKNGIKVNFKIRHNIEDGS
	Restriction site	VQLADHYQQNTPIGDGPVLLPDNHYLSTQSALSKD
	(TS); hDHFR	PNEKRDHMIYFGFVTAAAITHGMDELYKGGSGGG
	(Amino acid 2-	TSVGSLNCIVAVSQNMGVGKNGDLPWPPLRNEFR
	187 of WT)	YFQRMTTTSSVEGKQNLVIMGKKTWFSIPEKNRPL
	(I17V, Y122I);	KGRINLVLSRELKEPPQGAHFLSRSLDDALKLTEQP
	stop	ELANKVDMVWIVGGSSVIKEAMNHPGHLKLFVTRI
		MQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEKG
		IKYKFEVYEKND*
OT-hDHFR-	AcGFP;	MVSKGAELFTGIVPILIELNGDVNGHKFSVSGEGEG	1286	4356
030 (OT-	Linker	DATYGKLTLKFICTTGKLPVPWPTLVTTLSYGVQC
hDHFRC-	(GGSGGG	FSRYPDHMKQHDFFKSAMPEGYIQERTIFFEDDGN
030)	(SEQ ID NO:	YKSRAEVKFEGDTLVNRIELTGTDFKEDGNILGNK
	2728))-	MEYNYNAHNVYIMTDKAKNGIKVNFKIRHNIEDGS
	Restriction site	VQLADHYQQNTPIGDGPVLLPDNHYLSTQSALSKD
	(TS); hDHFR	PNEKRDHMIYFGFVTAAAITHGMDELYKGGSGGG
	(Amino acid 2-	TSVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRY
	187 of WT)	FQRMTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLK
	(Y122I,	GRINLVLSRELKEPPQGAHFLSRSLDDALKLTEQPE
	M140I); stop	LANKVDMVWIVGGSSVIKEAMNHPGHLKLFVTRII
		QDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEKGI
		KYKFEVYEKND*
OT-hDHFR-	AcGFP;	MVSKGAELFTGIVPILIELNGDVNGHKFSVSGEGEG	1287	4357
031 (OT-	Linker	DATYGKLTLKFICTTGKLPVPWPTLVTTLSYGVQC
hDHFRC-	(GGSGGG	FSRYPDHMKQHDFFKSAMPEGYIQERTIFFEDDGN
031)	(SEQ ID NO:	YKSRAEVKFEGDTLVNRIELTGTDFKEDGNILGNK
	2728))-	MEYNYNAHNVYIMTDKAKNGIKVNFKIRHNIEDGS
	Restriction site	VQLADHYQQNTPIGDGPVLLPDNHYLSTQSALSKD
	(TS); hDHFR	PNEKRDHMIYFGFVTAAAITHGMDELYKGGSGGG
	(Amino acid 2-	TSVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRY
	187 of WT)	FQRMTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLK
	(N127Y,	GRINLVLSRELKEPPQGAHFLSRSLDDALKLTEQPE
	Y122I); stop	LANKVDMVWIVGGSSVIKEAMYHPGHLKLFVTRI
		MQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEKG
		IKYKFEVYEKND*
OT-hDHFR-	AcGFP;	MVSKGAELFTGIVPILIELNGDVNGHKFSVSGEGEG	1288	4358
032 (OT-	Linker	DATYGKLTLKFICTTGKLPVPWPTLVTTLSYGVQC
hDHFRC-	(GGSGGG	FSRYPDHMKQHDFFKSAMPEGYIQERTIFFEDDGN
032)	(SEQ ID NO:	YKSRAEVKFEGDTLVNRIELTGTDFKEDGNILGNK
	2728))-	MEYNYNAHNVYIMTDKAKNGIKVNFKIRHNIEDGS
	Restriction site	VQLADHYQQNTPIGDGPVLLPDNHYLSTQSALSKD
	(TS); hDHFR	PNEKRDHMIYFGFVTAAAITHGMDELYKGGSGGG
	(Amino acid 2-	TSVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRY
	187 of WT)	FQRMTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLK
	(Y122I,	GRINLVLSRELKEPPQGAHFLSRSLDDALKLTEQPE
	H131R,	LANKVDMVWIVGGSSVIKEAMNHPGRLKLFVTRI
	E144G) ; stop	MQDFGSDTFFPEIDLEKYKLLPEYPGVLSDVQEEKG
		IKYKFEVYEKND*
OT-hDHFR-	Luc2p-Linker	MEDAKNIKKGPAPFYPLEDGTAGEQLHKAMKRYA	1289	4359
023	(SG)-DHFR	LVPGTIAFTDAHIEVDITYAEYFEMSVRLAEAMKR
	(Amino acid 2-	YGLNTNHRIVVCSENSLQFFMPVLGALFIGVAVAP
	187 of WT)	ANDIYNERELLNSMGISQPTVVFVSKKGLQKILNVQ
	(N186D); stop	KKLPIIQKIIIMDSKTDYQGFQSMYTFVTSHLPPGFN
		EYDFVPESFDRDKTIALIMNSSGSTGLPKGVALPHR
		TACVRFSHARDPIFGNQIIPDTAILSVVPFHHGFGMF
		TTLGYLICGFRVVLMYRFEEELFLRSLQDYKIQSAL
		LVPTLFSFFAKSTLIDKYDLSNLHEIASGGAPLSKEV
		GEAVAKRFHLPGIRQGYGLTETTSAILITPEGDDKP
		GAVGKVVPFFEAKVVDLDTGKTLGVNQRGELCVR
		GPMIMSGYVNNPEATNALIDKDWLHSGDIAYWD
		EDEHFFIVDRLKSLIKYKGYQVAPAELESILLQHPNI
		FDAGVAGLPDDDAGELPAAVVVLEHGKTMTEKEI
		VDYVASQVTTAKKLRGGVVFVDEVPKGLTGKLDA
		RKIREILIKAKKGGKIAVSGVGSLNCIVAVSQNMGI
		GKNGDLPWPPLRNEFRYFQRMTTTSSVEGKQNLVI
		MGKKTWFSIPEKNRPLKGRINLVLSRELKEPPQGA
		HFLSRSLDDALKLTEQPELANKVDMVWIVGGSSVY
		KEAMNHPGHLKLFVTRIMQDFESDTFFPEIDLEKYK
		LLPEYPGVLSDVQEEKGIKYKFEVYEKDD*
OT-hDHFR-	Luc2p-Linker	MEDAKNIKKGPAPFYPLEDGTAGEQLHKAMKRYA	1290	4360
024	(SG)-DHFR	LVPGTIAFTDAHIEVDITYAEYFEMSVRLAEAMKR
	(Amino acid 2-	YGLNTNHRIVVCSENSLQFFMPVLGALFIGVAVAP
	187 of WT)	ANDIYNERELLNSMGISQPTVVFVSKKGLQKILNVQ
	(M140I); stop	KKLPIIQKIIIMDSKTDYQGFQSMYTFVTSHLPPGFN
		EYDFVPESFDRDKTIALIMNSSGSTGLPKGVALPHR
		TACVRFSHARDPIFGNQIIPDTAILSVVPFHHGFGMF
		TTLGYLICGFRVVLMYRFEEELFLRSLQDYKIQSAL
		LVPTLFSFFAKSTLIDKYDLSNLHEIASGGAPLSKEV
		GEAVAKRFHLPGIRQGYGLTETTSAILITPEGDDKP
		GAVGKVVPFFEAKVVDLDTGKTLGVNQRGELCVR
		GPMIMSGYVNNPEATNALIDKDGWLHSGDIAYWD
		EDEHFFIVDRLKSLIKYKGYQVAPAELESILLQHPNI
		FDAGVAGLPDDDAGELPAAVVVLEHGKTMTEKEI
		VDYVASQVTTAKKLRGGVVFVDEVPKGLTGKLDA
		RKIREILIKAKKGGKIAVSGVGSLNCIVAVSQNMGI
		GKNGDLPWPPLRNEFRYFQRMTTTSSVEGKQNLVI
		MGKKTWFSIPEKNRPLKGRINLVLSRELKEPPQGA
		HFLSRSLDDALKLTEQPELANKVDMVWIVGGSSVY
		KEAMNHPGHLKLFVTRIIQDFESDTFFPEIDLEKYK
		LLPEYPGVLSDVQEEKGIKYKFEVYEKND*
OT-hDHFR-	Luc2p-Linker	MEDAKNIKKGPAPFYPLEDGTAGEQLHKAMKRYA	1291	4361
025	(SG)-DHFR	LVPGTIAFTDAHIEVDITYAEYFEMSVRLAEAMKR
	(Amino acid 2-	YGLNTNHRIVVCSENSLQFFMPVLGALFIGVAVAP
	187 of WT)	ANDIYNERELLNSMGISQPTVVFVSKKGLQKILNVQ
	(N127Y); stop	KKLPIIQKIIIMDSKTDYQGFQSMYTFVTSHLPPGFN
		EYDFVPESFDRDKTIALIMNSSGSTGLPKGVALPHR
		TACVRFSHARDPIFGNQIIPDTAILSVVPFHHGFGMF
		TTLGYLICGFRVVLMYRFEEELFLRSLQDYKIQSAL
		LVPTLFSFFAKSTLIDKYDLSNLHEIASGGAPLSKEV
		GEAVAKRFHLPGIRQGYGLTETTSAILITPEGDDKP
		GAVGKVVPFFEAKVVDLDTGKTLGVNQRGELCVR
		GPMIMSGYVNNPEATNALIDKDGWLHSGDIAYWD
		EDEHFFIVDRLKSLIKYKGYQVAPAELESILLQHPNI
		FDAGVAGLPDDDAGELPAAVVVLEHGKTMTEKEI
		VDYVASQVTTAKKLRGGVVFVDEVPKGLTGKLDA
		RKIREILIKAKKGGKIAVSGVGSLNCIVAVSQNMGI
		GKNGDLPWPPLRNEFRYFQRMTTTSSVEGKQNLVI
		MGKKTWFSIPEKNRPLKGRINLVLSRELKEPPQGA
		HFLSRSLDDALKLTEQPELANKVDMVWIVGGSSVY
		KEAMYHPGHLKLFVTRIMQDFESDTFFPEIDLEKYK
		LLPEYPGVLSDVQEEKGIKYKFEVYEKND*
OT-hDHFR-	Luc2p -Linker	MEDAKNIKKGPAPFYPLEDGTAGEQLHKAMKRYA	1292	4362
026	(SG)-DHFR	LVPGTIAFTDAHIEVDITYAEYFEMSVRLAEAMKR
	(Amino acid 2-	YGLNTNHRIVVCSENSLQFFMPVLGALFIGVAVAP
	187 of WT)	ANDIYNERELLNSMGISQPTVVFVSKKGLQKILNVQ
	(Y122I); stop	KKLPIIQKIIIMDSKTDYQGFQSMYTFVTSHLPPGFN
		EYDFVPESFDRDKTIALIMNSSGSTGLPKGVALPHR
		TACVRFSHARDPIFGNQIIPDTAILSVVPFHHGFGMF
		TTLGYLICGFRVVLMYRFEEELFLRSLQDYKIQSAL
		LVPTLFSFFAKSTLIDKYDLSNLHEIASGGAPLSKEV
		GEAVAKRFHLPGIRQGYGLTETTSAILITPEGDDKP
		GAVGKVVPFFEAKVVDLDTGKTLGVNQRGELCVR
		GPMIMSGYVNNPEATNALIDKDGWLHSGDIAYWD
		EDEHFFIVDRLKSLIKYKGYQVAPAELESILLQHPNI
		FDAGVAGLPDDDAGELPAAVVVLEHGKTMTEKEI
		VDYVASQVTTAKKLRGGVVFVDEVPKGLTGKLDA
		RKIREILIKAKKGGKIAVSGVGSLNCIVAVSQNMGI
		GKNGDLPWPPLRNEFRYFQRMTTTSSVEGKQNLVI
		MGKKTWFSIPEKNRPLKGRINLVLSRELKEPPQGA
		HFLSRSLDDALKLTEQPELANKVDMVWIVGGSSVI
		KEAMNHPGHLKLFVTRIMQDFESDTFFPEIDLEKYK
		LLPEYPGVLSDVQEEKGIKYKFEVYEKND*

TABLE 9 — Variable Heavy and Light Chain Sequences

	Antibody	SEQ ID
Target	chain	NO	Source
CD19	VH	4365	SEQ ID NO: 28 in WO2016168773A3
CD19	VH	4366	SEQ ID NO: 29 in WO2016168773A3
CD19	VH	4367	SEQ ID NO: 32 in WO2016168773A3
CD19	VH	4368	SEQ ID NO: 33 in WO2016168773A3
CD19	VH	4369	SEQ ID NO: 34 in WO2016168773A3
CD19	VH	4370	SEQ ID NO: 35 in WO2016168773A3
CD19	VH	4371	SEQ ID NO: 51 in WO2016187349A1
CD19	VH	4372	SEQ ID NO: 20 in US20160039942
CD19	VH	4373	SEQ ID NO. 1 in WO2014184143
CD19	VH	4374	SEQ ID NO. 5 in US20160145337A1
CD19	VH	4375	SEQ ID NO: 15 in US20160319020
CD19	VH	4376	SEQ ID NO: 166 in US20160152723
CD19	VH	4377	SEQ ID NO: 167 in US20160152723
CD19	VH	4378	SEQ ID NO: 168 in US20160152723
CD19	VH	4379	SEQ ID NO: 17 in EP3057991A1
CD19	VH	4380	SEQ ID NO: 172 in US20160152723
CD19	VH	4381	SEQ ID NO: 176 in US20160152723
CD19	VH	4382	SEQ ID NO: 177 in US20160152723
CD19	VH	4383	SEQ ID NO: 181 in US20160152723
CD19	VH	4384	SEQ ID NO: 183 in US20160152723
CD19	VH	4385	SEQ ID NO: 184 in US20160152723
CD19	VH	4386	SEQ ID NO: 185 in US20160152723
CD19	VH	4387	SEQ ID NO: 62 in US20160152723
CD19	VH	4388	SEQ ID NO: 62 in WO2016097231
CD19	VH	4389	SEQ ID NO. 12 in WO2016134284
CD19	VH	4390	SEQ ID NO: 111 in US20160333114A1
CD19	VH	4391	SEQ ID NO: 113 in US20160333114A1
CD19	VH	4392	SEQ ID NO: 33 in EP3057994A1
CD19	VH	4393	SEQ ID NO: 34 in EP3057994A1
CD19	VH	4394	SEQ ID NO: 35 in EP3057994A1
CD19	VH	4395	SEQ ID NO. 53 in WO2016120216
CD19	VH	4396	SEQ ID NO. 55 in WO2016120216
CD19	VK	4397	SEQ ID NO: 13 in US20160319020
CD19	VK	4398	SEQ ID NO: 6 in US20160319020
CD19	VL	4399	SEQ ID NO: 27 in WO2016168773A3
CD19	VL	4400	SEQ ID NO: 31 in WO2016168773A3
CD19	VL	4401	SEQ ID NO: 49 in WO2016187349A1
CD19	VL	4402	SEQ ID NO. 11 in WO2016134284
CD19	VL	4403	SEQ ID NO. 194 in US20140134142A1
CD19	VL	4404	SEQ ID NO. 54 in WO2016120216
CD19	VL	4405	SEQ ID NO. 56 in WO2016120216
CD19	VL	4406	SEQ ID NO: 13 in US20160152723
CD19	VL	4407	SEQ ID NO: 14 in US20160152723
CD19	VL	4408	SEQ ID NO: 15 in US20160152723
CD19	VL	4409	SEQ ID NO: 16 in US20160152723
CD19	VL	4410	SEQ ID NO: 17 in US20160152723
CD19	VL	4411	SEQ ID NO: 186 in US20160152723
CD19	VL	4412	SEQ ID NO: 187 in US20160152723
CD19	VL	4413	SEQ ID NO: 188 US20160152723
CD19	VL	4414	SEQ ID NO: 189 in US20160152723
CD19	VL	4415	SEQ ID NO: 192 in US20160152723
CD19	VL	4416	SEQ ID NO: 196 in US20160152723
CD19	VL	4417	SEQ ID NO: 197 in US20160152723
CD19	VL	4418	SEQ ID NO: 198 in US20160152723
CD19	VL	4419	SEQ ID NO: 199 in US20160152723
CD19	VL	4420	SEQ ID NO: 200 in US20160152723
CD19	VL	4421	SEQ ID NO: 201 in US20160152723
CD19	VL	4422	SEQ ID NO: 202 in US20160152723
CD19	VL	4423	SEQ ID NO: 203 in US20160152723
CD19	VL	4424	SEQ ID NO: 204 in US20160152723
CD19	VL	4425	SEQ ID NO: 205 in US20160152723
CD19	VL	4426	SEQ ID NO: 22 in US20160039942
CD19	VL	4427	SEQ ID NO: 63 in WO2016097231
CD19	VL	4428	SEQ ID NO: 64 in US20160152723
CD19	VL	4429	SEQ ID NO: 66 in US20160152723
CD19	VL	4430	SEQ ID NO: 67 in US20160152723
CD19	VL	4431	SEQ ID NO: 68 in US20160152723
CD19	VL	4432	SEQ ID NO: 69 in US20160152723
CD19	VL	4433	SEQ ID NO: 70 in US20160152723
CD19	VL	4434	SEQ ID NO: 71 in US20160152723
CD19	VL	4435	SEQ ID NO: 91 in US20160152723
CD19	VL	4436	SEQ ID NO. 3 in US20160145337A1
CD19	VL	4437	SEQ ID NO: 112 in US20160333114A1
CD19	VL	4438	SEQ ID NO: 114 in US20160333114A1

TABLE 11 — Amino acid sequences of the CD19 CAR and its components

		Amino	Nucleic
		Acid	Acid SEQ
		SEQ	ID NO or
Description	Amino Acid Sequence	ID NO	Sequence
CD19 scFv	DIQMTQTTSSLSASLGDRVTISCRASQDISKYLNW	1294	4619-
	YQQKPDGTVKLLIYHTSRLHSGVPSRFSGSGSGTD		4623
	YSLTISNLEQEDIATYFCQQGNTLPYTFGGGTKLEI
	TGGGGSGGGGSGGGGSEVKLQESGPGLVAPSQSL
	SVTCTVSGVSLPDYGVSWIRQPPRKGLEWLGVIW
	GSETTYYNSALKSRLTIIKDNSKSQVFLKMNSLQT
	DDTAIYYCAKHYYYGGSYAMDYWGQGTSVTVSS
CD8α hinge + TM	TTTPAPRPPTPAPTIASQPLSLRPEACRPAAGGAVH	1300	4624
	TRGLDFACDIYIWAPLAGTCGVLLLSLVITLYC
CD8α hinge	TTTPAPRPPTPAPTIASQPLSLRPEACRPAAGGAVH	1302	4625-
	TRGLDFACD		4629
CD3 zeta signaling	RVKFSRSADAPAYKQGQNQLYNELNLGRREEYD	1308	4630-
domain	VLDKRRGRDPEMGGKPRRKNPQEGLYNELQKDK		4634
	MAEAYSEIGMKGERRRGKGHDGLYQGLSTATKD
	TYDALHMQALPPR
4-1BB intracellular	KRGRKKLLYIFKQPFMRPVQTTQEEDGCSCRFPEE	1314	4635-
signaling domain	EEGGCEL		4639
CD8α leader	MALPVTALLLPLALLLHAARP	1320	4640-
			4644
			4645-
			4647
Linker	GGSGG	1329	1331,
			4648-
			4651
Linker	SG	—
Modified Furin	ESRRVRRNKRSK	1336	4652-
			4654
hDHFR (Amino acid 2-	VGSLNIVAVSQNMGIGKNGDLPWPPLRNEFRYF	13	4655
187 of WT)(Y122I)	QRMTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLK
	GRINLVLSRELKEPPQGAHFLSRSLDDALKLTEQP
	ELANKVDMVWIVGGSSVIKEAMNHPGHLKLFVT
	RIMQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEE
	KGIKYKFEVYEKND
hDHFR (Amino acid 2-	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYF	41	4656
187 of WT)(Y122I,	QRMTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLK
A125F)	GRINLVLSRELKEPPQGAHFLSRSLDDALKLTEQP
	ELANKVDMVWIVGGSSVIKEFMNHPGHLKLFVTR
	IMQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEK
	GIKYKFEVYEKND
hDHFR (Amino acid 2-	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYF	38	4657
187 of WT)(Q36K,	KRMTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLK
Y122I)	GRINLVLSRELKEPPQGAHFLSRSLDDALKLTEQP
	ELANKVDMVWIVGGSSVIKEAMNHPGHLKLFVT
	RIMQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEE
	KGIKYKFEVYEKND
hDHFR (Amino acid 2-	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYF	56	4658
187 of WT)(Q36F,	FRMTTTSSVEGKQNLVIMGKKTWFSIPEKFRPLKG
N65F, Y122I)	RINLVLSRELKEPPQGAHFLSRSLDDALKLTEQPEL
	ANKVDMVWIVGGSSVIKEAMNHPGHLKLFVTRI
	MQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEK
	GIKYKFEVYEKND
OT-CD19-008 (OT-	MALPVTALLLPLALLLHAARPDIQMTQTTSSLSAS	1340	4659
CD19C-008)(CD8a	LGDRVTISCRASQDISKYLNWYQQKPDGTVKLLIY
leader; CD19 scFv;	HTSRLHSGVPSRFSGSGSGTDYSLTISNLEQEDIAT
CD8a hinge + TM;	YFCQQGNTLPYTFGGGTKLEITGGGGSGGGGSGG
41BB; CD3zeta; linker;	GGSEVKLQESGPGLVAPSQSLSVTCTVSGVSLPDY
(GGSGG (SEQ ID NO:	GVSWIRQPPRKGLEWLGVIWGSETTYYNSALKSR
2729)); hDHFR	LTIIKDNSKSQVFLKMNSLQTDDTAIYYCAKHYY
(Amino acid 2-187 of	YGGSYAMDYWGQGTSVTVSSTTTPAPRPPTPAPTI
WT)(Y122I); stop)	ASQPLSLRPEACRPAAGGAVHTRGLDFACDIYIW
	APLAGTCGVLLLSLVITLYCKRGRKKLLYIFKQPF
	MRPVQTTQEEDGCSCRFPEEEEGGCELRVKFSRSA
	DAPAYKQGQNQLYNELNLGRREEYDVLDKRRGR
	DPEMGGKPRRKNPQEGLYNELQKDKMAEAYSEI
	GMKGERRRGKGHDGLYQGLSTATKDTYDALHM
	QALPPRGGSGGVGSLNCIVAVSQNMGIGKNGDLP
	WPPLRNEFRYFQRMTTTSSVEGKQNLVIMGKKT
	WFSIPEKNRPLKGRINLVLSRELKEPPQGAHFLSRS
	LDDALKLTEQPELANKVDMVWIVGGSSVIKEAM
	NHPGHLKLFVTRIMQEDFESDTFFPEIDLEKYKLLPE
	YPGVLSDVQEEKGIKYKFEVYEKND*
OT-CD19-009 (OT-	MALPVTALLLPLALLLHAARPDIQMTQTTSSLSAS	1341	4660
CD19C-009)(CD8a	LGDRVTISCRASQDISKYLNWYQQKPDGTVKLLIY
leader; CD19 scFv;	HTSRLHSGVPSRFSGSGSGTDYSLTISNLEQEDIAT
CD8a hinge + TM;	YFCQQGNTLPYTFGGGTKLEITGGGGSGGGGSGG
41BB; CD3zeta; linker;	GGSEVKLQESGPGLVAPSQSLSVTCTVSGVSLPDY
hDHFR(Amino acid 2-	GVSWIRQPPRKGLEWLGVIWGSETTYYNSALKSR
187 of WT)(Y122I,	LTIIKDNSKSQVFLKMNSLQTDDTAIYYCAKHYY
A125F); stop)	YGGSYAMDYWGQGTSVTVSSTTTPAPRPPTPAPTI
	ASQPLSLRPEACRPAAGGAVHTRGLDFACDIYIW
	APLAGTCGVLLLSLVITLYCKRGKKLLYIFKQPF
	MRPVQTTQEEDGCSCRFPEEEEGGCELRVKFSRSA
	DAPAYKQGQNQLYNELNLGRREEYDVLDKRRGR
	DPEMGGKPRRKNPQEGLYNELQKDKMAEAYSEI
	GMKGERRRGKGHDGLYQGLSTATKDTYDALHM
	QALPPRGGSGGVGSLNCIVAVSQNMGIGKNGDLP
	WPPLRNEFRYFQRMTTTSSVEGKQNLVIMGKKT
	WFSIPEKNRPLKGRINLVLSRELKEPPQGAHFLSRS
	LDDALKLTEQPELANKVDMVWIVGGSSVIKEFMN
	HPGHLKLFVTRIMQDFESDTFFPEIDLEKYKLLPEY
	PGVLSDVQEEKGIKYKFEVYEKND*
OT-CD19-010 (OT-	MALPVTALLLPLALLLHAARPDIQMTQTTSSLSAS	1342	4661
CD19C-010)(CD8a	LGDRVTISCRASQDISKYLNWYQQKPDGTVKLLIY
leader; CD19 scFv;	HTSRLHSGVPSRFSGSGSGTDYSLTISNLEQEDIAT
CD8a hinge + TM;	YFCQQGNTLPYTFGGGTKLEITGGGGSGGGGSGG
41BB; CD3zeta; linker;	GGSEVKLQESGPGLVAPSQSLSVTCTVSGVSLPDY
hDHFR(Amino acid 2-	GVSWIRQPPRKGLEWLGVIWGSETTYYNSALKSR
187 of WT)(Q36K,	LTIIKDNSKSQVFLKMNSLQTDDTAIYYCAKHYY
Y122I); stop)	YGGSYAMDYWGQGTSVTVSSTTTPAPRPPTPAPTI
	ASQPLSLRPEACRPAAGGAVHTRGLDFACDIYIW
	APLAGTCGVLLLSLVITLYCKRGRKKLLYIFKQPF
	MRPVQTTQEEDGCSCRFPEEEEGGCELRVKFSRSA
	DAPAYKQGQNQLYNELNLGRREEYDVLDKRRGR
	DPEMGGKPRRKNPQEGLYNELQKDKMAEAYSEI
	GMKGERRRGKGHDGLYQGLSTATKDTYDALHM
	QALPPRGGSGGVGSLNCIVAVSQNMGIGKNGDLP
	WPPLRNEFRYFKRMTTTSSVEGKQNLVIMGKKT
	WFSIPEKNRPLKGRINLVLSRELKEPPQGAHFLSRS
	LDDALKLTEQPELANKVDMVWIVGGSSVIKEAM
	NHPGHLKLFVTRIMQDFESDTFFPEIDLEKYKLLPE
	YPGVLSDVQEEKGIKYKFEVYEKND*
OT-CD19-011 (OT-	MALPVTALLLPLALLLHAARPDIQMTQTTSSLSAS	1343	4662
CD19C-011)(CD8a	LGDRVTISCRASQDISKYLNWYQQKPDGTVKLLIY
leader; CD19 scFv;	HTSRLHSGVPSRFSGSGSGTDYSLTISNLEQEDIAT
CD8a hinge + TM;	YFCQQGNTLPYTFGGGTKLEITGGGGSGGGGSGG
41BB; CD3zeta; linker;	GGSEVKLQESGPGLVAPSQSLSVTCTVSGVSLPDY
hDHFR (Amino acid 2-	GVSWIRQPPRKGLEWLGVIWGSETTYYNSALKSR
187 of WT)(Q36F,	LTIIKDNSKSQVFLKMNSLQTDDTAIYYCAKHYY
N65F, Y122I); stop)	YGGSYAMDYWGQGTSVTVSSTTTPAPRPPTPAPTI
	ASQPLSLRPEACRPAAGGAVHTRGLDFACDIYIW
	APLAGTCGVLLLSLVITLYCKRGRKKLLYIFKQPF
	MRPVQTTQEEDGCSCRFPEEEEGGCELRVKFSRSA
	DAPAYKQGQNQLYNELNLGRREEYDVLDKRRGR
	DPEMGGKPRRKNPQEGLYNELQKDKMAEAYSEI
	GMKGERRRGKGHDGLYQGLSTATKDTYDALHM
	QALPPRGGSGGVGSLNCIVAVSQNMGIGKNGDLP
	WPPLRNEFRYFFRMTTTSSVEGKQNLVIMGKKTW
	FSIPEKFRPLKGRINLVLSRELKEPPQGAHFLSRSL
	DDALKLTEQPELANKVDMVWIVGGSSVIKEAMN
	HPGHLKLFVTRIMQDFESDTFFPEIDLEKYKLLPEY
	PGVLSDVQEEKGIKYKFEVYEKND*
OT-CD19-014 (OT-	MALPVTALLLPLALLLHAARPSGVGSLNCIVAVSQ	1344	4663;
CD19N-014)(CD8a	NMGIGKNGDLPWPPLRNEFRYFQRMTTTSSVEGK		4664
leader; linker(SG);	QNLVIMGKKTWFSIPEKNRPLKGRINLVLSRELKE
hDHFR(Amino acid 2-	PPQGAHFLSRSLDDALKLTEQPELANKVDMVWIV
187 of WT)(Y122I,	GGSSVIKEFMNHPGHLKLFVTRIMQDFESDTFFPEI
A125F); furin site	DLEKYKLLPEYPGVLSDVQEEKGIKYKFEVYEKN
(ESRRVRRNKRSK	DESRRVRRNKRSKDIQMTQTTSSLSASLGDRVTIS
(SEQ ID NO: 2734));	CRASQDISKYLNWYQQKPDGTVKLLIYHTSRLHS
CD19 scFV; CD8a	GVPSRFSGSGSGTDYSLTISNLEQEDIATYFCQQGN
hinge + TM; 41BB;	TLPYTFGGGTKLEITGGGGSGGGGSGGGGSEVKL
CD3zeta; stop)	QESGPGLVAPSQSLSVTCTVSGVSLPDYGVSWIRQ
	PPRKGLEWLGVIWGSETTYYNSALKSRLTIIKDNS
	KSQVFLKMNSLQTDDTAIYYCAKHYYYGGSYAM
	DYWGQGTSVTVSSTTTPAPRPPTPAPTIASQPLSLR
	PEACRPAAGGAVHTRGLDFACDIYIWAPLAGTCG
	VLLLSLVITLYCKRGRKKLLYIFKQPFMRPVQTTQ
	EEDGCSCRFPEEEEGGCELRVKFSRSADAPAYKQ
	GQNQLYNELNLGRREEYDVLDKRRGRDPEMGGK
	PRRKNPQEGLYNELQKDKMAEAYSEIGMKGERR
	RGKGHDGLYQGLSTATKDTYDALHMQALPPR*
OT-CD19-015 (OT-	MALPVTALLLPLALLLHAARPSGVGSLNCIVAVSQ	1345	4665;
CD19N-015)(CD8a	NMGIGKNGDLPWPPLRNEFRYFKRMTTTSSVEGK		4666
leader; linker(SG);	QNLVIMGKKTWFSIPEKNRPLKGRINLVLSRELKE
hDHFR(Amino acid 2-	PPQGAHFLSRSLDDALKLTEQPELANKVDMVWIV
187 of WT)(Q36K,	GGSSVIKEAMNHPGHLKLFVTRIMQDFESDTFFPEI
Y122I); furin site	DLEKYKLLPEYPGVLSDVQEEKGIKYKFEVYEKN
(ESRRVRRNKRSK	DESRRVRRNKRSKDIQMTQTTSSLSASLGDRVTIS
(SEQ ID NO: 2734));	CRASQDISKYLNWYQQKPDGTVKLLIYHTSRLHS
CD19 scFV; CD8a	GVPSRFSGSGSGTDYSLTISNLEQEDIATYFCQQGN
hinge + TM; 41BB;	TLPYTFGGGTKLEITGGGGSGGGGSGGGGSEVKL
CD3zeta; stop)	QESGPGLVAPSQSLSVTCTVSGVSLPDYGVSWIRQ
	PPRKGLEWLGVIWGSETTYYNSALKSRLTIIKDNS
	KSQVFLKMNSLQTDDTAIYYCAKHYYYGGSYAM
	DYWGQGTSVTVSSTTTPAPRPPTPAPTIASQPLSLR
	PEACRPAAGGAVHTRGLDFACDIYIWAPLAGTCG
	VLLLSLVITLYCKRGRKKLLYIFKQPFMRPVQTTQ
	EEDGCSCRFPEEEEGGCELRVKFSRSADAPAYKQ
	GQNQLYNELNLGRREEYDVLDKRRGRDPEMGGK
	PRRKNPQEGLYNELQKDKMAEAYSEIGMKGERR
	RGKGHDGLYQGLSTATKDTYDALHMQALPPR*

TABLE 12 — scFv sequences SEQ ID

Target	Description	NO	Source
CD19	scFv	4667	SEQ ID NO. 53 in EP3083671A1
CD19	scFv	4668	SEQ ID NO. 54 in EP3083671A1
CD19	scFv	4669	SEQ ID NO. 1 in WO2015157252
CD19	scFv	4670	SEQ ID NO. 10 in WO2015157252
CD19	scFv	4671	SEQ ID NO. 10 in WO2016033570
CD19	scFv	4672	SEQ ID NO. 11 in WO2015157252
CD19	scFv	4673	SEQ ID NO. 12 in WO2015157252
CD19	scFv	4674	SEQ ID NO. 2 in WO2015157252
CD19	scFv	4675	SEQ ID NO. 2 in WO2016033570
CD19	scFv	4676	SEQ ID NO. 206 in WO2016033570
CD19	scFv	4677	SEQ ID NO. 207 in WO2016033570
CD19	scFv	4678	SEQ ID NO. 208 in WO2016033570
CD19	scFv	4679	SEQ ID NO. 209 in WO2016033570
CD19	scFv	4680	SEQ ID NO. 210 in WO2016033570
CD19	scFv	4681	SEQ ID NO. 211 in WO2016033570
CD19	scFv	4682	SEQ ID NO. 213 in WO2016033570
CD19	scFv	4683	SEQ ID NO. 214 in WO2016033570
CD19	scFv	4684	SEQ ID NO. 215 in WO2016033570
CD19	scFv	4685	SEQ ID NO. 216 in WO2016033570
CD19	scFv	4686	SEQ ID NO. 217 in WO2016033570
CD19	scFv	4687	SEQ ID NO. 218 in WO2016033570
CD19	scFv	4688	SEQ ID NO. 219 in WO2016033570
CD19	scFv	4689	SEQ ID NO. 220 in WO2016033570
CD19	scFv	4690	SEQ ID NO. 221 in WO2016033570
CD19	scFv	4691	SEQ ID NO. 222 in WO2016033570
CD19	scFv	4692	SEQ ID NO. 223 in W02016033570
CD19	scFv	4693	SEQ ID NO. 224 in WO2016033570
CD19	scFv	4694	SEQ ID NO. 225 in WO2016033570
CD19	scFv	4695	SEQ ID NO. 3 in WO2015157252
CD19	scFv	4696	SEQ ID NO. 4 in WO2015157252
CD19	scFv	4697	SEQ ID NO. 4 in WO2016033570
CD19	scFv	4698	SEQ ID NO. 45 in WO2016033570
CD19	scFv	4699	SEQ ID NO. 47 in WO2016033570
CD19	scFv	4700	SEQ ID NO. 49 in WO2016033570
CD19	scFv	4701	SEQ ID NO. 5 in WO2015155341A1
CD19	scFv	4702	SEQ ID NO. 5 in WO2015157252
CD19	scFv	4703	SEQ ID NO. 51 in WO2016033570
CD19	scFv	4704	SEQ ID NO. 53 in WO2016033570
CD19	scFv	4705	SEQ ID NO. 55 in WO2016033570
CD19	scFv	4706	SEQ ID NO. 57 in WO2016033570
CD19	scFv	4707	SEQ ID NO. 59 in WO2015157252
CD19	scFv	4708	SEQ ID NO. 59 in WO2016033570
CD19	scFv	4709	SEQ ID NO. 6 in WO2015157252
CD19	scFv	4710	SEQ ID NO. 6 in WO2016033570
CD19	scFv	4711	SEQ ID NO. 7 in WO2014184143
CD19	scFv	4712	SEQ ID NO. 7 in WO2015157252
CD19	scFv	4713	SEQ ID NO. 8 in WO2015157252
CD19	scFv	4714	SEQ ID NO. 8 in WO2016033570
CD19	scFv	4715	SEQ ID NO. 87 in WO2016033570
CD19	scFv	4716	SEQ ID NO. 9 in WO2015157252
CD19	scFv	4717	SEQ ID NO. 9 in WO2016139487
CD19	scFv	4718	SEQ ID NO. 10 in US20160152723
CD19	scFv	4719	SEQ ID NO. 2 in US20160152723
CD19	scFv	4720	SEQ ID NO. 206 in US20160152723
CD19	scFv	4721	SEQ ID NO. 207 in US20160152723
CD19	scFv	4722	SEQ ID NO. 208 in US20160152723
CD19	scFv	4723	SEQ ID NO. 209 in US20160152723
CD19	scFv	4724	SEQ ID NO. 210 in US20160152723
CD19	scFv	4725	SEQ ID NO. 211 in US20160152723
CD19	scFv	4726	SEQ ID NO. 212 in US20160152723
CD19	scFv	4727	SEQ ID NO. 213 in US20160152723
CD19	scFv	4728	SEQ ID NO. 214 in US20160152723
CD19	scFv	4729	SEQ ID NO. 215 in US20160152723
CD19	scFv	4730	SEQ ID NO. 216 in US20160152723
CD19	scFv	4731	SEQ ID NO. 217 in US20160152723
CD19	scFv	4732	SEQ ID NO. 218 in US20160152723
CD19	scFv	4733	SEQ ID NO. 219 in US20160152723
CD19	scFv	4734	SEQ ID NO. 220 in US20160152723
CD19	scFv	4735	SEQ ID NO. 221 in US20160152723
CD19	scFv	4736	SEQ ID NO. 222 in US20160152723
CD19	scFv	4737	SEQ ID NO. 223 in US20160152723
CD19	scFv	4738	SEQ ID NO. 224 in US20160152723
CD19	scFv	4739	SEQ ID NO. 225 in US20160152723
CD19	scFv	4740	SEQ ID NO. 32 in EP3083691A2
CD19	scFv	4741	SEQ ID NO. 35 in EP3083691A2
CD19	scFv	4742	SEQ ID NO. 38 in EP3083691A2
CD19	scFv	4743	SEQ ID NO. 4 in US20160152723
CD19	scFv	4744	SEQ ID NO. 45 in US20160152723
CD19	scFv	4745	SEQ ID NO. 47 in US20160152723
CD19	scFv	4746	SEQ ID NO. 49 in US20160152723
CD19	scFv	4747	SEQ ID NO. 51 in US20160152723
CD19	scFv	4748	SEQ ID NO. 53 in US20160152723
CD19	scFv	4749	SEQ ID NO. 55 in US20160152723
CD19	scFv	4750	SEQ ID NO. 57 in US20160152723
CD19	scFv	4751	SEQ ID NO. 59 in US20160152723
CD19	scFv	4752	SEQ ID NO. 6 in US20160152723
CD19	scFv	4753	SEQ ID NO. 8 in US20160152723
CD19	scFv	4754	SEQ ID NO. 87 in US20160152723
CD19	scFv	4755	SEQ ID NO. 89 in US20160152723
CD19	scFv	4756	SEQ ID NO. 39 in WO2016109410
CD19	scFv	4757	SEQ ID NO. 37 in EP3083671A1
CD19	scFv	4758	SEQ ID NO. 174 in WO2016115482
CD19	scFv	4759	SEQ ID NO. 20 in WO2012079000
CD19	scFv	4760	SEQ ID NO. 32 in WO2015092024
CD19	scFv	4761	SEQ ID NO. 33 in WO2015092024A2
CD19	scFv	4762	SEQ ID NO. 35 in WO2015092024A2
CD19	scFv	4763	SEQ ID NO. 38 in WO2015092024A2
CD19	scFv	4764	SEQ ID NO. 40 in WO2016109410
CD19	scFv	4765	SEQ ID NO. 41 in WO2016109410
CD19	scFv	4766	SEQ ID NO. 42 in WO2016109410
CD19	scFv	4767	SEQ ID NO. 43 in WO2016109410
CD19	scFv	4768	SEQ ID NO. 44 in WO2016109410
CD19	scFv	4769	SEQ ID NO. 45 in WO2016109410
CD19	scFv	4770	SEQ ID NO. 46 in WO2016109410
CD19	scFv	4771	SEQ ID NO. 47 in WO2016109410
CD19	scFv	4772	SEQ ID NO. 48 in WO2016109410
CD19	scFv	4773	SEQ ID NO. 49 in WO2016109410
CD19	scFv	4774	SEQ ID NO. 5 in WO2015155341A1
CD19	scFv	4775	SEQ ID NO. 50 in WO2016109410
CD19	scFv	4776	SEQ ID NO. 51 in WO2016109410
CD19	scFv	4777	SEQ ID NO. 7 in US20160145337A1
CD19	scFv	4778	SEQ ID NO. 9 in US20160145337A1
CD19	scFv	4779	SEQ ID NO. 20 in U.S. Pat. No.
			9,499,629B2
CD19	scFv	4780	SEQ ID NO. 6 in WO2015155341A1
CD19	scFv	4781	SEQ ID NO. 73 in WO2016164580
CD19	scFv	4782	SEQ ID NO. 10 US20160152723
CD19	scFv	4783	SEQ ID NO. 2 in US20160152723
CD19	scFv	4784	SEQ ID NO. 206 in US20160152723
CD19	scFv	4785	SEQ ID NO. 207 in US20160152723
CD19	scFv	4786	SEQ ID NO. 209 in US20160152723
CD19	scFv	4787	SEQ ID NO. 210 in US20160152723
CD19	scFv	4788	SEQ ID NO. 212 in US20160152723
CD19	scFv	4789	SEQ ID NO. 216 in US20160152723
CD19	scFv	4790	SEQ ID NO. 218 in US20160152723
CD19	scFv	4791	SEQ ID NO. 219 in US20160152723
CD19	scFv	4792	SEQ ID NO. 220 in US20160152723
CD19	scFv	4793	SEQ ID NO. 221 in US20160152723
CD19	scFv	4794	SEQ ID NO. 222 in US20160152723
CD19	scFv	4795	SEQ ID NO. 223 in US20160152723
CD19	scFv	4796	SEQ ID NO. 224 in US20160152723
CD19	scFv	4797	SEQ ID NO. 225 in US20160152723
CD19	scFv	4798	SEQ ID NO. 4 in US20160152723
CD19	scFv	4799	SEQ ID NO. 45 in US20160152723
CD19	scFv	4800	SEQ ID NO. 47 in US20160152723
CD19	scFv	4801	SEQ ID NO. 49 in US20160152723
CD19	scFv	4802	SEQ ID NO. 51 in US20160152723
CD19	scFv	4803	SEQ ID NO. 53 in US20160152723
CD19	scFv	4804	SEQ ID NO. 55 in US20160152723
CD19	scFv	4805	SEQ ID NO. 57 in US20160152723
CD19	scFv	4806	SEQ ID NO. 59 in US20160152723
CD19	scFv	4807	SEQ ID NO. 6 in US20160152723
CD19	scFv	4808	SEQ ID NO. 8 in US20160152723
CD19	scFv	4809	SEQ ID NO. 87 in US20160152723
CD19	scFv	4810	SEQ ID NO. 89 in US20160152723
CD19	scFv	4811	SEQ ID NO. 5 in WO2016055551

TABLE 15 — Transmembrane domains SEQ ID

Transmembrane domain	Amino Acid Sequence	NO.
CD8 Transmembrane	TTTPAPRPPTPAPTIASQPLSLRPEACRPAAGGAVHTRGLDF	528
domain	ACDI
2B4 Transmembrane	FLVIIVILSALFLGTLACFCV	577
domain
4-1BB Transmembrane	IISFFLALTSTALLFLLFFLTLRFSVVKRGR	529
domain
4-1BB Transmembrane	IISFFLALTSTALLFLLFFLTLRFSVV	530
domain
CD134(OX40)	VAAILGLGLVLGLLGPLAILLALYLL	531
Transmembrane domain
CD148 Transmembrane	AVFGCIFGALVIVTVGGFIFWRKKRKDAKNNEVSFSQIKPK	532
and intracellular domain	KSKLIRVENFEAYFKKQQADSNCGFAEEYEDLKLVGISQPK
	YAAELAENRGKNRYNNVLPYDISRVKLSVQTHSTDDYINA
	NYMPGYHSKKDFIATQGPLPNTLKDFWRMVWEKNVYAII
	MLTKCVEQGRTKCEEYWPSKQAQDYGDITVAMTSEIVLPE
	VVTIRDFTVKNIQTSESHPLRQFHFTSWPDHGVPDTTDLLIN
	FRYLVRDYMKQSPPESPILVHCSAGVGRTGTFIAIDRLIYQI
	ENENTVDVYGIVYDLRMHRPLMVQTEDQYVFLNQCVLDI
	VRSQKDSKVDLIYQNTTAMTIYENLAPVTTFGKTNGYIA
CD148 Transmembrane	AVFGCIFGALVIVTVGGFIFW	533
domain
CD2 Transmembrane	KEITNALETWGALGQDINLDIPSFQMSDDIDDIKWEKTSDK	534
domain	KKIAQFRKEKETFKEKDTYKLFKNGTLKIKHLKTDDQDIYK
	VSIYDTKGKNVLEKIFDLKIQERVSKPKISWTCINTTLTCEV
	MNGTDPELNLYQDGKHLKLSQRVITHKWTTSLSAKFKCTA
	GNKVSKESSVEPVSCPEKGLD
CD28 Transmembrane and	IEVMYPPPYLDNEKSNGTITHVKGKHLCPSPLFPGPSKPFW	535
intracellular domain	VLVVVGGVLACYSLLVTVAHIFWVRSKRSRLLHSDYMNM
	TPRRPGPTRKHYQPYAPPRDFAAYRS
CD28 Transmembrane	FWVLVVVGGVLACYSLLVTVAFIIFWV	536
domain
CD28 Transmembrane	IEVMYPPPYLDNEKSNGTIIHVKGKHLCPSPLFPGPSKPFWV	537
domain	LVVVGGVLACYSLLVTVAFIIFWV
CD28 Transmembrane	IFWVLVVVGGVLACYSLLVTVAFIIFWVRSKRR	538
domain
CD28 Transmembrane	FWVLVVVGGVLACYSLLVTVAFIIFWVRSKRSRLLHSDYM	539
domain	NMTPRRPGPTRKHYQPYAPPRDFAAYRS
CD28 Transmembrane	MFWVLVVVGGVLACYSLLVTVAFIIFWV	540
domain
CD28 Transmembrane	FWVLVVVGGVLACYSLLVTVAFHFWV	541
domain
CD28 Transmembrane	FWVLVVVGGVLACYSLLVTVAFIIFWVRSKRSRLLHSDYM	578
domain	NMTPRRPGPTRKHYQAYAAARDFAAYRS
CD28 Transmembrane	IEVMYPPPYLDNEKSNGTIIHVKGKHLCPSPLFPGPSKPFWV	579
domain	LWVGGVLACYSLLVTVAFIIFWVRSKRSRLLHSDYMNMTP
	RRPGPTRKHYQPYAPPRDFAAYRS
CD28 Transmembrane	MFWVLVVVGGVLACYSGGVTVAFIIFWV	542
domain
CD28 Transmembrane	WVLVVVGGVLACYSLLVTVAFIIFWV	543
domain
CD28 Transmembrane	FWVLVVVGGVLACYSLLVTVAFIIFWVR	580
domain
CD28 Transmembrane	PFWVLVVVGGVLACYSLLVTVAFIIFWVRSKRSRLLHSDY	544
domain	MNMTPRRPGPTRKHYQPYAPPRDFAAYRS
CD28 Transmembrane	FWVLVVVGGVLACYSLLVTVAFIIFWVRSKRSRLLHSDYM	545
domain and CD28 and	NMTPRRPGPTRKHYQPYAPPRDFAAYRSRVKFSRSADAPA
CD34 Zeta intracellular	YQQGQNQLYNELNLGRREEYDVLDKRRGRDPEMGGKPRR
domain	KNPQEGLYNELQKDKMAEAYSEIGMKGERRRGKGHDGLY
	QGLSTATKDTYDALHMQALPPR
CD28 Transmembrane	FWVLVVVGGVLACYSLLVTVAFIIFWVRSKRSRLLHSDYM	546
domain and CD28, OX40,	NMTPRRPGPTRKHYQPYAPPRDFAAYRSRDQRLPPDAHKP
and CD3 Zeta intracellular	PGGGSFRTPIQEEQADAHSTLAKIRVKFSRSADAPAYQQGQ
domain	NQLYNELNLGRREEYDVLDKRRGRDPEMGGKPRRKNPQE
	GLYNELQKDKMAEAYSEIGMKGERRRGKGHDGLYQGLST
	ATKDTYDALHMQALPPR
CD28 Transmembrane	FWVLVVVGGVLACYSLLVTVAFIIFWVRRVKFSRSADAPA	547
domain and CD3 Zeta	YQQGQNQLYNELNLGRREEYDVLDKRRGRDPEMGGKPRR
intracellular domain	KNPQEGLYNELQKDKMAEAYSEIGMKGERRRGKGHDGLY
	QGLSTATKDTYDALHMQALPPR
CD28 transmembrane-CD3	AAAIEVMYPPPYLDNEKSNGTIIHVKGKHLCPSPLFPGPSKP	548
zeta signaling domain	FWVLVVVGGVLACYSLLVTVAFIIFWVRSKRSRLLHSDYM
(“28z”)	NMTPRRPGPTRKHYQPYAPPRDFAAYRSRVKFSRSADAPA
	YQQGQNQLYNELNLGRREEYDVLDKRRGRDPEMGGKPRR
	KNPQEGLYNELQKDKMAEAYSEIGMKGERRRGKGHDGLY
	QGLSTATKDTYDALHMQALPPR
CD3 zeta Transmembrane	LCYLLDGILFIYGVILTALFLRV	549
domain
CD3 zeta Transmembrane	MKWKALFTAAILQAQLPITEAQSFGLLDPKLCYLLDGILFIY	550
domain	GVILTALFL
CD3 zeta Transmembrane	LCYLLDGILFIYGVILTALFL	551
domain
CD4 Transmembrane	ALIVLGGVAGLLLFIGLGIFFCVRC	552
domain
CD4 Transmembrane	MALIVLGGVAGLLLFIGLGIFF	553
domain
CD45 Transmembrane and	ALIAFLAFLIIVTSIALLVVLYKIYDLHKKRSCNLDEQQELV	554
intracellular domain	ERDDEKQLMNVEPIHADILLETYKRKIADEGRLFLAEFQSIP
	RVFSKFPIKEARKPFNQNKNRYVDILPYDYNRVELSEINGD
	AGSNYINASYIDGFKEPRKYIAAQGPRDETVDDFWRMIWE
	QKATVIVMVTRCEEGNRNKCAEYWPSMEEGRAFGDVVV
	KINQHKRCPDYIIQKLNIVNKKEKATGREVTHIQFTSWPDH
	GVPEDPHLLLKLRRRVNAFSNFFSGPIWHCSAGVGRTGTYI
	GIDAMLEGLEAENKVDVYGYVVKLRRQRCLMVQVEAQYI
	LIHQALVEYNQFGETEVNLSELHPYLHNMKKRDPPSEPSPL
	EAEFQRLPSYRSWRTQHIGNQEENKSKNRNSNVIPYDYNR
	VPLKHELEMSKESEHDSDESSDDDSDSEEPSKYINASFIMSY
	WKPEVMIAAQGPLKETIGDFWQMIFQRKVKVIVMLTELKH
	GDQEICAQYWGEGKQTYGDIEVDLKDTDKSSTYTLRVFEL
	RHSKRKDSRTVYQYQYTNWSVEQLPAEPKELISMIQWKQK
	LPQKNSSEGNKHHKSTPLLIHCRDGSQQTGIFCALLNLLES
	AETEEWDIFQWKALRKARPGMVSTFEQYQFLYDVIASTYP
	AQNGQVKKNNHQEDKIEFDNEVDKVKQDANCVNPLGAPE
	KLPEAKEQAEGSEPTSGTEGPEHSVNGPASPALNQGS
CD62L Transmembrane	PLFIPVAVMVTAFSGLAFIIWLA	555
domain
CD7 Transmembrane	ALPAALAVISFLLGLGLGVACVLA	556
domain
CD8 Transmembrane	MALPVTALLLPLALLLHAARP	557
domain
CD8 Transmembrane	AAAFVPVFLPAKPTTTPAPRPPTPAPTIASQPLSLRPEACRPA	558
domain and CD28	AGGAVHTRGLDFACDIYIWAPLAGTCGVLLLSLVITLYCN
signaling domain	HRNRSKRSRLLHSDYMNMTPRRPGPTRKHYQPYAPPRDFA
	AYRSRFSVVKRGRKKLLYIFKQPFMRPVQTTQEEDGCSCRF
	PEEEEGGCELRVKFSRSADAPAYQQGQNQLYNELNLGRRE
	EYDVLDKRRGRDPEMGGKPRRKNPQEGLYNELQKDKMA
	EAYSEIGMKGERRRGKGHDGLYQGLSTATKDTYDALHMQ
	ALPPR
CD8 transmembrane	AAATTTPAPRPPTPAPTIASQPLSLRPEACRPAAGGAVHTR	559
domain-CD137 (4-1BB)	GLDFACDIYIWAPLAGTCGVLLLSLVITLYCKRGRKKLLYI
signaling domain and CD3	FKQPFMRPVQTTQEEDGCSCRFPEEEEGGCELRVKFSRSAD
zeta signaling domain	APAYKQGQNQLYNELNLGRREEYDVLDKRRGRDPEMGG
(“BBz”)	KPRRKNPQEGLYNELQKDKMAEAYSEIGMKGERRRGKGH
	DGLYQGLSTATKDTYDALHMQALPPR
CD8a Transmembrane	FVPVFLPAKPTTTPAPRPPTPAPTIASQPLSLRPEACRPAAGG	560
domain	AVHTRGLDFACDIYIWAPLAGTCGVLLLSLVITLYCNHRN
CD8a Transmembrane	IWAPLAGTCGVLLLSLVITLYC	561
domain
CD8a Transmembrane	IYIWAPLAGTCGVLLLSLVITLYC	562
domain
CD8a Transmembrane	IYIWAPLAGTCGVLLLSLVITLYCR	563
domain
CD8a Transmembrane	PTTTPAPRPPTPAPTIASQPLSLRPEACRPAAGGAVHTRGLD	564
domain	FACDIYIWAPLAGTCGVLLLSLVITLYCN
CD8a Transmembrane	IYIWAPLAGTCGVLLLSLVITLVCR	565
domain
CD8a Transmembrane	IYIWAPLAGTCGVLLLSLVIT	566
domain
CD8a Transmembrane	IYIWAPLAGTCGVLLLSLVITLY	567
domain
CD8a Transmembrane	TPAPRPPTPAPTIASQPLSLRPEACRPAAGGAWTRGLDFAC	581
domain (NP 001139345.1)	DIYIWAPLAGTCGVLLLSLVITLYCNHRNRRR
CD8b Transmembrane	LGLLVAGVLVLLVSLGVAIHLCC	582
domain
DAP10 Transmembrane	ILLAGLVAADAVASLLIVGAVFLCARR	583
domain
EpoR Transmembrane	APVGLVARLADESGHVVLRWLPPPETPMTSHIRYEVDVSA	568
domain	GNGAGSVQRVEILEGRTECVLSNLRGRTRYTFAVRARMAE
	PSFGGFWSAWSEPVSLLTPSD
FcERI a Transmembrane	FFIPLLVVILFAVDTGLFISTQQQVTFLLKIKRRKGFRLLNP	569
domain	HPKPNPKNN
FcERI a-Transmembrane	MAPAMESPTLLCVALLFFAPDGVLAVPQKPKVSLNPPWNR	570
domain	IFKGENVTLTCNGNNFFEVSSTKWFHNGSLSEETNSSLNIV
	NAKFEDSGEYKCQHQQVNESEPVYLEVFSDWLLLQASAEV
	VMEGQPLFLRCHGWRNWDVYKVIYYKDGEALKYWYENH
	NISITNATVEDSGTYYCTGKVWQLDYESEPLNITVIKAPRE
	KYWLQFFIPLLVVILFAVDTGLFISTQQQVTFLLKIKRTRKG
	FRLLNPHPKPNPKNN
FcERI b-Transmembrane	MDTESNRRANLALPQEPSSVPAFEVLEISPQEVSSGRLLKSA	571
region	SSPPLHTWLTVLKKEQEFLGVTQILTAMICLCFGTVVCSVL
	DISHIEGDIFSSFKAGYPFWGAIFFSISGMLSIISERRNATYLV
	RGSLGANTASSIAGGTGITILIINLKKSLAYIHIHSCQKFFETK
	CFMASFSTEIVVMMLFLTILGLGSAVSLTICGAGEELKGNK
	VPEDRVYEELNIYSATYSELEDPGEMSPPIDL
FcERI g-Transmembrane	MIPAVVLLLLLLVEQAAALGEPQLCYILDAILFLYGIVLTLL	572
region	YCRLKIQVRKAAITSYEKSDGVYTGLSTRNQETYETLKHEK
	PPQ
FcERIa Transmembrane	DIFIPLLVVILFAVDTGLFISTQQQVTFLLKIKRTRKGFRLLN	573
domain	PHPKPNPKNNR
GITR Transmembrane	PLGWLTVVLLAVAACVLLLTSAQLGLHIWQL	574
domain
Her2 Transmembrane	SIISAVVGILLVVVLGVVFGILII	575
domain
Her2 Transmembrane	CHPECQPQNGSVTCFGPEADQCVACAHYKDPPFCVARCPS	576
domain	GVKPDLSYMPIWKFPDEEGACQPCPINCTHSCVDLDDKGC
	PAEQRASPLTSIISAVVGILLVVVLGVVFGILI
ICOS Transmembrane	FWLPIGCAAFVVVCILGCILI	584
domain
IgG1 Transmembrane	EPKSPDKTHTCPPCPAPPVAGPSVFLFPPKPKDTLMIARTPE	585
domain	VTCVVVDVSHEDPEVKFNWYVDGVEVHNAKTKPREEQY
	NSTYRVVSVLTVLHQDWLNGKEYKCKVSNKALPAPIEKTI
	SKAKGQPREPQVYTLPPSRDELTKNQVSLTCLVKGFYPSDI
	AVEWESNGQPENNYKTTPPVLDSDGSFFLYSKLTVDKSRW
	QQGNVFSCSVMHEALHNHYTQKSLSLSPGKKD
LAG-3 Transmembrane	LLFLILGVLSLLLLVTGAFGF	586
domain
OX40 Transmembrane	VAAILGLGLVLGLLGPLAILL	587
domain
PD-1 Transmembrane	VGWGGLLGSLVLLVWVLAVI	588
domain
Transmembrane domain	FWALVVVAGVLFCYGLLVTVALCVIWT	589
CD28 transmembrane and	EIVMYPPPYLDNEKSNGTIIHVKGKHLCPSPLFPGPSKPFWV	1346
signaling domains	LVVVGGVLACYSLLVTVAFIIFWVRSKRSRLLHSDYMNMT
	PRRPGPTRKHYQPYAPPRDFAAYRS
CD28 Transmembrane	VMYPPPYLDNEKSNGTIIHVKGKHLCPSPLFPGPSKPFWVL	1347
domain	VVVGGVLACYSLLVTVAFIIFWVR
CD8 Transmembrane	TTTPAPRPPTPAPTIASQPLSLRPEACRPAAGGAVHTRGLDF	1348
domain	ACDIYIWAPLAGTCGVLLLSLVITLYC

TABLE 16 — Hinge regions SEQ ID

Hinge Domain	Amino Acid Sequence	NO.
Hinge	DKTHT	590
Hinge	CPPC	591
Hinge	CPEPKSCDTPPPCPR	592
Hinge	ELKTPLGDTTHT	593
Hinge	KSCDKTHTCP	594
Hinge	KCCVDCP	595
Hinge	KYGPPCP	596
C233P Hinge	VEPKSPDKTHTCPPCP	597
C233S Hinge	LDPKSSDKTHTCPPCP	598
CD28 Hinge	IEVMYPPPYLDNEKSNGTIIHVKGKHLCPSPLFPGPSKP	599
CD8a Hinge	GGAVHTRGLDFA	600
CD8a Hinge	TTTPAPRPPTPAPTIASQPLSLRPEACRPAAGGAVHTRGLD	601
	FACD
CD8a Hinge	AKPTTTPAPRPPTPAPTIASQPLSLRPEACRPAAGGAVHTR	602
	GLDFACD
CD8a Hinge	TTTPAPRPPTPAPTIASQPLSLRPEACRPAAGGAVHTRGLD	603
	FACD
CD8a Hinge	TTTPAPRPPTPAPTIASQPLSLRPEACRPAAGGAVHTRGLD	604
	FACD
CD8a Hinge	TTTPAPRPPTPAPTIASQPLSLRPEACRPAAGGAVHTRGLD	605
	FACDEPKSPDKTHTCPPCPAPPVAGPSVFLFPPKPKDT
CD8a Hinge	PAKPTTTPAPRPPTPAPTIASQPLSLRPEACRPAAGGAVHT	606
	RGLDFACDIY
CD8a Hinge	TTTPAPRPPTPAPTIASQPLSLRPEACRPAAGGAVHTRGLD	607
	FACDIYIWAPLAGTCGVLLLSLVITLYC
CD8a Hinge	TTPAPRPPTPAPTIASQPLSLRPEACRPAAGGAVHTRGLDF	608
	ACD
CD8a Hinge	TTTPAPRPPTPAPTIASQPLSLRPEACRPAAGGAVHTRGLD	609
	FACDIY
Delta5 Hinge	LDKTHTCPPCP	610
EpoR Hinge	APVGLVARLADESGHVVLRWLPPPETPMTSHIRYEVDVS	611
	AGNGAGSVQRVEILEGRTECVLSNLRGRTRYTFAVRARM
	AEPSFGGFWSAWSEPVSLLTPSD
FCRIIαHinge	GLAVSTISSFFPPGYQ	612
FcγRIIIαHinge	GLAVSTISSFFPPGYQ	613
Hinge	RWPESPKAQASSVPTAQPQAEGSLAKATTAPATTRNTGR	614
	GGEEKKKEKEKEEQEERETKTPECPSHTQPLGVYLLTPAV
	QDLWLRDKATFTCFVVGSDLKDAHLTWEVAGKVPTGGV
	EEGLLERHSNGSQSQHSRLTLPRSLWNAGTSVTCTLNHPS
	LPPQRLMALREPAAQAPVKLSLNLLASSDPPEAASWLLCE
	VSGFSPPNILLMWLEDQREVNTSGFAPARPPPQPGSTTFW
	AWSVLRVPAPPSPQPATYTCVVSHEDSRTLLNASRSLEVS
	YVTDH
Hinge	YVTVSSQDPAEPKSPDKTHTCPPCPAPELLGGPSVFLFPPK	615
	PKDTLMISRTPEVTCVVVDVSHEDPEVKFNWYVDGVEVH
	NAKTKPREEQYNSTYRVVSVLTVLHQDWLNGKEYKCKV
	SNKALPAPIEKTISKAKGQPREPQVYTLPPSRDELTKNQVS
	LTCLVKGFYPSDIAVEWESNGQPENNYKTTPPVLDSDGSF
	FLYSKLTVDKSRWQQGNVFSCSVMHEALHNHYTQKSLSL
	SPGKKDPK
Hinge	KPTTTPAPRPPTPAPTIASQPLSLRPEACRPAAGGAVHTRG	616
	LDFA
Hinge	LEPKSCDKTHTCPPCP	617
Hinge	KPTTTPAPRPPTPAPTIASQPLSLRPEACRPAAGGAVHTRG	618
	LD
Hinge	EPKSCDKTHTCPPCP	619
Hinge	ELKTPLGDTHTCPRCP	620
Hinge	EPKSCDTPPPCPRCP	621
Hinge	ESKYGPPCPSCP	622
Hinge	ERKCCVECPPCP	623
Hinge	ELKTPLGDTHTCPRCP	1105
Hinge	EPKSCDTPPPCPRCP	1106
Hinge	ESKYGPPCPSCP	1107
Hinge(CH2-	ESKYGPPCPPCPAPEFLGGPSVFLFPPKPKDTLMISRTPEVT	624
CH3)	CVVVDVSQEDPEVQFNWYVDGVEVHNAKTKPREEQFNS
	TYRVVSVLTVLHQDWLNGKEYKCKVSNKGLPSSIEKTISK
	AKGQPREPQVYTLPPSQEEMTKNQVSLTCLVKGFYPSDIA
	VEWESNGQPENNYKTTPPVLDSDGSFFLYSRLTVDKSRW
	QEGNVFSCSVMHEALHNHYTQKSLSLSLGK
Hinge(CH3)	ESKYGPPCPPCPGQPREPQVYTLPPSQEEMTKNQVSLTCL	625
	VKGFYPSDIAVEWESNGQPENNYKTTPPVLDSDGSFFLYS
	RLTVDKSRWQEGNVFSCSVMHEALHNHYTQKSLSLSLGK
IgD Hinge	RWPESPKAQASSVPTAQPQAEGSLAKATTAPATTRNTGR	626
	GGEEKKKEKEKEEQEERETKTPECPSHTQPLGVYLLTPAV
	QDLWLRDKATFTCFVVGSDLKDAHLTWEVAGKVPTGGV
	EEGLLERHSNGSQSQHSRLTLPRSLWNAGTSVTCTLNHPS
	LPPQRLMALREPAAQAPVKLSLNLLASSDPPEAASWLLCE
	VSGFSPPNILLMWLEDQREVNTSGFAPARPPPQPGSTTFW
	AWSVLRVPAPPSPQPATYTCVVSHEDSRTLLNASRSLEVS
	YVTDH
IgD Hinge	RWPESPKAQASSVPTAQPQAEGSLAKATTAPATTRNTGR	627
	GGEEKKKEKEKEEQEERETKTPECPSHTQPLGVYLLTPAV
	QDLWLRDKATFTCFVVGSDLKDAHLTWEVAGKVPTGGV
	EEGLLERHSNGSQSQHSRLTLPRSLWNAGTSVTCTLHPSL
	PPQRLMALREPAAQAPVKLSLNLLASSDPPEAASWLLCEV
	SGFSPPNILLMWLEDQREVNTSGFAPARPPPQPGSTTFWA
	WSVLRVPAPPSPQPATYTCVVSHEDSRTLLNASRSLEVSY
	VTDH
IgD Hinge	RWPESPKAQASSVPTAQPQAEGSLAKATTAPATTRNTGR	628
	GGEEKKKEKEKEEQEERETKTPECPSHTQPLGVYLLTPAV
	QDLWLRDKATFTCFVVGSDLKDAHLTWEVAGKVPTGGV
	EEGLLERHSNGSQSQHSRLTLPRSLWNAGTSVTCTLNHPS
	LPPQRLMALREPAAQAPVKLSLNLLASSDPPEAASWLLCE
	VSGFSPPNILLMVVLEDQREVNTSGFAPARPPPQPGSTTFW
	AWSVLRVPAPPSPQPATYTCVVSHEDSRTLLNASRSLEVS
	YVTDH
IgD Hinge	ESPKAQASSVPTAQPQAEGSLAKATTAPATTRNTGRGGEE	629
	KKKEKEKEEQEERETKTP
IgD Hinge	RWPESPKAQASSVPTAQPQAEGSLAKATTAPATTRNTGR	630
	GGEEKKKEKEKEEQEERETKTPECPSHTQPLGVYLLTPAV
	QDLWLRDKATFTCFVVGSDLKDAHLTWEVAGKVPTGGV
	EEGLLERHSNGSQSQHSRLTLPRSLWNAGTSVTCTLNHPS
	LPPQRLMALREPAAQAPVKLSLNLLASSDPPEAASWLLCE
	VSGFSPPNILLMWLEDQREVNTSGFAPARPPPQPGSTTFW
	AWSVLRVPAPPSPQPATYTCVVSHEDSRTLLNASRSLEVS
	YVTDH
IgD Hinge	RWPESPKAQASSVPTAQPQAEGSLAKATTAPATTRNTGR	631
	GGEEKKKEKEKEEQEERETKTPECPSHTQPLGVYLLTPAV
	QDLWLRDKATFTCFVVGSDLKDAHLTWEVAGKVPTGGV
	EEGLLERHSNGSQSQHSRLTLPRSLWNAGTSVTCTLNHPS
	LPPQRLMALREPAAQAPVKLSLNLLASSDPPEAASWLLCE
	VSGFSPPNILLMWLEDQREVNTSGFAPARPPPQPGSTTFW
	AWSVLRVPAPPSPQPATYTCVVSHEDSRTLLNASRSLEVS
	YVTDH
IgD Hinge	RWPESPKAQASSVPTAQPQAEGSLAKATTAPATTRNTGR	632
	GGEEKKKEKEKEEQEERETKTPECPSHTQPLGVYLLTPAV
	QDLWLRDKATFTCFVVGSDLKDAHLTWEVAGKVPTGGV
	EEGLLERHSNGSQSQHSRLTLPRSLWNAGTSVTCTLNHPS
	LPPQRLMALREPAAQAPVKLSLNLLASSDPPEAASWLLCE
	VSGFSPPNILLMWLEDQREVNTSGFAPARPPPQPGSTTFW
	AWSVLRVPAPPSPQPATYTCVVSHEDSRTLLNASRSLEVS
	YVTDH
IgD Hinge	RWPESPKAQASSVPTAQPQAEGSLAKATTAPAT	1117
	TRNTGRGGEEKKKEKEKEEQEERETKTPECPSH
	TQPLGVYLLTPAVQDLWLRDKATFTCFVVGSD
	LKDAHLTWEVAGKVPTGGVEEGLLERHSNGSQ
	SQHSRLTLPRSLWNAGTSVTCTLNHPSLPPQRL
	MALREPAAQAPVKLSLNLLASSDPPEAASWLLC
	EVSGFSPPNILLMWLEDQREVNTSGFAPARPPQP
	GSTTFWAWSVLRVPAPPSPQPATYTCVVSHEDS
	RTLLNASRSLEVSYVTDH
IgD Hinge	RWPESPKAQASSVPTAQPQAEGSLAKATTAPATTRNTGR	633
	GGEEKKKEKEKEEQEERETKTPECPSHTQPLGVYLLTPAV
	QDLWLRDKATFTCFVVGSDLKDAHLTWEVAGKVPTGGV
	EEGLLERHSNGSQSQHSRLTLPRSLWNAGTSVTCTLNHPS
	LPPQRLMALREPAAQAPVKLSLNLLASSDPPEAASWLLCE
	VSGFSPPNILLMWLEDQREVNTSGFAPARPPPQPGSTTFW
	AWSVLRVPAPPSPQPATYTCVVSHEDSRTLLNASRSLEVS
	YVTDH
IgG1(CH2CH3)	AEPKSPDKTHTCPPCPAPPVAGPSVFLFPPKPKDTLMIART	2741
Hinge domain	PEVTCVVVDVSHEDPEVKFNWYVDGVEVHNAKTKPREE
	QYNSTYRVVSVUTVLHQDWLNGKEYKCKVSNKALPAPIE
	KTISKAKGQPREPQVYTLPPSRDELTKNQVSLTCLVKGFY
	PSDIAVEWESNGQPENNYKTTPPVLDSDGSFFLYSKLTVD
	KSRWQQGNVFSCSVMHEALHNHYTQKSLSLSPGKKD
IgG1(CH2CH3)	AEPKSPDKTHTCPPCPAPPVAGPSVFLFPPKPKDTLMIART	635
Hinge domain	PEVTCVVVDVSHEDPEVKFNWYVDGVEVHNAKTKPREE
	QYNSTYRVVSVLTVLHQDWLNGKEYKCKVSNKALPAPIE
	KTISKAKGQPREPQVYTLPPSRDELTKNQVSLTCLVKGFY
	PSDIAVEWESNGQPENNYKTTPPVLDSDGSFFLYSKLTVD
	KSRWQQGNVFSCSVMHEALHNHYTQKSLSLSPGKKD
IgG1 Hinge	AEPKSPDKTHTCPPCPKDPK	636
IgG1 Hinge	EPKSCDKTHTCPPCP	637
IgG1 Hinge	EPKSPDKTHTCPPCPAPPVAGPSVFLFPPKPKDTLMIARTP	638
	EVTCVVVDVSHEDPEVKFNWYVDGVEVHNAKTKPREEQ
	YNSTYRVVSVLTVLHQDWLNGKEVKCKVSNKALPAPIEK
	TISKAKGQPREPQVYTLPPSRDELTKNQVSLTCLVKGFYPS
	DIAVEWESNGQPENNYKTTPPVLDSDGSFFLVSKLTVDKS
	RWQQGNVFSCSVMHEALHNHYTQKSLSLSPGKKD
IgG1 Hinge	SVFLFPPKPKDTL	639
IgG1 Hinge	EPKSPDKTHTCPPCPAPPVAGPSVFLFPPKPKDTLMIARTP	640
	EVTCVVVDVSHEDPEVKFNWYVDGVEVHNAKTKPREEQ
	YNSTYRVVSVLTVLHQDWLNGKEYKCKVSNKALPAPIEK
	TISKAKGQPREPQVYTLPPSRDELTKNQVSLTCLVKGFYPS
	DIAVEWESNGQPENNYKTTPPVLDSDGSFFLYSKLTVDKS
	RWQQGNVFSCSVMHEALHNHYTQKSLSLSPGK
IgG1 Hinge	EPKSPDKTHTCPPCPAPPVAGPSVFLFPPKPKDTLMIARTP	641
	EVTCVVVDVSHEDPEVKFNWYVDGVEVHNAKTKPREEQ
	YNSTYRVVSVLTVLHQDWLNGKEYKCKVSNKALPAPIEK
	TISKAKGQPREPQVYTLPPSRDELTKNQVSLTCLVKGFYPS
	DIAVEWESNGQPENNYKTTPPVLDSDGSFFLYSKLTVDKS
	RWQQGNVFSCSVMHEALHNHYTQKSLSLSPGKKDPK
IgG1 Hinge	VECPPCPAPPVAGPSVFLFPPKPKDTLMISRRPEVTCVVVD	642
	VSHEDPEVKFNWYVDGVEVHNAKTKPREEQYNSTYRVV
	SVLTVLHQDWLNGKEYKCKVSNKGLPSSIEKTISKAKGQP
	REPQVYTLPPSREEMTKNQVSLTCLVKGFYPSDIAVEWES
	NGQPENNYKTTPPVLDSDGSFFLYSKLTVDKSRWQQGNV
	FSCSVMHEALHNHYTQKSLSLSPGK
IgG1 Hinge	DPAEPKSPDKTHTCPPCPAPPVAGPSVFLFPPKPKDTLMIA	643
(CH2CH3	RTPEVTCVVVDVSHEDPEVKFNWYVDGVEVHNAKTKPR
domain)	EEQYNSTYRVVSVLTVLHQDWLNGKEYKCKVSNKALPA
	PIEKTISKAKGQPREPQVYTLPPSRDELTKNQVSLTCLVKG
	FYPSDIAVEWESNGQPENNYKTTPPVLDSDGSFFLYSKLT
	VDKSRWQQGNVFSCSVMHEALHNHYTQKSLSLSPGKK
IgG2 Hinge	ERKCCVECPPCP	644
IgG3 Hinge	ELKTPLGDTTHTCPRCP	645
IgG3 Hinge	ELKTPLGDTHTCPRCPEPKSCDTPPPCPRCPEPKSCDTPPPC	646
	PRCPEPKSCDTPPPCPRCP
IgG4(CH2 and	ESKYGPPCPPCPAPEFLGGPSVFLFPPKPKDTLMISRTPEVT	647
CH3)	CVVVDVSQEDPEVQFNWYVDGVEVHNAKTKPREEQFNS
	TYRVVSVLTVLHQDWLNGKEYKCKVSNKGLPSSIEKTISK
	AKGQPREPQVYTLPPSQEEMTKNQVSLTCLVKGFYPSDIA
	VEWESNGQPENNYKTTPPVLDSDGSFFLYSRLTVDKSRW
	QEGNVFSCSVMHEALHNHYTQKSLSLSLGKM
IgG4(CH2 and	ESKYGPPCPPCPAPEFEGGPSVFLFPPKPKDTLMISRTPEVT	648
CH3)	CVVVDVSQEDPEVQFNWYVDGVEVHNAKTKPREEQFQS
	TYRVVSVLTVLHQDWLNGKEYKCKVSNKGLPSSIEKTISK
	AKGQPREPQVYTLPPSQEEMTKNQVSLTCLVKGFYPSDIA
	VEWESNGQPENNYKTTPPVLDSDGSFFLYSRLTVDKSRW
	QEGNVFSCSVMHEALHNHYTQKSLSLSLGKM
IgG4 Hinge	SPNMVPHAHHAQ	649
IgG4 Hinge	GQPREPQVYTLPPSQEEMTKNQVSLTCLVKGFYPSDIAVE	650
	WESNGQPENNYKTTPPVLDSDGSFFLYSRLTVDKSRWQE
	GNVFSCSVMHEALHNHYTQKSLSLSLGK
IgG4 Hinge	ESKYGPPCPPCPGGGSSGGGSGGQPREPQVYTLPPSQEEM	651
	TKNQVSLTCLVKGFYPSDIAVEWESNGQPENNYKTTPPVL
	DSDGSFFLYSRLTVDKSRWQEGNVFSCSVMHEALHNHYT
	QKSLSLSLGK
IgG4 Hinge	ESKYGPPCPSCPAPEFEGGPSVFLFPPKPKDTLMISRTPEVT	652
	CVVVDVSQEDPEVQFNWYVDGVEVHQAKTKPREEQFNS
	TYRVVSVLTVLHQDWLNGKEYKCKVSNKGLPSSIEKTISK
	AKGQPREPQVYTLPPSQEEMTKNQVSLTCLVKGFVPSDIA
	VEWESNGQPENNYKTTPPVLDSDGSFFLYSRLTVDKSRW
	QEGNVFSCSVMHEALHNHYTQKSLSLSLGK
IgG4 Hinge	ESKYGPPCPPCPAPEFEGGPSVFLFPPKPKDTLMISRTPEVT	653
	CVVVDVSQEDPEVQFNWYVDGVEVHQAKTKPREEQFNS
	TYRVVSVLTVLHQDWLNGKEYKCKVSNKGLPSSIEKTISK
	AKGQPREPQVYTLPPSQEEMTKNQVSLTCLVKGFVPSDIA
	VEWESNGQPENNYKTTPPVLDSDGSFFLYSRLTVDKSRW
	QEGNVFSCSVMHEALHNHYTQKSLSLSLGK
IgG4 Hinge	ESKYGPPCPPCPAPEFLGGPSVFLFPPKPKDTLMISRTPEVT	654
	CVVVDVSQEDPEVQFNWYVDGVEVHNAKTKPREEQFNS
	TYRVVSVLTVLHQDWLNGKEYKCKVSNKGLPSSIEKTISK
	AKGQPREPQVYTLPPSQEEMTKNQVSLTCLVKGFYPSDIA
	VEWESNGQPENNYKTTPPVLDSDGSFFLYSRLTVDKSRW
	QEGNVFSCSVMHEALHNHYTQKSLSLSLGKM
IgG4 Hinge	GAATCTAAGTACGGACCGCCCTGCCCCCCTTGCCCT	655
IgG4 Hinge	ESKYGPPCPPCP	656
IgG4 Hinge	ESKYGPPCPPCPGQPREPQVYTLPPSQEEMTKNQVSLTCL	657
	VKGFYPSDIAVEWESNGQPENNYKTTPPVLDSDGSFFLYS
	RLTVDKSRWQEGNVFSCSVMHEALHNHYTQKSLSLSLGK
IgG4 Hinge	ESKYGPPCPPCPAPEFLGGPSVFLFPPKPKDTLMISRTPEVT	658
	CVVVDVSQEDPEVQFNWYVDGVEVHNAKTKPREEQFNS
	TYRVVSVLTVLHQDWLNGKEYKCKVSNKGLPSSIEKTISK
	AKGQPREPQVYTLPPSQEEMTKNQVSLTCLVKGFYPSDIA
	VEWESNGQPENNYKTTPPVLDSDGSFFLYSRLTVDKSRW
	QEGNVFSCSVMHEALHNHYTQKSLSLSLGK
IgG4 Hinge	ESKYGPPCPPCPAPEFLGGPSVFLFPPKPKDTLMISRTPEVT	659
	CVVVDVSQEDPEVQFNWYVDGVEVHNAKTKPREEQFNS
	TYRVVSVLTVLHQDWLNGKEYKCKVSNKGLPSSIEKTISK
	AKGQPREPQVYTLPPSQEEMTKNQVSLTCLVKGFYPSDIA
	VEWESNGQPENNYKTTPPVLDSDGSFFLYSRLTVDKSRW
	QEGNVFSCSVMHEALHNHYTQKSLSLSLGK
IgG4 Hinge	ESKYGPPCPPCP	660
IgG4 Hinge	YGPPCPPCP	661
IgG4 Hinge	KYGPPCPPCP	662
IgG4 Hinge	EVVKYGPPCPPCP	663
IgG4 Hinge	ESKYGPPCPSCPAPEFLGGPSVFLFPPKPKDTLMISRTPEVT	664
	CVVVDVSQEDPEVQFNWYVDGVEVHNAKTKPREEQFNS
	TYRVVSVLTVLHQDWLNGKEYKCKVSNKGLPSSIEKTISK
	AKGQPREPQVYTLPPSQEEMTKNQVSLTCLVKGFYPSDIA
	VEWESNGQPENNYKTTPPVLDSDGSFFLYSRLTVDLSRW
	QEGNVFSCSVMHEALHNHYTQKSLSLSLGK
IgG4 Hinge and	ESKYGPPCPPCPGGGSSGGGSG	665
Linker
lgGl Hinge	EPKSPDKTHTCPPCPAPPVAGPSVFLFPPKPKDTLMIARTP	666
	EVTCVVVDVSHEDPEVKFNWYVDGVEVHNAKTKPREEQ
	YNSTYRVVSVLTVLHQDWLNGKEYKCKVSNKALPAPIEK
	TISKAKGQPREPQVYTLPPSRDELTKNQVSLTCLVKGFYPS
	DIAVEWESNGQPENNYKTIPPVLDSDGSFFLYSKLTVDKS
	RWQQGNVFSCSVMHEALHNHYTQKSLSLSPGK
IgGl Hinge	EPKSPDKTHTCPPCPAPPVAGPSVFLFPPKPKDTLMIARTP	667
	EVTCVVVDVSHEDPEVKFNWYVDGVEVHNAKTKPREEQ
	YNSTYRVVSVLTVLHQDWLNGKEYKCKVSNKALPAPIEK
	TISKAKGQPREPQVYTLPPSRDELTKNQVSLTCLVKGFYPS
	DIAVEWESNGQPENNYKTIPPVLDSDGSFFLYSKLTVDKS
	RWQQGNVFSCSVMHEALHNHYTQKSLSLSPGK
lgGl Hinge	EPKSPDKTHTCPPCPAPPVAGPSVFLFPPKPKDTLMIARTP	668
	EVTCVVVDVSHEDPEVKFNWYVDGVEVHNAKTKPREEQ
	YNSTYRVVSVLTVLHQDWLNGKEYKCKVSNKALPAPIEK
	TISKAKGQPREPQVYTLPPSRDELTKNQVSLTCLVKGFYPS
	DIAVEWESNGQPENNYKTTPPVLDSDGSFFLYSKLTVDKS
	RWQQGNVFSCSVMHEALHNHYTQKSLSLSPGK
CH2CH3 spacer	EPKSCDKTHTCPPCPAPELLGGPSVFLFPPKPKDTLMISRTP	1145
domain	EVTCVVVDVSHEDPEVKFNWYVDGVEVHNAKTKPREEQ
	YNSTYRVVSVLTVLHQDWLNGKEYKCKVSNKALPAPIEK
	TISKAKGQPREPQVYTLPPSRDELTKNQVSLTCLVKGFYPS
	DIAVEWESNGQPENNYKTTPPVLDSDGSFFLYSKLTVDKS
	RWQQGNVFSCSVMHEALHNHYTQKSLSLSPGKKDPK

TABLE 17 — Hinge and Transmembrane regions SEQ ID

Hinge Domain	Amino Acid Sequence	NO.
CD8a Transmembrane	TTPAPRPPTPAPTIASQPLSLRPEACRPAAGGAVHTRGLDF	1349
and Hinge	ACDIYIWAPLAGTCGVLLLSLVITLYC
CD8a Transmembrane	DIQMTQSSSYLSVSLGGRVTITCKASDHINNWLAWYQQK	1350
and Hinge	PGNAPRLLISGATSLETGVPSRFSGSGSGKDYTLSITSLQTE
	DVATYYCQQYWSTPFTFGSGTKLEIKGGGGSGGGGSGGG
	GSQVQLKESGPGLVAPSQSLSITSTVSGFSLSRYSVHWVR
	QPPGKGLEWLGMIWGGGSTDYNSALKSRLSISKDNSKSQ
	VFLKMNSLQTDDTAMYYCARNEGDTTAGTWFAYWGQG
	TLVTVSS
CD8a Transmembrane	ALSNSIMYFSHFVPVFLPAKPTTTPAPRPPTPAPTIASQPLS	1351
and Hinge	LRPEACRPAAGGAVHTRGLD
CD8a Transmembrane	TTTPAPRPPTPAPTIASQPLSLRPEACRPAAGGAVHTRGLD	1352
and Hinge	FACDIYIWAPLAGTCGVLLLSLVITLY
CD8a Transmembrane	KPTTTPAPRPPTPAPTIASQPLSLRPEACRPAAGGAVHTRG	1353
and Hinge	LDFACDIYIWAPLAGTCGVLLLSLVITLY

TABLE 18 — CAR sequences SEQ

Description	ID NO	Source
CD19 CAR	4864	SEQ ID NO: 12 in U.S. Pat. No.
		9,499,629B2
CD19 CAR	4865	SEQ ID NO: 24 in US20160333108A1
CD19 CAR	4866	SEQ ID NO: 25 in US20160333108A1
CD19 CAR	4867	SEQ ID NO: 26 in US20160333108A1
CD19 CAR	4868	SEQ ID NO: 27 in US20160333108A1
CD19 CAR	4869	SEQ ID NO: 1 in EP2997134A4
CD19 CAR	4870	SEQ ID NO: 19 in EP3071687A1
CD19 CAR	4871	SEQ ID NO: 20 in EP3071687A1
CD19 CAR	4872	SEQ ID NO: 181 in WO2016168773A3
CD19 CAR	4873	SEQ ID NO: 2 in WO2015157399A9
CD19 CAR	4874	SEQ ID NO: 56 in WO2016174409A1
CD19 CAR	4875	SEQ ID NO: 62 in WO2016174409A1
CD19 CAR	4876	SEQ ID NO: 145 in WO2016179319A1
CD19 CAR	4877	SEQ ID NO: 293 in US20160311907A1
CD19 CAR	4878	SEQ ID NO: 294 in US20160311907A1
CD19 CAR	4879	SEQ ID NO: 295 in US20160311907A1
CD19 CAR	4880	SEQ ID NO: 296 in US20160311907A1
CD19 CAR	4881	SEQ ID NO: 297 in US20160311907A1
CD19 CAR	4882	SEQ ID NO: 298 in US20160311907A1
CD19 CAR	4883	SEQ ID NO. 73 in WO2013176915A1
CD19 CAR	4884	SEQ ID NO. 73 in WO2013176916A1
CD19 CAR	4885	SEQ ID NO. 73 in US20130315884A1
CD19 CAR	4886	SEQ ID NO. 73 in US20140134142A1
CD19 CAR	4887	SEQ ID NO. 73 in US20150017136A1
CD19 CAR	4888	SEQ ID NO. 73 in US20150203817A1
CD19 CAR	4889	SEQ ID NO. 73 in US20160120905A1
CD19 CAR	4890	SEQ ID NO. 73 in US20160120906A1
CD19 CAR	4891	SEQ ID NO. 8 in WO2015124715
CD19 CAR	4892	SEQ ID NO. 5 in WO2015124715
CD19 CAR	4893	SEQ ID NO. 73 in WO2014184744
CD19 CAR	4894	SEQ ID NO. 73 in WO2014184741
CD19 CAR	4895	SEQ ID NO. 14 in US20160145337A1
CD19 CAR	4896	SEQ ID NO. 15 in US20160145337A1
CD19 CAR	4897	SEQ ID NO. 14 in WO2014184143
CD19 CAR	4898	SEQ ID NO. 15 in WO2014184143
CD19 CAR	4899	SEQ ID NO. 15 in WO2015075175
CD19 CAR	4900	SEQ ID NO. 16 in WO2015075175
CD19 CAR	4901	SEQ ID NO. 16 in US20160145337A1
CD19 CAR	4902	SEQ ID NO. 16 in WO2014184143
CD19 CAR	4903	SEQ ID NO 12 in WO2012079000
CD19 CAR	4904	SEQ ID NO. 31 in WO2016164580
CD19 CAR	4905	SEQ ID NO. 32 in WO2016164580
CD19 CAR	4906	SEQ ID NO. 33 in WO2016164580
CD19 CAR	4907	SEQ ID NO. 34 in WO2016164580
CD19 CAR	4908	SEQ ID NO. 35 in WO2016164580
CD19 CAR	4909	SEQ ID NO. 36 in WO2016164580
CD19 CAR	4910	SEQ ID NO. 37 in WO2016164580
CD19 CAR	4911	SEQ ID NO. 38 in WO2016164580
CD19 CAR	4912	SEQ ID NO. 39 in WO2016164580
CD19 CAR	4913	SEQ ID NO. 40 in WO2016164580
CD19 CAR	4914	SEQ ID NO. 41 in WO2016164580
CD19 CAR	4915	SEQ ID NO. 42 in WO2016164580
CD19 CAR	4916	SEQ ID NO. 58 in WO2016164580
CD19 CAR	4917	SEQ ID NO: 14 in US20160296563A1
CD19 CAR	4918	SEQ ID NO: 15 in US20160296563A1
CD19 CAR	4919	SEQ ID NO. 31 in WO2015157252
CD19 CAR	4920	SEQ ID NO. 32 in WO2015157252
CD19 CAR	4921	SEQ ID NO. 33 in WO2015157252
CD19 CAR	4922	SEQ ID NO. 34 in WO2015157252
CD19 CAR	4923	SEQ ID NO. 35 in WO2015157252
CD19 CAR	4924	SEQ ID NO. 36 in WO2015157252
CD19 CAR	4925	SEQ ID NO. 37 in WO2015157252
CD19 CAR	4926	SEQ ID NO. 38 in WO2015157252
CD19 CAR	4927	SEQ ID NO. 39 in WO2015157252
CD19 CAR	4928	SEQ ID NO. 40 in WO2015157252
CD19 CAR	4929	SEQ ID NO. 41 in WO2015157252
CD19 CAR	4930	SEQ ID NO. 42 in WO2015157252
CD19 CAR	4931	SEQ ID NO. 14 in WO2016139487
CD19 CAR	4932	SEQ ID NO. 15 in WO2016139487
CD19 CAR	4933	SEQ ID NO: 53 in US20160250258A1
CD19 CAR	4934	SEQ ID NO: 54 in US20160250258A1
CD19 CAR	4935	SEQ ID NO: 55 in US20160250258A1
CD19 CAR	4936	SEQ ID NO: 56 in US20160250258A1
CD19 CAR	4937	SEQ ID NO: 57 in US20160250258A1
CD19 CAR	4938	SEQ ID NO: 58 in US20160250258A1
CD19 CAR	4939	SEQ ID NO. 1 in WO2015187528
CD19 CAR	4940	SEQ ID NO. 2 in WO2015187528
CD19 CAR	4941	SEQ ID NO. 3 in WO2015187528
CD19 CAR	4942	SEQ ID NO. 4 in WO2015187528
CD19 CAR	4943	SEQ ID NO. 5 in WO2015187528
CD19 CAR	4944	SEQ ID NO. 6 in WO2015187528
CD19 CAR	4945	SEQ ID NO. 7 in WO2015187528
CD19 CAR	4946	SEQ ID NO. 8 in WO2015187528
CD19 CAR	4947	SEQ ID NO. 9 in WO2015187528
CD19 CAR	4948	SEQ ID NO. 10 in WO2015187528
CD19 CAR	4949	SEQ ID NO. 11 in WO2015187528
CD19 CAR	4950	SEQ ID NO. 12 in WO2015187528
CD19 CAR	4951	SEQ ID NO. 13 in WO2015187528
CD19 CAR	4952	SEQ ID. NO. 31 in WO2015157252
CD19 CAR	4953	SEQ ID. NO. 32 in WO2015157252
CD19 CAR	4954	SEQ ID. NO. 33 in WO2015157252
CD19 CAR	4955	SEQ ID. NO. 34 in WO2015157252
CD19 CAR	4956	SEQ ID. NO. 35 in WO2015157252
CD19 CAR	4957	SEQ ID. NO. 36 in WO2015157252
CD19 CAR	4958	SEQ ID. NO. 37 in WO2015157252
CD19 CAR	4959	SEQ ID. NO. 38 in WO2015157252
CD19 CAR	4960	SEQ ID. NO. 39 in WO2015157252
CD19 CAR	4961	SEQ ID. NO. 40 in WO2015157252
CD19 CAR	4962	SEQ ID. NO. 41 in WO2015157252
CD19 CAR	4963	SEQ ID. NO. 42 in WO2015157252
CD19 CAR	4964	SEQ ID. NO. 58 in WO2015157252
CD19 CAR	4965	SEQ ID NO. 31 in WO2014153270
CD19 CAR	4966	SEQ ID NO. 32 in WO2014153270
CD19 CAR	4967	SEQ ID NO. 33 in WO2014153270
CD19 CAR	4968	SEQ ID NO. 34 in WO2014153270
CD19 CAR	4969	SEQ ID NO. 35 in WO2014153270
CD19 CAR	4970	SEQ ID NO. 36 in WO2014153270
CD19 CAR	4971	SEQ ID NO. 37 in WO2014153270
CD19 CAR	4972	SEQ ID NO. 38 in WO2014153270
CD19 CAR	4973	SEQ ID NO. 39 in WO2014153270
CD19 CAR	4974	SEQ ID NO. 40 in WO2014153270
CD19 CAR	4975	SEQ ID NO. 41 in WO2014153270
CD19 CAR	4976	SEQ ID NO. 42 in WO2014153270
CD19 CAR (Third	4977	SEQ ID NO. 13 in WO2016139487
generation)

TABLE 19 — CAR sequences SEQ ID

Description	Source	Target	NO.
ALK CAR	SEQ ID NO. 37 in WO2015069922	ALK	4978
ALK CAR	SEQ ID NO. 39 in WO2015069922	ALK	4979
ALK CAR	SEQ ID NO. 41 in WO2015069922	ALK	4980
ALK CAR	SEQ ID NO. 43 in WO2015069922	ALK	4981
ALK CAR	SEQ ID NO. 44 in WO2015069922	ALK	4982
ALK CAR	SEQ ID NO. 45 in WO2015069922	ALK	4983
ALK CAR	SEQ ID NO. 46 in WO2015069922	ALK	4984
ALK CAR	SEQ ID NO. 47 in WO2015069922	ALK	4985
ALK CAR	SEQ ID NO. 48 in WO2015069922	ALK	4986
ALK CAR	SEQ ID NO. 49 in WO2015069922	ALK	4987
ALK CAR	SEQ ID NO. 50 in WO2015069922	ALK	4988
ALK CAR	SEQ ID NO. 51 in WO2015069922	ALK	4989
ALK CAR	SEQ ID NO. 52 in WO2015069922	ALK	4990
ALK CAR	SEQ ID NO. 53 in WO2015069922	ALK	4991
ALK CAR	SEQ ID NO. 54 in WO2015069922	ALK	4992
ALK CAR	SEQ ID NO. 55 in WO2015069922	ALK	4993
ALK CAR	SEQ ID NO. 56 in WO2015069922	ALK	4994
ALK CAR	SEQ ID NO. 57 in WO2015069922	ALK	4995
ALK CAR	SEQ ID NO. 58 in WO2015069922	ALK	4996
ALK CAR	SEQ ID NO. 59 in WO2015069922	ALK	4997
ALK CAR	SEQ ID NO. 60 in WO2015069922	ALK	4998
ALK CAR	SEQ ID NO. 61 in WO2015069922	ALK	4999
ALK CAR	SEQ ID NO. 62 in WO2015069922	ALK	5000
ALK CAR	SEQ ID NO. 63 in WO2015069922	ALK	5001
ALK CAR	SEQ ID NO. 64 in WO2015069922	ALK	5002
ALK CAR	SEQ ID NO. 65 in WO2015069922	ALK	5003
ALK CAR	SEQ ID NO. 66 in WO2015069922	ALK	5004
ALK CAR	SEQ ID NO. 67 in WO2015069922	ALK	5005
ALK CAR	SEQ ID NO. 68 in WO2015069922	ALK	5006
ALK CAR	SEQ ID NO. 69 in WO2015069922	ALK	5007
ALK CAR	SEQ ID NO. 70 in WO2015069922	ALK	5008
ALK CAR	SEQ ID NO. 71 in WO2015069922	ALK	5009
ALK CAR	SEQ ID NO. 72 in WO2015069922	ALK	5010
ALK CAR	SEQ ID NO. 73 in WO2015069922	ALK	5011
ALK CAR	SEQ ID NO. 74 in WO2015069922	ALK	5012
ALK CAR	SEQ ID NO. 75 in WO2015069922	ALK	5013
ALK CAR	SEQ ID NO. 76 in WO2015069922	ALK	5014
ALK CAR	SEQ ID NO. 77 in WO2015069922	ALK	5015
ALK CAR	SEQ ID NO. 78 in WO2015069922	ALK	5016
ALK CAR	SEQ ID NO. 79 in WO2015069922	ALK	5017
ALK CAR	SEQ ID NO. 80 in WO2015069922	ALK	5018
ALK CAR	SEQ ID NO. 81 in WO2015069922	ALK	5019
ALK CAR	SEQ ID NO. 82 in WO2015069922	ALK	5020
ALK CAR	SEQ ID NO. 83 in WO2015069922	ALK	5021
ALK CAR	SEQ ID NO. 84 in WO2015069922	ALK	5022
ALK CAR	SEQ ID NO. 85 in WO2015069922	ALK	5023
ALK CAR	SEQ ID NO. 86 in WO2015069922	ALK	5024
ALK CAR	SEQ ID NO. 87 in WO2015069922	ALK	5025
ALK CAR	SEQ ID NO. 88 in WO2015069922	ALK	5026
ALK CAR	SEQ ID NO. 89 in WO2015069922	ALK	5027
ALK CAR	SEQ ID NO. 90 in WO2015069922	ALK	5028
CD22 (m971) third generation	SEQ ID NO. 22 in WO2014065961	CD22	5029
CAR
CD22 (m971) third generation	SEQ ID NO. 23 in WO2014065961	CD22	5030
CAR
CD22 (m971) third generation	SEQ ID NO. 24 in WO2014065961	CD22	5031
CAR
CD22 (CARsHA22 28z) CAR	SEQ ID NO. 15 in WO2013059593	CD22	5032
CD22 (HA22 28BBz) CAR	SEQ ID NO. 16 in WO2013059593	CD22	5033
CD22 (HASH22 28z) CAR	SEQ ID NO. 17 in WO2013059593	CD22	5034
CD22 (HASH22 28BBz) CAR	SEQ ID NO. 18 in WO2013059593	CD22	5035
CD22 (BL22 28z) CAR	SEQ ID NO. 19 in WO2013059593	CD22	5036
CD22 (BL22 28BBz) CAR	SEQ ID NO. 20 in WO2013059593	CD22	5037
CD22 (HA22SH-CAR-second	SEQ ID NO. 32 in WO2013059593	CD22	5038
generation, version 2) CAR
CD276 CAR (CD276.6 second	SEQ ID NO. 39 in WO2014160627	CD276	5039
generation)
CD276 CAR (CD276.1 second	SEQ ID NO. 42 in WO2014160627	CD276	5040
generation, version 1)
CD276 CAR (CD276.17 second	SEQ ID NO. 45 in WO2014160627	CD276	5041
generation, version 1)
CD276 CAR (CD276.6 CAR	SEQ ID NO. 122 in WO2014160627	CD276	5042
second generation, version 1)
CD276 CAR (CD276.6 CAR	SEQ ID NO. 123 in WO2014160627	CD276	5043
second generation, version 2)
CD276 CAR (CD276.6 CAR	SEQ ID NO. 124 in WO2014160627	CD276	5044
third generation)
CD276 CAR (CD276.1 CAR	SEQ ID NO. 125 in WO2014160627	CD276	5045
second generation, version 1)
CD276 CAR (CD276.1 CAR	SEQ ID NO. 126 in WO2014160627	CD276	5046
second generation, version 2)
CD276 CAR (CD276.1 CAR	SEQ ID NO. 127 in WO2014160627	CD276	5047
third generation)
CD276 CAR (CD276.17 CAR	SEQ ID NO. 128 in WO2014160627	CD276	5048
second generation, version 1)
CD276 CAR (CD276.17 CAR	SEQ ID NO. 129 in WO2014160627	CD276	5049
second generation, version 2)
CD276 CAR (CD276.17 CAR	SEQ ID NO. 130 in WO2014160627	CD276	5050
third generation)
CD 276 CAR	SEQ ID NO. 20 in WO2017044699	CD276	5051
CD276.MG.BB.Z CAR	SEQ ID NO. 12 in WO2017044699	CD276	5052

TABLE 20 — Sequences of components of CD19 CARs

		Amino	Nucleic
		Acid SEQ	Acid SEQ
Description	Amino Acid Sequence	ID NO	ID NO
CD19 scFv	DIQMTQTTSSLSASLGDRVTISCRASQDISKYLNW	418	5053,
	YQQKPDGTVKLLIYHTSRLHSGVPSRFSGSGSGTD		5054-5058
	YSLTISNLEQEDIATYFCQQGNTLPYTFGGGTKLEI
	TGGGGSGGGGSGGGGSEVKLQESGPGLVAPSQSL
	SVTCTVSGVSLPDYGVSWIRQPPRKGLEWLGVIW
	GSETTYYNSALKSRLTIIKDNSKSQVFLKMNSLQT
	DDTAIYYCAKHYYYGGSYAMDYWGQGTSVTVS
	S
CD8α hinge--TM	TTTPAPRPPTPAPTIASQPLSLRPEACRPAAGGAVH	2746	5059,
	TRGLDFACDIYIWAPLAGTCGVLLLSLVITLYC		5060,
			5061-5063
CD8α hinge	TTTPAPRPPTPAPTIASQPLSLRPEACRPAAGGAVH	604	5064-5068
	TRGLDFACD
CD3 zeta signaling	RVKFSRSADAPAYKQGQNQLYNELNLGRREEYD	419	5069-5074
domain	VLDKRRGRDPEMGGKPRRKNPQEGLYNELQKDK
	MAEAYSEIGMKGERRRGKGHDGLYQGLSTATKD
	TYDALHMQALPPR
4-1BB (41BB)	KRGRKKLLYIFKQPFMRPVQTTQEEDGCSCRFPEE	426	5075-5080
intracellular signaling	EEGGCEL
domain
CD8a Transmembrane	IYIWAPLAGTCGVLLLSLVITLYC	562	5081-5082
domain
CD8α leader	MALPVTALLLPLALLLHAARP	2747	5083-5087
p40 signal sequence	MCHQQLVISWFSLVFLASPLVA	2748	5088-
			5096
p40	IWELKKDVYVVELDWYPDAPGEMVVLTCDTPEE	2749	5097-
	DGITWTLDQSSEVLGSGKTLTIQVKEFGDAGQYT		5109
	CHKGGEVLSHSLLLLHKKEDGIWSTDILKDQKEP
	KNKTFLRCEAKNYSGRFTCWWLTTISTDLTFSVK
	SSRGSSDPQGVTCGAATLSAERVRGDNKEYEYSV
	ECQEDSACPAAEESLPIEVMVDAVHKLKYENYTS
	SFFIRDIIKPDPPKNLQLKPLKNSRQVEVSWEYPDT
	WSTPHSYFSLTFCVQVQGKSKREKKDRVFTDKTS
	ATVICRKNASISVRAQDRYYSSSWSEWASVPCS
p35	RNLPVATPDPGMFPCLHHSQNLLRAVSNMLQKA	2750	5110-5120
	RQTLEFYPCTSEEIDHEDITKDKTSTVEACLPLELT
	KNESCLNSRETSFITNGSCLASRKTSFMMALCLSSI
	YEDLKMYQVEFKTMNAKLLMDPKRQIFLDQNML
	AVIDELMQALNFNSETVPQKSSLEEPDFYKTKIKL
	CILLHAFRIRAVTIDRVMSYLNAS
IL15	NWVNVISDLKKIEDLIQSMHIDATLYTESDVHPSC	2751	5121-5125
	KVTAMKCFLLELQVISLESGDASIHDTVENLIILAN
	NSLSSNGNVTESGCKECEELEEKNIKEFLQSFVHIV
	QMFINTS
IL15Ra	ITCPPPMSVEHADIWVKSYSLYSRERYICNSGFKR	2752	5126-5128
	KAGTSSLTECVLNKATNVAHWTTPSLKCIRDPAL
	VHQRPAPPSTVTTAGVTPQPESLSPSGKEPAASSPS
	SNNTAATTAAIVPGSQLMPSKSPSTGTTEISSHESS
	HGTPSQTTAKNWELTASASHQPPGVYPQGHSDTT
	VAISTSTVLLCGLSAVSLLACYLKSRQTPPLASVE
	MEAMEALPVTWGTSSRDEDLENCSHHL
mCherry (M1L)	LSKGEEDNMAIIKEFMRFKVHMEGSVNGHEFEIE	2753	5129
	GEGEGRPYEGTQTAKLKVTKGGPLPFAWDILSPQ
	FMYGSKAYVKHPADIPDYLKLSFPEGFKWERVM
	NFEDGGVVTVTQDSSLQDGEFIYKVKLRGTNFPS
	DGPVMQKKTMGWEASSERMYPEDGALKGEIKQR
	LKLKDGGHYDAEVKTTYKAKKPVQLPGAYNVNI
	KLDITSHNEDYTIVEQYERAEGRHSTGGMDELYK
IRES	—	—	5130
Linker (GGSGG)	GGSGG	2754	5131-5135
Linker (SG)	SG	—	AGTGGA
Linker ((G4S)3)	GGGGSGGGGSGGGGS	2755	5136-5141
Linker (GGSG)	GGSG	2756	5142
Linker	MLLLVTSLLLCELPHPAFLLIP	2757	5143
Linker (SG3-(SG4)3-	SGGGSGGGGSGGGGSGGGGSGGGSLQ	2758	5144-5150
SG3-SLQ)
Modified Furin	ESRRVRRNKRSK	2759	5151-5153
BamHI	—	—	GGATCC
Spacer	—	—	2760
HA Tag	YPYDVPDYA	3080	5154-5156
FKBP(F36V, L106P)	GVQVETISPGDGRTFPKRGQTCVVHYTGMLEDGK	1176	5157-5161
	KVDSSRDRNKPFKFMLGKQEVIRGWEEGVAQMS
	VGQRAKLTISPDYAYGATGHPGIIPPHATLVFDVE
	LLKPE
FKBP(E31G, F36V,	GVQVETISPGDGRTFPKRGQTCVVHYTGMLGDG	1177	5162-5167
R71G, K105E)	KKVDSSRDRNKPFKFMLGKQEVIRGWEEGVAQM
	SVGQGAKLTISPDYAYGATGHPGIIPPHATLVFDV
	ELLELE
ecDHFR (Amino acid 2-	ISLIAALAVDYVIGMENAMPWNLPADLAWFKRN	1174	5168-5173
159 of WT)(R12Y,	TLNKPVIMGRHTWESIGRPLPGRKNIILSSQPGTDD
Y100I)	RVTWVKSVDEAIAACGDVPEIMVIGGGRVIEQFLP
	KAQKLYLTHIDAEVEGDTHFPDYEPDDWESVFSE
	FHDADAQNSHSYCFEILERR
ecDHFR (Amino acid 2-	ISLIAALAVDHVIGMENAMPWNLPADLAWFKRN	1175	5174-5176
159 of WT)(R12H,	TLNKPVIMGRHTWESIGRPLPGRKNIILSSQPGTDD
E129K)	RVTWVKSVDEAIAACGDVPEIMVIGGGRVYEQFL
	PKAQKLYLTHIDAEVEGDTHFPDYKPDDWESVFS
	EFHDADAQNSHSYCFEILERR
hDHFR (Amino acid 2-	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYF	1257	5177-5178
187 of WT; Y122I)	QRMTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLK
	GRINLVLSRELKEPPQGAHFLSRSLDDALKLTEQP
	ELANKVDMVWIVGGSSVIKEAMNHPGHLKLFVT
	RIMQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQE
	EKGIKYKFEVYEKND
hDHFR (Amino acid 2-	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYF	1252	5179-5182
187 of WT; Y122I,	QRMTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLK
A125F)	GRINLVLSRELKEPPQGAHFLSRSLDDALKLTEQP
	ELANKVDMVWIVGGSSVIKEFMNHPGHLKLFVT
	RIMQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQE
	EKGIKYKFEVYEKND
hDHFR (Amino acid 2-	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYF	1259	5183-5184
187 of WT; Q36K,	KRMTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLK
Y122I)	GRINLVLSRELKEPPQGAHFLSRSLDDALKLTEQP
	ELANKVDMVWIVGGSSVIKEAMNHPGHLKLFVT
	RIMQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQE
	EKGIKYKFEVYEKND
hDHFR (Q36F, N65F,	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYF	1253	5185-5188
Y122I)	FRMTTTSSVEGKQNLVIMGKKTWFSIPEKFRPLKG
	RINLVLSRELKEPPQGAHFLSRSLDDALKLTEQPE
	LANKVDMVWIVGGSSVIKEAMNHPGHLKLFVTRI
	MQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEK
	GIKYKFEVYEKND

TABLE 21 — Sequences of CD19 CARs

		Amino	Nucleic
		Acid SEQ	Acid SEQ
Description	Amino Acid Sequence	ID NO	ID NO
OT-CD19 CAR-001 (OT-	MALPVTALLLPLALLLHAARPDIQMTQTTSSLSAS	669	5190
CD19c-001)(CD8a	LGDRVTISCRASQDISKYLNWYQQKPDGTVKLLI
leader -CD19 scFV-	YHTSRLHSGVPSRFSGSGSGTDYSLTISNLEQEDIA
CD8a-Tm -41BB -	TYFCQQGNTLPYTFGGGTKLEITGGGGSGGGGSG
CD3zeta - stop)	GGGSEVKLQESGPGLVAPSQSLSVTCTVSGVSLPD
	YGVSWIRQPPRKGLEWLGVIWGSETTYYNSALKS
	RLTIIKDNSKSQVFLKMNSLQTDDTAIYYCAKHY
	YYGGSYAMDYWGQGTSVTVSSTTTPAPRPPTPAP
	TIASQPLSLRPEACRPAAGGAVHTRGLDFACDIYI
	WAPLAGTCGVLLLSLVITLYCKRGRKKLLYIFKQP
	FMRPVQTTQEEDGCSCRFPEEEEGGCELRVKFSRS
	ADAPAYKQGQNQLYNELNLGRREEYDVLDKRRG
	RDPEMGGKPRRKNPQEGLYNELQKDKMAEAYSE
	IGMKGERRRGKGHDGLYQGLSTATKDTYDALHM
	QALPPR*
OT-CD19 CAR-002 (OT-	MALPVTALLLPLALLLHAARPDIQMTQTTSSLSAS	670	5191
CD19c-002)(CD8a	LGDRVTISCRASQDISKYLNWYQQKPDGTVKLLI
leader - CD19 scFV-	YHTSRLHSGVPSRFSGSGSGTDYSLTISNLEQEDIA
FKBP(F36V, L106P) -	TYFCQQGNTLPYTFGGGTKLEITGGGGSGGGGSG
CD8a-Tm - 41BB -	GGGSEVKLQESGPGLVAPSQSLSVTCTVSGVSLPD
CD3zeta - stop)	YGVSWIRQPPRKGLEWLGVIWGSETTYYNSALKS
	RLTIIKDNSKSQVFLKMNSLQTDDTAIYYCAKHY
	YYGGSYAMDYWGQGTSVTVSSGVQVETISPGDG
	RTFPKRGQTCVVHYTGMLEDGKKVDSSRDRNKP
	FKFMLGKQEVIRGWEEGVAQMSVGQRAKLTISPD
	YAYGATGHPGIIPPHATLVFDVELLKPETTTPAPRP
	PTPAPTIASQPLSLRPEACRPAAGGAVHTRGLDFA
	CDIYIWAPLAGTCGVLLLSLVITLYCKRGRKKLLY
	IFKQPFMRPVQTTQEEDGCSCRFPEEEEGGCELRV
	KFSRSADAPAYKQGQNQLYNELNLGRREEYDVL
	DKRRGRDPEMGGKPRRKNPQEGLYNELQKDKM
	AEAYSEIGMKGERRRGKGHDGLYQGLSTATKDT
	YDALHMQALPPR*
OT-CD19 CAR-003 (OT-	MALPVTALLLPLALLLHAARPDIQMTQTTSSLSAS	671	5192
CD19c-003)(CD8a	LGDRVTISCRASQDISKYLNWYQQKPDGTVKLLI
leader - CD19 scFV-	YHTSRLHSGVPSRFSGSGSGTDYSLTISNLEQEDIA
ecDHFR - CD8a-Tm -	TYFCQQGNTLPYTFGGGTKLEITGGGGSGGGGSG
41BB - CD3zeta - stop)	GGGSEVKLQESGPGLVAPSQSLSVTCTVSGVSLPD
	YGVSWIRQPPRKGLEWLGVIWGSETTYYNSALKS
	RLTIIKDNSKSQVFLKMNSLQTDDTAIYYCAKHY
	YYGGSYAMDYWGQGTSVTVSSISLIAALAVDYVI
	GMENAMPWNLPADLAWFKRNTLNKPVIMGRHT
	WESIGRPLPGRKNIILSSQPGTDDRVTWVKSVDEA
	IAACGDVPEIMVIGGGRVIEQFLPKAQKLYLTHID
	AEVEGDTHFPDYEPDDWESVFSEFHDADAQNSHS
	YCFEILERRTTTPAPRPPTPAPTIASQPLSLRPEACR
	PAAGGAVHTRGLDFACDIYIWAPLAGTCGVLLLS
	LVITLYCKRGRKKLLYIFKQPFMRPVQTTQEEDGC
	SCRFPEEEEGGCELRVKFSRSADAPAYKQGQNQL
	YNELNLGRREEYDVLDKRRGRDPEMGGKPRRKN
	PQEGLYNELQKDKMAEAYSEIGMKGERRRGKGH
	DGLYQGLSTATKDTYDALHMQALPPR*
OT-CD19 CAR-004 (OT-	MALPVTALLLPLALLLHAARPDIQMTQTTSSLSAS	672	5193
CD19c-004)(CD8a	LGDRVTISCRASQDISKYLNWYQQKPDGTVKLLI
leader - CD19 scFV-	YHTSRLHSGVPSRFSGSGSGTDYSLTISNLEQEDIA
CD8a Hinge - FKBP	TYFCQQGNTLPYTFGGGTKLEITGGGGSGGGGSG
(F36V, L106P) -CD8a	GGGSEVKLQESGPGLVAPSQSLSVTCTVSGVSLPD
Transmembrane domain-	YGVSWIRQPPRKGLEWLGVIWGSETTYYNSALKS
41BB - CD3zeta - stop)	RLTIIKDNSKSQVFLKMNSLQTDDTAIYYCAKHY
	YYGGSYAMDYWGQGTSVTVSSTTTPAPRPPTPAP
	TIASQPLSLRPEACRPAAGGAVHTRGLDFACDGV
	QVETISPGDGRTFPKRGQTCVVHYTGMLEDGKKV
	DSSRDRNKPFKFMLGKQEVIRGWEEGVAQMSVG
	QRAKLTISPDYAYGATGHPGIIPPHATLVFDVELL
	KPEIYIWAPLAGTCGVLLLSLVITLYCKRGRKKLL
	YIFKQPFMRPVQTTQEEDGCSCRFPEEEEGGCELR
	VKFSRSADAPAYKQGQNQLYNELNLGRREEYDV
	LDKRRGRDPEMGGKPRRKNPQEGLYNELQKDKM
	AEAYSEIGMKGERRRGKGHDGLYQGLSTATKDT
	YDALHMQALPPR*
OT-CD19 CAR-005 (OT-	MALPVTALLLPLALLLHAARPDIQMTQTTSSLSAS	673	5194
CD19c-005)(CD8a	LGDRVTISCRASQDISKYLNWYQQKPDGTVKLLI
leader - CD19 scFV-	YHTSRLHSGVPSRFSGSGSGTDYSLTISNLEQEDIA
CD8a Hinge - ecDHFR	TYFCQQGNTLPYTFGGGTKLEITGGGGSGGGGSG
(Amino acid 2-159 of	GGGSEVKLQESGPGLVAPSQSLSVTCTVSGVSLPD
WT)(R12Y, Y100I) -	YGVSWIRQPPRKGLEWLGVIWGSETTYYNSALKS
CD8a Transmembrane	RLTIIKDNSKSQVFLKMNSLQTDDTAIYYCAKHY
domain -41BB -CD3zeta -	YYGGSYAMDYWGQGTSVTVSSTTTPAPRPPTPAP
stop)	TIASQPLSLRPEACRPAAGGAVHTRGLDFACDISLI
	AALAVDYVIGMENAMPWNLPADLAWFKRNTLN
	KPVIMGRHTWESIGRPLPGRKNIILSSQPGTDDRV
	TWVKSVDEAIAACGDVPEIMVIGGGRVIEQFLPK
	AQKLYLTHIDAEVEGDTHFPDYEPDDWESVFSEF
	HDADAQNSHSYCFEILERRIYIWAPLAGTCGVLLL
	SLVITLYCKRGRKKLLYIFKQPFMRPVQTTQEEDG
	CSCRFPEEEEGGCELRVKFSRSADAPAYKQGQNQ
	LYNELNLGRREEYDVLDKRRGRDPEMGGKPRRK
	NPQEGLYNELQKDKMAEAYSEIGMKGERRRGKG
	HDGLYQGLSTATKDTYDALHMQALPPR*
OT-CD19c-006 (CD8a	MALPVTALLLPLALLLHAARPDIQMTQTTSSLSAS	674	5195
leader-CD19 scFV-	LGDRVTISCRASQDISKYLNWYQQKPDGTVKLLI
CD8a-Tm - 41BB -	YHTSRLHSGVPSRFSGSGSGTDYSLTISNLEQEDIA
CD3zeta -linker (GGSGG	TYFCQQGNTLPYTFGGGTKLEITGGGGSGGGGSG
(SEQ ID NO: 2729)) -	GGGSEVKLQESGPGLVAPSQSLSVTCTVSGVSLPD
ecDHFR (Amino acid 2-	YGVSWIRQPPRKGLEWLGVIWGSETTYYNSALKS
159 of WT)(R12H,	RLTIIKDNSKSQVFLKMNSLQTDDTAIYYCAKHY
E129K) - stop)	YYGGSYAMDYWGQGTSVTVSSTTTPAPRPPTPAP
	TIASQPLSLRPEACRPAAGGAVHTRGLDFACDIYI
	WAPLAGTCGVLLLSLVITLYCKRGRKKLLYIFKQP
	FMRPVQTTQEEDGCSCRFPEEEEGGCELRVKFSRS
	ADAPAYKQGQNQLYNELNLGRREEYDVLDKRRG
	RDPEMGGKPRRKNPQEGLYNELQKDKMAEAYSE
	IGMKGERRRGKGHDGLYQGLSTATKDTYDALHM
	QALPPRGGSGGISLIAALAVDHVIGMENAMPWNL
	PADLAWFKRNTLNKPVIMGRHTWESIGRPLPGRK
	NIILSSQPGTDDRVTWVKSVDEAIAACGDVPEIMV
	IGGGRVYEQFLPKAQKLYLTHIDAEVEGDTHFPD
	YKPDDWESVFSEFHDADAQNSHSYCFEILERR*
OT-CD19c-007 (CD8a	MALPVTALLLPLALLLHAARPDIQMTQTTSSLSAS	675	5196
leader - CD19 scFV-	LGDRVTISCRASQDISKYLNWYQQKPDGTVKLLI
CD8a-Tm - 41BB -	YHTSRLHSGVPSRFSGSGSGTDYSLTISNLEQEDIA
CD3zeta - linker	TYFCQQGNTLPYTFGGGTKLEITGGGGSGGGGSG
(GGSGG(SEQ ID NO:	GGGSEVKLQESGPGLVAPSQSLSVTCTVSGVSLPD
2729)) -FKBP (E31G,	YGVSWIRQPPRKGLEWLGVIWGSETTYYNSALKS
F36V, R71G, K105E) -	RLTIIKDNSKSQVFLKMNSLQTDDTAIYYCAKHY
stop)	YYGGSYAMDYWGQGTSVTVSSTTTPAPRPPTPAP
	TIASQPLSLRPEACRPAAGGAVHTRGLDFACDIYI
	WAPLAGTCGVLLLSLVITLYCKRGRKKLLYIFKQP
	FMRPVQTTQEEDGCSCRFPEEEEGGCELRVKFSRS
	ADAPAYKQGQNQLYNELNLGRREEYDVLDKRRG
	RDPEMGGKPRRKNPQEGLYNELQKDKMAEAYSE
	IGMKGERRRGKGHDGLYQGLSTATKDTYDALHM
	QALPPRGGSGGGVQVETISPGDGRTFPKRGQTCV
	VHYTGMLGDGKKVDSSRDRNKPFKFMLGKQEVI
	RGWEEGVAQMSVGQGAKLTISPDYAYGATGHPG
	IIPPHATLVFDVELLELE*
OT-CD19c-008 (CD8a	MALPVTALLLPLALLLHAARPDIQMTQTTSSLSAS	676	5197
leader - CD19 scFV-	LGDRVTISCRASQDISKYLNWYQQKPDGTVKLLI
CD8a-Tm -41BB -	YHTSRLHSGVPSRFSGSGSGTDYSLTISNLEQEDIA
CD3zeta - linker	TYFCQQGNTLPYTFGGGTKLEITGGGGSGGGGSG
(GGSGG(SEQ ID NO:	GGGSEVKLQESGPGLVAPSQSLSVTCTVSGVSLPD
2729)) - hDHFR (Amino	YGVSWIRQPPRKGLEWLGVIWGSETTYYNSALKS
acid 2-187 of WT; Y122I) -	RLTIIKDNSKSQVFLKMNSLQTDDTAIYYCAKHY
stop)	YYGGSYAMDYWGQGTSVTVSSTTTPAPRPPTPAP
	TIASQPLSLRPEACRPAAGGAVHTRGLDFACDIYI
	WAPLAGTCGVLLLSLVITLYCKRGRKKLLYIFKQP
	FMRPVQTTQEEDGCSCRFPEEEEGGCELRVKFSRS
	ADAPAYKQGQNQLYNELNLGRREEYDVLDKRRG
	RDPEMGGKPRRKNPQEGLYNELQKDKMAEAYSE
	IGMKGERRRGKGHDGLYQGLSTATKDTYDALHM
	QALPPRGGSGGVGSLNCIVAVSQNMGIGKNGDLP
	WPPLRNEFRYFQRMTTTSSVEGKQNLVIMGKKT
	WFSIPEKNRPLKGRINLVLSRELKEPPQGAHFLSRS
	LDDALKLTEQPELANKVDMVWIVGGSSVIKEAM
	NHPGHLKLFVTRIMQDFESDTFFPEIDLEKYKLLP
	EYPGVLSDVQEEKGIKYKFEVYEKND*
OT-CD19c-009 (CD8a	MALPVTALLLPLALLLHAARPDIQMTQTTSSLSAS	677	5198
leader - CD19 scFV-	LGDRVTISCRASQDISKYLNWYQQKPDGTVKLLI
CD8a-Tm - 41BB -	YHTSRLHSGVPSRFSGSGSGTDYSLTISNLEQEDIA
CD3zeta -linker (GGSGG	TYFCQQGNTLPYTFGGGTKLEITGGGGSGGGGSG
(SEQ ID NO: 2729)) -	GGGSEVKLQESGPGLVAPSQSLSVTCTVSGVSLPD
hDHFR (Amino acid 2-	YGVSWIRQPPRKGLEWLGVIWGSETTYYNSALKS
187 of WT; Y122I,	RLTIIKDNSKSQVFLKMNSLQTDDTAIYYCAKHY
A125F) - stop)	YYGGSYAMDYWGQGTSVTVSSTTTPAPRPPTPAP
	TIASQPLSLRPEACRPAAGGAVHTRGLDFACDIYI
	WAPLAGTCGVLLLSLVITLYCKRGRKKLLYIFKQP
	FMRPVQTTQEEDGCSCRFPEEEEGGCELRVKFSRS
	ADAPAYKQGQNQLYNELNLGRREEYDVLDKRRG
	RDPEMGGKPRRKNPQEGLYNELQKDKMAEAYSE
	IGMKGERRRGKGHDGLYQGLSTATKDTYDALHM
	QALPPRGGSGGVGSLNCIVAVSQNMGIGKNGDLP
	WPPLRNEFRYFQRMTTTSSVEGKQNLVIMGKKT
	WFSIPEKNRPLKGRINLVLSRELKEPPQGAHFLSRS
	LDDALKLTEQPELANKVDMVWIVGGSSVIKEFM
	NHPGHLKLFVTRIMQDFESDTFFPEIDLEKYKLLP
	EYPGVLSDVQEEKGIKYKFEVYEKND*
OT-CD19c-010 (CD8a	MALPVTALLLPLALLLHAARPDIQMTQTTSSLSAS	678	5199
leader - CD19 scFV-	LGDRVTISCRASQDISKYLNWYQQKPDGTVKLLI
CD8a-Tm - 41BB -	YHTSRLHSGVPSRFSGSGSGTDYSLTISNLEQEDIA
CD3zeta - linker	TYFCQQGNTLPYTFGGGTKLEITGGGGSGGGGSG
(GGSGG(SEQ ID NO:	GGGSEVKLQESGPGLVAPSQSLSVTCTVSGVSLPD
2729)) -hDHFR (Amino	YGVSWIRQPPRKGLEWLGVIWGSETTYYNSALKS
acid 2-187 of WT; Q36K,	RLTIIKDNSKSQVFLKMNSLQTDDTAIYYCAKHY
Y122I) - stop)	YYGGSYAMDYWGQGTSVTVSSTTTPAPRPPTPAP
	TIASQPLSLRPEACRPAAGGAVHTRGLDFACDIYI
	WAPLAGTCGVLLLSLVITLYCKRGRKKLLYIFKQP
	FMRPVQTTQEEDGCSCRFPEEEEGGCELRVKFSRS
	ADAPAYKQGQNQLYNELNLGRREEYDVLDKRRG
	RDPEMGGKPRRKNPQEGLYNELQKDKMAEAYSE
	IGMKGERRRGKGHDGLYQGLSTATKDTYDALHM
	QALPPRGGSGGVGSLNCIVAVSQNMGIGKNGDLP
	WPPLRNEFRYFKRMTTTSSVEGKQNLVIMGKKT
	WFSIPEKNRPLKGRINLVLSRELKEPPQGAHFLSRS
	LDDALKLTEQPELANKVDMVWIVGGSSVIKEAM
	NHPGHLKLFVTRIMQDFESDTFFPEIDLEKYKLLP
	EYPGVLSDVQEEKGIKYKFEVYEKND*
OT-CD19c-011 (CD8a	MALPVTALLLPLALLLHAARPDIQMTQTTSSLSAS	679	5200
leader -CD19 scFV-	LGDRVTISCRASQDISKYLNWYQQKPDGTVKLLI
CD8a-Tm - 41BB -	YHTSRLHSGVPSRFSGSGSGTDYSLTISNLEQEDIA
CD3zeta -linker (GGSGG	TYFCQQGNTLPYTFGGGTKLEITGGGGSGGGGSG
(SEQ ID NO: 2729)) -	GGGSEVKLQESGPGLVAPSQSLSVTCTVSGVSLPD
hDHFR (Amino acid 2-	YGVSWIRQPPRKGLEWLGVIWGSETTYYNSALKS
187 of WT; Q36K, N65F,	RLTIIKDNSKSQVFLKMNSLQTDDTAIYYCAKHY
Y122I) -stop)	YYGGSYAMDYWGQGTSVTVSSTTTPAPRPPTPAP
	TIASQPLSLRPEACRPAAGGAVHTRGLDFACDIYI
	WAPLAGTCGVLLLSLVITLYCKRGRKKLLYIFKQP
	FMRPVQTTQEEDGCSCRFPEEEEGGCELRVKFSRS
	ADAPAYKQGQNQLYNELNLGRREEYDVLDKRRG
	RDPEMGGKPRRKNPQEGLYNELQKDKMAEAYSE
	IGMKGERRRGKGHDGLYQGLSTATKDTYDALHM
	QALPPRGGSGGVGSLNCIVAVSQNMGIGKNGDLP
	WPPLRNEFRYFFRMTTTSSVEGKQNLVIMGKKTW
	FSIPEKFRPLKGRINLVLSRELKEPPQGAHFLSRSL
	DDALKLTEQPELANKVDMVWIVGGSSVIKEAMN
	HPGHLKLFVTRIMQDFESDTFFPEIDLEKYKLLPE
	YPGVLSDVQEEKGIKYKFEVYEKND*
OT-CD19n-012 (CD8a	MALPVTALLLPLALLLHAARPSGGVQVETISPGD	680	5201
leader - Linker (SG)-	GRTFPKRGQTCVVHYTGMLEDGKKVDSSRDRNK
FKBP(F36V, L106P) -	PFKFMLGKQEVIRGWEEGVAQMSVGQRAKLTISP
Furin Site -CD19 scFV-	DYAYGATGHPGIIPPHATLVFDVELLKPEESRRVR
CD8a-Tm - 41BB -	RNKRSKDIQMTQTTSSLSASLGDRVTISCRASQDIS
CD3zeta - stop)	KYLNWYQQKPDGTVKLLIYHTSRLHSGVPSRFSG
	SGSGTDYSLTISNLEQEDIATYFCQQGNTLPYTFG
	GGTKLEITGGGGSGGGGSGGGGSEVKLQESGPGL
	VAPSQSLSVTCTVSGVSLPDYGVSWIRQPPRKGLE
	WLGVIWGSETTYYNSALKSRLTIIKDNSKSQVFLK
	MNSLQTDDTAIYYCAKHYYYGGSYAMDYWGQG
	TSVTVSSTTTPAPRPPTPAPTIASQPLSLRPEACRPA
	AGGAVHTRGLDFACDIYIWAPLAGTCGVLLLSLV
	ITLYCKRGRKKLLYIFKQPFMRPVQTTQEEDGCSC
	RFPEEEEGGCELRVKFSRSADAPAYKQGQNQLYN
	ELNLGRREEYDVLDKRRGRDPEMGGKPRRKNPQ
	EGLYNELQKDKMAEAYSEIGMKGERRRGKGHDG
	LYQGLSTATKDTYDALHMQALPPR*
OT-CD19n-013 (CD8a	MALPVTALLLPLALLLHAARPSGISLIAALAVDYV	681	5202
leader - Linker (SG)-	IGMENAMPWNLPADLAWFKRNTLNKPVIMGRHT
ecDHFR (Amino acid 2-	WESIGRPLPGRKNIILSSQPGTDDRVTWVKSVDEA
159 of WT)(R12Y,	IAACGDVPEIMVIGGGRVIEQFLPKAQKLYLTHID
Y100I) - Furin Site -	AEVEGDTHFPDYEPDDWESVFSEFHDADAQNSHS
CD19 scFV-CD8a-Tm -	YCFEILERRESRRVRRNKRSKDIQMTQTTSSLSAS
41BB - CD3zeta - stop)	LGDRVTISCRASQDISKYLNWYQQKPDGTVKLLI
	YHTSRLHSGVPSRFSGSGSGTDYSLTISNLEQEDIA
	TYFCQQGNTLPYTFGGGTKLEITGGGGSGGGGSG
	GGGSEVKLQESGPGLVAPSQSLSVTCTVSGVSLPD
	YGVSWIRQPPRKGLEWLGVIWGSETTYYNSALKS
	RLTIIKDNSKSQVFLKMNSLQTDDTAIYYCAKHY
	YYGGSYAMDYWGQGTSVTVSSTTTPAPRPPTPAP
	TIASQPLSLRPEACRPAAGGAVHTRGLDFACDIYI
	WAPLAGTCGVLLLSLVITLYCKRGRKKLLYIFKQP
	FMRPVQTTQEEDGCSCRFPEEEEGGCELRVKFSRS
	ADAPAYKQGQNQLYNELNLGRREEYDVLDKRRG
	RDPEMGGKPRRKNPQEGLYNELQKDKMAEAYSE
	IGMKGERRRGKGHDGLYQGLSTATKDTYDALHM
	QALPPR*
OT-CD19n-014 (CD8a	MALPVTALLLPLALLLHAARPSGVGSLNCIVAVS	682	5203
leader - Linker (SG)-	QNMGIGKNGDLPWPPLRNEFRYFQRMTTTSSVEG
hDHFR (Amino acid 2-	KQNLVIMGKKTWFSIPEKNRPLKGRINLVLSRELK
187 of WT; Y1221,	EPPQGAHFLSRSLDDALKLTEQPELANKVDMVWI
A125F) - Furin Site -	VGGSSVIKEFMNHPGHLKLFVTRIMQDFESDTFFP
CD19 scFV- CD8a-Tm -	EIDLEKYKLLPEYPGVLSDVQEEKGIKYKFEVYEK
41BB -CD3zeta - stop)	NDESRRVRRNKRSKDIQMTQTTSSLSASLGDRVTI
	SCRASQDISKYLNWYQQKPDGTVKLLIYHTSRLH
	SGVPSRFSGSGSGTDYSLTISNLEQEDIATYFCQQG
	NTLPYTFGGGTKLEITGGGGSGGGGSGGGGSEVK
	LQESGPGLVAPSQSLSVTCTVSGVSLPDYGVSWIR
	QPPRKGLEWLGVIWGSETTYYNSALKSRLTIIKDN
	SKSQVFLKMNSLQTDDTAIYYCAKHYYYGGSYA
	MDYWGQGTSVTVSSTTTPAPRPPTPAPTIASQPLS
	LRPEACRPAAGGAVHTRGLDFACDIYIWAPLAGT
	CGVLLLSLVITLYCKRGRKKLLYIFKQPFMRPVQT
	TQEEDGCSCRFPEEEEGGCELRVKFSRSADAPAY
	KQGQNQLYNELNLGRREEYDVLDKRRGRDPEMG
	GKPRRKNPQEGLYNELQKDKMAEAYSEIGMKGE
	RRRGKGHDGLYQGLSTATKDTYDALHMQALPPR
	*
OT-CD19n-015 (CD8a	MALPVTALLLPLALLLHAARPSGVGSLNCIVAVS	683	5204
leader - Linker (SG)-	QNMGIGKNGDLPWPPLRNEFRYFKRMTTTSSVEG
hDHFR (Amino acid 2-	KQNLVIMGKKTWFSIPEKNRPLKGRINLVLSRELK
187 of WT; Q36K,	EPPQGAHFLSRSLDDALKLTEQPELANKVDMVWI
Y122I) -Furin Site -	VGGSSVIKEAMNHPGHLKLFVTRIMQDFESDTFFP
CD19 scFV- CD8a-Tm -	EIDLEKYKLLPEYPGVLSDVQEEKGIKYKFEVYEK
41BB - CD3zeta -stop)	NDESRRVRRNKRSKDIQMTQTTSSLSASLGDRVTI
	SCRASQDISKYLNWYQQKPDGTVKLLIYHTSRLH
	SGVPSRFSGSGSGTDYSLTISNLEQEDIATYFCQQG
	NTLPYTFGGGTKLEITGGGGSGGGGSGGGGSEVK
	LQESGPGLVAPSQSLSVTCTVSGVSLPDYGVSWIR
	QPPRKGLEWLGVIWGSETTYYNSALKSRLTIIKDN
	SKSQVFLKMNSLQTDDTAIYYCAKHYYYGGSYA
	MDYWGQGTSVTVSSTTTPAPRPPTPAPTIASQPLS
	LRPEACRPAAGGAVHTRGLDFACDIYIWAPLAGT
	CGVLLLSLVITLYCKRGRKKLLYIFKQPFMRPVQT
	TQEEDGCSCRFPEEEEGGCELRVKFSRSADAPAY
	KQGQNQLYNELNLGRREEYDVLDKRRGRDPEMG
	GKPRRKNPQEGLYNELQKDKMAEAYSEIGMKGE
	RRRGKGHDGLYQGLSTATKDTYDALHMQALPPR
	*
OT-CD19-056 (CD8a	MALPVTALLLPLALLLHAARPDIQMTQTTSSLSAS	684	5205
leader - CD19 scFV-	LGDRVTISCRASQDISKYLNWYQQKPDGTVKLLI
CD8a-Tm - 41BB -	YHTSRLHSGVPSRFSGSGSGTDYSLTISNLEQEDIA
CD3zeta - linker	TYFCQQGNTLPYTFGGGTKLEITGGGGSGGGGSG
(GGSGG(SEQ ID NO:	GGGSEVKLQESGPGLVAPSQSLSVTCTVSGVSLPD
2729)) - hDHFR (Amino	YGVSWIRQPPRKGLEWLGVIWGSETTYYNSALKS
acid 2-187 of WT; Y122I) -	RLTIIKDNSKSQVFLKMNSLQTDDTAIYYCAKHY
stop)	YYGGSYAMDYWGQGTSVTVSSTTTPAPRPPTPAP
	TIASQPLSLRPEACRPAAGGAVHTRGLDFACDIYI
	WAPLAGTCGVLLLSLVITLYCKRGRKKLLYIFKQP
	FMRPVQTTQEEDGCSCRFPEEEEGGCELRVKFSRS
	ADAPAYKQGQNQLYNELNLGRREEYDVLDKRRG
	RDPEMGGKPRRKNPQEGLYNELQKDKMAEAYSE
	IGMKGERRRGKGHDGLYQGLSTATKDTYDALHM
	QALPPRGGSGGVGSLNCIVAVSQNMGIGKNGDLP
	WPPLRNEFRYFQRMTTTSSVEGKQNLVIMGKKT
	WFSIPEKNRPLKGRINLVLSRELKEPPQGAHFLSRS
	LDDALKLTEQPELANKVDMVWIVGGSSVIKEAM
	NHPGHLKLFVTRIMQDFESDTFFPEIDLEKYKLLP
	EYPGVLSDVQEEKGIKYKFEVYEKND*
OT-CD19-057 (CD8a	MALPVTALLLPLALLLHAARPDIQMTQTTSSLSAS	685	5206
leader -CD19 scFV-	LGDRVTISCRASQDISKYLNWYQQKPDGTVKLLI
CD8a-Tm - 41BB -	YHTSRLHSGVPSRFSGSGSGTDYSLTISNLEQEDIA
CD3zeta - BamHI(GS)-	TYFCQQGNTLPYTFGGGTKLEITGGGGSGGGGSG
stop)	GGGSEVKLQESGPGLVAPSQSLSVTCTVSGVSLPD
	YGVSWIRQPPRKGLEWLGVIWGSETTYYNSALKS
	RLTIIKDNSKSQVFLKMNSLQTDDTAIYYCAKHY
	YYGGSYAMDYWGQGTSVTVSSTTTPAPRPPTPAP
	TIASQPLSLRPEACRPAAGGAVHTRGLDFACDIYI
	WAPLAGTCGVLLLSLVITLYCKRGRKKLLYIFKQP
	FMRPVQTTQEEDGCSCRFPEEEEGGCELRVKFSRS
	ADAPAYKQGQNQLYNELNLGRREEYDVLDKRRG
	RDPEMGGKPRRKNPQEGLYNELQKDKMAEAYSE
	IGMKGERRRGKGHDGLYQGLSTATKDTYDALHM
	QALPPRGS*
OT-CD19-058 (CD8a	MALPVTALLLPLALLLHAARPDIQMTQTTSSLSAS	686	5207
leader -CD19 scFV-	LGDRVTISCRASQDISKYLNWYQQKPDGTVKLLI
CD8a-Tm - 41BB -	YHTSRLHSGVPSRFSGSGSGTDYSLTISNLEQEDIA
CD3zeta - p2A - BamHI	TYFCQQGNTLPYTFGGGTKLEITGGGGSGGGGSG
(GS)- stop)	GGGSEVKLQESGPGLVAPSQSLSVTCTVSGVSLPD
	YGVSWIRQPPRKGLEWLGVIWGSETTYYNSALKS
	RLTIIKDNSKSQVFLKMNSLQTDDTAIYYCAKHY
	YYGGSYAMDYWGQGTSVTVSSTTTPAPRPPTPAP
	TIASQPLSLRPEACRPAAGGAVHTRGLDFACDIYI
	WAPLAGTCGVLLLSLVITLYCKRGRKKLLYIFKQP
	FMRPVQTTQEEDGCSCRFPEEEEGGCELRVKFSRS
	ADAPAYKQGQNQLYNELNLGRREEYDVLDKRRG
	RDPEMGGKPRRKNPQEGLYNELQKDKMAEAYSE
	IGMKGERRRGKGHDGLYQGLSTATKDTYDALHM
	QALPPRGATNFSLLKQAGDVEENPGPGS*
OT-CD19-059 (CD8a	MALPVTALLLPLALLLHAARPYPYDVPDYADIQM	687	5208
leader - HA Tag - CD19	TQTTSSLSASLGDRVTISCRASQDISKYLNWYQQK
scFV- CD8a-Tm - 41BB -	PDGTVKLLIYHTSRLHSGVPSRFSGSGSGTDYSLTI
CD3zeta - BamHI(GS)-	SNLEQEDIATYFCQQGNTLPYTFGGGTKLEITGGG
stop)	GSGGGGSGGGGSEVKLQESGPGLVAPSQSLSVTC
	TVSGVSLPDYGVSWIRQPPRKGLEWLGVIWGSET
	TYYNSALKSRLTIIKDNSKSQVFLKMNSLQTDDTA
	IYYCAKHYYYGGSYAMDYWGQGTSVTVSSTTTP
	APRPPTPAPTIASQPLSLRPEACRPAAGGAVHTRG
	LDFACDIYIWAPLAGTCGVLLLSLVITLYCKRGRK
	KLLYIFKQPFMRPVQTTQEEDGCSCRFPEEEEGGC
	ELRVKFSRSADAPAYKQGQNQLYNELNLGRREE
	YDVLDKRRGRDPEMGGKPRRKNPQEGLYNELQK
	DKMAEAYSEIGMKGERRRGKGHDGLYQGLSTAT
	KDTYDALHMQALPPRGS*
OT-CD19-060 (CD8a	MALPVTALLLPLALLLHAARPDIQMTQTTSSLSAS	688	5209
leader - CD19 scFV-	LGDRVTISCRASQDISKYLNWYQQKPDGTVKLLI
CD8a-Tm- 41BB -	YHTSRLHSGVPSRFSGSGSGTDYSLTISNLEQEDIA
CD3zeta - Linker (SG)-	TYFCQQGNTLPYTFGGGTKLEITGGGGSGGGGSG
Furin - BamHI(GS)-	GGGSEVKLQESGPGLVAPSQSLSVTCTVSGVSLPD
stop)	YGVSWIRQPPRKGLEWLGVIWGSETTYYNSALKS
	RLTIIKDNSKSQVFLKMNSLQTDDTAIYYCAKHY
	YYGGSYAMDYWGQGTSVTVSSTTTPAPRPPTPAP
	TIASQPLSLRPEACRPAAGGAVHTRGLDFACDIYI
	WAPLAGTCGVLLLSLVITLYCKRGRKKLLYIFKQP
	FMRPVQTTQEEDGCSCRFPEEEEGGCELRVKFSRS
	ADAPAYKQGQNQLYNELNLGRREEYDVLDKRRG
	RDPEMGGKPRRKNPQEGLYNELQKDKMAEAYSE
	IGMKGERRRGKGHDGLYQGLSTATKDTYDALHM
	QALPPRSGESRRVRRNKRSKGS*
OT-CD19-063 (CD8a	MALPVTALLLPLALLLHAARPDIQMTQTTSSLSAS	689	5210
leader - CD19 scFV-	LGDRVTISCRASQDISKYLNWYQQKPDGTVKLLI
CD8a-Tm - 41BB -	YHTSRLHSGVPSRFSGSGSGTDYSLTISNLEQEDIA
CD3zeta - stop)	TYFCQQGNTLPYTFGGGTKLEITGGGGSGGGGSG
	GGGSEVKLQESGPGLVAPSQSLSVTCTVSGVSLPD
	YGVSWIRQPPRKGLEWLGVIWGSETTYYNSALKS
	RLTIIKDNSKSQVFLKMNSLQTDDTAIYYCAKHY
	YYGGSYAMDYWGQGTSVTVSSTTTPAPRPPTPAP
	TIASQPLSLRPEACRPAAGGAVHTRGLDFACDIYI
	WAPLAGTCGVLLLSLVITLYCKRGRKKLLYIFKQP
	FMRPVQTTQEEDGCSCRFPEEEEGGCELRVKFSRS
	ADAPAYKQGQNQLYNELNLGRREEYDVLDKRRG
	RDPEMGGKPRRKNPQEGLYNELQKDKMAEAYSE
	IGMKGERRRGKGHDGLYQGLSTATKDTYDALHM
	QALPPR*
OT-CD19-064 (CD8a	MALPVTALLLPLALLLHAARPDIQMTQTTSSLSAS	694-710	5211
leader - CD19 scFV-	LGDRVTISCRASQDISKYLNWYQQKPDGTVKLLI
CD8a-Tm - 41BB -	YHTSRLHSGVPSRFSGSGSGTDYSLTISNLEQEDIA
CD3zeta - Linker (TR)-	TYFCQQGNTLPYTFGGGTKLEITGGGGSGGGGSG
HA Tag - FKBP (E31G,	GGGSEVKLQESGPGLVAPSQSLSVTCTVSGVSLPD
F36V, R71G, K105E) -	YGVSWIRQPPRKGLEWLGVIWGSETTYYNSALKS
stop-IRES- mCherry)	RLTIIKDNSKSQVFLKMNSLQTDDTAIYYCAKHY
	YYGGSYAMDYWGQGTSVTVSSTTTPAPRPPTPAP
	TIASQPLSLRPEACRPAAGGAVHTRGLDFACDIYI
	WAPLAGTCGVLLLSLVITLYCKRGRKKLLYIFKQP
	FMRPVQTTQEEDGCSCRFPEEEEGGCELRVKFSRS
	ADAPAYKQGQNQLYNELNLGRREEYDVLDKRRG
	RDPEMGGKPRRKNPQEGLYNELQKDKMAEAYSE
	IGMKGERRRGKGHDGLYQGLSTATKDTYDALHM
	QALPPRTRYPYDVPDYAGVQVETISPGDGRTFPK
	RGQTCVVHYTGMLGDGKKVDSSRDRNKPFKFML
	GKQEVIRGWEEGVAQMSVGQGAKLTISPDYAYG
	ATGHPGIIPPHATLVFDVELLELEMHRSAAAATI
	PPPPPLSLPPP*RYWPKPLGIRPVCVCLYVIFHHIAV
	FWQCEGPETWPCLLDEHS*GSFPSRQRNARSVEC
	REGSSSSGSFLKTNNVCSDPLQAAEPPTWRQVPLR
	PKATCIRYTCKGGTTPVPRCELDSCGKSQMALLK
	RIQQGAEGCPEGTPLYGI*SGASVHMLYMCLVEV
	KKTSRPPEPRGRGFPLKNTMIIWPQP**ARARRIT
	WPSSRSSCASRCTWRAP*TATSSRSRARARAAPTR
	APRPPSRPRVAPCPSPGTSCPLSSCTAPRPT*STP
	PTSPTTSCPSPRASSGSATSRTAAWP*PRTPPC
	RTASSSTRSCAAPTSPPTAPCRRRPWAGRPPPSG
	CTPRTAPRARSSRGS*RTAATTTLRSRPPTRPRS
	PCSCPAPTTSTSSWTSPPTTRTTPSWNSTNAPRAA
	TPPAAWTSCTS*
OT-CD19-066 (CD8a	MALPVTALLLPLALLLHAARPDIQMTQTTSSLSAS	690	5212
leader - CD19 scFV-	LGDRVTISCRASQDISKYLNWYQQKPDGTVKLLI
CD8a-Tm - 41BB -	YHTSRLHSGVPSRFSGSGSGTDYSLTISNLEQEDIA
CD3zeta - Linker (GS)-	TYFCQQGNTLPYTFGGGTKLEITGGGGSGGGGSG
P2A peptide -mCherry	GGGSEVKLQESGPGLVAPSQSLSVTCTVSGVSLPD
(M1L) - stop)	YGVSWIRQPPRKGLEWLGVIWGSETTYYNSALKS
	RLTIIKDNSKSQVFLKMNSLQTDDTAIYYCAKHY
	YYGGSYAMDYWGQGTSVTVSSTTTPAPRPPTPAP
	TIASQPLSLRPEACRPAAGGAVHTRGLDFACDIYI
	WAPLAGTCGVLLLSLVITLYCKRGRKKLLYIFKQP
	FMRPVQTTQEEDGCSCRFPEEEEGGCELRVKFSRS
	ADAPAYKQGQNQLYNELNLGRREEYDVLDKRRG
	RDPEMGGKPRRKNPQEGLYNELQKDKMAEAYSE
	IGMKGERRRGKGHDGLYQGLSTATKDTYDALHM
	QALPPRGSGATNFSLLKQAGDVEENPGPLSKGEE
	DNMAIIKEFMRFKVHMEGSVNGHEFEIEGEGEGR
	PYEGTQTAKLKVTKGGPLPFAWDILSPQFMYGSK
	AYVKHPADIPDYLKLSFPEGFKWERVMNFEDGG
	VVTVTQDSSLQDGEFIYKVKLRGTNFPSDGPVMQ
	KKTMGWEASSERMYPEDGALKGEIKQRLKLKDG
	GHYDAEVKTTYKAKKPVQLPGAYNVNIKLDITSH
	NEDYTIVEQYERAEGRHSTGGMDELYK*
OT-CAR19-IL15-001	MALPVTALLLPLALLLHAARPDIQMTQTTSSLSAS	691	5213
(CD8a leader - CD19	LGDRVTISCRASQDISKYLNWYQQKPDGTVKLLI
scFV-CD8a-Tm - 41BB -	YHTSRLHSGVPSRFSGSGSGTDYSLTISNLEQEDIA
CD3zeta - Linker (GS)-	TYFCQQGNTLPYTFGGGTKLEITGGGGSGGGGSG
P2A - IL15 -Linker (SG3-	GGGSEVKLQESGPGLVAPSQSLSVTCTVSGVSLPD
(SG4)3-SG3 -SLQ (SEQ	YGVSWIRQPPRKGLEWLGVIWGSETTYYNSALKS
ID NO: 2730)) - IL15Ra -	RLTIIKDNSKSQVFLKMNSLQTDDTAIYYCAKHY
stop)	YYGGSYAMDYWGQGTSVTVSSTTTPAPRPPTPAP
	TIASQPLSLRPEACRPAAGGAVHTRGLDFACDIYI
	WAPLAGTCGVLLLSLVITLYCKRGRKKLLYIFKQP
	FMRPVQTTQEEDGCSCRFPEEEEGGCELRVKFSRS
	ADAPAYKQGQNQLYNELNLGRREEYDVLDKRRG
	RDPEMGGKPRRKNPQEGLYNELQKDKMAEAYSE
	IGMKGERRRGKGHDGLYQGLSTATKDTYDALHM
	QALPPRGSGATNFSLLKQAGDVEENPGPNWVNVI
	SDLKKIEDLIQSMHIDATLYTESDVHPSCKVTAMK
	CFLLELQVISLESGDASIHDTVENLIILANNSLSSNG
	NVTESGCKECEELEEKNIKEFLQSFVHIVQMFINTS
	SGGGSGGGGSGGGGSGGGGSGGGSLQITCPPPMS
	VEHADIWVKSYSLYSRERYICNSGFKRKAGTSSLT
	ECVLNKATNVAHWTTPSLKCIRDPALVHQRPAPP
	STVTTAGVTPQPESLSPSGKEPAASSPSSNNTAATT
	AAIVPGSQLMPSKSPSTGTTEISSHESSHGTPSQTT
	AKNWELTASASHQPPGVYPQGHSDTTVAISTSTV
	LLCGLSAVSLLACYLKSRQTPPLASVEMEAMEAL
	PVTWGTSSRDEDLENCSHHL*
OT-CAR19-IL15-002	MALPVTALLLPLALLLHAARPDIQMTQTTSSLSAS	692	5214
(CD8a leader -CD19	LGDRVTISCRASQDISKYLNWYQQKPDGTVKLLI
scFV-CD8a-Tm -41BB -	YHTSRLHSGVPSRFSGSGSGTDYSLTISNLEQEDIA
CD3zeta - Linker (GS)-	TYFCQQGNTLPYTFGGGTKLEITGGGGSGGGGSG
P2A - Linker	GGGSEVKLQESGPGLVAPSQSLSVTCTVSGVSLPD
(MLLLVTSLLLCELPHP	YGVSWIRQPPRKGLEWLGVIWGSETTYYNSALKS
AFLLIP)(SEQ ID NO:	RLTIIKDNSKSQVFLKMNSLQTDDTAIYYCAKHY
2743) - IL15 - Linker	YYGGSYAMDYWGQGTSVTVSSTTTPAPRPPTPAP
(SG3-(SG4)3-SG3-SLQ	TIASQPLSLRPEACRPAAGGAVHTRGLDFACDIYI
(SEQ ID NO: 2730)) -	WAPLAGTCGVLLLSLVITLYCKRGRKKLLYIFKQP
IL15Ra - stop)	FMRPVQTTQEEDGCSCRFPEEEEGGCELRVKFSRS
	ADAPAYKQGQNQLYNELNLGRREEYDVLDKRRG
	RDPEMGGKPRRKNPQEGLYNELQKDKMAEAYSE
	IGMKGERRRGKGHDGLYQGLSTATKDTYDALHM
	QALPPRGSGATNFSLLKQAGDVEENPGPMLLLVT
	SLLLCELPHPAFLLIPNWVNVISDLKKIEDLIQSMH
	IDATLYTESDVHPSCKVTAMKCFLLELQVISLESG
	DASIHDTVENLIILANNSLSSNGNVTESGCKECEEL
	EEKNIKEFLQSFVHIVQMFINTSSGGGSGGGGSGG
	GGSGGGGSGGGSLQITCPPPMSVEHADIWVKSYS
	LYSRERYICNSGFKRKAGTSSLTECVLNKATNVA
	HWTTPSLKCIRDPALVHQRPAPPSTVTTAGVTPQP
	ESLSPSGKEPAASSPSSNNTAATTAAIVPGSQLMPS
	KSPSTGTTEISSHESSHGTPSQTTAKNWELTASAS
	HQPPGVYPQGHSDTTVAISTSTVLLCGLSAVSLLA
	CYLKSRQTPPLASVEMEAMEALPVTWGTSSRDED
	LENCSHHL*
OT-CD19-IL15-006	MALPVTALLLPLALLLHAARPDIQMTQTTSSLSAS	693	5215
(CD8a leader -CD19	LGDRVTISCRASQDISKYLNWYQQKPDGTVKLLI
scFV- CD8a-Tm - 41BB -	YHTSRLHSGVPSRFSGSGSGTDYSLTISNLEQEDIA
CD3zeta - Linker (GS)-	TYFCQQGNTLPYTFGGGTKLEITGGGGSGGGGSG
P2A - IgE Leader - IL15 -	GGGSEVKLQESGPGLVAPSQSLSVTCTVSGVSLPD
Linker (SG3 -(SG4)3-	YGVSWIRQPPRKGLEWLGVIWGSETTYYNSALKS
SG3-SLQ (SEQ ID NO:	RLTIIKDNSKSQVFLKMNSLQTDDTAIYYCAKHY
2730)) - IL15Ra - stop)	YYGGSYAMDYWGQGTSVTVSSTTTPAPRPPTPAP
	TIASQPLSLRPEACRPAAGGAVHTRGLDFACDIYI
	WAPLAGTCGVLLLSLVITLYCKRGRKKLLYIFKQP
	FMRPVQTTQEEDGCSCRFPEEEEGGCELRVKFSRS
	ADAPAYKQGQNQLYNELNLGRREEYDVLDKRRG
	RDPEMGGKPRRKNPQEGLYNELQKDKMAEAYSE
	IGMKGERRRGKGHDGLYQGLSTATKDTYDALHM
	QALPPRGSGATNFSLLKQAGDVEENPGPMDWTW
	ILFLVAAATRVHSNWVNVISDLKKIEDLIQSMHID
	ATLYTESDVHPSCKVTAMKCFLLELQVISLESGDA
	SIHDTVENLIILANNSLSSNGNVTESGCKECEELEE
	KNIKEFLQSFVHIVQMFINTSSGGGSGGGGSGGGG
	SGGGGSGGGSLQITCPPPMSVEHADIWVKSYSLYS
	RERYICNSGFKRKAGTSSLTECVLNKATNVAHWT
	TPSLKCIRDPALVHQRPAPPSTVTTAGVTPQPESLS
	PSGKEPAASSPSSNNTAATTAAIVPGSQLMPSKSPS
	TGTTEISSHESSHGTPSQTTAKNWELTASASHQPP
	GVYPQGHSDTTVAISTSTVLLCGLSAVSLLACYLK
	SRQTPPLASVEMEAMEALPVTWGTSSRDEDLENC
	SHHL*

TABLE 21 — DD-Her2 construct sequences Nucleic

		Amino	Acid SEQ
		Acid SEQ	ID NO/
Description	Amino Acid Sequence	ID NO	Sequence
GMCSF Leader	LLLVTSLLLCELPHPAFLLIP	2762	5216
Linker	ASFE	2763	5217
Linker	GS	—	GGTTCC
			GGATCC
Linker	TS	—	ACTAGT
Linker	HM	—	ATGCAC
4-1BB	KRGRKKLLYIFKQPFMRPVQTTQEEDGCSCRFPEEEEGG	2764	5218
Intracellular	CEL
Domain
4D5 scFV	DIQMTQSPSSLSASVGDRVTITCRASQDVNTAVAWYQQ	5219
	KPGKAPKLLIYSASFLYSGVPSRFSGSRSGTDFTLTISSLQ	2765
	PEDFATYYCQQHYTTPPTFGQGTKVEIKGSTSGSGKPGS
	GEGSGEVQLVESGGGLVQPGGSLRLSCAASGFNIKDTYI
	HWVRQAPGKGLEWVARIYPTNGYTRYADSVKGRFTISA
	DTSKNTAYLQMNSLRAEDTAVYYCSRWGGDGFYAMD
	VWGQGTLVTVSS
CD8a Hinge	TTTPAPRPPTPAPTIASQPLSLRPEACRPAAGGAVHTRGL	2767	5220
	DFACD
Transmembrane	IYIWAPLAGTCGVLLLSLVITLYC	2768	5221
Domain
CD3 Zeta	RVKFSRSADAPAYKQGQNQLYNELNLGRREEYDVLDK	2769	5222
signaling Domain	RRGRDPEMGGKPRRKNPQEGLYNELQKDKMAEAYSEI
	GMKGERRRGKGHDGLYQGLSTATKDTYDALHMQALPP
	R
hDHFR (Amino	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMT	2770	5223-5226
acid 2-187 of WT;	TTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSR
Y122I)	ELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVWIV
	GGSSVIKEAMNHPGHLKLFVTRIMQDFESDTFFPEIDLEK
	YKLLPEYPGVLSDVQEEKGIKYKFEVYEKND
OT-Her2-004	MLLLVTSLLLCELPHPAFLLIPDIQMTQSPSSLSASVGDR	1171	5227
(Met - GMCSF	VTITCRASQDVNTAVAWYQQKPGKAPKLLIYSASFLYS
Leader - 4D5	GVPSRFSGSRSGTDFTLTISSLQPEDFATYYCQQHYTTPP
scFv - Linker	TFGQGTKVEIKGSTSGSGKPGSGEGSGEVQLVESGGGLV
(ASFE (SEQ ID	QPGGSLRLSCAASGFNIKDTYIHWVRQAPGKGLEWVAR
NO: 3092))-	IYPTNGYTRYADSVKGRFTISADTSKNTAYLQMNSLRAE
CD8a hinge-	DTAVYYCSRWGGDGFYAMDVWGQGTLVTVSSASFETT
Linker (GS)-	TPAPRPPTPAPTIASQPLSLRPEACRPAAGGAVHTRGLDF
Transmembrane	ACDGSIYIWAPLAGTCGVLLLSLVITLYCTSKRGRKKLL
Domain - Linker	YIFKQPFMRPVQTTQEEDGCSCRFPEEEEGGCELHMRVK
(TS) - 4-1BB	FSRSADAPAYKQGQNQLYNELNLGRREEYDVLDKRRG
intracellular	RDPEMGGKPRRKNPQEGLYNELQKDKMAEAYSEIGMK
signaling domain -	GERRRGKGHDGLYQGLSTATKDTYDALHMQALPPRGS
Linker (HM) -	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMT
CD3 zeta - Linker	TTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSR
(GS) - hDHFR	ELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVWIV
(Amino acid 2-	GGSSVIKEAMNHPGHLKLFVTRIMQDFESDTFFPEIDLEK
187 of WT;	YKLLPEYPGVLSDVQEEKGIKYKFEVYEKND*
Y122I)- stop)

TABLE 23 — DD-IL2 construct sequences Nucleic

		Amino	Acid SEQ
		Acid SEQ	ID NO/
Description	Amino Acid Sequence	ID NO	Sequence
IL2 signal	MYRMQLLSCIALSLALVTNS	2776	5256-5257
sequence
Linker	EFSTEF	2777	5260
Linker	MH	—	ATGCAC
IL2	APTSSSTKKTQLQLEHLLLDLQMILNGINNYKNPKLTRM	743	5261-5262
	LTFKFYMPKKATELKHLQCLEEELKPLEEVLNLAQSKNF
	HLRPRDLISNINVIVLELKGSETTFMCEYADETATIVEFL
	NRWITFCQSIISTLT
FKBP (F36V,	GVQVETISPGDGRTFPKRGQTCVVHYTGMLEDGKKVDS	2778	5263-5268
L106P)	SRDRNKPFKFMLGKQEVIRGWEEGVAQMSVGQRAKLTI
	SPDYAYGATGHPGIIPPHATLVFDVELLKPE
ecDHFR (Amino	ISLIAALAVDYVIGMENAMPWNLPADLAWFKRNTLNKP	2774	5238-5244
acid 2-159 of	VIMGRHTWESIGRPLPGRKNIILSSQPGTDDRVTWVKSV
WT)(R12Y,	DEAIAACGDVPEIMVIGGGRVIEQFLPKAQKLYLTHIDA
Y100I)	EVEGDTHFPDYEPDDWESVFSEFHDADAQNSHSYCFEIL
	ERR
OT-IL2-001 (IL2	MYRMQLLSCIALSLALVTNSEFSTEFGVQVETISPGDGR	1146	5269
Signal Sequence -	TFPKRGQTCVVHYTGMLEDGKKVDSSRDRNKPFKFML
Linker (EFSTEF	GKQEVIRGWEEGVAQMSVGQRAKLTISPDYAYGATGH
(SEQ ID NO:	PGIIPPHATLVFDVELLKPEMHAPTSSSTKKTQLQLEHLL
3086))- FKBP	LDLQMILNGINNYKNPKLTRMLTFKFYMPKKATELKHL
(F36V, L106P) -	QCLEEELKPLEEVLNLAQSKNFHLRPRDLISNINVIVLEL
Linker (MH) -	KGSETTFMCEYADETATIVEFLNRWITFCQSIISTLT
IL2- stop)
OT-IL2-002 (IL2	MYRMQLLSCIALSLALVTNSAPTSSSTKKTQLQLEHLLL	1147	5270
Signal Sequence -	DLQMILNGINNYKNPKLTRMLTFKFYMPKKATELKHLQ
IL2- stop)	CLEEELKPLEEVLNLAQSKNFHLRPRDLISNINVIVLELK
	GSETTFMCEYADETATIVEFLNRWITFCQSIISTLT
OT-IL2-003 (IL2	MYRMQLLSCIALSLALVTNSEFSTEFISLIAALAVDYVIG	1148	5271
Signal Sequence -	MENAMPWNLPADLAWFKRNTLNKPVIMGRHTWESIGR
Linker (EFSTEF	PLPGRKNIILSSQPGTDDRVTWVKSVDEAIAACGDVPEI
(SEQ ID NO:	MVIGGGRVIEQFLPKAQKLYLTHIDAEVEGDTHFPDYEP
3086))- ecDHFR	DDWESVFSEFHDADAQNSHSYCFEILERRMHAPTSSSTK
(Amino acid 2-	KTQLQLEHLLLDLQMILNGINNYKNPKLTRMLTFKFYM
159 of WT)	PKKATELKHLQCLEEELKPLEEVLNLAQSKNFHLRPRDL
(R12Y, Y100I) -	ISNINVIVLELKGSETTFMCEYADETATIVEFLNRWITFC
Linker (MH) -	QSIISTLT
IL2- stop)

TABLE 24 — DD-IL12 constructs Amino

			acid	Nucleic
			SEQ ID	Acid SEQ
Description	Promoter	Amino acid Sequence	NO	ID NO
p40 signal	—	MCHQQLVISWFSLVFLASPLVA	2748	5277-5285
sequence
Linker	—	GGSGG	2754	5286-5287
Linker	—	GGGGSGGGGSGGGGS	2755	5288-5293
Linker		GS	—	GGATCC
Spacer		ATNFSLLKQAGDVEENPGP	2779	5294
Furin cleavage	—	SARNRQKRS	2780	5295
site
Furin cleavage	—	ARNRQKRS	2781	5296
site
Modified Furin	—	ESRRVRRNKRSK	2759	5297-
5299
P2A Cleavable	—	GATNFSLLKQAGDVEENPGP	2782	5300
Peptide
p40	—	IWELKKDVYVVELDWYPDAPGEMVVLTCD	2749	5301-5313
		TPEEDGITWTLDQSSEVLGSGKTLTIQVKEF
		GDAGQYTCHKGGEVLSHSLLLLHKKEDGI
		WSTDILKDQKEPKNKTFLRCEAKNYSGRFT
		CWWLTTISTDLTFSVKSSRGSSDPQGVTCG
		AATLSAERVRGDNKEYEYSVECQEDACP
		AAEESLPIEVMVDAVHKLKYENYTSSFFIRD
		IIKPDPPKNLQLKPLKNSRQVEVSWEYPDT
		WSTPHSYFSLTFCVQVQGKSKREKKDRVFT
		DKTSATVICRKNASISVRAQDRYYSSSWSE
		WASVPCS
p40 (K217N)	-	IWELKKDVYVVELDWYPDAPGEMVVLTCD	2783	5314
		TPEEDGITWTLDQSSEVLGSGKTLTIQVKEF
		GDAGQYTCHKGGEVLSHSLLLLHKKEDGI
		WSTDILKDQKEPKNKTFLRCEAKNYSGRFT
		CWWLTTISTDLTFSVKSSRGSSDPQGVTCG
		AATLSAERVRGDNKEYEYSVECQEDSACP
		AAEESLPIEVMVDAVHKLKYENYTSSFFIRD
		IIKPDPPNNLQLKPLKNSRQVEVSWEYPDT
		WSTPHSYFSLTFCVQVQGKSKREKKDRVFT
		DKTSATVICRKNASISVRAQDRYYSSSWSE
		WASVPCS
p35	—	RNLPVATPDPGMFPCLHHSQNLLRAVSNM	2750	5315-5325
		LQKARQTLEFYPCTSEEIDHEDITKDKTSTV
		EACLPLELTKNESCLNSRETSFITNGSCLASR
		KTSFMMALCLSSIYEDLKMYQVEFKTMNA
		KLLMDPKRQIFLDQNMLAVIDELMQALNF
		NSETVPQKSSLEEPDFYKTKIKLCILLHAFRI
		RAVTIDRVMSYLNAS
p35	—	RNLPVATPDPGMFPCLHHSQNLLRAVSNML	735	5327-5336
		QKARQTLEFYPCTSEEIDHEDITKDKTSTVE
		ACLPLELTKNESCLNSRETSFITNGSCLASRK
		TSFMMALCLSSIYEDLKMYQVEF-
		KTMNAKLLMDPKRQIFLDQNMLAVIDELM
		QALNFNSETVPQKSSLEEPDFYKTKIKLCILL
		HAFRIRAVTIDRVMSYLNAS*
ecDHFR	—	ISLIAALAVDYVIGMENAMPWNLPADLAW	1174	5338-5343
(Amino acid 2-		FKRNTLNKPVIMGRHTWESIGRPLPGRKNII
159 of WT)		LSSQPGTDDRVTWVKSVDEAIAACGDVPEI
(R12Y, Y100I)		MVIGGGRVIEQFLPKAQKLYLTHIDAEVEG
		DTHFPDYEPDDWESVFSEFHDADAQNSHSY
		CFEILERR
FKBP(F36V,	-	GVQVETISPGDGRTFPKRGQTCVVHYTGML	1176	5345-5349
L106P)		EDGKKVDSSRDRNKPFKFMLGKQEVIRGW
		EEGVAQMSVGQRAKLTISPDYAYGATGHP
		GIIPPHATLVFDVELLKPE
FKBP(F36V,	-	GVQVETISPGDGRTFPKRGQTCVVHYTGML	1177	5351-5357
E31G, R71G,		GDGKKVDSSRDRNKPFKFMLGKQEVIRGW
K105E)		EEGVAQMSVGQGAKLTISPDYAYGATGHP
		GIIPPHATLVFDVELLELE
hDHFR	—	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNE	1230	5358
(Amino acid 2-		FRYFFRMTTTSSVEGKQNLVIMGKKTWFSI
187 of WT;		PEKNRPLKGRINLVLSRELKEPPQGAHFLSR
Q36F, Y122I,		SLDDALKLTEQPELANKVDMVWIVGGSSVI
A125F)		KEFMNHPGHLKLFVTRIMQDFESDTFFPEID
		LEKYKLLPEYPGVLSDVQEEKGIKYKFEVY
		EKND
hDHFR	—	VGSLNCIVAVSQNMGVGKNGDLPWPPLRN	1256	5359
(Amino acid 2-		EFRYFQRMTTTSSVEGKQNLVIMGKKTWFS
187 of WT)		IPEKNRPLKGRINLVLSRELKEPPQGAHFLS
(I17V)		RSLDDALKLTEQPELANKVDMVWIVGGSS
		VYKEAMNHPGHLKLFVTRIMQDFESDTFFP
		EIDLEKYKLLPEYPGVLSDVQEEKGIKYKFE
		VYEKND
hDHFR	—	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNE	1257	5360-5361
(Amino acid 2-		FRYFQRMTTTSSVEGKQNLVIMGKKTWFSI
187 of WT)		PEKNRPLKGRINLVLSRELKEPPQGAHFLSR
(Y122I)		SLDDALKLTEQPELANKVDMVWIVGGSSVI
		KEAMNHPGHLKLFVTRIMQDFESDTFFPEID
		LEKYKLLPEYPGVLSDVQEEKGIKYKFEVY
		EKND
OT-IL12-001	CMV	MCHQQLVISWFSLVFLASPLVAGVQVETISP	182 2784	5362
(p40 signal		GDGRTFPKRGQTCVVHYTGMLEDGKKVDS
sequence -		SRDRNKPFKFMLGKQEVIRGWEEGVAQMS
FKBP(F36V,		VGQRAKLTISPDYAYGATGHPGIIPPHATLV
L106P) - linker		FDVELLKPEGGSGGIWELKKDVYVVELDW
(GGSGG(SEQ		YPDAPGEMVVLTCDTPEEDGITWTLDQSSE
ID NO: 2729)) -		VLGSGKTLTIQVKEFGDAGQYTCHKGGEVL
p40 - linker2		SHSLLLLHKKEDGIWSTDILKDQKEPKNKTF
(G4S)3 (SEQ		LRCEAKNYSGRFTCWWLTTISTDLTFSVKS
ID NO: 2731) -		SRGSSDPQGVTCGAATLSAERVRGDNKEYE
p35- stop)		YSVECQEDSACPAAEESLPIEVMVDAVHKL
		KYENYTSSFFIRDIIKPDPPKNLQLKPLKNSR
		QVEVSWEYPDTWSTPHSYFSLTFCVQVQG
		KSKREKKDRVFTDKTSATVICRKNASISVR
		AQDRYYSSSWSEWASVPCSGGGGSGGGGS
		GGGGSRNLPVATPDPGMFPCLHHSQNLLRA
		VSNMLQKARQTLEFYPCTSEEIDHEDITKDK
		TSTVEACLPLELTKNESCLNSRETSFITNGSC
		LASRKTSFMMALCLSSIYEDLKMYQVEFKT
		MNAKLLMDPKRQIFLDQNMLAVIDELMQA
		LNFNSETVPQKSSLEEPDFYKTKIKLCILLH
		AFRIRAVTIDRVMSYLNAS*
OT-IL12-002	CMV	MGVQVETISPGDGRTFPKRGQTCVVHYTG	2785	5363
(Met - FKBP		MLEDGKKVDSSRDRNKPFKFMLGKQEVIR
(F36V, L106P) -		GWEEGVAQMSVGQRAKLTISPDYAYGATG
linker		HPGIIPPHATLVFDVELLKPEGGSGGMCHQ
(GGSGG(SEQ		QLVISWFSLVFLASPLVAIWELKKDVYVVE
ID NO: 2729))		LDWYPDAPGEMVVLTCDTPEEDGITWTLD
- p40 signal		QSSEVLGSGKTLTIQVKEFGDAGQYTCHKG
sequence - p40 -		GEVLSHSLLLLHKKEDGIWSTDILKDQKEP
linker ((G4S)3		KNKTFLRCEAKNYSGRFTCWWLTTISTDLT
(SEQ ID NO:		FSVKSSRGSSDPQGVTCGAATLSAERVRGD
2731)) - p35 -		NKEYEYSVECQEDSACPAAEESLPIEVMVD
stop)		AVHKLKYENYTSSFFIRDIIKPDPPKNLQLK
		PLKNSRQVEVSWEYPDTWSTPHSYFSLTFC
		VQVQGKSKREKKDRVFTDKTSATVICRKN
		ASISVRAQDRYYSSSWSEWASVPCSGGGGS
		GGGGSGGGGSRNLPVATPDPGMFPCLHHS
		QNLLRAVSNMLQKARQTLEFYPCTSEEIDH
		EDITKDKTSTVEACLPLELTKNESCLNSRET
		SFITNGSCLASRKTSFMMALCLSSIYEDLKM
		YQVEFKTMNAKLLMDPKRQIFLDQNMLAV
		IDELMQALNFNSETVPQKSSLEEPDFYKTKI
		KLCILLHAFRIRAVTIDRVMSYLNAS*
OT-IL12-003	CMV	MCHQQLVISWFSLVFLASPLVAGVQVETISP	2786	5364
(p40 signal		GDGRTFPKRGQTCVVHYTGMLEDGKKVDS
sequence -		SRDRNKPFKFMLGKQEVIRGWEEGVAQMS
FKBP(F36V,		VGQRAKLTISPDYAYGATGHPGIIPPHATLV
L106P)- furin		FDVELLKPESARNRQKRSIWELKKDVYVVE
(SARNRQKRS		LDWYPDAPGEMVVLTCDTPEEDGITWTLD
(SEQ ID NO:		QSSEVLGSGKTLTIQVKEFGDAGQYTCHKG
2732)) - p40-		GEVLSHSLLLLHKKEDGIWSTDILKDQKEP
linker ((G4S)3		KNKTFLRCEAKNYSGRFTCWWLTTISTDLT
(SEQ ID NO:		FSVKSSRGSSDPQGVTCGAATLSAERVRGD
2731))- p35 -		NKEYEYSVECQEDSACPAAEESLPIEVMVD
stop)		AVHKLKYENYTSSFFIRDIIKPDPPKNLQLK
		PLKNSRQVEVSWEYPDTWSTPHSYFSLTFC
		VQVQGKSKREKKDRVFTDKTSATVICRKN
		ASISVRAQDRYYSSSWSEWASVPCSGGGGS
		GGGGSGGGGSRNLPVATPDPGMFPCLHHS
		QNLLRAVSNMLQKARQTLEFYPCTSEEIDH
		EDITKDKTSTVEACLPLELTKNESCLNSRET
		SFITNGSCLASRKTSFMMALCLSSIYEDLKM
		YQVEFKTMNAKLLMDPKRQIFLDQNMLAV
		IDELMQALNFNSETVPQKSSLEEPDFYKTKI
		KLCILLHAFRIRAVTIDRVMSYLNAS*
OT-IL12-004	CMV	MCHQQLVISWFSLVFLASPLVAIWELKKDV	2787	5365
(p40 signal		YVVELDWYPDAPGEMVVLTCDTPEEDGIT
sequence - p40 -		WTLDQSSEVLGSGKTLTIQVKEFGDAGQYT
linker ((G4S)3		CHKGGEVLSHSLLLLHKKEDGIWSTDILKD
(SEQ ID NO:		QKEPKNKTFLRCEAKNYSGRFTCWWLTTIS
2731)) - p35 -		TDLTFSVKSSRGSSDPQGVTCGAATLSAER
furin		VRGDNKEYEYSVECQEDSACPAAEESLPIE
(ARNRQKRS		VMVDAVHKLKYENYTSSFFIRDIIKPDPPKN
(SEQ ID NO:		LQLKPLKNSRQVEVSWEYPDTWSTPHSYFS
2733)) - FKBP		LTFCVQVQGKSKREKKDRVFTDKTSATVIC
(E31G, F36V,		RKNASISVRAQDRYYSSSWSEWASVPCSGG
R71G, K105E) -		GGSGGGGSGGGGSRNLPVATPDPGMFPCL
stop)		HHSQNLLRAVSNMLQKARQTLEFYPCTSEE
		IDHEDITKDKTSTVEACLPLELTKNESCLNS
		RETSFITNGSCLASRKTSFMMALCLSSIYED
		LKMYQVEFKTMNAKLLMDPKRQIFLDQN
		MLAVIDELMQALNFNSETVPQKSSLEEPDF
		YKTKIKLCILLHAFRIRAVTIDRVMSYLNAS
		ARNRQKRSGVQVETISPGDGRTFPKRGQTC
		VVHYTGMLGDGKKVDSSRDRNKPFKFML
		GKQEVIRGWEEGVAQMSVGQGAKLTISPD
		YAYGATGHPGIIPPHATLVFDVELLELE*
OT-IL12-005	CMV	MCHQQLVISWFSLVFLASPLVAIWELKKDV	2788	5366
(p40 signal		YVVELDWYPDAPGEMVVLTCDTPEEDGIT
sequence- p40 -		WTLDQSSEVLGSGKTLTIQVKEFGDAGQYT
linker- ((G4S)3		CHKGGEVLSHSLLLLHKKEDGIWSTDILKD
(SEQ ID NO:		QKEPKNKTFLRCEAKNYSGRFTCWWLTTIS
2731)) - p35 -		TDLTFSVKSSRGSSDPQGVTCGAATLSAER
linker (GGSG		VRGDNKEYEYSVECQEDSACPAAEESLPIE
(SEQ ID NO:		VMVDAVHKLKYENYTSSFFIRDIIKPDPPKN
2735)) - FKBP		LQLKPLKNSRQVEVSWEYPDTWSTPHSYFS
(E31G, F36V,		LTFCVQVQGKSKREKKDRVFTDKTSATVIC
R71G, K105E) -		RKNASISVRAQDRYYSSSWSEWASVPCSGG
stop)		GGSGGGGSGGGGSRNLPVATPDPGMFPCL
		HHSQNLLRAVSNMLQKARQTLEFYPCTSEE
		IDHEDITKDKTSTVEACLPLELTKNESCLNS
		RETSFITNGSCLASRKTSFMMALCLSSIYED
		LKMYQVEFKTMNAKLLMDPKRQIFLDQN
		MLAVIDELMQALNFNSETVPQKSSLEEPDF
		YKTKIKLCILLHAFRIRAVTIDRVMSYLNAS
		GGSGGVQVETISPGDGRTFPKRGQTCVVHY
		TGMLGDGKKVDSSRDRNKPFKFMLGKQEV
		IRGWEEGVAQMSVGQGAKLTISPDYAYGA
		TGHPGIIPPHATLVFDVELLELE*
OT-IL12-006	CMV	MCHQQLVISWFSLVFLASPLVAIWELKKDV	2789	5367
(p40 signal		YVVELDWYPDAPGEMVVLTCDTPEEDGIT
sequence- p40 -		WTLDQSSEVLGSGKTLTIQVKEFGDAGQYT
linker ((G4S)3		CHKGGEVLSHSLLLLHKKEDGIWSTDILKD
(SEQ ID NO:		QKEPKNKTFLRCEAKNYSGRFTCWWLTTIS
2731))- p35 -		TDLTFSVKSSRGSSDPQGVTCGAATLSAER
stop)		VRGDNKEYEYSVECQEDSACPAAEESLPIE
		VMVDAVHKLKYENYTSSFFIRDIIKPDPPKN
		LQLKPLKNSRQVEVSWEYPDTWSTPHSYFS
		LTFCVQVQGKSKREKKDRVFTDKTSATVIC
		RKNASISVRAQDRYYSSSWSEWASVPCSGG
		GGSGGGGSGGGGSRNLPVATPDPGMFPCL
		HHSQNLLRAVSNMLQKARQTLEFYPCTSEE
		IDHEDITKDKTSTVEACLPLELTKNESCLNS
		RETSFITNGSCLASRKTSFMMALCLSSIYED
		LKMYQVEFKTMNAKLLMDPKRQIFLDQN
		MLAVIDELMQALNFNSETVPQKSSLEEPDF
		YKTKIKLCILLHAFRIRAVTIDRVMSYLNAS
		*
OT-IL12-007	CMV	MCHQQLVISWFSLVFLASPLVAISLIAALAV	2790	1835
(p40 signal		DYVIGMENAMPWNLPADLAWFKRNTLNK
sequence;		PVIMGRHTWESIGRPLPGRKNIILSSQPGTD
ecDHFR		DRVTWVKSVDEAIAACGDVPEIMVIGGGR
(Amino acid 2-		VIEQFLPKAQKLYLTHIDAEVEGDTHFPDYE
159 of WT)		PDDWESVFSEFHDADAQNSHSYCFEILERR
(R12Y, 100I) -		ESRRVRRNKRSKIWELKKDVYVVELDWYP
furin site		DAPGEMVVLTCDTPEEDGITWTLDQSSEVL
(ESRRVRRNK		GSGKTLTIQVKEFGDAGQYTCHKGGEVLSH
RSK (SEQ ID		SLLLLHKKEDGIWSTDILKDQKEPKNKTFLR
NO: 2734)) -		CEAKNYSGRFTCWWLTTISTDLTFSVKSSR
p40 - linker		GSSDPQGVTCGAATLSAERVRGDNKEYEY
((G4S)3 (SEQ		SVECQEDSACPAAEESLPIEVMVDAVHKLK
ID NO: 2731)) -		YENYTSSFFIRDIIKPDPPKNLQLKPLKNSRQ
p35)		VEVSWEYPDTWSTPHSYFSLTFCVQVQGKS
		KREKKDRVFTDKTSATVICRKNASISVRAQ
		DRYYSSSWSEWASVPCSGGGGSGGGGSGG
		GGSRNLPVATPDPGMFPCLHHSQNLLRAVS
		NMLQKARQTLEFYPCTSEEIDHEDITKDKTS
		TVEACLPLELTKNESCLNSRETSFITNGSCL
		ASRKTSFMMALCLSSIYEDLKMYQVEFKT
		MNAKLLMDPKRQIFLDQNMLAVIDELMQA
		LNFNSETVPQKSSLEEPDFYKTKIKLCILLH
		AFRIRAVTIDRVMSYLNAS
OT-IL12-008	CMV	MCHQQLVISWFSLVFLASPLVAVGSLNCIV	2791	5369
(p40 signal		AVSQNMGIGKNGDLPWPPLRNEFRYFFRM
sequence;		TTTSSVEGKQNLVIMGKKTWFSIPEKNRPL
hDHFR		KGRINLVLSRELKEPPQGAHFLSRSLDDALK
(Amino acid 2-		LTEQPELANKVDMVWIVGGSSVIKEFMNHP
187 of WT)		GHLKLFVTRIMQDFESDTFFPEIDLEKYKLL
(Q36K, Y122I,		PEYPGVLSDVQEEKGIKYKFEVYEKNDESR
A125F) - furin		RVRRNKRSKIWELKKDVYVVELDWYPDAP
site		GEMVVLTCDTPEEDGITWTLDQSSEVLGSG
(ESRRVRRNK		KTLTIQVKEFGDAGQYTCHKGGEVLSHSLL
RSK (SEQ ID		LLHKKEDGIWSTDILKDQKEPKNKTFLRCE
NO: 2734))-		AKNYSGRFTCWWLTTISTDLTFSVKSSRGS
p40 -		SDPQGVTCGAATLSAERVRGDNKEYEYSV
linken(G4S)3		ECQEDSACPAAEESLPIEVMVDAVHKLKYE
(SEQ ID NO:		NYTSSFFIRDIIKPDPPKNLQLKPLKNSRQVE
2731)) - p35)		VSWEYPDTWSTPHSYFSLTFCVQVQGKSKR
		EKKDRVFTDKTSATVICRKNASISVRAQDR
		YYSSSWSEWASVPCSGGGGSGGGGSGGGG
		SRNLPVATPDPGMFPCLHHSQNLLRAVSNM
		LQKARQTLEFYPCTSEEIDHEDITKDKTSTV
		EACLPLELTKNESCLNSRETSFITNGSCLASR
		KTSFMMALCLSSIYEDLKMYQVEFKTMNA
		KLLMDPKRQIFLDQNMLAVIDELMQALNF
		NSETVPQKSSLEEPDFYKTKIKLCILLHAFRI
		RAVTIDRVMSYLNAS
OT-IL12-009	CMV	MCHQQLVISWFSLVFLASPLVAIWELKKDV	2792	5370
(p40 signal		YVVELDWYPDAPGEMVVLTCDTPEEDGIT
sequence- p40 -		WTLDQSSEVLGSGKTLTIQVKEFGDAGQYT
linker		CHKGGEVLSHSLLLLHKKEDGIWSTDILKD
((G4S)3 (SEQ		QKEPKNKTFLRCEAKNYSGRFTCWWLTTIS
ID NO: 2731)) -		TDLTFSVKSSRGSSDPQGVTCGAATLSAER
p35 - furin		VRGDNKEYEYSVECQEDSACPAAEESLPIE
(ESRRVRRNK		VMVDAVHKLKYENYTSSFFIRDIIKPDPPKN
RSK (SEQ ID		LQLKPLKNSRQVEVSWEYPDTWSTPHSYFS
NO: 2734)) -		LTFCVQVQGKSKREKKDRVFTDKTSATVIC
FKBP (E31G,		RKNASISVRAQDRYYSSSWSEWASVPCSGG
F36V, R71G,		GGSGGGGSGGGGSRNLPVATPDPGMFPCL
K105E)- stop)		HHSQNLLRAVSNMLQKARQTLEFYPCTSEE
		IDHEDITKDKTSTVEACLPLELTKNESCLNS
		RETSFITNGSCLASRKTSFMMALCLSSIYED
		LKMYQVEFKTMNAKLLMDPKRQIFLDQN
		MLAVIDELMQALNFNSETVPQKSSLEEPDF
		YKTKIKLCILLHAFRIRAVTIDRVMSYLNAS
		ESRRVRRNKRSKGVQVETISPGDGRTFPKR
		GQTCVVHYTGMLGDGKKVDSSRDRNKPFK
		FMLGKQEVIRGWEEGVAQMSVGQGAKLTI
		SPDYAYGATGHPGIIPPHATLVFDVELLELE
		*
OT-IL12-019	PGK	MCHQQLVISWFSLVFLASPLVAIWELKKDV	2789	5367
(p40 signal		YVVELDWYPDAPGEMVVLTCDTPEEDGIT
sequence- p40-		WTLDQSSEVLGSGKTLTIQVKEFGDAGQYT
linker((G4S)3		CHKGGEVLSHSLLLLHKKEDGIWSTDILKD
(SEQ ID NO:		QKEPKNKTFLRCEAKNYSGRFTCWWLTTIS
2731))- p35-		TDLTFSVKSSRGSSDPQGVTCGAATLSAER
stop)		VRGDNKEYEYSVECQEDSACPAAEESLPIE
		VMVDAVHKLKYENYTSSFFIRDIIKPDPPKN
		LQLKPLKNSRQVEVSWEYPDTWSTPHSYFS
		LTFCVQVQGKSKREKKDRVFTDKTSATVIC
		RKNASISVRAQDRYYSSSWSEWASVPCSGG
		GGSGGGGSGGGGSRNLPVATPDPGMFPCL
		HHSQNLLRAVSNMLQKARQTLEFYPCTSEE
		IDHEDITKDKTSTVEACLPLELTKNESCLNS
		RETSFITNGSCLASRKTSFMMALCLSSIYED
		LKMYQVEFKTMNAKLLMDPKRQIFLDQN
		MLAVIDELMQALNFNSETVPQKSSLEEPDF
		YKTKIKLCILLHAFRIRAVTIDRVMSYLNAS
		*
OT-IL12-020	EF1a	MCHQQLVISWFSLVFLASPLVAIWELKKDV	2789	5367
(p40 signal		YVVELDWYPDAPGEMVVLTCDTPEEDGIT
sequence- p40-		WTLDQSSEVLGSGKTLTIQVKEFGDAGQYT
linker((G4S)3		CHKGGEVLSHSLLLLHKKEDGIWSTDILKD
(SEQ ID NO:		QKEPKNKTFLRCEAKNYSGRFTCWWLTTIS
2731))- p35-		TDLTFSVKSSRGSSDPQGVTCGAATLSAER
stop)		VRGDNKEYEYSVECQEDSACPAAEESLPIE
		VMVDAVHKLKYENYTSSFFIRDIIKPDPPKN
		LQLKPLKNSRQVEVSWEYPDTWSTPHSYFS
		LTFCVQVQGKSKREKKDRVFTDKTSATVIC
		RKNASISVRAQDRYYSSSWSEWASVPCSGG
		GGSGGGGSGGGGSRNLPVATPDPGMFPCL
		HHSQNLLRAVSNMLQKARQTLEFYPCTSEE
		IDHEDITKDKTSTVEACLPLELTKNESCLNS
		RETSFITNGSCLASRKTSFMMALCLSSIYED
		LKMYQVEFKTMNAKLLMDPKRQIFLDQN
		MLAVIDELMQALNFNSETVPQKSSLEEPDF
		YKTKIKLCILLHAFRIRAVTIDRVMSYLNAS
		*
OT-IL12-021	No promoter	MCHQQLVISWFSLVFLASPLVAIWELKKDV	2789	5367
(p40 signal		YVVELDWYPDAPGEMVVLTCDTPEEDGIT
sequence- p40-		WTLDQSSEVLGSGKTLTIQVKEFGDAGQYT
linker((G4S)3		CHKGGEVLSHSLLLLHKKEDGIWSTDILKD
(SEQ ID NO:		QKEPKNKTFLRCEAKNYSGRFTCWWLTTIS
2731))- p35-		TDLTFSVKSSRGSSDPQGVTCGAATLSAER
stop)		VRGDNKEYEYSVECQEDSACPAAEESLPIE
		VMVDAVHKLKYENYTSSFFIRDIIKPDPPKN
		LQLKPLKNSRQVEVSWEYPDTWSTPHSYFS
		LTFCVQVQGKSKREKKDRVFTDKTSATVIC
		RKNASISVRAQDRYYSSSWSEWASVPCSGG
		GGSGGGGSGGGGSRNLPVATPDPGMFPCL
		HHSQNLLRAVSNMLQKARQTLEFYPCTSEE
		IDHEDITKDKTSTVEACLPLELTKNESCLNS
		RETSFITNGSCLASRKTSFMMALCLSSIYED
		LKMYQVEFKTMNAKLLMDPKRQIFLDQN
		MLAVIDELMQALNFNSETVPQKSSLEEPDF
		YKTKIKLCILLHAFRIRAVTIDRVMSYLNAS
		*
OT-IL12-022	PGK	MCHQQLVISWFSLVFLASPLVAIWELKKDV	2788	5366
(p40 signal		YVVELDWYPDAPGEMVVLTCDTPEEDGIT
sequence- p40 -		WTLDQSSEVLGSGKTLTIQVKEFGDAGQYT
linker- ((G4S)3		CHKGGEVLSHSLLLLHKKEDGIWSTDILKD
(SEQ ID NO:		QKEPKNKTFLRCEAKNYSGRFTCWWLTTIS
2731)) - p35 -		TDLTFSVKSSRGSSDPQGVTCGAATLSAER
linker (GGSG		VRGDNKEYEYSVECQEDSACPAAEESLPIE
(SEQ ID NO:		VMVDAVHKLKYENYTSSFFIRDIIKPDPPKN
2735)) - FKBP		LQLKPLKNSRQVEVSWEYPDTWSTPHSYFS
(E31G, F36V,		LTFCVQVQGKSKREKKDRVFTDKTSATVIC
R71G, K105E) -		RKNASISVRAQDRYYSSSWSEWASVPCSGG
stop)		GGSGGGGSGGGGSRNLPVATPDPGMFPCL
		HHSQNLLRAVSNMLQKARQTLEFYPCTSEE
		IDHEDITKDKTSTVEACLPLELTKNESCLNS
		RETSFITNGSCLASRKTSFMMALCLSSIYED
		LKMYQVEFKTMNAKLLMDPKRQIFLDQN
		MLAVIDELMQALNFNSETVPQKSSLEEPDF
		YKTKIKLCILLHAFRIRAVTIDRVMSYLNAS
		GGSGGVQVETISPGDGRTFPKRGQTCVVHY
		TGMLGDGKKVDSSRDRNKPFKFMLGKQEV
		IRGWEEGVAQMSVGQGAKLTISPDYAYGA
		TGHPGIIPPHATLVFDVELLELE*
OT-IL12-023	EF1a	MCHQQLVISWFSLVFLASPLVAIWELKKDV	2788	5366
(p40 signal		YVVELDWYPDAPGEMVVLTCDTPEEDGIT
sequence- p40 -		WTLDQSSEVLGSGKTLTIQVKEFGDAGQYT
linker- ((G4S)3		CHKGGEVLSHSLLLLHKKEDGIWSTDILKD
(SEQ ID NO:		QKEPKNKTFLRCEAKNYSGRFTCWWLTTIS
2731)) - p35 -		TDLTFSVKSSRGSSDPQGVTCGAATLSAER
linker (GGSG		VRGDNKEYEYSVECQEDSACPAAEESLPIE
(SEQ ID NO:		VMVDAVHKLKYENYTSSFFIRDIIKPDPPKN
2735)) - FKBP		LQLKPLKNSRQVEVSWEYPDTWSTPHSYFS
(E31G, F36V,		LTFCVQVQGKSKREKKDRVFTDKTSATVIC
R71G, K105E) -		RKNASISVRAQDRYYSSSWSEWASVPCSGG
stop)		GGSGGGGSGGGGSRNLPVATPDPGMFPCL
		HHSQNLLRAVSNMLQKARQTLEFYPCTSEE
		IDHEDITKDKTSTVEACLPLELTKNESCLNS
		RETSFITNGSCLASRKTSFMMALCLSSIYED
		LKMYQVEFKTMNAKLLMDPKRQIFLDQN
		MLAVIDELMQALNFNSETVPQKSSLEEPDF
		YKTKIKLCILLHAFRIRAVTIDRVMSYLNAS
		GGSGGVQVETISPGDGRTFPKRGQTCVVHY
		TGMLGDGKKVDSSRDRNKPFKFMLGKQEV
		IRGWEEGVAQMSVGQGAKLTISPDYAYGA
		TGHPGIIPPHATLVFDVELLELE
OT-IL12-024	No promoter	MCHQQLVISWFSLVFLASPLVAIWELKKDV	2788	5366
(p40 signal		YVVELDWYPDAPGEMVVLTCDTPEEDGIT
sequence- p40 -		WTLDQSSEVLGSGKTLTIQVKEFGDAGQYT
linker- ((G4S)3		CHKGGEVLSHSLLLLHKKEDGIWSTDILKD
(SEQ ID NO:		QKEPKNKTFLRCEAKNYSGRFTCWWLTTIS
2731)) - p35 -		TDLTFSVKSSRGSSDPQGVTCGAATLSAER
linker (GGSG		VRGDNKEYEYSVECQEDSACPAAEESLPIE
(SEQ ID NO:		VMVDAVHKLKYENYTSSFFIRDIIKPDPPKN
2735)) - FKBP		LQLKPLKNSRQVEVSWEYPDTWSTPHSYFS
(E31G, F36V,		LTFCVQVQGKSKREKKDRVFTDKTSATVIC
R71G, K105E) -		RKNASISVRAQDRYYSSSWSEWASVPCSGG
stop)		GGSGGGGSGGGGSRNLPVATPDPGMFPCL
		HHSQNLLRAVSNMLQKARQTLEFYPCTSEE
		IDHEDITKDKTSTVEACLPLELTKNESCLNS
		RETSFITNGSCLASRKTSFMMALCLSSIYED
		LKMYQVEFKTMNAKLLMDPKRQIFLDQN
		MLAVIDELMQALNFNSETVPQKSSLEEPDF
		YKTKIKLCILLHAFRIRAVTIDRVMSYLNAS
		GGSGGVQVETISPGDGRTFPKRGQTCVVHY
		TGMLGDGKKVDSSRDRNKPFKFMLGKQEV
		IRGWEEGVAQMSVGQGAKLTISPDYAYGA
		TGHPGIIPPHATLVFDVELLELE*
OT-IL12-025	PGK	MCHQQLVISWFSLVFLASPLVAIWELKKDV	2788	5366
(p40 signal		YVVELDWYPDAPGEMVVLTCDTPEEDGIT
sequence- p40 -		WTLDQSSEVLGSGKTLTIQVKEFGDAGQYT
linker- ((G4S)3		CHKGGEVLSHSLLLLHKKEDGIWSTDILKD
(SEQ ID NO:		QKEPKNKTFLRCEAKNYSGRFTCWWLTTIS
2731)) - p35 -		TDLTFSVKSSRGSSDPQGVTCGAATLSAER
linker (GGSG		VRGDNKEYEYSVECQEDSACPAAEESLPIE
(SEQ ID NO:		VMVDAVHKLKYENYTSSFFIRDIIKPDPPKN
2735)) - FKBP		LQLKPLKNSRQVEVSWEYPDTWSTPHSYFS
(E31G, F36V,		LTFCVQVQGKSKREKKDRVFTDKTSATVIC
R71G, K105E) -		RKNASISVRAQDRYYSSSWSEWASVPCSGG
stop)		GGSGGGGSGGGGSRNLPVATPDPGMFPCL
		HHSQNLLRAVSNMLQKARQTLEFYPCTSEE
		IDHEDITKDKTSTVEACLPLELTKNESCLNS
		RETSFITNGSCLASRKTSFMMALCLSSIYED
		LKMYQVEFKTMNAKLLMDPKRQIFLDQN
		MLAVIDELMQALNFNSETVPQKSSLEEPDF
		YKTKIKLCILLHAFRIRAVTIDRVMSYLNAS
		GGSGGVQVETISPGDGRTFPKRGQTCVVHY
		TGMLGDGKKVDSSRDRNKPFKFMLGKQEV
		IRGWEEGVAQMSVGQGAKLTISPDYAYGA
		TGHPGIIPPHATLVFDVELLELE*
OT-IL12-026	EF1a	MCHQQLVISWFSLVFLASPLVAIWELKKDV	2788	5366
(p40 signal		YVVELDWYPDAPGEMVVLTCDTPEEDGIT
sequence- p40 -		WTLDQSSEVLGSGKTLTIQVKEFGDAGQYT
linker- ((G4S)3		CHKGGEVLSHSLLLLHKKEDGIWSTDILKD
(SEQ ID NO:		QKEPKNKTFLRCEAKNYSGRFTCWWLTTIS
2731)) - p35 -		TDLTFSVKSSRGSSDPQGVTCGAATLSAER
linker (GGSG		VRGDNKEYEYSVECQEDSACPAAEESLPIE
(SEQ ID NO:		VMVDAVHKLKYENYTSSFFIRDIIKPDPPKN
2735)) - FKBP		LQLKPLKNSRQVEVSWEYPDTWSTPHSYFS
(E31G, F36V,		LTFCVQVQGKSKREKKDRVFTDKTSATVIC
R71G, K105E) -		RKNASISVRAQDRYYSSSWSEWASVPCSGG
stop)		GGSGGGGSGGGGSRNLPVATPDPGMFPCL
		HHSQNLLRAVSNMLQKARQTLEFYPCTSEE
		IDHEDITKDKTSTVEACLPLELTKNESCLNS
		RETSFITNGSCLASRKTSFMMALCLSSIYED
		LKMYQVEFKTMNAKLLMDPKRQIFLDQN
		MLAVIDELMQALNFNSETVPQKSSLEEPDF
		YKTKIKLCILLHAFRIRAVTIDRVMSYLNAS
		GGSGGVQVETISPGDGRTFPKRGQTCVVHY
		TGMLGDGKKVDSSRDRNKPFKFMLGKQEV
		IRGWEEGVAQMSVGQGAKLTISPDYAYGA
		TGHPGIIPPHATLVFDVELLELE*
OT-IL 12 -027	No promoter	MCHQQLVISWFSLVFLASPLVAIWELKKDV	2788	5366
(p40 signal		YVVELDWYPDAPGEMVVLTCDTPEEDGIT
sequence- p40 -		WTLDQSSEVLGSGKTLTIQVKEFGDAGQYT
linker- ((G4S)3		CHKGGEVLSHSLLLLHKKEDGIWSTDILKD
(SEQ ID NO:		QKEPKNKTFLRCEAKNYSGRFTCWWLTTIS
2731)) - p35 -		TDLTFSVKSSRGSSDPQGVTCGAATLSAER
linker (GGSG		VRGDNKEYEYSVECQEDSACPAAEESLPIE
(SEQ ID NO:		VMVDAVHKLKYENYTSSFFIRDIIKPDPPKN
2735)) - FKBP		LQLKPLKNSRQVEVSWEYPDTWSTPHSYFS
(E31G, F36V,		LTFCVQVQGKSKREKKDRVFTDKTSATVIC
R71G, K105E) -		RKNASISVRAQDRYYSSSWSEWASVPCSGG
stop)		GGSGGGGSGGGGSRNLPVATPDPGMFPCL
		HHSQNLLRAVSNMLQKARQTLEFYPCTSEE
		IDHEDITKDKTSTVEACLPLELTKNESCLNS
		RETSFITNGSCLASRKTSFMMALCLSSIYED
		LKMYQVEFKTMNAKLLMDPKRQIFLDQN
		MLAVIDELMQALNFNSETVPQKSSLEEPDF
		YKTKIKLCILLHAFRIRAVTIDRVMSYLNAS
		GGSGGVQVETISPGDGRTFPKRGQTCVVHY
		TGMLGDGKKVDSSRDRNKPFKFMLGKQEV
		IRGWEEGVAQMSVGQGAKLTISPDYAYGA
		TGHPGIIPPHATLVFDVELLELE*
OT-IL12-028	PGK	MCHQQLVISWFSLVFLASPLVAIWELKKDV	2787	5365
(p40 signal		YVVELDWYPDAPGEMVVLTCDTPEEDGIT
sequence - p40 -		WTLDQSSEVLGSGKTLTIQVKEFGDAGQYT
linker ((G4S)3		CHKGGEVLSHSLLLLHKKEDGIWSTDILKD
(SEQ ID NO:		QKEPKNKTFLRCEAKNYSGRFTCWWLTTIS
2731)) - p35 -		TDLTFSVKSSRGSSDPQGVTCGAATLSAER
furin		VRGDNKEYEYSVECQEDSACPAAEESLPIE
(ARNRQKRS		VMVDAVHKLKYENYTSSFFIRDIIKPDPPKN
(SEQ ID NO:		LQLKPLKNSRQVEVSWEYPDTWSTPHSYFS
2733)) - FKBP		LTFCVQVQGKSKREKKDRVFTDKTSATVIC
(E31G, F36V,		RKNASISVRAQDRYYSSSWSEWASVPCSGG
R71G, K105E) -		GGSGGGGSGGGGSRNLPVATPDPGMFPCL
stop)		HHSQNLLRAVSNMLQKARQTLEFYPCTSEE
		IDHEDITKDKTSTVEACLPLELTKNESCLNS
		RETSFITNGSCLASRKTSFMMALCLSSIYED
		LKMYQVEFKTMNAKLLMDPKRQIFLDQN
		MLAVIDELMQALNFNSETVPQKSSLEEPDF
		YKTKIKLCILLHAFRIRAVTIDRVMSYLNAS
		ARNRQKRSGVQVETISPGDGRTFPKRGQTC
		VVHYTGMLGDGKKVDSSRDRNKPFKFML
		GKQEVIRGWEEGVAQMSVGQGAKLTISPD
		YAYGATGHPGIIPPHATLVFDVELLELE*
OT-IL12-029	EF1a	MCHQQLVISWFSLVFLASPLVAIWELKKDV	2792	5370
(p40 signal		YVVELDWYPDAPGEMVVLTCDTPEEDGIT
sequence- p40 -		WTLDQSSEVLGSGKTLTIQVKEFGDAGQYT
linker		CHKGGEVLSHSLLLLHKKEDGIWSTDILKD
((G4S)3 (SEQ		QKEPKNKTFLRCEAKNYSGRFTCWWLTTIS
ID NO: 2731)) -		TDLTFSVKSSRGSSDPQGVTCGAATLSAER
p35 - furin		VRGDNKEYEYSVECQEDSACPAAEESLPIE
(ESRRVRRNK		VMVDAVHKLKYENYTSSFFIRDIIKPDPPKN
RSK (SEQ ID		LQLKPLKNSRQVEVSWEYPDTWSTPHSYFS
NO: 2734)) -		LTFCVQVQGKSKREKKDRVFTDKTSATVIC
FKBP (E31G,		RKNASISVRAQDRYYSSSWSEWASVPCSGG
F36V, R71G,		GGSGGGGSGGGGSRNLPVATPDPGMFPCL
K105E)- stop)		HHSQNLLRAVSNMLQKARQTLEFYPCTSEE
		IDHEDITKDKTSTVEACLPLELTKNESCLNS
		RETSFITNGSCLASRKTSFMMALCLSSIYED
		LKMYQVEFKTMNAKLLMDPKRQIFLDQN
		MLAVIDELMQALNFNSETVPQKSSLEEPDF
		YKTKIKLCILLHAFRIRAVTIDRVMSYLNAS
		ESRRVRRNKRSKGVQVETISPGDGRTFPKR
		GQTCVVHYTGMLGDGKKVDSSRDRNKPFK
		FMLGKQEVIRGWEEGVAQMSVGQGAKLTI
		SPDYAYGATGHPGIIPPHATLVFDVELLELE
		*
OT-IL12-030	No promoter	MCHQQLVISWFSLVFLASPLVAIWELKKDV	2792	5370
(p40 signal		YVVELDWYPDAPGEMVVLTCDTPEEDGIT
sequence- p40 -		WTLDQSSEVLGSGKTLTIQVKEFGDAGQYT
linker		CHKGGEVLSHSLLLLHKKEDGIWSTDILKD
((G4S)3 (SEQ		QKEPKNKTFLRCEAKNYSGRFTCWWLTTIS
ID NO: 2731)) -		TDLTFSVKSSRGSSDPQGVTCGAATLSAER
p35 - furin		VRGDNKEYEYSVECQEDSACPAAEESLPIE
(ESRRVRRNK		VMVDAVHKLKYENYTSSFFIRDIIKPDPPKN
RSK (SEQ ID		LQLKPLKNSRQVEVSWEYPDTWSTPHSYFS
NO: 2734)) -		LTFCVQVQGKSKREKKDRVFTDKTSATVIC
FKBP (E31G,		RKNASISVRAQDRYYSSSWSEWASVPCSGG
F36V, R71G,		GGSGGGGSGGGGSRNLPVATPDPGMFPCL
K105E)- stop)		HHSQNLLRAVSNMLQKARQTLEFYPCTSEE
		IDHEDITKDKTSTVEACLPLELTKNESCLNS
		RETSFITNGSCLASRKTSFMMALCLSSIYED
		LKMYQVEFKTMNAKLLMDPKRQIFLDQN
		MLAVIDELMQALNFNSETVPQKSSLEEPDF
		YKTKIKLCILLHAFRIRAVTIDRVMSYLNAS
		ESRRVRRNKRSKGVQVETISPGDGRTFPKR
		GQTCVVHYTGMLGDGKKVDSSRDRNKPFK
		FMLGKQEVIRGWEEGVAQMSVGQGAKLTI
		SPDYAYGATGHPGIIPPHATLVFDVELLELE
		*
OT-IL12-046	EF1a	MCHQQLVISWFSLVFLASPLVAGVQVETISP	2784	5373
(p40 signal		GDGRTFPKRGQTCVVHYTGMLEDGKKVDS
sequence -		SRDRNKPFKFMLGKQEVIRGWEEGVAQMS
FKBP(F36V,		VGQRAKLTISPDYAYGATGHPGIIPPHATLV
L106P) -		FDVELLKPEGGSGGIWELKKDVYVVELDW
Linker		YPDAPGEMVVLTCDTPEEDGITWTLDQSSE
(GGSGG (SEQ		VLGSGKTLTIQVKEFGDAGQYTCHKGGEVL
ID NO: 2729)) -		SHSLLLLHKKEDGIWSTDILKDQKEPKNKTF
p40 - Linker		LRCEAKNYSGRFTCWWLTTISTDLTFSVKSS
((G4S)3 (SEQ		RGSSDPQGVTCGAATLSAERVRGDNKEYE
ID NO: 2731)) -		YSVECQEDSACPAAEESLPIEVMVDAVHKL
p35 - stop)		KYENYTSSFFIRDIIKPDPPKNLQLKPLKNSR
		QVEVSWEYPDTWSTPHSYFSLTFCVQVQGK
		SKREKKDRVFTDKTSATVICRKNASISVRAQ
		DRYYSSSWSEWASVPCSGGGGSGGGGSGG
		GGSRNLPVATPDPGMFPCLHHSQNLLRAVS
		NMLQKARQTLEFYPCTSEEIDHEDITKDKTS
		TVEACLPLELTKNESCLNSRETSFITNGSCLA
		SRKTSFMMALCLSSIYEDLKMYQVEFKTMN
		AKLLMDPKRQIFLDQNMLAVIDELMQALNF
		NSETVPQKSSLEEPDFYKTKIKLCILLHAFRI
		RAVTIDRVMSYLNAS*

TABLE 25 — DD IL15 constructs

			Amino	Nucleic
			Acid	Acid
			SEQ	SEQ
Description/	Pro-		ID	ID
Construct ID	moter	Amino Acid Sequence	NO	NO
IL2 signal sequence	—	MYRMQLLSCIALSLALVTNS	2793	5382-5385
IgE Leader	—	MDWTWILFLVAAATRVHS	2794	5386-5388
Linker	—	EFSTEF	2795	5389-5390
Linker	—	GGSGG	2754	5391-5395
HA Tag	—	YPYDVPDYA	3080	5396-5398
BamHI	—	GS	—	GGATCC
P2A Cleavable	—	GATNFSLLKQAGDVEENPGP	3081	5399
Peptide
mCherry (M1L)	—	LSKGEEDNMAIIKEFMRFKVHMEGSVNG	2753	5400
		HEFEIEGEGEGRPYEGTQTAKLKVTKGGP
		LPFAWDILSPQFMYGSKAYVKHPADIPDY
		LKLSFPEGFKWERVMNFEDGGVVTVTQD
		SSLQDGEFIYKVKLRGTNFPSDGPVMQKK
		TMGWEASSERMYPEDGALKGEIKQRLKL
		KDGGHYDAEVKTTYKAKKPVQLPGAYN
		VNIKLDITSHNEDYTIVEQYERAEGRHSTG
		GMDELYK
IL15	—	NWVNVISDLKKIEDLIQSMHIDATLYTES	2751	5401-5405
		DVHPSCKVTAMKCFLLELQVISLESGDASI
		HDTVENLIILANNSLSSNGNVTESGCKECE
		ELEEKNIKEFLQSFVHIVQMFINTS*
ecDHFR (Amino	—	ISLIAALAVDYVIGMENAMPWNLPADLA	1174	5168-5173
acid 2-159 of WT)		WFKRNTLNKPVIMGRHTWESIGRPLPGRK
(R12Y, Y100I)		NIILSSQPGTDDRVTWVKSVDEAIAACGD
		VPEIMVIGGGRVIEQFLPKAQKLYLTHIDA
		EVEGDTHFPDYEPDDWESVFSEFHDADA
		QNSHSYCFEILERR*
hDHFR (Amino acid	—	VGSLNCIVAVSQNMGIGKNGDLPWPPLR	1257	5160, 5178
2-187 of WT)		NEFRYFQRMTTTSSVEGKQNLVIMGKKT
(Y122I)		WFSIPEKNRPLKGRINLVLSRELKEPPQGA
		HFLSRSLDDALKLTEQPELANKVDMVWI
		VGGSSVIKEAMNHPGHLKLFVTRIMQDFE
		SDTFFPEIDLEKYKLLPEYPGVLSDVQEEK
		GIKYKFEVYEKND
OT-IL15-001 (IL2	CMV	MYRMQLLSCIALSLALVTNSNWVNVISDL	2796	5406
signal sequence-		KKIEDLIQSMHIDATLYTESDVHPSCKVTA
IL15-stop)		MKCFLLELQVISLESGDASIHDTVENLIILA
		NNSLSSNGNVTESGCKECEELEEKNIKEFL
		QSFVHIVQMFINTS*
OT-IL15-002 (IL2	CMV	MYRMQLLSCIALSLALVTNSEFSTEFISLIA	2797	5407
signal sequence-		ALAVDYVIGMENAMPWNLPADLAWFKR
linker[EFSTEF (SEQ		NTLNKPVIMGRHTWESIGRPLPGRKNIILS
ID NO: 3086)]-		SQPGTDDRVTWVKSVDEAIAACGDVPEI
ecDHFR (amino acid		MVIGGGRVIEQFLPKAQKLYLTHIDAEVE
2-159 of WT, R12Y,		GDTHFPDYEPDDWESVFSEFHDADAQNS
100I)-linker		HSYCFEILERRGGSGGNWVNVISDLKKIE
[GGSGG (SEQ ID		DLIQSMHIDATLYTESDVHPSCKVTAMKC
NO: 2729)]-IL15-		FLLELQVISLESGDASIHDTVENLIILANNS
stop)		LSSNGNVTESGCKECEELEEKNIKEFLQSF
		VHIVQMFINTS*
OT-IL15-062 (IgE	EF1a	MDWTWILFLVAAATRVHSYPYDVPDYA	2798	5408
leader-HA Tag-		NWVNVISDLKKIEDLIQSMHIDATLYTES
IL15-BamHI (GS)-		DVHPSCKVTAMKCFLLELQVISLESGDASI
stop)		HDTVENLIILANNSLSSNGNVTESGCKECE
		ELEEKNIKEFLQSFVHIVQMFINTSGS*
OT-IL15-132 (IgE	EF1a	MDWTWILFLVAAATRVHSNWVNVISDLK	2799	5409
leader-IL15-		KIEDLIQSMHIDATLYTESDVHPSCKVTA
BamHI (GS)-P2A		MKCFLLELQVISLESGDASIHDTVENLIILA
cleavable peptide-		NNSLSSNGNVTESGCKECEELEEKNIKEFL
mCherry (M1L)-		QSFVHIVQMFINTSGSGATNFSLLKQAGD
stop)		VEENPGPLSKGEEDNMAIIKEFMRFKVHM
		EGSVNGHEFEIEGEGEGRPYEGTQTAKLK
		VTKGGPLPFAWDILSPQFMYGSKAYVKH
		PADIPDYLKLSFPEGFKWERVMNFEDGGV
		VTVTQDSSLQDGEFIYKVKLRGTNFPSDG
		PVMQKKTMGWEASSERMYPEDGALKGEI
		KQRLKLKDGGHYDAEVKTTYKAKKPVQ
		LPGAYNVNIKLDITSHNEDYTIVEQYERA
		EGRHSTGGMDELYK*
OT-IL15-134 (IgE	EF1a	MDWTWILFLVAAATRVHSNWVNVISDLK	2800	5410
leader-IL15-		KIEDLIQSMHIDATLYTESDVHPSCKVTA
Linker (GS)-		MKCFLLELQVISLESGDASIHDTVENLIILA
hDHFR (WT 2-187,		NNSLSSNGNVTESGCKECEELEEKNIKEFL
Y122I)-BamHI		QSFVHIVQMFINTSGSVGSLNCIVAVSQN
(GS)-P2A		MGIGKNGDLPWPPLRNEFRYFQRMTTTSS
cleavable peptide-		VEGKQNLVIMGKKTWFSIPEKNRPLKGRI
mCherry (M1L)-		NLVLSRELKEPPQGAHFLSRSLDDALKLT
stop)		EQPELANKVDMVWIVGGSSVIKEAMNHP
		GHLKLFVTRIMQDFESDTFFPEIDLEKYKL
		LPEYPGVLSDVQEEKGIKYKFEVYEKNDG
		SGATNFSLLKQAGDVEENPGPLSKGEEDN
		MAIIKEFMRFKVHMEGSVNGHEFEIEGEG
		EGRPYEGTQTAKLKVTKGGPLPFAWDILS
		PQFMYGSKAYVKHPADIPDYLKLSFPEGF
		KWERVMNFEDGGVVTVTQDSSLQDGEFI
		YKVKLRGTNFPSDGPVMQKKTMGWEAS
		SERMYPEDGALKGEIKQRLKLKDGGHYD
		AEVKTTYKAKKPVQLPGAYNVNIKLDITS
		HNEDYTIVEQYERAEGRHSTGGMDELYK*
IL2 signal sequence	—	MYRMQLLSCIALSLALVTNS	2793	5382-5385
IgE Leader	—	MDWTWILFLVAAATRVHS	2794	5386-5388
Linker	—	EFSTEF	2795	5389-5390
Linker	—	GGSGG	2754	5391-5395
HA Tag	—	YPYDVPDYA	3080	5396-5398
BamHI	—	GS	-	GGATCC
P2A Cleavable	—	GATNFSLLKQAGDVEENPGP	3081	5399
Peptide
mCherry (M1L)	—	LSKGEEDNMAIIKEFMRFKVHMEGSVNG	2753	5400
		HEFEIEGEGEGRPYEGTQTAKLKVTKGGP
		LPFAWDILSPQFMYGSKAYVKHPADIPDY
		LKLSFPEGFKWERVMNFEDGGVVTVTQD
		SSLQDGEFIYKVKLRGTNFPSDGPVMQKK
		TMGWEASSERMYPEDGALKGEIKQRLKL
		KDGGHYDAEVKTTYKAKKPVQLPGAYN
		VNIKLDITSHNEDYTIVEQYERAEGRHSTG
		GMDELYK
IL15	—	NWVNVISDLKKIEDLIQSMHIDATLYTES	2751	5401-5405
		DVHPSCKVTAMKCFLLELQVISLESGDASI
		HDTVENLIILANNSLSSNGNVTESGCKECE
		ELEEKNIKEFLQSFVHIVQMFINTS*
ecDHFR (Amino	—	ISLIAALAVDYVIGMENAMPWNLPADLA	1174	5168-5173
acid 2-159 of WT)		WFKRNTLNKPVIMGRHTWESIGRPLPGRK
(R12Y, Y100I)		NIILSSQPGTDDRVTWVKSVDEAIAACGD
		VPEIMVIGGGRVIEQFLPKAQKLYLTHIDA
		EVEGDTHFPDYEPDDWESVFSEFHDADA
		QNSHSYCFEILERR*
hDHFR (Amino acid	—	VGSLNCIVAVSQNMGIGKNGDLPWPPLR	1257	5160, 5178
2-187 of WT)		NEFRYFQRMTTTSSVEGKQNLVIMGKKT
(Y122I)		WFSIPEKNRPLKGRINLVLSRELKEPPQGA
		HFLSRSLDDALKLTEQPELANKVDMVWI
		VGGSSVIKEAMNHPGHLKLFVTRIMQDFE
		SDTFFPEIDLEKYKLLPEYPGVLSDVQEEK
		GIKYKFEVYEKND
OT-IL15-001 (IL2	CMV	MYRMQLLSCIALSLALVTNSNWVNVISDL	2796	5406
signal sequence-		KKIEDLIQSMHIDATLYTESDVHPSCKVTA
IL15-stop)		MKCFLLELQVISLESGDASIHDTVENLIILA
		NNSLSSNGNVTESGCKECEELEEKNIKEFL
		QSFVHIVQMFINTS*
OT-IL15-002 (IL2	CMV	MYRMQLLSCIALSLALVTNSEFSTEFISLIA	2797	5407
signal sequence-		ALAVDYVIGMENAMPWNLPADLAWFKR
linker[EFSTEF (SEQ		NTLNKPVIMGRHTWESIGRPLPGRKNIILS
ID NO: 3086)]-		SQPGTDDRVTWVKSVDEAIAACGDVPEI
ecDHFR (amino acid		MVIGGGRVIEQFLPKAQKLYLTHIDAEVE
2-159 of WT, R12Y,		GDTHFPDYEPDDWESVFSEFHDADAQNS
100I)-linker		HSYCFEILERRGGSGGNWVNVISDLKKIE
[GGSGG (SEQ ID		DLIQSMHIDATLYTESDVHPSCKVTAMKC
NO: 2729)]-IL15-		FLLELQVISLESGDASIHDTVENLIILANNS
stop)		LSSNGNVTESGCKECEELEEKNIKEFLQSF
		VHIVQMFINTS*
OT-IL15-062 (IgE	EF1a	MDWTWILFLVAAATRVHSYPYDVPDYA	2798	5408
leader-HA Tag-		NWVNVISDLKKIEDLIQSMHIDATLYTES
IL15-BamHI (GS)-		DVHPSCKVTAMKCFLLELQVISLESGDASI
stop)		HDTVENLIILANNSLSNGNVTESGCKECE
		ELEEKNIKEFLQSFVHIVQMFINTSGS*
OT-IL15-132 (IgE	EF1a	MDWTWILFLVAAATRVHSNWVNVISDLK	2799	5409
leader-IL15-		KIEDLIQSMHIDATLYTESDVHPSCKVTA
BamHI (GS)-P2A		MKCFLLELQVISLESGDASIHDTVENLIILA
cleavable peptide-		NNSLSSNGNVTESGCKECEELEEKNIKEFL
mCherry (M1L)-		QSFVHIVQMFINTSGSGATNFSLLKQAGD
stop)		VEENPGPLSKGEEDNMAIIKEFMRFKVHM
		EGSVNGHEFEIEGEGEGRPYEGTQTAKLK
		VTKGGPLPFAWDILSPQFMYGSKAYVKH
		PADIPDYLKLSFPEGFKWERVMNFEDGGV
		VTVTQDSSLQDGEFIYKVKLRGTNFPSDG
		PVMQKKTMGWEASSERMYPEDGALKGEI
		KQRLKLKDGGHYDAEVKTTYKAKKPVQ
		LPGAYNVNIKLDITSHNEDYTIVEQYERA
		EGRHSTGGMDELYK*
OT-IL15-134 (IgE	EF1a	MDWTWILFLVAAATRVHSNWVNVISDLK	2800	5410
leader-IL15-		KIEDLIQSMHIDATLYTESDVHPSCKVTA
Linker (GS)-		MKCFLLELQVISLESGDASIHDTVENLIILA
hDHFR (WT 2-187,		NNSLSSNGNVTESGCKECEELEEKNIKEFL
Y122I)-BamHI		QSFVHIVQMFINTSGSVGSLNCIVAVSQN
(GS)-P2A		MGIGKNGDLPWPPLRNEFRYFQRMTTTSS
cleavable peptide-		VEGKQNLVIMGKKTWFSIPEKNRPLKGRI
mCherry (M1L) —		NLVLSRELKEPPQGAHFLSRSLDDALKLT
stop)		EQPELANKVDMVWIVGGSSVIKEAMNHP
		GHLKLFVTRIMQDFESDTFFPEIDLEKYKL
		LPEYPGVLSDVQEEKGIKYKFEVYEKNDG
		SGATNFSLLKQAGDVEENPGPLSKGEEDN
		MAIIKEFMRFKVHMEGSVNGHEFEIEGEG
		EGRPYEGTQTAKLKVTKGGPLPFAWDILS
		PQFMYGSKAYVKHPADIPDYLKLSFPEGF
		KWERVMNFEDGGVVTVTQDSSLQDGEFI
		YKVKLRGTNFPSDGPVMQKKTMGWEAS
		SERMYPEDGALKGEIKQRLKLKDGGHYD
		AEVKTTYKAKKPVQLPGAYNVNIKLDITS
		HNEDYTIVEQYERAEGRHSTGGMDELYK*

TABLE 26 — IL15 constructs Nucleic

			Amino	Acid SEQ
	Pro-		Acid SEQ	ID NO/
Description	moter	Amino acid sequence	ID NO	Sequence
IL2 signal	—	MYRMQLLSCIALSLALVTNS	2801	5415-5418
sequence
IgE leader	—	MDWTWILFLVAAATRVHS	2802	1878, 1879,
				5419-5421
Linker	—	EFSTEF	2803	5422-5423
Linker	—	GGSGG	2804	5424-5428
HA Tag		YPYDVPDYA	2805	5429-5430
BamHI	—	GS	—	GGATCC
P2A	—	GATNFSLLKQAGDVEENPGP	2806	5431
Cleavable
Peptide
mCherry	—	LSKGEEDNMAIIKEFMRFKVHMEGSVNG	2807	5432
(M1L)		HEFEIEGEGEGRPYEGTQTAKLKVTKGG
		PLPFAWDILSPQFMYGSKAYVKHPADIP
		DYLKLSFPEGFKWERVMNFEDGGVVTV
		TQDSSLQDGEFIYKVKLRGTNFPSDGPV
		MQKKTMGWEASSERMYPEDGALKGEIK
		QRLKLKDGGHYDAEVKTTYKAKKPVQL
		PGAYNVNIKLDITSHNEDYTIVEQYERAE
		GRHSTGGMDELYK
IL15	—	NWVNVISDLKKIEDLIQSMHIDATLYTES	718	5434-5436
		DVHPSCKVTAMKCFLLELQVISLESGDA		(each
		SIHDTVENLIILANNSLSSNGNVTESGCK		include the
		ECEELEEKNIKEFLQSFVHIVQMFINTS*		stop codon
				at the end),
				5437-5439
ecDHFR	—	ISLIAALAVDYVIGMENAMPWNLPADLA	2808	5440-5442
(Amino acid		WFKRNTLNKPVIMGRHTWESIGRPLPGR
2-159 of		KNIILSSQPGTDDRVTWVKSVDEAIAAC
WT; R12Y,		GDVPEIMVIGGGRVIEQFLPKAQKLYLT
Y100I)		HIDAEVEGDTHFPDYEPDDWESVFSEFH
		DADAQNSHSYCFEILERR*
hDHFR	—	VGSLNCIVAVSQNMGIGKNGDLPWPPLR	2809	5443
(Amino acid		NEFRYFQRMTTTSSVEGKQNLVIMGKKT
2-187 of		WFSIPEKNRPLKGRINLVLSRELKEPPQG
WT)		AHFLSRSLDDALKLTEQPELANKVDMV
(Y122I)		WIVGGSSVIKEAMNHPGHLKLFVTRIMQ
		DFESDTFFPEIDLEKYKLLPEYPGVLSDV
		QEEKGIKYKFEVYEKND
OT-IL15-	CMV	MYRMQLLSCIALSLALVTNSNWVNVISD	2810	5444
001 (IL2		LKKIEDLIQSMHIDATLYTESDVHPSCKV
signal		TAMKCFLLELQVISLESGDASIHDTVENL
sequence-		IILANNSLSSNGNVTESGCKECEELEEKNI
IL15-stop)		KEFLQSFVHIVQMFINTS*
OT-IL15-	CMV	MYRMQLLSCIALSLALVTNSEFSTEFISLI	2811	5445
002 (IL2		AALAVDYVIGMENAMPWNLPADLAWF
signal		KRNTLNKPVIMGRHTWESIGRPLPGRKN
sequence-		IILSSQPGTDDRVTWVKSVDEAIAACGD
linker[EFST		VPEIMVIGGGRVIEQFLPKAQKLYLTHID
EF (SEQ ID		AEVEGDTHFPDYEPDDWESVFSEFHDAD
NO: 3086)]-		AQNSHSYCFEILERRGGSGGNWVNVISD
ecDHFR		LKKIEDLIQSMHIDATLYTESDVHPSCKV
(amino acid		TAMKCFLLELQVISLESGDASIHDTVENL
2-159 of		IILANNSLSSNGNVTESGCKECEELEEKNI
WT, R12Y,		KEFLQSFVHIVQMFINTS*
100I)-linker
[GGSGG
(SEQ ID
NO: 2729)]-
IL15-stop)
OT-IL15-	EF1a	MDWTWILFLVAAATRVHSYPYDVPDYA	2812	5446
062 (IgE		NWVNVISDLKKIEDLIQSMHIDATLYTES
leader-HA		DVHPSCKVTAMKCFLLELQVISLESGDA
Tag-IL15-		SIHDTVENLIILANNSLSSNGNVTESGCK
BamHI		ECEELEEKNIKEFLQSFVHIVQMFINTSGS*
(GS)-stop)
OT-IL15-	EF1a	MDWTWILFLVAAATRVHSNWVNVISDL	2813	5447
132 (IgE		KKIEDLIQSMHIDATLYTESDVHPSCKVT
leader-IL15-		AMKCFLLELQVISLESGDASIHDTVENLII
BamHI		LANNSLSSNGNVTESGCKECEELEEKNIK
(GS)-P2A		EFLQSFVHIVQMFINTSGSGATNFSLLKQ
cleavable		AGDVEENPGPLSKGEEDNMAIIKEFMRF
peptide-		KVHMEGSVNGHEFEIEGEGEGRPYEGTQ
mCherry		TAKLKVTKGGPLPFAWDILSPQFMYGSK
(M1L)-		AYVKHPADIPDYLKLSFPEGFKWERVM
stop)		NFEDGGVVTVTQDSSLQDGEFIYKVKLR
		GTNFPSDGPVMQKKTMGWEASSERMYP
		EDGALKGEIKQRLKLKDGGHYDAEVKT
		TYKAKKPVQLPGAYNVNIKLDITSHNED
		YTIVEQYERAEGRHSTGGMDELYK*
OT-IL15-	EF1a	MDWTWILFLVAAATRVHSNWVNVISDL	2814	5448
134 (IgE		KKIEDLIQSMHIDATLYTESDVHPSCKVT
leader-IL15-		AMKCFLLELQVISLESGDASIHDTVENLII
Linker		LANNSLSSNGNVTESGCKECEELEEKNIK
(GS-		EFLQSFVHIVQMFINTSGSVGSLNCIVAV
hDHFR		SQNMGIGKNGDLPWPPLRNEFRYFQRM
(WT 2-187,		TTTSSVEGKQNLVIMGKKTWFSIPEKNR
Y122I)-		PLKGRINLVLSRELKEPPQGAHFLSRSLD
BamHI (GS)-		DALKLTEQPELANKVDMVWIVGGSSVIK
P2A		EAMNHPGHLKLFVTRIMQDFESDTFFPEI
cleavable		DLEKYKLLPEYPGVLSDVQEEKGIKYKF
peptide-		EVYEKNDGSGATNFSLLKQAGDVEENP
mCherry		GPLSKGEEDNMAIIKEFMRFKVHMEGSV
(M1L)-		NGHEFEIEGEGEGRPYEGTQTAKLKVTK
stop)		GGPLPFAWDILSPQFMYGSKAYVKHPAD
		IPDYLKLSFPEGFKWERVMNFEDGGVVT
		VTQDSSLQDGEFIYKVKLRGTNFPSDGP
		VMQKKTMGWEASSERMYPEDGALKGEI
		KQRLKLKDGGHYDAEVKTTYKAKKPV
		QLPGAYNVNIKLDITSHNEDYTIVEQYER
		AEGRHSTGGMDELYK*

TABLE 27 — IL15Ra variants Amino acid SEQ

Description	Sequence	ID
IL15Ra Isoform 1 (NCBI	MAPRRARGCRTLGLPALLLLLLLRPPATRGITCPPPMSVEH	719
Reference No.	ADIWVKSYSLYSRERYICNSGFKRKAGTSSLTECVLNKAT
NP_002180.1)	NVAHWTTPSLKCIRDPALVHQRPAPPSTVTTAGVTPQPES
	LSPSGKEPAASSPSSNNTAATTAAIVPGSQLMPSKSPSTGT
	TEISSHESSHGTPSQTTAKNWELTASASHQPPGVYPQGHS
	DTTVAISTSTVLLCGLSAVSLLACYLKSRQTPPLASVEMEA
	MEALPVTWGTSSRDEDLENCSHHL
IL15Ra Isoform 2 (NCBI	MAPRRARGCRTLGLPALLLLLLLRPPATRGITCPPPMSVEH	720
reference No.	ADIWVKSYSLYSRERYICNSGFKRKAGTSSLTECVLNKAT
NP_751950.2)	NVAHWTTPSLKCIKPAASSPSSNNTAATTAAIVPGSQLMP
	SKSPSTGTTEISSHESSHGTPSQTTAKNWELTASASHQPPG
	VYPQGHSDTTVAISTSTVLLCGLSAVSLLACYLKSRQTPPL
	ASVEMEAMEALPVTWGTSSRDEDLENCSHHL
IL15Ra Isoform 3 (NCBI	MSVEHADIWVKSYSLYSRERYICNSGFKRKAGTSSLTECV	721
Reference No.	LNKATNVAHWTTPSLKCIRDPALVHQRPAPPSTVTTAGVT
NP_001230468.1)	PQPESLSPSGKEPAASSPSSNNTAATTAAIVPGSQLMPSKSP
	STGTTEISSHESSHGTPSQTTAKNWELTASASHQPPGVYPQ
	GHSDTTVAISTSTVLLCGLSAVSLLACYLKSRQTPPLASVE
	MEAMEALPVTWGTSSRDEDLENCSHHL
IL15Ra Isoform 4 (NCBI	MRLAGRQVPEQRSPPPPGLGSARPGSPAVSCGAAAMAPR	722
Reference No.	RARGCRTLGLPALLLLLLLRPPATRDARDRLAVLAGRSRI
NP_001243694.1)	SESFNHEVQTHEACVRLRTMENCPQCHHHRTSRQQAGIT
	CPPPMSVEHADIWVKSYSLYSRERYICNSGFKRKAGTSSL
	TECVLNKATNVAHWTTPSLKCIRDPALVHQRPAPPSTVTT
	AGVTPQPESLSPSGKEPAASSPSSNNTAATTAAIVPGSQLM
	PSKSPSTGTTEISSHESSHGTPSQTTAKNWELTASASHQPP
	GVYPQGHSDTTVAISTSTVLLCGLSAVSLLACYLKSRQTPP
	LASVEMEAMEALPVTWGTSSRDEDLENCSHHL
IL15Ra sushi domain	CPPPMSVEHADIWVKSYSLYSRERYICNSGFKRKAGTSSL	723
	TECVLNKATNVAHWTTPSLKC
IL15Ra (without signal	ITCPPPMSVEHADIWVKSYSLYSRERYICNSGFKRKAGTSS	724
sequence)	LTECVLNKATNVAHWTTPSLKCIRDPALVHQRPAPPSTVT
	TAGVTPQPESLSPSGKEPAASSPSSNNTAATTAAIVPGSQL
	MPSKSPSTGTTEISSHESSHGTPSQTTAKNWELTASASHQP
	PGVYPQGHSDTTVAISTSTVLLCGLSAVSLLACYLKSRQTP
	PLASVEMEAMEALPVTWGTSSRDEDLENCSHHL
IL15Ra (31-205 of Uniprot	ITCPPPMSVEHADIWVKSYSLYSRERYICNSGFKRKAGTSS	725
ID: Q13261.1)	LTECVLNKATNVAHWTTPSLKCIRDPALVHQRPAPPSTVT
	TAGVTPQPESLSPSGKEPAASSPSSNNTAATTAAIVPGSQL
	MPSKSPSTGTTEISSHESSHGTPSQTTAKNWELTASASHQP
	PGVYPQGHSDTT
IL15Ra (31-95 of	ITCPPPMSVEHADIWVKSYSLYSRERYICNSGFKRKAGTSS	726
Q13261.1)	LTECVLNKATNVAHWTTPSLKCIR

TABLE 28 — DD-IL15/IL15Ra construct sequences

		Amino	Nucleic
Description/		Acid	Acid
Construct ID	Amino Acid Sequence	SEQ ID NO	SEQ ID NO
IgE leader	MDWTWILFLVAAATRVHS	2794	5386-5388
IL15RA Leader	MAPRRARGCRTLGLPALLLLLLLRPPATRG	2815	5452
Linker (SG3-	SGGGSGGGGSGGGGSGGGGSGGGSLQ	2758	5453-5459
(SG4)3-SG3-SLQ)
Linker (SG3S)	SGGGS	2816	5460-5462
Linker	SGGGSGGGGSGGGGSGGGGSGGGGSGGGGSGGGS	2817	5463
(SG3(SG4)5SG3S)
Linker	SGGGSGGGGSGGGGSGGGGS	2818	5464
Linker	GS	—	GGTTCC
Linker	SG	—	AGCGGC
Linker	GSG	—
			GGATCCGGA
			or
			GGATCCGGT
Spacer	—	—	5465-5467,
			and
			TCGCGAATG
			or TCGCA
IL15	NWVNVISDLKKIEDLIQSMHIDATLYTESDVHPSCKVT	2751	5401-5405
	AMKCFLLELQVISLESGDASIHDTVENLIILANNSLSSN
	GNVTESGCKECEELEEKNIKEFLQSFVHIVQMFINTS*
IL15Ra	ITCPPPMSVEHADIWVKSYSLYSRERYICNSGFKRKAG	2752	5468
	TSSLTECVLNKATNVAHWTTPSLKCIRDPALVHQRPA
	PPSTVTTAGVTPQPESLSPSGKEPAASSPSSNNTAATT
	AAIVPGSQLMPSKSPSTGTTEISSHESSHGTPSQTTAKN
	WELTASASHQPPGVYPQGHSDTTVAISTSTVLLCGLS
	AVSLLACYLKSRQTPPLASVEMEAMEALPVTWGTSS
	RDEDLENCSHHL*
IL15Ra (31-205	ITCPPPMSVEHADIWVKSYSLYSRERYICNSGFKRKAG	2822	5469
of Uniprot ID:	TSSLTECVLNKATNVAHWTTPSLKCIRDPALVHQRPA
Q13261.1)	PPSTVTTAGVTPQPESLSPSGKEPAASSPSSNNTAATTA
	AIVPGSQLMPSKSPSTGTTEISSHESSHGTPSQTTAKN
	WELTASASHQPPGVYPQGHSDTT
mCherry	MSKGEEDNMAIIKEFMRFKVHMEGSVNGHEFEIEGEG	2823	5470
	EGRPYEGTQTAKLKVTKGGPLPFAWDILSPQFMYGSK
	AYVKHPADIPDYLKLSFPEGFKWERVMNFEDGGVVT
	VTQDSSLQDGEFIYKVKLRGTNFPSDGPVMQKKTMG
	WEASSERMYPEDGALKGEIKQRLKLKDGGHYDAEVK
	TTYKAKKPVQLPGAYNVNIKLDITSHNEDYTIVEQYE
	RAEGRHSTGGMDELYK*
mCherry (M1L)	LSKGEEDNMAIIKEFMRFKVHMEGSVNGHEFEIEGEG	2753	5400
	EGRPYEGTQTAKLKVTKGGPLPFAWDILSPQFMYGSK
	AYVKHPADIPDYLKLSFPEGFKWERVMNFEDGGVVT
	VTQDSSLQDGEFIYKVKLRGTNFPSDGPVMQKKTMG
	WEASSERMYPEDGALKGEIKQRLKLKDGGHYDAEVK
	TTYKAKKPVQLPGAYNVNIKLDITSHNEDYTIVEQYE
	RAEGRHSTGGMDELYK
HA Tag	YPYDVPDYA	3080	5396-5398
Flag	DYKDDDDK	2824	—
BamHI	GS	—	GGATCC
P2A Cleavable	GATNFSLLKQAGDVEENPGP	3081	5399
Peptide
ecDHFR (Amino	ISLIAALAVDYVIGMENAMPWNLPADLAWFKRNTLN	1174	5168-5173
acid 2-159 of WT	KPVIMGRHTWESIGRPLPGRKNIILSSQPGTDDRVTWV
R12Y, Y100I)	KSVDEAIAACGDVPEIMVIGGGRVIEQFLPKAQKLYLT
	HIDAEVEGDTHFPDYEPDDWESVFSEFHDADAQNSHS
	YCFEILERR*
ecDHFR (Amino	ISLIAALAVDHVIGMENAMPWNLPADLAWFKRNTLN	1175	5174-5176
acid 2-159 of WT	KPVIMGRHTWESIGRPLPGRKNIILSSQPGTDDRVTWV
R12H, E129K)	KSVDEAIAACGDVPEIMVIGGGRVYEQFLPKAQKLYL
	THIDAEVEGDTHFPDYKPDDWESVFSEFHDADAQNS
	HSYCFEILERR*
FKBP (E31G,	GVQVETISPGDGRTFPKRGQTCVVHYTGMLGDGKKV	1177	5351-5357
F36V, R71G,	DSSRDRNKPFKFMLGKQEVIRGWEEGVAQMSVGQG
K105E)	AKLTISPDYAYGATGHPGIIPPHATLVFDVELLELE*
hDHFR (Amino	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQR	1252	5474-5477
acid 2-187 of WT;	MTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINL
Y122I, A125F)	VLSRELKEPPQGAHFLSRSLDDALKLTEQPELANKVD
	MVWIVGGSSVIKEFMNHPGHLKLFVTRIMQDFESDTF
	FPEIDLEKYKLLPEYPGVLSDVQEEKGIKYKFEVYEKN
	D*
hDHFR (Amino	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFFRM	1253	5478-5481
acid 2-187 of WT;	TTTSSVEGKQNLVIMGKKTWFSIPEKFRPLKGRINLVL
Q36F, N65F,	SRELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMV
Y122I)	WIVGGSSVIKEAMNHPGHLKLFVTRIMQDFESDTFFPE
	IDLEKYKLLPEYPGVLSDVQEEKGIKYKFEVYEKND
hDHFR (Amino	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQR	1251	5482
acid 2-187 of WT;	MTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINL
K185E)	VLSRELKEPPQGAHFLSRSLDDALKLTEQPELANKVD
	MVWIVGGSSVYKEAMNHPGHLKLFVTRIMQDFESDT
	FFPEIDLEKYKLLPEYPGVLSDVQEEKGIKYKFEVYEE
	ND*
hDHFR (Amino	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQR	1250	5483-5484
acid 2-187 of WT;	MTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINL
E162G, I176F)	VLSRELKEPPQGAHFLSRSLDDALKLTEQPELANKVD
	MVWIVGGSSVYKEAMNHPGHLKLFVTRIMQDFESDT
	FFPEIDLEKYKLLPGYPGVLSDVQEEKGFKYKFEVYE
	KND*
hDHFR (Amino	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQR	1254	5485
acid 2-187 of WT;	MTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINL
N127Y)	VLSRELKEPPQGAHFLSRSLDDALKLTEQPELANKVD
	MVWIVGGSSVYKEAMYHPGHLKLFVTRIMQDFESDT
	FFPEIDLEKYKLLPEYPGVLSDVQEEKGIKYKFEVYEK
	ND
hDHFR (Amino	VGSLNCIVAVSQNMGVGKNGDLPWPPLRNEFRYFQR	1256	5359
acid 2-187 of WT;	MTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINL
I17V)	VLSRELKEPPQGAHFLSRSLDDALKLTEQPELANKVD
	MVWIVGGSSVYKEAMNHPGHLKLFVTRIMQDFESDT
	FFPEIDLEKYKLLPEYPGVLSDVQEEKGIKYKFEVYEK
	ND
hDHFR (Amino	VGSLNCIVAVSQNMGVGKNGDLPWPPLRNEFRYFQR	1244	5486
acid 2-187 of WT;	MTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINL
I17V, Y122I)	VLSRELKEPPQGAHFLSRSLDDALKLTEQPELANKVD
	MVWIVGGSSVIKEAMNHPGHLKLFVTRIMQDFESDTF
	FPEIDLEKYKLLPEYPGVLSDVQEEKGIKYKFEVYEKN
	D
hDHFR (Amino	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQR	1255	5487
acid 2-187 of WT;	MTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINL
H131R, E144G)	VLSRELKEPPQGAHFLSRSLDDALKLTEQPELANKVD
	MVWIVGGSSVYKEAMNHPGRLKLFVTRIMQDFGSDT
	FFPEIDLEKYKLLPEYPGVLSDVQEEKGIKYKFEVYEK
	ND

TABLE 29 — DD-IL15/IL15Ra constructs

			Amino	Nucleic
			Acid	Acid
	Pro-		SEQ	SEQ
Description	moter	Amino acid sequences	ID NO	ID NO
OT-IL15-006	EF1a	MDWTWILFLVAAATRVHSNWVNVISDL	2825	5488
(IgE signal		KKIEDLIQSMHIDATLYTESDVHPSCKVT
sequence; IL15;		AMKCFLLELQVISLESGDASIHDTVENLII
linker1 (SG3-		LANNSLSSNGNVTESGCKECEELEEKNIK
(SG4)5-SG3		EFLQSFVHIVQMFINTSSGGGSGGGGSGG
(SEQ ID NO:		GGSGGGGSGGGSLQITCPPPMSVEHADI
3085)); IL15Ra;		WVKSYSLYSRERYICNSGFKRKAGTSSL
1inker2 (GGSGG		TECVLNKATNVAHWTTPSLKCIRDPALV
(SEQ ID NO:		HQRPAPPSTVTTAGVTPQPESLSPSGKEP
2729)); ecDHFR		AASSPSSNNTAATTAAIVPGSQLMPSKSP
(R12H, E129K))		STGTTEISSHESSHGTPSQTTAKNWELTA
		SASHQPPGVYPQGHSDTTVAISTSTVLLC
		GLSAVSLLACYLKSRQTPPLASVEMEAM
		EALPVTWGTSSRDEDLENCSHHLSGISLI
		AALAVDHVIGMENAMPWNLPADLAWF
		KRNTLNKPVIMGRHTWESIGRPLPGRKN
		IILSSQPGTDDRVTWVKSVDEAIAACGD
		VPEIMVIGGGRVYEQFLPKAQKLYLTHI
		DAEVEGDTHFPDYKPDDWESVFSEFHD
		ADAQNSHSYCFEILERR*
OT-IL15-007	EF1a	MDWTWILFLVAAATRVHSNWVNVISDL	2826	5489
(IgE signal		KKIEDLIQSMHIDATLYTESDVHPSCKVT
sequence; IL15;		AMKCFLLELQVISLESGDASIHDTVENLII
linker1 (SG3-		LANNSLSSNGNVTESGCKECEELEEKNIK
(SG4)5-SG3		EFLQSFVHIVQMFINTSSGGGSGGGGSGG
(SEQ ID NO:		GGSGGGGSGGGSLQITCPPPMSVEHADI
3085)); IL15Ra;		WVKSYSLYSRERYICNSGFKRKAGTSSL
linker2 (GGSGG		TECVLNKATNVAHWTTPSLKCIRDPALV
(SEQ ID NO:		HQRPAPPSTVTTAGVTPQPESLSPSGKEP
2729)); FKBP		AASSPSSNNTAATTAAIVPGSQLMPSKSP
(E31G,F36V,		STGTTEISSHESSHGTPSQTTAKNWELTA
R71G, K105E))		SASHQPPGVYPQGHSDTTVAISTSTVLLC
		GLSAVSLLACYLKSRQTPPLASVEMEAM
		EALPVTWGTSSRDEDLENCSHHLSGGVQ
		VETISPGDGRTFPKRGQTCVVHYTGMLG
		DGKKVDSSRDRNKPFKFMLGKQEVIRG
		WEEGVAQMSVGQGAKLTISPDYAYGAT
		GHPGIIPPHATLVFDVELLELE*
OT-IL15-008	EF1a	MDWTWILFLVAAATRVHSNWVNVISDL	2827	5490
(IgE signal		KKIEDLIQSMHIDATLYTESDVHPSCKVT
sequence-IL15-		AMKCFLLELQVISLESGDASIHDTVENLII
linker (SG3-		LANNSLSSNGNVTESGCKECEELEEKNIK
(SG4)3-SG3-		EFLQSFVHIVQMFINTSSGGGSGGGGSGG
SLQ (SEQ ID		GGSGGGGSGGGSLQITCPPPMSVEHADI
NO: 2730))-		WVKSYSLYSRERYICNSGFKRKAGTSSL
IL15Ra-stop)		TECVLNKATNVAHWTTPSLKCIRDPALV
		HQRPAPPSTVTTAGVTPQPESLSPSGKEP
		AASSPSSNNTAATTAAIVPGSQLMPSKSP
		STGTTEISSHESSHGTPSQTTAKNWELTA
		SASHQPPGVYPQGHSDTTVAISTSTVLLC
		GLSAVSLLACYLKSRQTPPLASVEMEAM
		EALPVTWGTSSRDEDLENCSHHL*
OT-IL15-009	EF1a	MDWTWILFLVAAATRVHSNWVNVISDL	2828	5491
(IgE signal		KKIEDLIQSMHIDATLYTESDVHPSCKVT
sequence-IL15-		AMKCFLLELQVISLESGDASIHDTVENLII
linker (SG3-		LANNSLSSNGNVTESGCKECEELEEKNIK
(SG4)3-SG3-		EFLQSFVHIVQMFINTSSGGGSGGGGSGG
SLQ (SEQ ID		GGSGGGGSGGGSLQITCPPPMSVEHADI
NO: 2730))-		WVKSYSLYSRERYICNSGFKRKAGTSSL
IL15Ra-linker		TECVLNKATNVAHWTTPSLKCIRDPALV
(SG)-ecDHFR		HQRPAPPSTVTTAGVTPQPESLSPSGKEP
(Amino acid 2-		AASSPSSNNTAATTAAIVPGSQLMPSKSP
159 of WT;		STGTTEISSHESSHGTPSQTTAKNWELTA
R12Y, Y100I)-		SASHQPPGVYPQGHSDTTVAISTSTVLLC
stop)		GLSAVSLLACYLKSRQTPPLASVEMEAM
		EALPVTWGTSSRDEDLENCSHHLSGISLI
		AALAVDYVIGMENAMPWNLPADLAWF
		KRNTLNKPVIMGRHTWESIGRPLPGRKN
		IILSSQPGTDDRVTWVKSVDEAIAACGD
		VPEIMVIGGGRVIEQFLPKAQKLYLTHID
		AEVEGDTHFPDYEPDDWESVFSEFHDAD
		AQNSHSYCFEILERR*
OT-IL15-010	EF1a	MDWTWILFLVAAATRVHSNWVNVISDL	2829	5492
(IgE signal		KKIEDLIQSMHIDATLYTESDVHPSCKVT
sequence-IL15-		AMKCFLLELQVISLESGDASIHDTVENLII
linker (SG3-		LANNSLSSNGNVTESGCKECEELEEKNIK
(SG4)3-SG3-		EFLQSFVHIVQMFINTSSGGGSGGGGSGG
SLQ (SEQ ID		GGSGGGGSGGGSLQITCPPPMSVEHADI
NO: 2730))-		WVKSYSLYSRERYICNSGFKRKAGTSSL
IL15Ra-linker		TECVLNKATNVAHWTTPSLKCIRDPAL
(SG)-hDHFR		HQRPAPPSTVTTAGVTPQPESLSPSGKEP
(Y122I, A125F)-		AASSPSSNNTAATTAAIVPGSQLMPSKSP
stop)		STGTTEISSHESSHGTPSQTTAKNWELTA
		SASHQPPGVYPQGHSDTTVAISTSTVLLC
		GLSAVSLLACYLKSRQTPPLASVEMEAM
		EALPVTWGTSSRDEDLENCSHHLSGVGS
		LNCIVAVSQNMGIGKNGDLPWPPLRNEF
		RYFQRMTTTSSVEGKQNLVIMGKKTWF
		SIPEKNRPLKGRINLVLSRELKEPPQGAH
		FLSRSLDDALKLTEQPELANKVDMVWIV
		GGSSVIKEFMNHPGHLKLFVTRIMQDFE
		SDTFFPEIDLEKYKLLPEYPGVLSDVQEE
		KGIKYKFEVYEKND*
OT-IL15-011	EF1a	MDWTWILFLVAAATRVHSNWVNVISDL	2830	5493
(IgE signal		KKIEDLIQSMHIDATLYTESDVHPSCKVT
sequence-IL15-		AMKCFLLELQVISLESGDASIHDTVENLII
linker (SG3-		LANNSLSSNGNVTESGCKECEELEEKNIK
(SG4)3-SG3-		EFLQSFVHIVQMFINTSSGGGSGGGGSGG
SLQ (SEQ ID		GGSGGGGSGGGSLQITCPPPMSVEHADI
NO: 2730))-		WVKSYSLYSRERYICNSGFKRKAGTSSL
IL15Ra; linker		TECVLNKATNVAHWTTPSLKCIRDPALV
(SG)-hDHFR		HQRPAPPSTVTTAGVTPQPESLSPSGKEP
(Amino acid 2-		AASSPSSNNTAATTAAIVPGSQLMPSKSP
187 of WT;		STGTTEISSHESSHGTPSQTTAKNWELTA
Q36F, N65F,		SASHQPPGVYPQGHSDTTVAISTSTVLLC
Y122I)-stop)		GLSAVSLLACYLKSRQTPPLASVEMEAM
		EALPVTWGTSSRDEDLENCSHHLSGVGS
		LNCIVAVSQNMGIGKNGDLPWPPLRNEF
		RYFFRMTTTSSVEGKQNLVIMGKKTWFS
		IPEKFRPLKGRINLVLSRELKEPPQGAHFL
		SRSLDDALKLTEQPELANKVDMVWIVG
		GSSVIKEAMNHPGHLKLFVTRIMQDFES
		DTFFPEIDLEKYKLLPEYPGVLSDVQEEK
		GIKYKFEVYEKND*
OT-IL15-017	EF1a	MDWTWILFLVAAATRVHSNWVNVISDL	2831	5494
(IgE signal		KKIEDLIQSMHIDATLYTESDVHPSCKVT
sequence-IL15-		AMKCFLLELQVISLESGDASIHDTVENLII
linker (SG3-		LANNSLSSNGNVTESGCKECEELEEKNIK
(SG4)3-SG3-		EFLQSFVHIVQMFINTSSGGGSGGGGSGG
SLQ (SEQ ID		GGSGGGGSGGGSLQITCPPPMSVEHADI
NO: 2730))-		WVKSYSLYSRERYICNSGFKRKAGTSSL
IL15Ra-linker		TECVLNKATNVAHWTTPSLKCIRDPALV
(SG)-hDHFR		HQRPAPPSTVTTAGVTPQPESLSPSGKEP
(Amino acid 2-		AASSPSSNNTAATTAAIVPGSQLMPSKSP
187 of WT;		STGTTEISSHESSHGTPSQTTAKNWELTA
K185E)-stop)		SASHQPPGVYPQGHSDTTVAISTSTVLLC
		GLSAVSLLACYLKSRQTPPLASVEMEAM
		EALPVTWGTSSRDEDLENCSHHLSGVGS
		LNCIVAVSQNMGIGKNGDLPWPPLRNEF
		RYFQRMTTTSSVEGKQNLVIMGKKTWF
		SIPEKNRPLKGRINLVLSRELKEPPQGAH
		FLSRSLDDALKLTEQPELANKVDMVWIV
		GGSSVYKEAMNHPGHLKLFVTRIMQDF
		ESDTFFPEIDLEKYKLLPEYPGVLSDVQE
		EKGIKYKFEVYEEND*
OT-IL15-018	EF1a	MDWTWILFLVAAATRVHSNWVNVISDL	2832	5495
(IgE signal		KKIEDLIQSMHIDATLYTESDVHPSCKVT
sequence-IL15-		AMKCFLLELQVISLESGDASIHDTVENLII
linker (SG3-		LANNSLSSNGNVTESGCKECEELEEKNIK
(SG4)3-SG3-		EFLQSFVHIVQMFINTSSGGGSGGGGSGG
SLQ (SEQ ID		GGSGGGGSGGGSLQITCPPPMSVEHADI
NO: 2730))-		WVKSYSLYSRERYICNSGFKRKAGTSSL
IL15Ra-linker		TECVLNKATNVAHWTTPSLKCIRDPALV
(SG)-hDHFR		HQRPAPPSTVTTAGVTPQPESLSPSGKEP
(Amino acid 2-		AASSPSSNNTAATTAAIVPGSQLMPSKSP
187 of WT;		STGTTEISSHESSHGTPSQTTAKNWELTA
E162G, I176F)-		SASHQPPGVYPQGHSDTTVAISTSTVLLC
stop)		GLSAVSLLACYLKSRQTPPLASVEMEAM
		EALPVTWGTSSRDEDLENCSHHLSGVGS
		LNCIVAVSQNMGIGKNGDLPWPPLRNEF
		RYFQRMTTTSSVEGKQNLVIMGKKTWF
		SIPEKNRPLKGRINLVLSRELKEPPQGAH
		FLSRSLDDALKLTEQPELANKVDMVWIV
		GGSSVYKEAMNHPGHLKLFVTRIMQDF
		ESDTFFPEIDLEKYKLLPGYPGVLSDVQE
		EKGFKYKFEVYEKND*
OT-IL15-038	EF1a	MDWTWILFLVAAATRVHSNWVNVISDL	2833	5496
(IgE leader-		KKIEDLIQSMHIDATLYTESDVHPSCKVT
IL15-Linker		AMKCFLLELQVISLESGDASIHDTVENLII
(SG3-(SG4)3-		LANNSLSSNGNVTESGCKECEELEEKNIK
SG3-SLQ (SEQ		EFLQSFVHIVQMFINTSSGGGSGGGGSGG
ID NO: 2730))-		GGSGGGGSGGGSLQITCPPPMSVEHADI
IL15Ra-Linker		WVKSYSLYSRERYICNSGFKRKAGTSSL
(SG-hDHFR		TECVLNKATNVAHWTTPSLKCIRDPALV
(Amino acid 2-		HQRPAPPSTVTTAGVTPQPESLSPSGKEP
187 of WT;		AASSPSSNNTAATTAAIVPGSQLMPSKSP
N127Y)-stop)		STGTTEISSHESSHGTPSQTTAKNWELTA
		SASHQPPGVYPQGHSDTTVAISTSTVLLC
		GLSAVSLLACYLKSRQTPPLASVEMEAM
		EALPVTWGTSSRDEDLENCSHHLSGVGS
		LNCIVAVSQNMGIGKNGDLPWPPLRNEF
		RYFQRMTTTSSVEGKQNLVIMGKKTWF
		SIPEKNRPLKGRINLVLSRELKEPPQGAH
		FLSRSLDDALKLTEQPELANKVDMVWIV
		GGSSVYKEAMYHPGHLKLFVTRIMQDF
		ESDTFFPEIDLEKYKLLPEYPGVLSDVQE
		EKGIKYKFEVYEKND*
OT-IL15-051	EF1a	MDWTWILFLVAAATRVHSNWVNVISDL	2834	5497
(IgE leader-		KKIEDLIQSMHIDATLYTESDVHPSCKVT
IL15-Linker		AMKCFLLELQVISLESGDASIHDTVENLII
(SG3-(SG4)3-		LANNSLSSNGNVTESGCKECEELEEKNIK
SG3-SLQ (SEQ		EFLQSFVHIVQMFINTSSGGGSGGGGSGG
ID NO: 2730))-		GGSGGGGSGGGSLQYPYDVPDYAITCPP
HA Tag-		PMSVEHADIWVKSYSLYSRERYICNSGF
IL15Ra-stop)		KRKAGTSSLTECVLNKATNVAHWTTPSL
		KCIRDPALVHQRPAPPSTVTTAGVTPQPE
		SLSPSGKEPAASSPSSNNTAATTAAIVPG
		SQLMPSKSPSTGTTEISSHESSHGTPSQTT
		AKNWELTASASHQPPGVYPQGHSDTTV
		AISTSTVLLCGLSAVSLLACYLKSRQTPP
		LASVEMEAMEALPVTWGTSSRDEDLEN
		CSHHL*
OT-IL15-053	EF1a	MDWTWILFLVAAATRVHSNWVNVISDL	2835	5498
(IgE leader-		KKIEDLIQSMHIDATLYTESDVHPSCKVT
IL15-Linker		AMKCFLLELQVISLESGDASIHDTVENLII
(SG3(SG4)5SG3S		LANNSLSSNGNVTESGCKECEELEEKNIK
(SEQ ID NO:		EFLQSFVHIVQMFINTSSGGGSGGGGSGG
3087))-IL15Ra-		GGSGGGGSGGGGSGGGGSGGGSITCPPP
Stop)		MSVEHADIWVKSYSLYSRERYICNSGFK
		RKAGTSSLTECVLNKATNVAHWTTPSLK
		CIRDPALVHQRPAPPSTVTTAGVTPQPES
		LSPSGKEPAASSPSSNNTAATTAAIVPGS
		QLMPSKSPSTGTTEISSHESSHGTPSQTTA
		KNWELTASASHQPPGVYPQGHSDTTVAI
		STSTVLLCGLSAVSLLACYLKSRQTPPLA
		SVEMEAMEALPVTWGTSSRDEDLENCS
		HHL*
OT-IL15-054	EF1a	MDWTWILFLVAAATRVHSNWVNVISDL	2836	5499
(IgE leader-		KKIEDLIQSMHIDATLYTESDVHPSCKVT
IL15-Linker		AMKCFLLELQVISLESGDASIHDTVENLII
(SG3(SG4)3S		LANNSLSSNGNVTESGCKECEELEEKNIK
(SEQ ID NO:		EFLQSFVHIVQMFINTSSGGGSGGGGSGG
3088))-HA Tag-		GGSGGGGSYPYDVPDYASGGGSITCPPP
Linker (SG3S		MSVEHADIWVKSYSLYSRERYICNSGFK
(SEQ ID NO:		RKAGTSSLTECVLNKATNVAHWTTPSLK
3089))-IL15Ra-		CIRDPALVHQRPAPPSTVTTAGVTPQPES
Stop)		LSPSGKEPAASSPSSNNTAATTAAIVPGS
		QLMPSKSPSTGTTEISSHESSHGTPSQTTA
		KNWELTASASHQPPGVYPQGHSDTTVAI
		STSTVLLCGLSAVSLLACYLKSRQTPPLA
		SVEMEAMEALPVTWGTSSRDEDLENCS
		HHL*
OT-IL15-055	EF1a	MDWTWILFLVAAATRVHSNWVNVISDL	2837	5500
(IgE leader-		KKIEDLIQSMHIDATLYTESDVHPSCKVT
IL15-Linker		AMKCFLLELQVISLESGDASIHDTVENLII
(SG)-IL15Ra-		LANNSLSSNGNVTESGCKECEELEEKNIK
Stop)		EFLQSFVHIVQMFINTSSGITCPPPMSVEH
		ADIWVKSYSLYSRERYICNSGFKRKAGT
		SSLTECVLNKATNVAHWTTPSLKCIRDP
		ALVHQRPAPPSTVTTAGVTPQPESLSPSG
		KEPAASSPSSNNTAATTAAIVPGSQLMPS
		KSPSTGTTEISSHESSHGTPSQTTAKNWE
		LTASASHQPPGVYPQGHSDTTVAISTSTV
		LLCGLSAVSLLACYLKSRQTPPLASVEM
		EAMEALPVTWGTSSRDEDLENCSHHL*
OT-IL15-060	EF1a	MAPRRARGCRTLGLPALLLLLLLRPPAT	2838	5501
(IL15Ra signal		RGNWVNVISDLKKIEDLIQSMHIDATLYT
peptide-IL15-		ESDVHPSCKVTAMKCFLLELQVISLESG
Linker(SG3-		DASIHDTVENLIILANNSLSSNGNVTESG
(SG4)3-SG3-		CKECEELEEKNIKEFLQSFVHIVQMFINT
SLQ (SEQ ID		SSGGGSGGGGSGGGGSGGGGSGGGSLQI
NO: 2730))-		TCPPPMSVEHADIWVKSYSLYSRERYIC
IL15Ra-stop)		NSGFKRKAGTSSLTECVLNKATNVAHW
		TTPSLKCIRDPALVHQRPAPPSTVTTAGV
		TPQPESLSPSGKEPAASSPSSNNTAATTA
		AIVPGSQLMPSKSPSTGTTEISSHESSHGT
		PSQTTAKNWELTASASHQPPGVYPQGHS
		DTTVAISTSTVLLCGLSAVSLLACYLKSR
		QTPPLASVEMEAMEALPVTWGTSSRDE
		DLENCSHHL*
OT-IL15-063	EF1a	MDWTWILFLVAAATRVHSNWVNVISDL	2839	5502
(IgE leader-		KKIEDLIQSMHIDATLYTESDVHPSCKVT
IL15-Linker		AMKCFLLELQVISLESGDASIHDTVENLII
(SG3-(SG4)3-		LANNSLSSNGNVTESGCKECEELEEKNIK
SG3-SLQ (SEQ		EFLQSFVHIVQMFINTSSGGGSGGGGSGG
ID NO: 2730))-		GGSGGGGSGGGSLQITCPPPMSVEHADI
IL15Ra-		WVKSYSLYSRERYICNSGFKRKAGTSSL
BamHI (GS)-		TECVLNKATNVAHWTTPSLKCIRDPALV
stop)		HQRPAPPSTVTTAGVTPQPESLSPSGKEP
		AASSPSSNNTAATTAAIVPGSQLMPSKSP
		STGTTEISSHESSHGTPSQTTAKNWELTA
		SASHQPPGVYPQGHSDTTVAISTSTVLLC
		GLSAVSLLACYLKSRQTPPLASVEMEAM
		EALPVTWGTSSRDEDLENCSHHLGS*
OT-IL15-064	EF1a	MDWTWILFLVAAATRVHSNWVNVISDL	2827	5490
and OT-IL15-		KKIEDLIQSMHIDATLYTESDVHPSCKVT
071 (IgE leader-		AMKCFLLELQVISLESGDASIHDTVENLII
IL15-Linker		LANNSLSSNGNVTESGCKECEELEEKNIK
(SG3-(SG4)3-		EFLQSFVHIVQMFINTSSGGGSGGGGSGG
SG3-SLQ (SEQ		GGSGGGGSGGGSLQITCPPPMSVEHADI
ID NO: 2730))-		WVKSYSLYSRERYICNSGFKRKAGTSSL
IL15Ra-stop)		TECVLNKATNVAHWTTPSLKCIRDPALV
		HQRPAPPSTVTTAGVTPQPESLSPSGKEP
		AASSPSSNNTAATTAAIVPGSQLMPSKSP
		STGTTEISSHESSHGTPSQTTAKNWELTA
		SASHQPPGVYPQGHSDTTVAISTSTVLLC
		GLSAVSLLACYLKSRQTPPLASVEMEAM
		EALPVTWGTSSRDEDLENCSHHL*
OT-IL15-066	EF1a	MDWTWILFLVAAATRVHSNWVNVISDL	2828	5491
(IgE leader-		KKIEDLIQSMHIDATLYTESDVHPSCKVT
IL15-Linker		AMKCFLLELQVISLESGDASIHDTVENLII
(SG3-(SG4)3-		LANNSLSSNGNVTESGCKECEELEEKNIK
SG3-SLQ (SEQ		EFLQSFVHIVQMFINTSSGGGSGGGGSGG
ID NO: 2730))-		GGSGGGGSGGGSLQITCPPPMSVEHADI
IL15Ra-Linker		WVKSYSLYSRERYICNSGFKRKAGTSSL
(SG) ecDHFR		TECVLNKATNVAHWTTPSLKCIRDPALV
(Amino acid 2-		HQRPAPPSTVTTAGVTPQPESLSPSGKEP
159 of WT,		AASSPSSNNTAATTAAIVPGSQLMPSKSP
R12Y, Y100I)-		STGTTEISSHESSHGTPSQTTAKNWELTA
stop)		SASHQPPGVYPQGHSDTTVAISTSTVLLC
		GLSAVSLLACYLKSRQTPPLASVEMEAM
		EALPVTWGTSSRDEDLENCSHHLSGISLI
		AALAVDYVIGMENAMPWNLPADLAWF
		KRNTLNKPVIMGRHTWESIGRPLPGRKN
		IILSSQPGTDDRVTWVKSVDEAIAACGD
		VPEIMVIGGGRVIEQFLPKAQKLYLTHID
		AEVEGDTHFPDYEPDDWESVFSEFHDAD
		AQNSHSYCFEILERR*
OT-IL15-067	EF1a	MDWTWILFLVAAATRVHSNWVNVISDL	2840	5503
(IgE leader-		KKIEDLIQSMHIDATLYTESDVHPSCKVT
IL15-Linker		AMKCFLLELQVISLESGDASIHDTVENLII
(SG3-(SG4)3-		LANNSLSSNGNVTESGCKECEELEEKNIK
SG3-SLQ (SEQ		EFLQSFVHIVQMFINTSSGGGSGGGGSGG
ID NO: 2730))-		GGSGGGGSGGGSLQITCPPPMSVEHADI
IL15Ra-Linker		WVKSYSLYSRERYICNSGFKRKAGTSSL
(SG)-ecDHFR		TECVLNKATNVAHWTTPSLKCIRDPALV
(Amino acid 2-		HQRPAPPSTVTTAGVTPQPESLSPSGKEP
159 of WT,		AASSPSSNNTAATTAAIVPGSQLMPSKSP
R12Y, Y100I)-		STGTTEISSHESSHGTPSQTTAKNWELTA
stop)		SASHQPPGVYPQGHSDTTVAISTSTVLLC
		GLSAVSLLACYLKSRQTPPLASVEMEAM
		EALPVTWGTSSRDEDLENCSHHLSGISLI
		AALAVDYVIGMENAMPWNLPADLAWF
		KRNTLNKPVIMGRHTWESIGRPLPGRKN
		IILSSQPGTDDRVTWVKSVDEAIAACGD
		VPEIMVIGGGRVIEQFLPKAQKLYLTHID
		AEVEGDTHFPDYEPDDWESVFSEFHDAD
		AQNSHSYCFEILERR*
OT-IL15-070	EF1a	MAPRRARGCRTLGLPALLLLLLLRPPAT	2841	5494
(IL15Ra signal		RGNWVNVISDLKKIEDLIQSMHIDATLYT
peptide-IL15-		ESDVHPSCKVTAMKCFLLELQVISLESG
Linker (SG3-		DASIHDTVENLIILANNSLSSNGNVTESG
(SG4)3-SG3-		CKECEELEEKNIKEFLQSFVHIVQMFINT
SLQ (SEQ ID		SSGGGSGGGGSGGGGSGGGGSGGGSLQI
NO: 2730))-		TCPPPMSVEHADIWVKSYSLYSRERYIC
IL15Ra-stop)		NSGFKRKAGTSSLTECVLNKATNVAHW
		TTPSLKCIRDPALVHQRPAPPSTVTTAGV
		TPQPESLSPSGKEPAASSPSSNNTAATTA
		AIVPGSQLMPSKSPSTGTTEISSHESSHGT
		PSQTTAKNWELTASASHQPPGVYPQGHS
		DTTVAISTSTVLLCGLSAVSLLACYLKSR
		QTPPLASVEMEAMEALPVTWGTSSRDE
		DLENCSHHL*
OT-IL15-072	EF1a	MDWTWILFLVAAATRVHSNWVNVISDL	2827	5504
(IgE leader-		KKIEDLIQSMHIDATLYTESDVHPSCKVT
IL15-Linker		AMKCFLLELQVISLESGDASIHDTVENLII
(SG3-(SG4)3-		LANNSLSSNGNVTESGCKECEELEEKNIK
SG3-SLQ (SEQ		EFLQSFVHIVQMFINTSSGGGSGGGGSGG
ID NO: 2730))-		GGSGGGGSGGGSLQITCPPPMSVEHADI
IL15Ra-stop)		WVKSYSLYSRERYICNSGFKRKAGTSSL
		TECVLNKATNVAHWTTPSLKCIRDPALV
		HQRPAPPSTVTTAGVTPQPESLSPSGKEP
		AASSPSSNNTAATTAAIVPGSQLMPSKSP
		STGTTEISSHESSHGTPSQTTAKNWELTA
		SASHQPPGVYPQGHSDTTVAISTSTVLLC
		GLSAVSLLACYLKSRQTPPLASVEMEAM
		EALPVTWGTSSRDEDLENCSHHL*
OT-IL15-089	EF1a	MDWTWILFLVAAATRVHSDYKDDDDK	2842	5505
(IgE leader-		NWVNVISDLKKIEDLIQSMHIDATLYTES
FLAG-IL15-		DVHPSCKVTAMKCFLLELQVISLESGDA
Linker (SG3-		SIHDTVENLIILANNSLSSNGNVTESGCK
(SG4)3-SG3-		ECEELEEKNIKEFLQSFVHIVQMFINTSSG
SLQ (SEQ ID		GGSGGGGSGGGGSGGGGSGGGSLQYPY
NO: 2730))-		DVPDYAITCPPPMSVEHADIWVKSYSLY
HA Tag-		SRERYICNSGFKRKAGTSSLTECVLNKAT
IL15Ra-linker		NVAHWTTPSLKCIRDPALVHQRPAPPST
(GSG)-		VTTAGVTPQPESLSPSGKEPAASSPSSNN
ecDHFR (Amino		TAATTAAIVPGSQLMPSKSPSTGTTEISSH
acid 2-159 of		ESSHGTPSQTTAKNWELTASASHQPPGV
WT, R12Y,		YPQGHSDTTVAISTSTVLLCGLSAVSLLA
Y100I)-stop)		CYLKSRQTPPLASVEMEAMEALPVTWG
		TSSRDEDLENCSHHLGSGISLIAALAVDY
		VIGMENAMPWNLPADLAWFKRNTLNKP
		VIMGRHTWESIGRPLPGRKNIILSSQPGT
		DDRVTWVKSVDEAIAACGDVPEIMVIGG
		GRVIEQFLPKAQKLYLTHIDAEVEGDTH
		FPDYEPDDWESVFSEFHDADAQNSHSYC
		FEILERR*
OT-IL15-109	EF1a	MDWTWILFLVAAATRVHSNWVNVISDL	2839	5502
(IgE leader-		KKIEDLIQSMHIDATLYTESDVHPSCKVT
IL15-Linker		AMKCFLLELQVISLESGDASIHDTVENLII
(SG3-(SG4)3-		LANNSLSSNGNVTESGCKECEELEEKNIK
SG3-SLQ (SEQ		EFLQSFVHIVQMFINTSSGGGSGGGGSGG
ID NO: 2730))-		GGSGGGGSGGGSLQITCPPPMSVEHADI
IL15Ra-		WVKSYSLYSRERYICNSGFKRKAGTSSL
BamHI (GS)-		TECVLNKATNVAHWTTPSLKCIRDPALV
stop)		HQRPAPPSTVTTAGVTPQPESLSPSGKEP
		AASSPSSNNTAATTAAIVPGSQLMPSKSP
		STGTTEISSHESSHGTPSQTTAKNWELTA
		SASHQPPGVYPQGHSDTTVAISTSTVLLC
		GLSAVSLLACYLKSRQTPPLASVEMEAM
		EALPVTWGTSSRDEDLENCSHHLGS*
OT-IL15-110	EF1a	MDWTWILFLVAAATRVHSDYKDDDDK	2843	5506
(IgE leader-		NWVNVISDLKKIEDLIQSMHIDATLYTES
FLAG-IL15-		DVHPSCKVTAMKCFLLELQVISLESGDA
Linker (SG3-		SIHDTVENLIILANNSLSSNGNVTESGCK
(SG4)3-SG3-		ECEELEEKNIKEFLQSFVHIVQMFINTSSG
SLQ (SEQ ID		GGSGGGGSGGGGSGGGGSGGGSLQYPY
NO: 2730))-		DVPDYAITCPPPMSVEHADIWVKSYSLY
HA Tag-		SRERYICNSGFKRKAGTSSLTECVLNKAT
IL15Ra-		NVAHWTTPSLKCIRDPALVHQRPAPPST
BamHI (GS)-		VTTAGVTPQPESLSPSGKEPAASSPSSNN
stop)		TAATTAAIVPGSQLMPSKSPSTGTTEISSH
		ESSHGTPSQTTAKNWELTASASHQPPGV
		YPQGHSDTTVAISTSTVLLCGLSAVSLLA
		CYLKSRQTPPLASVEMEAMEALPVTWG
		TSSRDEDLENCSHHLGS*
OT-IL15-114	EF1a	MDWTWILFLVAAATRVHSDYKDDDDK	2844	5507
(IgE leader-		NWVNVISDLKKIEDLIQSMHIDATLYTES
FLAG-IL15-		DVHPSCKVTAMKCFLLELQVISLESGDA
Linker (SG3-		SIHDTVENLIILANNSLSSNGNVTESGCK
(SG4)3-SG3-		ECEELEEKNIKEFLQSFVHIVQMFINTSSG
SLQ (SEQ ID		GGSGGGGSGGGGSGGGGSGGGSLQYPY
NO: 2730))-		DVPDYAITCPPPMSVEHADIWVKSYSLY
HA Tag-		SRERYICNSGFKRKAGTSSLTECVLNKAT
IL15Ra-Linker		NVAHWTTPSLKCIRDPALVHQRPAPPST
(GSG)-hDHFR		VTTAGVTPQPESLSPSGKEPAASSPSSNN
(Amino acid 2-		TAATTAAIVPGSQLMPSKSPSTGTTEISSH
187 of WT;		ESSHGTPSQTTAKNWELTASASHQPPGV
K185E)-stop)		YPQGHSDTTVAISTSTVLLCGLSAVSLLA
		CYLKSRQTPPLASVEMEAMEALPVTWG
		TSSRDEDLENCSHHLGSGVGSLNCIVAV
		SQNMGIGKNGDLPWPPLRNEFRYFQRM
		TTTSSVEGKQNLVIMGKKTWFSIPEKNR
		PLKGRINLVLSRELKEPPQGAHFLSRSLD
		DALKLTEQPELANKVDMVWIVGGSSVY
		KEAMNHPGHLKLFVTRIMQDFESDTFFP
		EIDLEKYKLLPEYPGVLSDVQEEKGIKYK
		FEVYEEND*
OT-IL15-115	EF1a	MDWTWILFLVAAATRVHSDYKDDDDK	2845	5508
(IgE leader-		NWVNVISDLKKIEDLIQSMHIDATLYTES
FLAG-IL15-		DVHPSCKVTAMKCFLLELQVISLESGDA
Linker (SG3-		SIHDTVENLIILANNSLSSNGNVTESGCK
(SG4)3-SG3-		ECEELEEKNIKEFLQSFVHIVQMFINTSSG
SLQ (SEQ ID		GGSGGGGSGGGGSGGGGSGGGSLQYPY
NO: 2730))-		DVPDYAITCPPPMSVEHADIWVKSYSLY
HA Tag-		SRERYICNSGFKRKAGTSSLIECVLNKAT
IL15Ra-Linker		NVAHWTTPSLKCIRDPALVHQRPAPPST
(GSG)-		VTTAGVTPQPESLSPSGKEPAASSPSSNN
hDHFR (Amino		TAATTAAIVPGSQLMPSKSPSTGTTEISSH
acid 2-187 of		ESSHGTPSQTTAKNWELTASASHQPPGV
WT; E162G,		YPQGHSDTTVAISTSTVLLCGLSAVSLLA
I176F)-stop)		CYLKSRQTPPLASVEMEAMEALPVTWG
		TSSRDEDLENCSHHLGSGVGSLNCIVAV
		SQNMGIGKNGDLPWPPLRNEFRYFQRM
		TTTSSVEGKQNLVIMGKKTWFSIPEKNR
		PLKGRINLVLSRELKEPPQGAHFLSRSLD
		DALKLTEQPELANKVDMVWIVGGSSVY
		KEAMNHPGHLKLFVTRIMQDFESDTFFP
		EIDLEKYKLLPGYPGVLSDVQEEKGFKY
		KFEVYEKND*
OT-IL15-116	EF1a	MDWTWILFLVAAATRVHSDYKDDDDK	2846	5509
(IgE leader-		NWVNVISDLKKIEDLIQSMHIDATLYTES
FLAG-IL15-		DVHPSCKVTAMKCFLLELQVISLESGDA
Linker (SG3-		SIHDTVENLIILANNSLSSNGNVTESGCK
(SG4)3-SG3-		ECEELEEKNIKEFLQSFVHIVQMFINTSSG
SLQ (SEQ ID		GGSGGGGSGGGGSGGGGSGGGSLQYPY
NO: 2730))-		DVPDYAITCPPPMSVEHADIWVKSYSLY
HA Tag-		SRERYICNSGFKRKAGTSSLTECVLNKAT
IL15Ra-Linker		NVAHWTTPSLKCIRDPALVHQRPAPPST
(GSG)-		VTTAGVTPQPESLSPSGKEPAASSPSSNN
hDHFR (Amino		TAATTAAIVPGSQLMPSKSPSTGTTEISSH
acid 2-187 of		ESSHGTPSQTTAKNWELTASASHQPPGV
WT; H131R,		YPQGHSDTTVAISTSTVLLCGLSAVSLLA
E144G)-stop)		CYLKSRQTPPLASVEMEAMEALPVTWG
		TSSRDEDLENCSHHLGSGVGSLNCIVAV
		SQNMGIGKNGDLPWPPLRNEFRYFQRM
		TTTSSVEGKQNLVIMGKKTWFSIPEKNR
		PLKGRINLVLSRELKEPPQGAHFLSRSLD
		DALKLTEQPELANKVDMVWIVGGSSVY
		KEAMNHPGRLKLFVTRIMQDFESDTFFP
		EIDLEKYKLLPEYPGVLSDVQEEKGIKYK
		FEVYEKND*
OT-IL15-117	EF1a	MDWTWILFLVAAATRVHSDYKDDDDK	2847	5510
(IgE leader-		NWVNVISDLKKIEDLIQSMHIDATLYTES
FLAG-IL15-		DVHPSCKVTAMKCFLLELQVISLESGDA
Linker (SG3-		SIHDTVENLIILANNSLSSNGNVTESGCK
(SG4)3-SG3-		ECEELEEKNIKEFLQSFVHIVQMFINTSSG
SLQ (SEQ ID		GGSGGGGSGGGGSGGGGSGGGSLQYPY
NO: 2730))-		DVPDYAITCPPPMSVEHADIWVKSYSLY
HA Tag-		SRERYICNSGFKRKAGTSSLTECVLNKAT
IL15Ra-Linker		NVAHWTTPSLKCIRDPALVHQRPAPPST
(GSG)-		VTTAGVTPQPESLSPSGKEPAASSPSSNN
hDHFR(Amino		TAATTAAIVPGSQLMPSKSPSTGTTEISSH
acid 2-187 of		ESSHGTPSQTTAKNWELTASASHQPPGV
WT; I17V)-		YPQGHSDTTVAISTSTVLLCGLSAVSLLA
stop)		CYLKSRQTPPLASVEMEAMEALPVTWG
		TSSRDEDLENCSHHLGSGVGSLNCIVAV
		SQNMGVGKNGDLPWPPLRNEFRYFQRM
		TTTSSVEGKQNLVIMGKKTWFSIPEKNR
		PLKGRINLVLSRELKEPPQGAHFLSRSLD
		DALKLTEQPELANKVDMVWIVGGSSVY
		KEAMNHPGHLKLFVTRIMQDFESDTFFP
		EIDLEKYKLLPEYPGVLSDVQEEKGIKYK
		FEVYEKND*
OT-IL15-118	EF1a	MDWTWILFLVAAATRVHSDYKDDDDK	2848	5511
(IgE leader-		NWVNVISDLKKIEDLIQSMHIDATLYTES
FLAG-IL15-		DVHPSCKVTAMKCFLLELQVISLESGDA
Linker (SG3-		SIHDTVENLIILANNSLSSNGNVTESGCK
(SG4)3-SG3-		ECEELEEKNIKEFLQSFVHIVQMFINTSSG
SLQ (SEQ ID		GGSGGGGSGGGGSGGGGSGGGSLQYPY
NO: 2730))-		DVPDYAITCPPPMSVEHADIWVKSYSLY
HA Tag-		SRERYICNSGFKRKAGTSSLTECVLNKAT
IL15Ra-Linker		NVAHWTTPSLKCIRDPALVHQRPAPPST
(GSG)-		VTTAGVTPQPESLSPSGKEPAASSPSSNN
hDHFR (Amino		TAATTAAIVPGSQLMPSKSPSTGTTEISSH
acid 2-187 of		ESSHGTPSQTTAKNWELTASASHQPPGV
WT, N127Y)-		YPQGHSDTTVAISTSTVLLCGLSAVSLLA
stop)		CYLKSRQTPPLASVEMEAMEALPVTWG
		TSSRDEDLENCSHHLGSGVGSLNCIVAV
		SQNMGIGKNGDLPWPPLRNEFRYFQRM
		TTTSSVEGKQNLVIMGKKTWFSIPEKNR
		PLKGRINLVLSRELKEPPQGAHFLSRSLD
		DALKLTEQPELANKVDMVWIVGGSSVY
		KEAMYHPGHLKLFVTRIMQDFESDTFFP
		EIDLEKYKLLPEYPGVLSDVQEEKGIKYK
		FEVYEKND*
OT-IL15-119	EF1a	MDWTWILFLVAAATRVHSDYKDDDDK	2849	5512
(IgE leader-		NWVNVISDLKKIEDLIQSMHIDATLYTES
FLAG-IL15-		DVHPSCKVTAMKCFLLELQVISLESGDA
Linker (SG3-		SIHDTVENLIILANNSLSSNGNVTESGCK
(SG4)3-SG3-		ECEELEEKNIKEFLQSFVHIVQMFINTSSG
SLQ (SEQ ID		GGSGGGGSGGGGSGGGGSGGGSLQYPY
NO: 2730))-		DVPDYAITCPPPMSVEHADIWVKSYSLY
HA Tag-		SRERYICNSGFKRKAGTSSLTECVLNKAT
IL15Ra-Linker		NVAHWTTPSLKCIRDPALVHQRPAPPST
(GSG)-		VTTAGVTPQPESLSPSGKEPAASSPSSNN
hDHFR (Amino		TAATTAAIVPGSQLMPSKSPSTGTTEISSH
acid 2-187 of		ESSHGTPSQTTAKNWELTASASHQPPGV
WT, I17V,		YPQGHSDTTVAISTSTVLLCGLSAVSLLA
Y122I)-stop)		CYLKSRQTPPLASVEMEAMEALPVTWG
		TSSRDEDLENCSHHLGSGVGSLNCIVAV
		SQNMGVGKNGDLPWPPLRNEFRYFQRM
		TTTSSVEGKQNLVIMGKKTWFSIPEKNR
		PLKGRINLVLSRELKEPPQGAHFLSRSLD
		DALKLTEQPELANKVDMVWIVGGSSVIK
		EAMNHPGHLKLFVTRIMQDFESDTFFPEI
		DLEKYKLLPEYPGVLSDVQEEKGIKYKF
		EVYEKND*
OT-IL15-128	EF1a	MDWTWILFLVAAATRVHSNWVNVISDL	2850	5513
(IgE leader-		KKIEDLIQSMHIDATLYTESDVHPSCKVT
IL15-Linker		AMKCFLLELQVISLESGDASIHDTVENLII
(SG3-(SG4)3-		LANNSLSSNGNVTESGCKECEELEEKNIK
SG3-SLQ (SEQ		EFLQSFVHIVQMFINTSSGGGSGGGGSGG
ID NO: 2730))-		GGSGGGGSGGGSLQITCPPPMSVEHADI
IL15Ra-Spacer-		WVKSYSLYSRERYICNSGFKRKAGTSSL
Flagx3-		TECVLNKATNVAHWTTPSLKCIRDPALV
Spacer-BamHI		HQRPAPPSTVTTAGVTPQPESLSPSGKEP
(GS)-P2A		AASSPSSNNTAATTAAIVPGSQLMPSKSP
cleavable		STGTTEISSHESSHGTPSQTTAKNWELTA
peptide-		SASHQPPGVYPQGHSDTTVAISTSTVLLC
mCherry		GLSAVSLLACYLKSRQTPPLASVEMEAM
(M1L)-stop)		EALPVTWGTSSRDEDLENCSHHLSRMD
		YKDDDDKDYKDDDDKDYKDDDDKSRG
		SGATNFSLLKQAGDVEENPGPLSKGEED
		NMAIIKEFMRFKVHMEGSVNGHEFEIEG
		EGEGRPYEGTQTAKLKVTKGGPLPFAW
		DILSPQFMYGSKAYVKHPADIPDYLKLSF
		PEGFKWERVMNFEDGGVVTVTQDSSLQ
		DGEFIYKVKLRGTNFPSDGPVMQKKTM
		GWEASSERMYPEDGALKGEIKQRLKLK
		DGGHYDAEVKTTYKAKKPVQLPGAYN
		VNIKLDITSHNEDYTIVEQYERAEGRHST
		GGMDELYK*
OT-IL15-129	EF1a	MDWTWILFLVAAATRVHSNWVNVISDL	2851	5514
(IgE leader-		KKIEDLIQSMHIDATLYTESDVHPSCKVT
IL15-Linker		AMKCFLLELQVISLESGDASIHDTVENLII
(SG3-(SG4)3-		LANNSLSSNGNVTESGCKECEELEEKNIK
SG3-SLQ (SEQ		EFLQSFVHIVQMFINTSSGGGSGGGGSGG
ID NO: 2730))-		GGSGGGGSGGGSLQITCPPPMSVEHADI
1L15Ra-BamHI		WVKSYSLYSRERYICNSGFKRKAGTSSL
(GS)-P2A		TECVLNKATNVAHWTTPSLKCIRDPALV
cleavable		HQRPAPPSTVTTAGVTPQPESLSPSGKEP
peptide-		AASSPSSNNTAATTAAIVPGSQLMPSKSP
mCherry		STGTTEISSHESSHGTPSQTTAKNWELTA
(M1L)-stop)		SASHQPPGVYPQGHSDTTVAISTSTVLLC
		GLSAVSLLACYLKSRQTPPLASVEMEAM
		EALPVTWGTSSRDEDLENCSHHLGSGAT
		NFSLLKQAGDVEENPGPLSKGEEDNMAI
		IKEFMRFKVHMEGSVNGHEFEIEGEGEG
		RPYEGTQTAKLKVTKGGPLPFAWDILSP
		QFMYGSKAYVKHPADIPDYLKLSFPEGF
		KWERVMNFEDGGVVTVTQDSSLQDGEF
		IYKVKLRGTNFPSDGPVMQKKTMGWEA
		SSERMYPEDGALKGEIKQRLKLKDGGH
		YDAEVKTTYKAKKPVQLPGAYNVNIKL
		DITSHNEDYTIVEQYERAEGRHSTGGMD
		ELYK*

TABLE 30 — IL15/IL15Ra constructs Amino

				Acid	Nucleic Acid
Construct	Sequence			SEQ ID	SEQ ID NO/
Description	Description	Promoter	Amino acid sequences	NO	Sequence
OT-IL15-	Full	EF1a	MDWTWILFLVAAATRVHSN	2852-	5515
122 (IgE	construct		WVNVISDLKKIEDLIQSMHID	2867
leader-			ATLYTESDVHPSCKVTAMKC
IL15-			FLLELQVISLESGDASIHDTVE
linker (GS)-			NLIILANNSLSSNGNVTESGC
hDHFR			KECEELEEKNIKEFLQSFVHIV
(Amino acid			QMFINTSGSVGSLNCIVAVSQ
2-187 of			NMGIGKNGDLPWPPLRNEFR
WT, Y122I)-			YFQRMTTTSSVEGKQNLVIM
stop-			GKKTWFSIPEKNRPLKGRINL
spacer-			VLSRELKEPPQGAHFLSRSLD
IRES-			DALKLTEQPELANKVDMVWI
spacer-			VGGSSVIKEAMNHPGHLKLF
mCherry-			VTRIMQDFESDTFFPEIDLEKY
stop)			KLLPEYPGVLSDVQEEKGIKY
			KFEVYEKNDSRYDSLEIPPL
			SLPPP*RYWPKPLGIRPVCVC
			LYVIFHHIAVFWQCEGPETWP
			CLLDEHS*GSFPSRQRNARSV
			ECREGSSSSGSFLKTNNVCSD
			PLQAAEPPTWRQVPLRPKAT
			CIRYTCKGGTTPVPRCELDSC
			GKSQMALLKRIQQGAEGCPE
			GTPLYGI*SGASVHMLYMCL
			VEVKKTSRPPEPRGRGFPLKN
			TMIIWPQP**ARARRITWPSSR
			SSCASRCTWRAP*TATSSRSR
			ARARAAPTRAPRPPSRPRV
			APCPSPGTSCPLSSCTAPRPT*
			STPPTSPTTSCPSPRASSGSA
			TSRTAAWP*PRTPPCRTASS
			STRSCAAPTSPPTAPCRRRP
			WAGRPPPSGCTPRTAP*RARS
			SRGSRTAATTTLRSRPPTRP
			RSPCSCPAPTTSTSSWTSPPTT
			RTTPSWNSTNAPRAATPPAA
			WTSCTS
	IgE leader-	—	MDWTWILFLVAAATRVHSN	2868	5516
	IL15-		WVNVISDLKKIEDLIQSMHID
	linker (GS)-		ATLYTESDVHPSCKVTAMKC
	hDHFR		FLLELQVISLESGDASIHDTVE
	(Amino acid		NLIILANNSLSSNGNVTESGC
	2-187 of		KECEELEEKNIKEFLQSFVHIV
	WT, Y122I)-		QMFINTSGSVGSLNCIVAVSQ
	stop		NMGIGKNGDLPWPPLRNEFR
			YFQRMTTTSSVEGKQNLVIM
			GKKTWFSIPEKNRPLKGRINL
			VLSRELKEPPQGAHFLSRSLD
			DALKLTEQPELANKVDMVWI
			VGGSSVIKEAMNHPGHLKLF
			VTRIMQDFESDTFFPEIDLEKY
			KLLPEYPGVLSDVQEEKGIKY
			KFEVYEKND*
	mCherry-	—	MSKGEEDNMAIIKEFMRFKV	2869	5517
	stop		HMEGSVNGHEFEIEGEGEGRP
			YEGTQTAKLKVTKGGPLPFA
			WDILSPQFMYGSKAYVKHPA
			DIPDYLKLSFPEGFKWERVM
			NFEDGGVVTVTQDSSLQDGE
			FIYKVKLRGTNFPSDGPVMQ
			KKTMGWEASSERMYPEDGA
			LKGEIKQRLKLKDGGHYDAE
			VKTTYKAKKPVQLPGAYNV
			NIKLDITSHNEDYTIVEQYER
			AEGRHSTGGMDELYK*
OT-IL15-	Full	EF1a	MDWTWILFLVAAATRVHSN	2870-	5518
123 and OT-	construct		WVNVISDLKKIEDLIQSMHID	2879
IL15-			ATLYTESDVHPSCKVTAMKC
127(IgE			FLLELQVISLESGDASIHDTVE
leader-			NLIILANNSLSSNGNVTESGC
IL15-			KECEELEEKNIKEFLQSFVHIV
BamHI (GS)-			QMFINTSGSNLDNTTHRSR
stop-			PSPSPPPNVTGRSRLE*GRCAF
spacer-			VYMLFSTILPSFGNVRARKPG
IRES-			PVFLTSIPRGLSPLAKGMQGL
spacer-			LNVVKEAVPLEAS*RQTTSVA
mCherry-			TLCRQRNPPPGDRCLCGQKP
stop)			RV*DTPAKAAQPQCHVVSWI
			VVERVKWLSSSVFNKGLKDA
			QKVPHCMGSDLGPRCTCFTC
			VSRLKKRLGPPNHGDVVFL
			KTR*YGHNHDEQGRGGHG
			HHQGVHALQGAHGGLRERP
			RVRDRGRGRGPPLRGHPDRQ
			AEGDQGWPPALRLGHPVPSV
			HVRLQGLREAPRRHPRLLEA
			VLPRGLQVGARDELRGRRRG
			DRDPGLLPAGRRVHLQGEAA
			RHQLPLRRPRNAEEDHGLGG
			LLRADVPRGRRPEGRDQAEA
			EAEGRRPLRR*GQDHLQGQE
			ARAAARRLQRQHQVGHHLP
			QRGLHHRGTVRTRRGPPLHR
			RHGRAVQV
	IgE leader-	—	MDWTWILFLVAAATRVHSN	2880	5519
	IL15-		WVNVISDLKKIEDLIQSMHID
	BamHI (GS)-		ATLYTESDVHPSCKVTAMKC
	stop		FLLELQVISLESGDASIHDTVE
			NLIILANNSLSSNGNVTESGC
			KECEELEEKNIKEFLQSFVHIV
			QMFINTSGS*
	mCherry-	—	MSKGEEDNMAIIKEFMRFKV	2881	5520
	stop		HMEGSVNGHEFEIEGEGEGRP
			YEGTQTAKLKVTKGGPLPFA
			WDILSPQFMYGSKAYVKHPA
			DIPDYLKLSFPEGFKWERVM
			NFEDGGVVTVTQDSSLQDGE
			FIYKVKLRGTNFPSDGPVMQ
			KKTMGWEASSERMYPEDGA
			LKGEIKQRLKLKDGGHYDAE
			VKTTYKAKKPVQLPGAYNV
			NIKLDITSHNEDYTIVEQYER
			AEGRHSTGGMDELYK*

TABLE 31 — IL15/IL15Ra construct regions Amino

		Acid	Nucleic Acid
		SEQ ID	SEQ ID NO/
Description	Amino acid sequences	NO	Sequence
IgE leader	MDWTWILFLVAAATRVHS	2802	5419-5421
IL15RA	MAPRRARGCRTLGLPALLLLLLLRPPATRG	2882	5521
Leader
Linker	SGGGSGGGGSGGGGSGGGGSGGGSLQ	2883	5522-5526
(SG3-
(SG4)3-
SG3-SLQ)
Linker	SGGGS	2884	5527-5529
(SG3S)
Linker	SGGGSGGGGSGGGGSGGGGSGGGGSGGGGSGGGS	2885	5530
(SG3(SG4)5
SG3S)
Linker	SGGGSGGGGSGGGGSGGGGS	2886	5531
Linker	GS	—	GGTTCC
Linker	SG	—	AGCGGC
Linker	GSG	—	GGATCCGGA
			or
			GGATCCGGT
Spacer	—	—	5532-5534,
			TCGCGAATG
			or TCGCA
CD8a Hinge	TTTPAPRPPTPAPTIASQPLSLRPEACRPAAGGAVHTRG	2887	5535
	LDFACDIYIWAPLAGTCGVLLLSLVITLYC
IL15	NWVNVISDLKKIEDLIQSMHIDATLYTESDVHPSCKVT	718	5434-5436
	AMKCFLLELQVISLESGDASIHDTVENLIILANNSLSSN		(each include
	GNV1ESGCKECEELEEKNIKEFLQSFVHIVQMFINTS*		the stop codon
			at the end),
			5437-5439
IL15Ra	ITCPPPMSVEHADIWVKSYSLYSRERYICNSGFKRKAG	724	5536 (includes
	TSSLTECVLNKATNVAHWTTPSLKCIRDPALVHQRPAP		the stop codon
	PSTVTTAGVTPQPESLSPSGKEPAASSPSSNNTAATTAA		at the end),
	IVPGSQLMPSKSPSTGTTEISSHESSHGTPSQTTAKNWE		5537-5540
	LTASASHQPPGVYPQGHSDTTVAISTSTVLLCGLSAVSL
	LACYLKSRQTPPLASVEMEAMEALPVTWGTSSRDEDL
	ENCSHHL*
IL15Ra (31-	ITCPPPMSVEHADIWVKSYSLYSRERYICNSGFKRKAG	725	5541
205 of	TSSLTECVLNKATNVAHWTTPSLKCIRDPALVHQRPAP
Uniprot ID:	PSTVTTAGVTPQPESLSPSGKEPAASSPSSNNTAATTAA
Q13261.1)	IVPGSQLMPSKSPSTGTTEISSHESSHGTPSQTTAKNWE
	LTASASHQPPGVYPQGHSDTT
mCherry	MSKGEEDNMAIIKEFMRFKVHMEGSVNGHEFEIEGEG	2888	5542
	EGRPYEGTQTAKLKVTKGGPLPFAWDILSPQFMYGSK
	AYVKHPADIPDYLKLSFPEGFKWERVMNFEDGGVVTV
	TQDSSLQDGEFIYKVKLRGTNFPSDGPVMQKKTMGWE
	ASSERMYPEDGALKGEIKQRLKLKDGGHYDAEVKTTY
	KAKKPVQLPGAYNVNIKLDITSHNEDYTIVEQYERAEG
	RHSTGGMDELYK*
mCherry	LSKGEEDNMAIIKEFMRFKVHMEGSVNGHEFEIEGEGE	2807	5432
(M1L)	GRPYEGTQTAKLKVTKGGPLPFAWDILSPQFMYGSKA
	YVKHPADIPDYLKLSFPEGFKWERVMNFEDGGVVTVT
	QDSSLQDGEFIYKVKLRGTNFPSDGPVMQKKTMGWEA
	SSERMYPEDGALKGEIKQRLKLKDGGHYDAEVKTTYK
	AKKPVQLPGAYNVNIKLDITSHNEDYTIVEQYERAEGR
	HSTGGMDELYK
HA Tag	YPYDVPDYA	2805	5429-5430
Flag	DYKDDDDK	2744	5543
BamHI	GS	—	GGATCC
P2A	GATNFSLLKQAGDVEENPGP	2806	5431
Cleavable
Peptide
ecDHFR	ISLIAALAVDYVIGMENAMPWNLPADLAWFKRNTLNK	2808	5440-5442
(Amino acid	PVIMGRHTWESIGRPLPGRKNIILSSQPGTDDRVTWVKS		(inlcudes stop
2-159 of	VDEAIAACGDVPEIMVIGGGRVIEQFLPKAQKLYLTHID		codon)
WT; R12Y,	AEVEGDTHFPDYEPDDWESVFSEFHDADAQNSHSYCF
Y100I)	EILERR*
ecDHFR	ISLIAALAVDHVIGMENAMPWNLPADLAWFKRNTLNK	2889	5544 (includes
(Amino acid	PVIMGRHTWESIGRPLPGRKNIILSSQPGTDDRVTWVKS		stop codon),
2-159 of	VDEAIAACGDVPEIMVIGGGRVYEQFLPKAQKLYLTHI		5545
WT; R12H,	DAEVEGDTHFPDYKPDDWESVFSEFHDADAQNSHSYC
E129K)	FEILERR*
FKBP	GVQVETISPGDGRTFPKRGQTCVVHYTGMLGDGKKVD	2890	5546-5549
(E31G,	SSRDRNKPFKFMLGKQEVIRGWEEGVAQMSVGQGAK		(each includes
F36V,	LTISPDYAYGATGHPGIIPPHATLVFDVELLELE*		stop codon)
R71G,
K105E)
hDHFR	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRM	2891	5550-5552
(Amino acid	TTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLS		(includes stop
2-187 of	RELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVW		codon)
WT; Y122I,	IVGGSSVIKEFMNHPGHLKLFVTRIMQDFESDTFFPEID
A125F)	LEKYKLLPEYPGVLSDVQEEKGIKYKFEVYEKND*
hDHFR	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFFRM	2892	5553-5555
(Amino acid	TTTSSVEGKQNLVIMGKKTWFSIPEKFRPLKGRINLVLS		(includes stop
2-187 of	RELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVW		codon)
WT; Q36F,	IVGGSSVIKEAMNHPGHLKLFVTRIMQDFESDTFFPEID
N65F,	LEKYKLLPEYPGVLSDVQEEKGIKYKFEVYEKND*
Y122I)
hDHFR	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRM	2893	5556
(Amino acid	TTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLS
2-187 of	RELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVW
WT;	IVGGSSVYKEAMNHPGHLKLFVTRIMQDFESDTFFPEID
K185E)	LEKYKLLPEYPGVLSDVQEEKGIKYKFEVYEEND*
hDHFR	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRM	2894	5557 (includes
(Amino acid	TTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLS		stop codon),
2-187 of	RELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVW		5558
WT; E162G,	IVGGSSVYKEAMNHPGHLKLFVTRIMQDFESDTFFPEID
I176F)	LEKYKLLPGYPGVLSDVQEEKGFKYKFEVYEKND*
hDHFR	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRM	2895	5559
(Amino acid	TTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLS
2-187 of	RELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVW
WT;	IVGGSSVYKEAMYHPGHLKLFVTRIMQDFESDTFFPEID
N127Y)	LEKYKLLPEYPGVLSDVQEEKGIKYKFEVYEKND
hDHFR	VGSLNCIVAVSQNMGVGKNGDLPWPPLRNEFRYFQR	2896	5560
(Amino acid	MTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLV
2-187 of	LSRELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMV
WT; I17V)	WIVGGSSVYKEAMNHPGHLKLFVTRIMQDFESDTFFPE
	IDLEKYKLLPEYPGVLSDVQEEKGIKYKFEVYEKND
hDHFR	VGSLNCIVAVSQNMGVGKNGDLPWPPLRNEFRYFQR	2897	5561
(Amino acid	MTTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLV
2-187 of	LSRELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMV
WT; I17V,	WIVGGSSVIKEAMNHPGHLKLFVTRIMQDFESDTFFPEI
Y122I)	DLEKYKLLPEYPGVLSDVQEEKGIKYKFEVYEKND
hDHFR	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRM	2898	5562
(Amino acid	TTTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLS
2-187 of	RELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVW
WT;	IVGGSSVYKEAMNHPGRLKLFVTRIMQDFGSDTFFPEI
H131R,	DLEKYKLLPEYPGVLSDVQEEKGIKYKFEVYEKND
E144G)

TABLE 32 — IL15/IL15Ra constructs Amino

			Acid	Nucleic Acid
			SEQ ID	SEQ ID NO/
Description	Promoter	Amino acid sequences	NO	Sequence
OT-IL15-	EF1a	MDWTWILFLVAAATRVHSNWVNVISDLKKIE	2899	5563
006 (IgE		DLIQSMHIDATLYTESDVHPSCKVTAMKCFLL
signal		ELQVISLESGDASIHDTVENLIILANNSLSSNG
sequence;		NVTESGCKECEELEEKNIKEFLQSFVHIVQMFI
IL15;		NTSSGGGSGGGGSGGGGSGGGGSGGGSLQIT
linker1		CPPPMSVEHADIWVKSYSLYSRERYICNSGFK
(SG3-		RKAGTSSLTECVLNKATNVAHWTTPSLKCIR
(SG4)5-		DPALVHQRPAPPSTVTTAGVTPQPESLSPSGK
SG3S (SEQ		EPAASSPSSNNTAATTAAIVPGSQLMPSKSPST
ID NO:		GTTEISSHESSHGTPSQTTAKNWELTASASHQ
3087));		PPGVYPQGHSDTTVAISTSTVLLCGLSAVSLL
IL15Ra;		ACYLKSRQTPPLASVEMEAMEALPVTWGTSS
1inker2		RDEDLENCSHHLSGISLIAALAVDHVIGMENA
(GGSGG		MPWNLPADLAWFKRNTLNKPVIMGRHTWES
(SEQ ID		IGRPLPGRKNIILSSQPGTDDRVTWVKSVDEAI
NO: 2729));		AACGDVPEIMVIGGGRVYEQFLPKAQKLYLT
ecDHFR		HIDAEVEGDTHFPDYKPDDWESVFSEFHDAD
(R12H,		AQNSHSYCFEILERR*
E129K))
OT-IL15-	EF1a	MDWTWILFLVAAATRVHSNWVNVISDLKKIE	2900	5564
007 (IgE		DLIQSMHIDATLYTESDVHPSCKVTAMKCFLL
signal		ELQVISLESGDASIHDTVENLIILANNSLSSNG
sequence;		NVTESGCKECEELEEKNIKEFLQSFVHIVQMFI
IL15;		NTSSGGGSGGGGSGGGGSGGGGSGGGSLQIT
linker1		CPPPMSVEHADIWVKSYSLYSRERYICNSGFK
(SG3-		RKAGTSSLTECVLNKATNVAHWTTPSLKCIR
(SG4)5-		DPALVHQRPAPPSTVTTAGVTPQPESLSPSGK
SG3S (SEQ		EPAASSPSSNNTAATTAAIVPGSQLMPSKSPST
ID NO:		GTTEISSHESSHGTPSQTTAKNWELTASASHQ
3087));		PPGVYPQGHSDTTVAISTSTVLLCGLSAVSLL
IL15Ra;		ACYLKSRQTPPLASVEMEAMEALPVTWGTSS
1inker2		RDEDLENCSHHLSGGVQVETISPGDGRTFPKR
(GGSGG		GQTCVVHYTGMLGDGKKVDSSRDRNKPFKF
(SEQ ID		MLGKQEVIRGWEEGVAQMSVGQGAKLTISPD
NO: 2729));		YAYGATGHPGIIPPHATLVFDVELLELE*
FKBP
(E31G, F36V,
R71G,
K105E))
OT-IL15-	EF1a	MDWTWILFLVAAATRVHSNWVNVISDLKKIE	2901	5565
008 (IgE		DLIQSMHIDATLYTESDVHPSCKVTAMKCFLL
signal		ELQVISLESGDASIHDTVENLIILANNSLSSNG
sequence-		NVTESGCKECEELEEKNIKEFLQSFVHIVQMFI
IL15-linker		NTSSGGGSGGGGSGGGGSGGGGSGGGSLQIT
(SG3-		CPPPMSVEHADIWVKSYSLYSRERYICNSGFK
(SG4)3-		RKAGTSSLTECVLNKATNVAHWTTPSLKCIR
SG3-SLQ		DPALVHQRPAPPSTVTTAGVTPQPESLSPSGK
(SEQ ID		EPAASSPSSNNTAATTAAIVPGSQLMPSKSPST
NO: 2730))-		GTTEISSHESSHGTPSQTTAKNWELTASASHQ
IL15Ra-		PPGVYPQGHSDTTVAISTSTVLLCGLSAVSLL
stop)		ACYLKSRQTPPLASVEMEAMEALPVTWGTSS
		RDEDLENCSHHL*
OT-IL15-	EF1a	MDWTWILFLVAAATRVHSNWVNVISDLKKIE	2902	5566
009 (IgE		DLIQSMHIDATLYTESDVHPSCKVTAMKCFLL
signal		ELQVISLESGDASIHDTVENLIILANNSLSSNG
sequence-		NVTESGCKECEELEEKNIKEFLQSFVHIVQMFI
IL15-linker		NTSSGGGSGGGGSGGGGSGGGGSGGGSLQIT
(SG3-		CPPPMSVEHADIWVKSYSLYSRERYICNSGFK
(SG4)3-		RKAGTSSLTECVLNKATNVAHWTTPSLKCIR
SG3-SLQ		DPALVHQRPAPPSTVTTAGVTPQPESLSPSGK
(SEQ ID		EPAASSPSSNNTAATTAAIVPGSQLMPSKSPST
NO: 2730))-		GTTEISSHESSHGTPSQTTAKNWELTASASHQ
IL15Ra-		PPGVYPQGHSDTTVAISTSTVLLCGLSAVSLL
linker (SG)-		ACYLKSRQTPPLASVEMEAMEALPVTWGTSS
ecDHFR		RDEDLENCSHHLSGISLIAALAVDYVIGMENA
(Amino acid		MPWNLPADLAWFKRNTLNKPVIMGRHTWES
2-159 of		IGRPLPGRKNIILSSQPGTDDRVTWVKSVDEA1
WT; R12Y,		AACGDVPEIMVIGGGRVIEQFLPKAQKLYLTH
Y100I)-		IDAEVEGDTHFPDYEPDDWESVFSEFHDADA
stop)		QNSHSYCFEILERR*
OT-IL15-	EF1a	MDWTWILFLVAAATRVHSNWVNVISDLKKIE	2903	5567
010 (IgE		DLIQSMHIDATLYTESDVHPSCKVTAMKCFLL
signal		ELQVISLESGDASIHDTVENLIILANNSLSSNG
sequence-		NVTESGCKECEELEEKNIKEFLQSFVHIVQMFI
IL15-linker		NTSSGGGSGGGGSGGGGSGGGGSGGGSLQIT
(SG3-		CPPPMSVEHADIWVKSYSLYSRERYICNSGFK
(SG4)3-		RKAGTSSLTECVLNKATNVAHWTTPSLKCIR
SG3-SLQ		DPALVHQRPAPPSTVTTAGVTPQPESLSPSGK
(SEQ ID		EPAASSPSSNNTAATTAAIVPGSQLMPSKSPST
NO: 2730))-		GTTEISSHESSHGTPSQTTAKNWELTASASHQ
IL15Ra-		PPGVYPQGHSDTTVAISTSTVLLCGLSAVSLL
linker (SG)-		ACYLKSRQTPPLASVEMEAMEALPVTWGTSS
hDHFR		RDEDLENCSHHLSGVGSLNCIVAVSQNMGIG
(Y122I,		KNGDLPWPPLRNEFRYFQRMTTTSSVEGKQN
A125F)-		LVIMGKKTWFSIPEKNRPLKGRINLVLSRELK
stop)		EPPQGAHFLSRSLDDALKLTEQPELANKVDM
		VWIVGGSSVIKEFMNHPGHLKLFVTRIMQDFE
		SDTFFPEIDLEKYKLLPEYPGVLSDVQEEKGIK
		YKFEVYEKND*
OT-IL15-	EF1a	MDWTWILFLVAAATRVHSNWVNVISDLKKIE	2904	5568
011 (IgE		DLIQSMHIDATLYTESDVHPSCKVTAMKCFLL
signal		ELQVISLESGDASIHDTVENLIILANNSLSSNG
sequence-		NVTESGCKECEELEEKNIKEFLQSFVHIVQMFI
IL15-linker		NTSSGGGSGGGGSGGGGSGGGGSGGGSLQIT
(SG3-		CPPPMSVEHADIWVKSYSLYSRERYICNSGFK
(SG4)3-		RKAGTSSLTECVLNKATNVAHWTTPSLKCIR
SG3-SLQ		DPALVHQRPAPPSTVTTAGVTPQPESLSPSGK
(SEQ ID		EPAASSPSSNNTAATTAAIVPGSQLMPSKSPST
NO: 2730))-		GTTEISSHESSHGTPSQTTAKNWELTASASHQ
IL15Ra;		PPGVYPQGHSDTTVAISTSTVLLCGLSAVSLL
linker (SG)-		ACYLKSRQTPPLASVEMEAMEALPVTWGTSS
hDHFR		RDEDLENCSHHLSGVGSLNCIVAVSQNMGIG
(Amino acid		KNGDLPWPPLRNEFRYFFRMTTTSSVEGKQN
2-187 of		LVIMGKKTWFSIPEKFRPLKGRINLVLSRELKE
WT; Q36F,		PPQGAHFLSRSLDDALKLTEQPELANKVDMV
N65F,		WIVGGSSVIKEAMNHPGHLKLFVTRIMQDFES
Y122I)-		DTFFPEIDLEKYKLLPEYPGVLSDVQEEKGIKY
stop)		KFEVYEKND*
OT-IL15-	EF1a	MDWTWILFLVAAATRVHSNWVNVISDLKKIE	2905	5569
017 (IgE		DLIQSMHIDATLYTESDVHPSCKVTAMKCFLL
signal		ELQVISLESGDASIHDTVENLIILANNSLSSNG
sequence-		NVTESGCKECEELEEKNIKEFLQSFVHIVQMFI
IL15-linker		NTSSGGGSGGGGSGGGGSGGGGSGGGSLQIT
(SG3-		CPPPMSVEHADIWVKSYSLYSRERYICNSGFK
(SG4)3-		RKAGTSSLTECVLNKATNVAHWTTPSLKCIR
SG3-SLQ		DPALVHQRPAPPSTVTTAGVTPQPESLSPSGK
(SEQ ID		EPAASSPSSNNTAATTAAIVPGSQLMPSKSPST
NO: 2730))-		GTTEISSHESSHGTPSQTTAKNWELTASASHQ
IL15Ra-		PPGVYPQGHSDTTVAISTSTVLLCGLSAVSLL
linker (SG)-		ACYLKSRQTPPLASVEMEAMEALPVTWGTSS
hDHFR		RDEDLENCSHHLSGVGSLNCIVAVSQNMGIG
(Amino acid		KNGDLPWPPLRNEFRYFQRMTTTSSVEGKQN
2-187 of		LVIMGKKTWFSIPEKNRPLKGRINLVLSRELK
WT;		EPPQGAHFLSRSLDDALKLTEQPELANKVDM
K185E)-		VWIVGGSSVYKEAMNHPGHLKLFVTRIMQDF
stop)		ESDTFFPEIDLEKYKLLPEYPGVLSDVQEEKGI
		KYKFEVYEEND*
OT-IL15-	EF1a	MDWTWILFLVAAATRVHSNWVNVISDLKKIE	2906	5570
018 (IgE		DLIQSMHIDATLYTESDVHPSCKVTAMKCFLL
signal		ELQVISLESGDASIHDTVENLIILANNSLSSNG
sequence-		NVTESGCKECEELEEKNIKEFLQSFVHIVQMFI
IL15-linker		NTSSGGGSGGGGSGGGGSGGGGSGGGSLQIT
(SG3-		CPPPMSVEHADIWVKSYSLYSRERYICNSGFK
(SG4)3-		RKAGTSSLTECVLNKATNVAHWTTPSLKCIR
SG3-SLQ		DPALVHQRPAPPSTVTTAGVTPQPESLSPSGK
(SEQ ID		EPAASSPSSNNTAATTAAIVPGSQLMPSKSPST
NO: 2730))-		GTTEISSHESSHGTPSQTTAKNWELTASASHQ
IL15Ra-		PPGVYPQGHSDTTVAISTSTVLLCGLSAVSLL
linker (SG)-		ACYLKSRQTPPLASVEMEAMEALPVTWGTSS
hDHFR		RDEDLENCSHHLSGVGSLNCIVAVSQNMGIG
(Amino acid		KNGDLPWPPLRNEFRYFQRMTTTSSVEGKQN
2-187 of		LVIMGKKTWFSIPEKNRPLKGRINLVLSRELK
WT; E162G,		EPPQGAHFLSRSLDDALKLTEQPELANKVDM
I176F)-stop)		VWIVGGSSVYKEAMNHPGHLKLFVTRIMQDF
		ESDTFFPEIDLEKYKLLPGYPGVLSDVQEEKG
		FKYKFEVYEKND*
OT-IL15-	EF1a	MDWTWILFLVAAATRVHSNWVNVISDLKKIE	2907	5571
038 (IgE		DLIQSMHIDATLYTESDVHPSCKVTAMKCFLL
leader-		ELQVISLESGDASIHDTVENLIILANNSLSSNG
IL15-		NVTESGCKECEELEEKNIKEFLQSFVHIVQMFI
Linker		NTSSGGGSGGGGSGGGGSGGGGSGGGSLQIT
(SG3-		CPPPMSVEHADIWVKSYSLYSRERYICNSGFK
(SG4)3-		RKAGTSSLTECVLNKATNVAHWTTPSLKCIR
SG3-SLQ		DPALVHQRPAPPSTVTTAGVTPQPESLSPSGK
(SEQ ID		EPAASSPSSNNTAATTAAIVPGSQLMPSKSPST
NO: 2730))-		GTTEISSHESSHGTPSQTTAKNWELTASASHQ
IL15Ra-		PPGVYPQGHSDTTVAISTSTVLLCGLSAVSLL
Linker (SG)-		ACYLKSRQTPPLASVEMEAMEALPVTWGTSS
hDHFR		RDEDLENCSHHLSGVGSLNCIVAVSQNMGIG
(Amino acid		KNGDLPWPPLRNEFRYFQRMTTTSSVEGKQN
2-187 of		LVIMGKKTWFSIPEKNRPLKGRINLVLSRELK
WT;		EPPQGAHFLSRSLDDALKLTEQPELANKVDM
N127Y)-		VWIVGGSSVYKEAMYHPGHLKLFVTRIMQDF
stop)		ESDTFFPEIDLEKYKLLPEYPGVLSDVQEEKGI
		KYKFEVYEKND*
OT-IL15-	EF1a	MDWTWILFLVAAATRVHSNWVNVISDLKKIE	2908	5572
051 (IgE		DLIQSMHIDATLYTESDVHPSCKVTAMKCFLL
leader-		ELQVISLESGDASIHDTVENLIILANNSLSSNG
IL15-		NVTESGCKECEELEEKNIKEFLQSFVHIVQMFI
Linker		NTSSGGGSGGGGSGGGGSGGGGSGGGSLQYP
(SG3-		YDVPDYAITCPPPMSVEHADIWVKSYSLYSRE
(SG4)3-		RYICNSGFKRKAGTSSLTECVLNKATNVAHW
SG3-SLQ		TTPSLKCIRDPALVHQRPAPPSTVTTAGVTPQP
(SEQ ID		ESLSPSGKEPAASSPSSNNTAATTAAIVPGSQL
NO: 2730))-		MPSKSPSTGTTEISSHESSHGTPSQTTAKNWEL
HA Tag-		TASASHQPPGVYPQGHSDTTVAISTSTVLLCG
IL15Ra-		LSAVSLLACYLKSRQTPPLASVEMEAMEALP
stop)		VTWGTSSRDEDLENCSHHL*
OT-IL15-	EF1a	MDWTWILFLVAAATRVHSNWVNVISDLKKIE	2909	5573
053 (IgE		DLIQSMHIDATLYTESDVHPSCKVTAMKCFLL
leader-		ELQVISLESGDASIHDTVENLIILANNSLSSNG
IL15-		NVTESGCKECEELEEKNIKEFLQSFVHIVQMFI
Linker		NTSSGGGSGGGGSGGGGSGGGGSGGGGSGG
(SG3(SG4)5		GGSGGGSITCPPPMSVEHADIWVKSYSLYSRE
SG3S(SEQ		RYICNSGFKRKAGTSSLTECVLNKATNVAHW
ID NO:		TTPSLKCIRDPALVHQRPAPPSTVTTAGVTPQP
3087))-		ESLSPSGKEPAASSPSSNNTAATTAAIVPGSQL
IL15Ra-		MPSKSPSTGTTEISSHESSHGTPSQTTAKNWEL
Stop)		TASASHQPPGVYPQGHSDTTVAISTSTVLLCG
		LSAVSLLACYLKSRQTPPLASVEMEAMEALP
		VTWGTSSRDEDLENCSHHL*
OT-IL15-	EF1a	MDWTWILFLVAAATRVHSNWVNVISDLKKIE	2910	5574
054 (IgE		DLIQSMHIDATLYTESDVHPSCKVTAMKCFLL
leader-		ELQVISLESGDASIHDTVENLIILANNSLSSNG
IL15-		NVTESGCKECEELEEKNIKEFLQSFVHIVQMFI
Linker		NTSSGGGSGGGGSGGGGSGGGGSYPYDVPDY
(SG3(SG4)3		ASGGGSITCPPPMSVEHADIWVKSYSLYSRER
S(SEQ ID		YICNSGFKRKAGTSSLTECVLNKATNVAHWT
NO: 3088))-		TPSLKCIRDPALVHQRPAPPSTVTTAGVTPQPE
HA Tag-		SLSPSGKEPAASSPSSNNTAATTAAIVPGSQLM
Linker		PSKSPSTGTTEISSHESSHGTPSQTTAKNWELT
(SG3S (SEQ		ASASHQPPGVYPQGHSDTTVAISTSTVLLCGL
ID NO:		SAVSLLACYLKSRQTPPLASVEMEAMEALPV
3089))-		TWGTSSRDEDLENCSHHL*
IL15Ra-
Stop)
OT-IL15-	EF1a	MDWTWILFLVAAATRVHSNWVNVISDLKKIE	2911	5575
055 (IgE		DLIQSMHIDATLYTESDVHPSCKVTAMKCFLL
leader-		ELQVISLESGDASIHDTVENLIILANNSLSSNG
IL15-		NVTESGCKECEELEEKNIKEFLQSFVHIVQMFI
Linker (SG)-		NTSSGITCPPPMSVEHADIWVKSYSLYSRERYI
IL15Ra-		CNSGFKRKAGTSSLTECVLNKATNVAHWTTP
Stop)		SLKCIRDPALVHQRPAPPSTVTTAGVTPQPESL
		SPSGKEPAASSPSSNNTAATTAAIVPGSQLMPS
		KSPSTGTTEISSHESSHGTPSQTTAKNWELTAS
		ASHQPPGVYPQGHSDTTVAISTSTVLLCGLSA
		VSLLACYLKSRQTPPLASVEMEAMEALPVTW
		GTSSRDEDLENCSHHL*
OT-IL15-	EF1a	MAPRRARGCRTLGLPALLLLLLLRPPATRGN	2912	5576
060 (IL15Ra		WVNVISDLKKIEDLIQSMHIDATLYTESDVHP
signal		SCKVTAMKCFLLELQVISLESGDASIHDTVEN
peptide-		LIILANNSLSSNGNVTESGCKECEELEEKNIKE
IL15-		FLQSFVHIVQMFINTSSGGGSGGGGSGGGGSG
Linker		GGGSGGGSLQITCPPPMSVEHADIWVKSYSLY
(SG3-		SRERYICNSGFKRKAGTSSLTECVLNKATNVA
(SG4)3-		HWTTPSLKCIRDPALVHQRPAPPSTVTTAGVT
SG3-SLQ		PQPESLSPSGKEPAASSPSSNNTAATTAAIVPG
(SEQ ID		SQLMPSKSPSTGTTEISSHESSHGTPSQTTAKN
NO: 2730))-		WELTASASHQPPGVYPQGHSDTTVAISTSTVL
IL15Ra-		LCGLSAVSLLACYLKSRQTPPLASVEMEAME
stop)		ALPVTWGTSSRDEDLENCSHHL*
OT-IL15-	EF1a	MDWTWILFLVAAATRVHSNWVNVISDLKKIE	2913	5577
063 (IgE		DLIQSMHIDATLYTESDVHPSCKVTAMKCFLL
leader-IL15-		ELQVISLESGDASIHDTVENLIILANNSLSSNG
Linker		NVTESGCKECEELEEKNIKEFLQSFVHIVQMFI
(SG3-		NTSSGGGSGGGGSGGGGSGGGGSGGGSLQIT
(SG4)3-		CPPPMSVEHADIWVKSYSLYSRERYICNSGFK
SG3-SLQ		RKAGTSSLTECVLNKATNVAHWTTPSLKCIR
(SEQ ID		DPALVHQRPAPPSTVTTAGVTPQPESLSPSGK
NO: 2730))-		EPAASSPSSNNTAATTAAIVPGSQLMPSKSPST
IL15Ra-		GTTEISSHESSHGTPSQTTAKNWELTASASHQ
BamHI (GS)-		PPGVYPQGHSDTTVAISTSTVLLCGLSAVSLL
stop)		ACYLKSRQTPPLASVEMEAMEALPVTWGTSS
		RDEDLENCSHHLGS*
OT-IL15-	EF1a	MDWTWILFLVAAATRVHSNWVNVISDLKKIE	2901	5565
064 and OT-		DLIQSMHIDATLYTESDVHPSCKVTAMKCFLL
IL15-071		ELQVISLESGDASIHDTVENLIILANNSLSSNG
(IgE leader-		NVTESGCKECEELEEKNIKEFLQSFVHIVQMFI
IL15-		NTSSGGGSGGGGSGGGGSGGGGSGGGSLQIT
Linker		CPPPMSVEHADIWVKSYSLYSRERYICNSGFK
(SG3-		RKAGTSSLTECVLNKATNVAHWTTPSLKCIR
(SG4)3-		DPALVHQRPAPPSTVTTAGVTPQPESLSPSGK
SG3-SLQ		EPAASSPSSNNTAATTAAIVPGSQLMPSKSPST
(SEQ ID		GTTEISSHESSHGTPSQTTAKNWELTASASHQ
NO: 2730))-		PPGVYPQGHSDTTVAISTSTVLLCGLSAVSLL
IL15Ra-		ACYLKSRQTPPLASVEMEAMEALPVTWGTSS
stop)		RDEDLENCSHHL*
OT-IL15-	EF1a	MDWTWILFLVAAATRVHSNWVNVISDLKKIE	2902	5566
066 (IgE		DLIQSMHIDATLYTESDVHPSCKVTAMKCFLL
leader-		ELQVISLESGDASIHDTVENLIILANNSLSSNG
IL15-		NVTESGCKECEELEEKNIKEFLQSFVHIVQMFI
Linker		NTSSGGGSGGGGSGGGGSGGGGSGGGSLQIT
(SG3-		CPPPMSVEHADIWVKSYSLYSRERYICNSGFK
(SG4)3-		RKAGTSSLTECVLNKATNVAHWTTPSLKCIR
SG3-SLQ		DPALVHQRPAPPSTVTTAGVTPQPESLSPSGK
(SEQ ID		EPAASSPSSNNTAATTAAIVPGSQLMPSKSPST
NO: 2730))-		GTTEISSHESSHGTPSQTTAKNWELTASASHQ
IL15Ra-		PPGVYPQGHSDTTVAISTSTVLLCGLSAVSLL
Linker (SG)		ACYLKSRQTPPLASVEMEAMEALPVTWGTSS
ecDHFR		RDEDLENCSHHLSGISLIAALAVDYVIGMENA
(Amino acid		MPWNLPADLAWFKRNTLNKPVIMGRHTWES
2-159 of		IGRPLPGRKNIILSSQPGTDDRVTWVKSVDEAI
WT, R12Y,		AACGDVPEIMVIGGGRVIEQFLPKAQKLYLTH
Y100I)-		IDAEVEGDTHFPDYEPDDWESVFSEFHDADA
stop)		QNSHSYCFEILERR*
OT-IL15-	EF1a	MDWTWILFLVAAATRVHSNWVNVISDLKKIE	2914	5578
067 (IgE		DLIQSMHIDATLYTESDVHPSCKVTAMKCFLL
leader-		ELQVISLESGDASIHDTVENLIILANNSLSSNG
IL15-		NVTESGCKECEELEEKNIKEFLQSFVHIVQMFI
Linker		NTSSGGGSGGGGSGGGGSGGGGSGGGSLQIT
(SG3-		CPPPMSVEHADIWVKSYSLYSRERYICNSGFK
(SG4)3-		RKAGTSSLTECVLNKATNVAHWTTPSLKCIR
SG3-SLQ		DPALVHQRPAPPSTVTTAGVTPQPESLSPSGK
(SEQ ID		EPAASSPSSNNTAATTAAIVPGSQLMPSKSPST
NO: 2730))-		GTTEISSHESSHGTPSQTTAKNWELTASASHQ
IL15Ra-		PPGVYPQGHSDTTVAISTSTVLLCGLSAVSLL
Linker (SG)-		ACYLKSRQTPPLASVEMEAMEALPVTWGTSS
ecDHFR		RDEDLENCSHHLSGISLIAALAVDYVIGMENA
(Amino acid		MPWNLPADLAWFKRNTLNKPVIMGRHTWES
2-159 of		IGRPLPGRKNIILSSQPGTDDRVTWVKSVDEAI
WT, R12Y,		AACGDVPEIMVIGGGRVIEQFLPKAQKLYLTH
Y100I)-		IDAEVEGDTHFPDYEPDDWESVFSEFHDADA
stop)		QNSHSYCFEILERR*
OT-IL15-	EF1a	MAPRRARGCRTLGLPALLLLLLLRPPATRGN	2915	5579
068 (IL15Ra		WVNVISDLKKIEDLIQSMHIDATLYTESDVHP
signal		SCKVTAMKCFLLELQVISLESGDASIHDTVEN
peptide-		LIILANNSLSSNGNVTESGCKECEELEEKNIKE
IL15-		FLQSFVHIVQMFINTSSGGGSGGGGSGGGGSG
Linker		GGGSGGGSLQITCPPPMSVEHADIWVKSYSLY
(SG3-		SRERYICNSGFKRKAGTSSLTECVLNKATNVA
(SG4)3-		HWTTPSLKCIRDPALVHQRPAPPSTVTTAGVT
SG3-SLQ		PQPESLSPSGKEPAASSPSSNNTAATTAAIVPG
(SEQ ID		SQLMPSKSPSTGTTEISSHESSHGTPSQTTAKN
NO: 2730))-		WELTASASHQPPGVYPQGHSDTTVAISTSTVL
IL15Ra-		LCGLSAVSLLACYLKSRQTPPLASVEMEAME
stop)		ALPVTWGTSSRDEDLENCSHHL*
OT-IL15-	EF1a	MDWTWILFLVAAATRVHSNWVNVISDLKKIE	2916	5580
069 (IgE		DLIQSMHIDATLYTESDVHPSCKVTAMKCFLL
leader-		ELQVISLESGDASIHDTVENLIILANNSLSSNG
IL15-		NVTESGCKECEELEEKNIKEFLQSFVHIVQMFI
BamHI (GS)-		NTSGSITCPPPMSVEHADIWVKSYSLYSRERYI
IL15Ra-		CNSGFKRKAGTSSLTECVLNKATNVAHWTTP
stop)		SLKCIRDPALVHQRPAPPSTVTTAGVTPQPESL
		SPSGKEPAASSPSSNNTAATTAAIVPGSQLMPS
		KSPSTGTTEISSHESSHGTPSQTTAKNWELTAS
		ASHQPPGVYPQGHSDTTVAISTSTVLLCGLSA
		VSLLACYLKSRQTPPLASVEMEAMEALPVTW
		GTSSRDEDLENCSHHL*
OT-IL15-	EF1a	MAPRRARGCRTLGLPALLLLLLLRPPATRGN	2915	5581
070 (IL15Ra		WVNVISDLKKIEDLIQSMHIDATLYTESDVHP
signal		SCKVTAMKCFLLELQVISLESGDASIHDTVEN
peptide-		LIILANNSLSSNGNVTESGCKECEELEEKNIKE
IL15-		FLQSFVHIVQMFINTSSGGGSGGGGSGGGGSG
Linker		GGGSGGGSLQITCPPPMSVEHADIWVKSYSLY
(SG3-		SRERYICNSGFKRKAGTSSLTECVLNKATNVA
(SG4)3-		HWTTPSLKCIRDPALVHQRPAPPSTVTTAGVT
SG3-SLQ		PQPESLSPSGKEPAASSPSSNNTAATTAAIVPG
(SEQ ID		SQLMPSKSPSTGTTEISSHESSHGTPSQTTAKN
NO: 2730))-		WELTASASHQPPGVYPQGHSDTTVAISTSTVL
IL15Ra-		LCGLSAVSLLACYLKSRQTPPLASVEMEAME
stop)		ALPVTWGTSSRDEDLENCSHHL*
OT-IL15-	EF1a	MDWTWILFLVAAATRVHSNWVNVISDLKKIE	2901	5582
072 (IgE		DLIQSMHIDATLYTESDVHPSCKVTAMKCFLL
leader-IL15-		ELQVISLESGDASIHDTVENLIILANNSLSSNG
Linker		NVTESGCKECEELEEKNIKEFLQSFVHIVQMFI
(SG3-		NTSSGGGSGGGGSGGGGSGGGGSGGGSLQIT
(SG4)3-		CPPPMSVEHADIWVKSYSLYSRERYICNSGFK
SG3-SLQ		RKAGTSSLTECVLNKATNVAHWTTPSLKCIR
(SEQ ID		DPALVHQRPAPPSTVTTAGVTPQPESLSPSGK
NO: 2730))-		EPAASSPSSNNTAATTAAIVPGSQLMPSKSPST
IL15Ra-		GTTEISSHESSHGTPSQTTAKNWELTASASHQ
stop)		PPGVYPQGHSDTTVAISTSTVLLCGLSAVSLL
		ACYLKSRQTPPLASVEMEAMEALPVTWGTSS
		RDEDLENCSHHL*
OT-IL15-	EF1a	MDWTWILFLVAAATRVHSDYKDDDDKNWV	2917	5583
089 (IgE		NVISDLKKIEDLIQSMHIDATLYTESDVHPSCK
leader-		VTAMKCFLLELQVISLESGDASIHDTVENLIIL
FLAG-		ANNSLSSNGNVTESGCKECEELEEKNIKEFLQ
IL15-		SFVHIVQMFINTSSGGGSGGGGSGGGGSGGG
Linker		GSGGGSLQYPYDVPDYAITCPPPMSVEHADI
(SG3-		WVKSYSLYSRERYICNSGFKRKAGTSSLTECV
(SG4)3-		LNKATNVAHWTTPSLKCIRDPALVHQRPAPPS
SG3-SLQ		TVTTAGVTPQPESLSPSGKEPAASSPSSNNTAA
(SEQ ID		TTAAIVPGSQLMPSKSPSTGTTEISSHESSHGTP
NO: 2730))-		SQTTAKNWELTASASHQPPGVYPQGHSDTTV
HA Tag-		AISTSTVLLCGLSAVSLLACYLKSRQTPPLASV
IL15Ra-		EMEAMEALPVTWGTSSRDEDLENCSHHLGSG
linker		ISLIAALAVDYVIGMENAMPWNLPADLAWFK
(GSG)		RNTLNKPVIMGRHTWESIGRPLPGRKNIILSSQ
ecDHFR		PGTDDRVTWVKSVDEAIAACGDVPEIMVIGG
(Amino acid		GRVIEQFLPKAQKLYLTHIDAEVEGDTHFPDY
2-159 of		EPDDWESVFSEFHDADAQNSHSYCFEILERR*
WT, R12Y,
Y100I)-
stop)
OT-IL15-	EF1a	MDWTWILFLVAAATRVHSNWVNVISDLKKIE	2913	5577
109 (IgE		DLIQSMHIDATLYTESDVHPSCKVTAMKCFLL
leader-IL15-		ELQVISLESGDASIHDTVENLIILANNSLSSNG
Linker		NVTESGCKECEELEEKNIKEFLQSFVHIVQMFI
(SG3-		NTSSGGGSGGGGSGGGGSGGGGSGGGSLQIT
(SG4)3-		CPPPMSVEHADIWVKSYSLYSRERYICNSGFK
SG3-SLQ		RKAGTSSLTECVLNKATNVAHWTTPSLKCIR
(SEQ ID		DPALVHQRPAPPSTVTTAGVTPQPESLSPSGK
NO: 2730))-		EPAASSPSSNNTAATTAAIVPGSQLMPSKSPST
IL15Ra-		GTTEISSHESSHGTPSQTTAKNWELTASASHQ
BamHI (GS)-		PPGVYPQGHSDTTVAISTSTVLLCGLSAVSLL
stop)		ACYLKSRQTPPLASVEMEAMEALPVTWGTSS
		RDEDLENCSHHLGS*
OT-IL15-	EF1a	MDWTWILFLVAAATRVHSDYKDDDDKNWV	2918	5584
110 (IgE		NVISDLKKIEDLIQSMHIDATLYTESDVHPSCK
leader-		VTAMKCFLLELQVISLESGDASIHDTVENLIIL
FLAG-		ANNSLSSNGNVTESGCKECEELEEKNIKEFLQ
IL15-		SFVHIVQMFINTSSGGGSGGGGSGGGGSGGG
Linker		GSGGGSLQYPYDVPDYAITCPPPMSVEHADI
(SG3-		WVKSYSLYSRERYICNSGFKRKAGTSSLTECV
(SG4)3-		LNKATNVAHWTTPSLKCIRDPALVHQRPAPPS
SG3-SLQ		TVTTAGVTPQPESLSPSGKEPAASSPSSNNTAA
(SEQ ID		TTAAIVPGSQLMPSKSPSTGTTEISSHESSHGTP
NO: 2730))-		SQTTAKNWELTASASHQPPGVYPQGHSDTTV
HA Tag-		AISTSTVLLCGLSAVSLLACYLKSRQTPPLASV
IL15Ra-		EMEAMEALPVTWGTSSRDEDLENCSHHLGS*
BamHI (GS)-
stop)
OT-IL15-	EF1a	MDWTWILFLVAAATRVHSDYKDDDDKNWV	2919	5585
114 (IgE		NVISDLKKIEDLIQSMHIDATLYTESDVHPSCK
leader-		VTAMKCFLLELQVISLESGDASIHDTVENLIIL
FLAG-		ANNSLSSNGNVTESGCKECEELEEKNIKEFLQ
IL15-		SFVHIVQMFINTSSGGGSGGGGSGGGGSGGG
Linker		GSGGGSLQYPYDVPDYAITCPPPMSVEHADI
(SG3-		WVKSYSLYSRERYICNSGFKRKAGTSSLTECV
(SG4)3-		LNKATNVAHWTTPSLKCIRDPALVHQRPAPPS
SG3-SLQ		TVTTAGVTPQPESLSPSGKEPAASSPSSNNTAA
(SEQ ID		TTAAIVPGSQLMPSKSPSTGTTEISSHESSHGTP
NO: 2730))-		SQTTAKNWELTASASHQPPGVYPQGHSDTTV
HA Tag-		AISTSTVLLCGLSAVSLLACYLKSRQTPPLASV
IL15Ra-		EMEAMEALPVTWGTSSRDEDLENCSHHLGSG
Linker		VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEF
(GSG)-		RYFQRMTTTSSVEGKQNLVIMGKKTWFSIPE
hDHFR		KNRPLKGRINLVLSRELKEPPQGAHFLSRSLD
(Amino acid		DALKLTEQPELANKVDMVWIVGGSSVYKEA
2-187 of		MNHPGHLKLFVTRIMQDFESDTFFPEIDLEKY
WT;		KLLPEYPGVLSDVQEEKGIKYKFEVYEEND*
K185E)-
stop)
OT-IL15-	EF1a	MDWTWILFLVAAATRVHSDYKDDDDKNWV	2920	5586
115 (IgE		NVISDLKKIEDLIQSMHIDATLYTESDVHPSCK
leader-		VTAMKCFLLELQVISLESGDASIHDTVENLIIL
FLAG-		ANNSLSSNGNVTESGCKECEELEEKNIKEFLQ
IL15-		SFVHIVQMFINTSSGGGSGGGGSGGGGSGGG
Linker		GSGGGSLQYPYDVPDYAITCPPPMSVEHADI
(SG3-		WVKSYSLYSRERYICNSGFKRKAGTSSLTECV
(SG4)3-		LNKATNVAHWTTPSLKCIRDPALVHQRPAPPS
SG3-SLQ		TVTTAGVTPQPESLSPSGKEPAASSPSSNNTAA
(SEQ ID		TTAAIVPGSQLMPSKSPSTGTTEISSHESSHGTP
NO: 2730))-		SQTTAKNWELTASASHQPPGVYPQGHSDTTV
HA Tag-		AISTSTVLLCGLSAVSLLACYLKSRQTPPLASV
IL15Ra-		EMEAMEALPVTWGTSSRDEDLENCSHHLGSG
Linker		VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEF
(GSG)-		RYFQRMTTTSSVEGKQNLVIMGKKTWFSIPE
hDHFR		KNRPLKGRINLVLSRELKEPPQGAHFLSRSLD
(Amino acid		DALKLTEQPELANKVDMVWIVGGSSVYKEA
2-187 of		MNHPGHLKLFVTRIMQDFESDTFFPEIDLEKY
WT; E162G,		KLLPGYPGVLSDVQEEKGFKYKFEVYEKND*
I176F)-
stop)
OT-IL15-	EF1a	MDWTWILFLVAAATRVHSDYKDDDDKNWV	2921	5587
116 (IgE		NVISDLKKIEDLIQSMHIDATLYTESDVHPSCK
leader-		VTAMKCFLLELQVISLESGDASIHDTVENLIIL
FLAG-		ANNSLSSNGNVTESGCKECEELEEKNIKEFLQ
IL15-		SFVHIVQMFINTSSGGGSGGGGSGGGGSGGG
Linker		GSGGGSLQYPYDVPDYAITCPPPMSVEHADI
(SG3-		WVKSYSLYSRERYICNSGFKRKAGTSSLTECV
(SG4)3-		LNKATNVAHWTTPSLKCIRDPALVHQRPAPPS
SG3-SLQ		TVTTAGVTPQPESLSPSGKEPAASSPSSNNTAA
(SEQ ID		TTAAIVPGSQLMPSKSPSTGTTEISSHESSHGTP
NO: 2730))-		SQTTAKNWELTASASHQPPGVYPQGHSDTTV
HA Tag-		AISTSTVLLCGLSAVSLLACYLKSRQTPPLASV
IL15Ra-		EMEAMEALPVTWGTSSRDEDLENCSHHLGSG
Linker		VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEF
(GSG)-		RYFQRMTTTSSVEGKQNLVIMGKKTWFSIPE
hDHFR		KNRPLKGRINLVLSRELKEPPQGAHFLSRSLD
(Amino acid		DALKLTEQPELANKVDMVWIVGGSSVYKEA
2-187 of		MNHPGRLKLFVTRIMQDFGSDTFFPEIDLEKY
WT;		KLLPEYPGVLSDVQEEKGIKYKFEVYEKND*
H131R,
E144G)-
stop)
OT-IL15-	EF1a	MDWTWILFLVAAATRVHSDYKDDDDKNWV	2922	5588
117 (IgE		NVISDLKKIEDLIQSMHIDATLYTESDVHPSCK
leader-		VTAMKCFLLELQVISLESGDASIHDTVENLIIL
FLAG-		ANNSLSSNGNVTESGCKECEELEEKNIKEFLQ
IL15-		SFVHIVQMFINTSSGGGSGGGGSGGGGSGGG
Linker		GSGGGSLQYPYDVPDYAITCPPPMSVEHADI
(SG3-		WVKSYSLYSRERYICNSGFKRKAGTSSLTECV
(SG4)3-		LNKATNVAHWTTPSLKCIRDPALVHQRPAPPS
SG3-SLQ		TVTTAGVTPQPESLSPSGKEPAASSPSSNNTAA
(SEQ ID		TTAAIVPGSQLMPSKSPSTGTTEISSHESSHGTP
NO: 2730))-		SQTTAKNWELTASASHQPPGVYPQGHSDTTV
HA Tag-		AISTSTVLLCGLSAVSLLACYLKSRQTPPLASV
IL15Ra-		EMEAMEALPVTWGTSSRDEDLENCSHHLGSG
Linker		VGSLNCIVAVSQNMGVGKNGDLPWPPLRNEF
(GSG)-		RYFQRMTTTSSVEGKQNLVIMGKKTWFSIPE
hDHFR(Amino		KNRPLKGRINLVLSRELKEPPQGAHFLSRSLD
acid 2-		DALKLTEQPELANKVDMVWIVGGSSVYKEA
187 of WT;		MNHPGHLKLFVTRIMQDFESDTFFPEIDLEKY
I17V)-		KLLPEYPGVLSDVQEEKGIKYKFEVYEKND*
stop)
OT-IL15-	EF1a	MDWTWILFLVAAATRVHSDYKDDDDKNWV	2923	5589
118 (IgE		NVISDLKKIEDLIQSMHIDATLYTESDVHPSCK
leader-		VTAMKCFLLELQVISLESGDASIHDTVENLIIL
FLAG-		ANNSLSSNGNVTESGCKECEELEEKNIKEFLQ
IL15-		SFVHIVQMFINTSSGGGSGGGGSGGGGSGGG
Linker		GSGGGSLQYPYDVPDYAITCPPPMSVEHADI
(SG3-		WVKSYSLYSRERYICNSGFKRKAGTSSLTECV
(SG4)3-		LNKATNVAHWTTPSLKCIRDPALVHQRPAPPS
SG3-SLQ		TVTTAGVTPQPESLSPSGKEPAASSPSSNNTAA
(SEQ ID		TTAAIVPGSQLMPSKSPSTGTTEISSHESSHGTP
NO: 2730))-		SQTTAKNWELTASASHQPPGVYPQGHSDTTV
HA Tag-		AISTSTVLLCGLSAVSLLACYLKSRQTPPLASV
IL15Ra-		EMEAMEALPVTWGTSSRDEDLENCSHHLGSG
Linker		VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEF
(GSG)-		RYFQRMTTTSSVEGKQNLVIMGKKTWFSIPE
hDHFR		KNRPLKGRINLVLSRELKEPPQGAHFLSRSLD
(Amino acid		DALKLTEQPELANKVDMVWIVGGSSVYKEA
2-187 of		MYHPGHLKLFVTRIMQDFESDTFFPEIDLEKY
WT,		KLLPEYPGVLSDVQEEKGIKYKFEVYEKND*
N127Y)-
stop)
OT-IL15-	EF1a	MDWTWILFLVAAATRVHSDYKDDDDKNWV	2924	5590
119 (IgE		NVISDLKKIEDLIQSMHIDATLYTESDVHPSCK
leader-		VTAMKCFLLELQVISLESGDASIHDTVENLIIL
FLAG-		ANNSLSSNGNVTESGCKECEELEEKNIKEFLQ
IL15-		SFVHIVQMFINTSSGGGSGGGGSGGGGSGGG
Linker		GSGGGSLQYPYDVPDYAITCPPPMSVEHADI
(SG3-		WVKSYSLYSRERYICNSGFKRKAGTSSLTECV
(SG4)3-		LNKATNVAHWTTPSLKCIRDPALVHQRPAPPS
SG3-SLQ		TVTTAGVTPQPESLSPSGKEPAASSPSSNNTAA
(SEQ ID		TTAAIVPGSQLMPSKSPSTGTTEISSHESSHGTP
NO: 2730))-		SQTTAKNWELTASASHQPPGVYPQGHSDTTV
HA Tag-		AISTSTVLLCGLSAVSLLACYLKSRQTPPLASV
IL15Ra-		EMEAMEALPVTWGTSSRDEDLENCSHHLGSG
Linker		VGSLNCIVAVSQNMGVGKNGDLPWPPLRNEF
(GSG)-		RYFQRMTTTSSVEGKQNLVIMGKKTWFSIPE
hDHFR		KNRPLKGRINLVLSRELKEPPQGAHFLSRSLD
(Amino acid		DALKLTEQPELANKVDMVWIVGGSSVIKEAM
2-187 of		NHPGHLKLFVTRIMQDFESDTFFPEIDLEKYK
WT, I17V,		LLPEYPGVLSDVQEEKGIKYKFEVYEKND*
Y122I)-
stop)
OT-IL15-	EF1a	MDWTWILFLVAAATRVHSNWVNVISDLKKIE	2925	5591
128 (IgE		DLIQSMHIDATLYTESDVHPSCKVTAMKCFLL
leader-IL15-		ELQVISLESGDASIHDTVENLIILANNSLSSNG
Linker		NVTESGCKECEELEEKNIKEFLQSFVHIVQMFI
(SG3-		NTSSGGGSGGGGSGGGGSGGGGSGGGSLQIT
(SG4)3-		CPPPMSVEHADIWVKSYSLYSRERYICNSGFK
SG3-SLQ		RKAGTSSLTECVLNKATNVAHWTTPSLKCIR
(SEQ ID		DPALVHQRPAPPSTVTTAGVTPQPESLSPSGK
NO: 2730))-		EPAASSPSSNNTAATTAAIVPGSQLMPSKSPST
IL15Ra-		GTTEISSHESSHGTPSQTTAKNWELTASASHQ
Spacer-		PPGVYPQGHSDTTVAISTSTVLLCGLSAVSLL
Flagx3-		ACYLKSRQTPPLASVEMEAMEALPVTWGTSS
Spacer-		RDEDLENCSHHLSRMDYKDDDDKDYKDDDD
BamHI (GS)-		KDYKDDDDKSRGSGATNFSLLKQAGDVEENP
P2A		GPLSKGEEDNMAIIKEFMRFKVHMEGSVNGH
cleavable		EFEIEGEGEGRPYEGTQTAKLKVTKGGPLPFA
peptide-		WDILSPQFMYGSKAYVKHPADIPDYLKLSFPE
mCherry		GFKWERVMNFEDGGVVTVTQDSSLQDGEFIY
(M1L)-		KVKLRGTNFPSDGPVMQKKTMGWEASSERM
stop)		YPEDGALKGEIKQRLKLKDGGHYDAEVKTTY
		KAKKPVQLPGAYNVNIKLDITSHNEDYTIVEQ
		YERAEGRHSTGGMDELYK*
OT-IL15-	EF1a	MDWTWILFLVAAATRVHSNWVNVISDLKKIE	2926	5592
129 (IgE		DLIQSMHIDATLYTESDVHPSCKVTAMKCFLL
leader-IL15-		ELQVISLESGDASIHDTVENLIILANNSLSSNG
Linker		NVTESGCKECEELEEKNIKEFLQSFVHIVQMFI
(SG3-		NTSSGGGSGGGGSGGGGSGGGGSGGGSLQIT
(SG4)3-		CPPPMSVEHADIWVKSYSLYSRERYICNSGFK
SG3-SLQ		RKAGTSSLTECVLNKATNVAHWTTPSLKCIR
(SEQ ID		DPALVHQRPAPPSTVTTAGVTPQPESLSPSGK
NO: 2730))-		EPAASSPSSNNTAATTAAIVPGSQLMPSKSPST
IL15Ra-		GTTEISSHESSHGTPSQTTAKNWELTASASHQ
BamHI (GS)-		PPGVYPQGHSDTTVAISTSTVLLCGLSAVSLL
P2A		ACYLKSRQTPPLASVEMEAMEALPVTWGTSS
cleavable		RDEDLENCSHHLGSGATNFSLLKQAGDVEEN
peptide		PGPLSKGEEDNMAIIKEFMRFKVHMEGSVNG
mCherry		HEFEIEGEGEGRPYEGTQTAKLKVTKGGPLPF
(M1L)-stop)		AWDILSPQFMYGSKAYVKHPADIPDYLKLSFP
		EGFKWERVMNFEDGGVVTVTQDSSLQDGEFI
		YKVKLRGTNFPSDGPVMQKKTMGWEASSER
		MYPEDGALKGEIKQRLKLKDGGHYDAEVKT
		TYKAKKPVQLPGAYNVNIKLDITSHNEDYTIV
		EQYERAEGRHSTGGMDELYK*

TABLE 33 — IL15/IL15Ra constructs Amino

				Acid	Nucleic Acid
Construct	Sequence			SEQ ID	SEQ ID NO/
Description	Description	Promoter	Amino acid sequences	NO	Sequence
OT-IL15-	Full	EF1a	MDWTWILFLVAAATRVHSN	2927-	5593
122 (IgE	construct		WVNVISDLKKIEDLIQSMHID	2942
leader-			ATLYTESDVHPSCKVTAMKC
IL15-			FLLELQVISLESGDASIHDTVE
linker (GS)-			NLIILANNSLSSNGNVTESGC
hDHFR			KECEELEEKNIKEFLQSFVHIV
(Amino acid			QMFINTSGSVGSLNCIVAVSQ
2-187 of			NMGIGKNGDLPWPPLRNEFR
WT, Y122I)-			YFQRMTTTSSVEGKQNLVIM
stop-			GKKTWFSIPEKNRPLKGRINL
spacer-			VLSRELKEPPQGAHFLSRSLD
IRES-			DALKLTEQPELANKVDMVWI
spacer-			VGGSSVIKEAMNHPGHLKLF
mCherry-			VTRIMQDFESDTFFPEIDLEKY
stop)			KLLPEYPGVLSDVQEEKGIKY
			KFEVYEKNDSRYDSLEIPPL
			SLPPP*RYWPKPLGIRPVCVC
			LYVIFHHIAVFWQCEGPETWP
			CLLDEHS*GSFPSRQRNARSV
			ECREGSSSSGSFLKTNNVCSD
			PLQAAEPPTWRQVPLRPKAT
			CIRYTCKGGTTPVPRCELDSC
			GKSQMALLKRIQQGAEGCPE
			GTPLYGI*SGASVHMLYMCL
			VEVKKTSRPPEPRGRGFPLKN
			TMIIWPQP**ARARRITWPSSR
			SSCASRCTWRAP*TATSSRSR
			ARARAAPTRAPRPPSRPRV
			APCPSPGTSCPLSSCTAPRPT*
			STPPTSPTTSCPSPRASSGSA
			TSRTAAWP*PRTPPCRTASS
			STRSCAAPTSPPTAPCRRRP
			WAGRPPPSGCTPRTAP*RARS
			SRGSRTAATTTLRSRPPTRP
			RSPCSCPAPTTSTSSWTSPPTT
			RTTPSWNSTNAPRAATPPAA
			WTSCTS
	IgE leader-	—	MDWTWILFLVAAATRVHSN	2943	5594
	IL15-		WVNVISDLKKIEDLIQSMHID
	linker(GS)-		ATLYTESDVHPSCKVTAMKC
	hDHFR		FLLELQVISLESGDASIHDTVE
	(Amino acid		NLIILANNSLSSNGNVTESGC
	2-187 of		KECEELEEKNIKEFLQSFVHIV
	WT, Y122I)-		QMFINTSGSVGSLNCIVAVSQ
	stop		NMGIGKNGDLPWPPLRNEFR
			YFQRMTTTSSVEGKQNLVIM
			GKKTWFSIPEKNRPLKGRINL
			VLSRELKEPPQGAHFLSRSLD
			DALKLTEQPELANKVDMVWI
			VGGSSVIKEAMNHPGHLKLF
			VTRIMQDFESDTFFPEIDLEKY
			KLLPEYPGVLSDVQEEKGIKY
			KFEVYEKND*
	mCherry-	—	MSKGEEDNMAIIKEFMRFKV	2944	5595
	stop		HMEGSVNGHEFEIEGEGEGRP
			YEGTQTAKLKVTKGGPLPFA
			WDILSPQFMYGSKAYVKHPA
			DIPDYLKLSFPEGFKWERVM
			NFEDGGVVTVTQDSSLQDGE
			FIYKVKLRGTNFPSDGPVMQ
			KKTMGWEASSERMYPEDGA
			LKGEIKQRLKLKDGGHYDAE
			VKTTYKAKKPVQLPGAYNV
			NIKLDITSHNEDYTIVEQYER
			AEGRHSTGGMDELYK*
OT-IL15-	Full	EF1a	MDWTWILFLVAAATRVHSN	2945-	5596
123 and OT-	construct		WVNVISDLKKIEDLIQSMHID	2954
IL15-			ATLYTESDVHPSCKVTAMKC
127(IgE			FLLELQVISLESGDASIHDTVE
leader-			NLIILANNSLSSNGNVTESGC
IL15-			KECEELEEKNIKEFLQSFVHIV
BamHI (GS)-			QMFINTSGSNLDNTTHRSR
stop-			PSPSPPPNVTGRSRLE*GRCAF
spacer-			VYMLFSTILPSFGNVRARKPG
IRES-			PVFLTSIPRGLSPLAKGMQGL
spacer-			LNVVKEAVPLEAS*RQTTSVA
mCherry-			TLCRQRNPPPGDRCLCGQKP
stop)			RV*DTPAKAAQPQCHVVSWI
			VVERVKWLSSSVFNKGLKDA
			QKVPHCMGSDLGPRCTCFTC
			VSRLKKRLGPPNHGDVVFL
			KTR*YGHNHDEQGRGGHG
			HHQGVHALQGAHGGLRERP
			RVRDRGRGRGPPLRGHPDRQ
			AEGDQGWPPALRLGHPVPSV
			HVRLQGLREAPRRHPRLLEA
			VLPRGLQVGARDELRGRRRG
			DRDPGLLPAGRRVHLQGEAA
			RHQLPLRRPRNAEEDHGLGG
			LLRADVPRGRRPEGRDQAEA
			EAEGRRPLRR*GQDHLQGQE
			ARAAARRLQRQHQVGHHLP
			QRGLHHRGTVRTRRGPPLHR
			RHGRAVQV
	IgE leader-	—	MDWTWILFLVAAATRVHSN	2955	5597
	IL15-		WVNVISDLKKIEDLIQSMHID
	BamHI (GS)-		ATLYTESDVHPSCKVTAMKC
	stop		FLLELQVISLESGDASIHDTVE
			NLIILANNSLSSNGNVTESGC
			KECEELEEKNIKEFLQSFVHIV
			QMFINTSGS*
	mCherry-	—	MSKGEEDNMAIIKEFMRFKV	2944	5595
	stop		HMEGSVNGHEFEIEGEGEGRP
			YEGTQTAKLKVTKGGPLPFA
			WDILSPQFMYGSKAYVKHPA
			DIPDYLKLSFPEGFKWERVM
			NFEDGGVVTVTQDSSLQDGE
			FIYKVKLRGTNFPSDGPVMQ
			KKTMGWEASSERMYPEDGA
			LKGEIKQRLKLKDGGHYDAE
			VKTTYKAKKPVQLPGAYNV
			NIKLDITSHNEDYTIVEQYER
			AEGRHSTGGMDELYK*

TABLE 34 — DD-IL15/IL15Ra construct sequences

Description	Amino acid	Amino Acid	Nucleic Acid
	sequences	SEQ ID NO	SEQ ID NO

TABLE 35 — DD-IL15/IL15Ra constructs

Description	Promoter	Amino acid	Amino Acid	Nucleic Acid
		sequences	SEQ ID NO	SEQ ID NO

TABLE 36 — IL15/IL15Ra constructs

Construct	Sequence	Pro-	Amino	Amino	Nucleic
Description	Description	moter	acid	Acid SEQ	Acid SEQ
			sequences	ID NO	ID NO/
					Sequence

TABLE 37 — hDHFR-IL15/IL15Ra constructs

		Amino	Nucleic
		Acid	Acid
		SEQ ID	SEQ ID
Description	Amino acid sequences	NO	NO
IL2 signal	MYRMQLLSCIALSLALVTNS	2956	5598-
sequence			5601
IgE leader	MDWTWILFLVAAATRVHS	2957	5602
sequence
IL15	NWVNVISDLKKIEDLIQSMHIDATLYTESDVHPSCKVTAMK	2958	5603-
	CFLLELQVISLESGDASIHDTVENLIILANNSLSSNGNVTESGC		5606
	KECEELEEKNIKEFLQSFVHIVQMFINTS*
IL15Ra	ITCPPPMSVEHADIWVKSYSLYSRERYICNSGFKRKAGTSSLT	2959	7679
	ECVLNKATNVAHWTTPSLKCIRDPALVHQRPAPPSTVTTAG		7680
	VTPQPESLSPSGKEPAASSPSSNNTAATTAAIVPGSQLMPSKS
	PSTGTTEISSHESSHGTPSQTTAKNWELTASASHQPPGVYPQ
	GHSDTTVAISTSTVLLCGLSAVSLLACYLKSRQTPPLASVEM
	EAMEALPVTWGTSSRDEDLENCSHHL
Linker	SGGGSGGGGSGGGGSGGGGSGGGSLQ	2960	5607
hDHFR (Amino	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMTTTS	41	5608
acid 2-187 of	SVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSRELKEPP
WT) (Y122I,	QGAHFLSRSLDDALKLTEQPELANKVDMVWIVGGSSVIKEF
A125F)	MNHPGHLKLFVTRIMQDFESDTFFPEIDLEKYKLLPEYPGVL
	SDVQEEKGIKYKFEVYEKND
hDHFR (Amino	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFFRMTTTS	56	5609
acid 2-187 of	SVEGKQNLVIMGKKTWFSIPEKFRPLKGRINLVLSRELKEPP
WT) (Q36F,	QGAHFLSRSLDDALKLTEQPELANKVDMVWIVGGSSVIKEA
N65F, Y122I)	MNHPGHLKLFVTRIMQDFESDTFFPEIDLEKYKLLPEYPGVL
	SDVQEEKGIKYKFEVYEKND
OT-IL15-008	MDWTWILFLVAAATRVHSNWVNVISDLKKIEDLIQSMHIDA	2961	5610
(IgE signal	TLYTESDVHPSCKVTAMKCFLLELQVISLESGDASIHDTVEN
sequence; IL15;	LIILANNSLSSNGNVTESGCKECEELEEKNIKEFLQSFVHIVQ
linker (SG3-	MFINTSSGGGSGGGGSGGGGSGGGGSGGGSLQITCPPPMSVE
(SG4)3-SG3-	HADIWVKSYSLYSRERYICNSGFKRKAGTSSLTECVLNKAT
SLQ (SEQ ID	NVAHWTTPSLKCIRDPALVHQRPAPPSTVTTAGVTPQPESLS
NO: 2730));	PSGKEPAASSPSSNNTAATTAAIVPGSQLMPSKSPSTGTTEISS
IL15Ra; stop)	HESSHGTPSQTTAKNWELTASASHQPPGVYPQGHSDTTVAIS
	TSTVLLCGLSAVSLLACYLKSRQTPPLASVEMEAMEALPVT
	WGTSSRDEDLENCSHHL*
OT-IL15-010	MDWTWILFLVAAATRVHSNWVNVISDLKKIEDLIQSMHIDA	2217	5611
(IgE signal	TLYTESDVHPSCKVTAMKCFLLELQVISLESGDASIHDTVEN
sequence; IL15;	LIILANNSLSSNGNVTESGCKECEELEEKNIKEFLQSFVHIVQ
linker (SG3-	MFINTSSGGGSGGGGSGGGGSGGGGSGGGSLQITCPPPMSVE
(SG4)3-SG3-	HADIWVKSYSLYSRERYICNSGFKRKAGTSSLTECVLNKAT
SLQ (SEQ ID	NVAHWTTPSLKCIRDPALVHQRPAPPSTVTTAGVTPQPESLS
NO: 2730));	PSGKEPAASSPSSNNTAATTAAIVPGSQLMPSKSPSTGTTEISS
IL15Ra; linker	HESSHGTPSQTTAKNWELTASASHQPPGVYPQGHSDTTVAIS
(SG); hDHFR	TSTVLLCGLSAVSLLACYLKSRQTPPLASVEMEAMEALPVT
(Amino acid 2-	WGTSSRDEDLENCSHHLSGVGSLNCIVAVSQNMGIGKNGDL
187 of WT)	PWPPLRNEFRYFQRMTTTSSVEGKQNLVIMGKKTWFSIPEK
(Y122I, A125F);	NRPLKGRINLVLSRELKEPPQGAHFLSRSLDDALKLTEQPEL
stop)	ANKVDMVWIVGGSSVIKEFMNHPGHLKLFVTRIMQDFESDT
	FFPEIDLEKYKLLPEYPGVLSDVQEEKGIKYKFEVYEKND*
OT-IL15-011	MDWTWILFLVAAATRVHSNWVNVISDLKKIEDLIQSMHIDA	2218	5612
(IgE signal	TLYTESDVHPSCKVTAMKCFLLELQVISLESGDASIHDTVEN
sequence; IL15;	LIILANNSLSSNGNVTESGCKECEELEEKNIKEFLQSFVHIVQ
linker (SG3-	MFINTSSGGGSGGGGSGGGGSGGGGSGGGSLQITCPPPMSVE
(SG4)3-SG3-	HADIWVKSYSLYSRERYICNSGFKRKAGTSSLTECVLNKAT
SLQ (SEQ ID	NVAHWTTPSLKCIRDPALVHQRPAPPSTVTTAGVTPQPESLS
NO: 2730));	PSGKEPAASSPSSNNTAATTAAIVPGSQLMPSKSPSTGTTEISS
IL15Ra; linker	HESSHGTPSQTTAKNWELTASASHQPPGVYPQGHSDTTVAIS
(SG); hDHFR	TSTVLLCGLSAVSLLACYLKSRQTPPLASVEMEAMEALPVT
(Amino acid 2-	WGTSSRDEDLENCSHHLSGVGSLNCIVAVSQNMGIGKNGDL
187 of WT)	PWPPLRNEFRYFFRMTTTSSVEGKQNLVIMGKKTWFSIPEKF
(Q36F, N65F,	RPLKGRINLVLSRELKEPPQGAHFLSRSLDDALKLTEQPELA
Y122I); stop)	NKVDMVWIVGGSSVIKEAMNHPGHLKLFVTRIMQDFESDTF
	FPEIDLEKYKLLPEYPGVLSDVQEEKGIKYKFEVYEKND*

TABLE 38 — DD-IL12 constructs

		Amino Acid	Nucleic Acid
Description	Amino Acid Sequence	SEQ ID NO	SEQ ID NO
p40 signal	MCHQQLVISWFSLVFLASPLVA	2219	5614-5622
sequence
Linker	GGGGSGGGGSGGGGS	2962	5623-5628
Modified Furin	ESRRVRRNKRSK	2963	5629-5631
p40	IWELKKDVYVVELDWYPDAPGEMVVLTCDTPEEDGITW	2964	5632-5641
	TLDQSSEVLGSGKTLTIQVKEFGDAGQYTCHKGGEVLS
	HSLLLLHKKEDGIWSTDILKDQKEPKNKTFLRCEAKNY
	SGRFTCWWLTTISTDLTFSVKSSRGSSDPQGVTCGAAT
	LSAERVRGDNKEYEYSVECQEDSACPAAEESLPIEVMV
	DAVHKLKYENYTSSFFIRDIIKPDPPKNLQLKPLKNSR
	QVEVSWEYPDTWSTPHSYFSLTFCVQVQGKSKREKKDR
	VFTDKTSATVICRKNASISVRAQDRYYSSSWSEWASVP
	CS*
p35	RNLPVATPDPGMFPCLHHSQNLLRAVSNMLQKARQTLE	2965	5642
	FYPCTSEEIDHEDITKDKTSTVEACLPLELTKNESCLN
	SRETSFITNGSCLASRKTSFMMALCLSSIYEDLKMYQV
	EFKTMNAKLLMDPKRQIFLDQNMLAVIDELMQALNFNS
	ETVPQKSSLEEPDFYKTKIKLCILLHAFRIRAVTIDRV
	MSYLNAS*
p35 (Amino acid	VATPDPGMFPCLHHSQNLLRAVSNMLQKARQTLEFYPC	2966	5643
5-197 of SEQ ID	TSEEIDHEDITKDKTSTVEACLPLELTKNESCLNSRET
NO. 185)	SFITNGSCLASRKTSFMMALCLSSIYEDLKMYQVEFKT
	MNAKLLMDPKRQIFLDQNMLAVIDELMQALNFNSETVP
	QKSSLEEPDFYKTKIKLCILLHAFRIRAVTIDRVMSYL
	NAS*
hDHFR(Amino	VGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFFRMT	57	5644
acid 2-187 of WT)	TTSSVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLS
(Q36F, Y122I,	RELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVWI
A125F)	VGGSSVIKEFMNHPGHLKLFVTRIMQDFESDTFFPEID
	LEKYKLLPEYPGVLSDVQEEKGIKYKFEVYEKND
OT-IL12-006 (p40	MCHQQLVISWFSLVFLASPLVAIWELKKDVYVVELDWY	2967	5645
signal sequence;	PDAPGEMVVLTCDTPEEDGITWTLDQSSEVLGSGKTLT
p40; linker (G4S)3	IQVKEFGDAGQYTCHKGGEVLSHSLLLLHKKEDGIWST
(SEQ ID NO: 2731);	DILKDQKEPKNKTFLRCEAKNYSGRFTCWWLTTISTDL
p35)	TFSVKSSRGSSDPQGVTCGAATLSAERVRGDNKEYEYS
	VECQEDSACPAAEESLPIEVMVDAVHKLKYENYTSSFF
	IRDIIKPDPPKNLQLKPLKNSRQVEVSWEYPDTWSTPH
	SYFSLTFCVQVQGKSKREKKDRVFTDKTSATVICRKNA
	SISVRAQDRYYSSSWSEWASVPCSGGGGSGGGGSGGGG
	SRNLPVATPDPGMFPCLHHSQNLLRAVSNMLQKARQTL
	EFYPCTSEEIDHEDITKDKTSTVEACLPLELTKNESCL
	NSRETSFITNGSCLASRKTSFMMALCLSSIYEDLKMYQ
	VEFKTMNAKLLMDPKRQIFLDQNMLAVIDELMQALNFN
	SETVPQKSSLEEPDFYKTKIKLCILLHAFRIRAVTIDR
	VMSYLNAS*
OT-IL12-008 (p40	MCHQQLVISWFSLVFLASPLVAVGSLNCIVAVSQNMGI	2968	5646
signal sequence;	GKNGDLPWPPLRNEFRYFFRMTTTSSVEGKQNLVIMGK
DD-hDHFR	KTWFSIPEKNRPLKGRINLVLSRELKEPPQGAHFLSRS
(Amino acid 2-187	LDDALKLTEQPELANKVDMVWIVGGSSVIKEFMNHPGH
of WT) (Q36F,	LKLFVTRIMQDFESDTFFPEIDLEKYKLLPEYPGVLSD
Y122I, A125F);	VQEEKGIKYKFEVYEKNDESRRVRRNKRSKIWELKKDV
furin site	YVVELDWYPDAPGEMVVLTCDTPEEDGITWTLDQSSEV
(ESRRVRRNKRSK	LGSGKTLTIQVKEFGDAGQYTCHKGGEVLSHSLLLLHK
(SEQ ID NO: 2734));	KEDGIWSTDILKDQKEPKNKTFLRCEAKNYSGRFTCWW
p40; linker	LTTISTDLTFSVKSSRGSSDPQGVTCGAATLSAERVRG
(G4S)3 (SEQ ID	DNKEYEYSVECQEDSACPAAEESLPIEVMVDAVHKLKY
NO: 2731); p35)	ENYTSSFFIRDIIKPDPPKNLQLKPLKNSRQVEVSWEY
	PDTWSTPHSYFSLTFCVQVQGKSKREKKDRVFTDKTSA
	TVICRKNASISVRAQDRYYSSSWSEWASVPCSGGGGSG
	GGGSGGGGSRNLPVATPDPGMFPCLHHSQNLLRAVSNM
	LQKARQTLEFYPCTSEEIDHEDITKDKTSTVEACLPLE
	LTKNESCLNSRETSFITNGSCLASRKTSFMMALCLSSI
	YEDLKMYQVEFKTMNAKLLMDPKRQIFLDQNMLAVIDE
	LMQALNFNSETVPQKSSLEEPDFYKTKIKLCILLHAFR
	IRAVTIDRVMSYLNAS

TABLE 39 — DD-Caspase 9 constructs

Description/		Amino Acid	Nucleic Acid
Construct ID	Amino acid sequence	SEQ ID NO.	SEQ ID NO.
Caspase 9	MDEADRRLLRRCRLRLVEELQVDQLWDALLSRELFRPHMIED	2969	5647
	IQRAGSGSRRDQARQLIIDLETRGSQALPLFISCLEDTGQDM
	LASFLRTNRQAAKLSKPTLENLTPVVLRPEIRKPEVLRPETP
	RPVDIGSGGFGDVGALESLRGNADLAYILSMEPCGHCLIINN
	VNFCRESGLRTRTGSNIDCEKLRRRFSSLHFMVEVKGDLTAK
	KMVLALLELAQQDHGALDCCVVVILSHGCQASHLQFPGAVYG
	TDGCPVSVEKIVNIFNGTSCPSLGGKPKLFFIQACGGEQKDH
	GFEVASTSPEDESPGSNPEPDATPFQEGLRTFDQLDAISSLP
	TPSDIFVSYSTFPGFVSWRDPKSGSWYVETLDDIFEQWAHSE
	DLQSLLLRVANAVSVKGIYKQMPGCFNFLRKKLFFKTS*
Caspase 9	DEADRRLLRRCRLRLVEELQVDQLWDALLSRELFRPHMIEDI	2970	5648
(amino acid 2-	QRAGSGSRRDQARQLIIDLETRGSQALPLFISCLEDTGQDML
416 of SEQ ID	ASFLRTNRQAAKLSKPTLENLTPVVLRPEIRKPEVLRPETPR
NO. 412)	PVDIGSGGFGDVGALESLRGNADLAYILSMEPCGHCLIINNV
	NFCRESGLRTRTGSNIDCEKLRRRFSSLHFMVEVKGDLTAKK
	MVLALLELAQQDHGALDCCVVVILSHGCQASHLQFPGAVYGT
	DGCPVSVEKIVNIFNGTSCPSLGGKPKLFFIQACGGEQKDHG
	FEVASTSPEDESPGSNPEPDATPFQEGLRTFDQLDAISSLPT
	PSDIFVSYSTFPGFVSWRDPKSGSWYVETLDDIFEQWAHSED
	LQSLLLRVANAVSVKGIYKQMPGCFNFLRKKLFFKTS*
Linker	SGGGS	2971	5649
hDHFR	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMTTTS	11	5650
(Y122I)	SVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSRELKEPP
	QGAHFLSRSLDDALKLTEQPELANKVDMVWIVGGSSVIKEAM
	NHPGHLKLFVTRIMQDFESDTFFPEIDLEKYKLLPEYPGVLS
	DVQEEKGIKYKFEVYEKND
hDHFR	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMTTTS	27	5651
(V75F, Y122I)	SVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLFLSRELKEPP
	QGAHFLSRSLDDALKLTEQPELANKVDMVWIVGGSSVIKEAM
	NHPGHLKLFVTRIMQDFESDTFFPEIDLEKYKLLPEYPGVLS
	DVQEEKGIKYKFEVYEKND
hDHFR	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMTTTS	20	5652
(L94A, T147A)	SVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSRELKEPP
	QGAHFLSRSADDALKLTEQPELANKVDMVWIVGGSSVYKEAM
	NHPGHLKLFVTRIMQDFESDAFFPEIDLEKYKLLPEYPGVLS
	DVQEEKGIKYKFEVYEKND
OT-CASP9-003	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMTTTS	2972	5653
(hDHFR(Y122	SVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSRELKEPP
I); linker	QGAHFLSRSLDDALKLTEQPELANKVDMVWIVGGSSVIKEAM
(SGGGS (SEQ	NHPGHLKLFVTRIMQDFESDTFFPEIDLEKYKLLPEYPGVLS
ID NO: 3089));	DVQEEKGIKYKFEVYEKNDSGGGSDEADRRLLRRCRLRLVEE
Caspase 9;	LQVDQLWDALLSRELFRPHMIEDIQRAGSGSRRDQARQLIID
stop)	LETRGSQALPLFISCLEDTGQDMLASFLRTNRQAAKLSKPTL
	ENLTPVVLRPEIRKPEVLRPETPRPVDIGSGGFGDVGALESL
	RGNADLAYILSMEPCGHCLIINNVNFCRESGLRTRTGSNIDC
	EKLRRRFSSLHFMVEVKGDLTAKKMVLALLELAQQDHGALDC
	CVVVILSHGCQASHLQFPGAVYGTDGCPVSVEKIVNIFNGTS
	CPSLGGKPKLFFIQACGGEQKDHGFEVASTSPEDESPGSNPE
	PDATPFQEGLRTFDQLDAISSLPTPSDIFVSYSTFPGFVSWR
	DPKSGSWYVETLDDIFEQWAHSEDLQSLLLRVANAVSVKGIY
	KQMPGCFNFLRKKLFFKTS*
OT-CASP9-	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMTTTS	2973	5654
004 (hDHFR	SVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLFLSRELKEPP
(V75F,	QGAHFLSRSLDDALKLTEQPELANKVDMVWIVGGSSVIKEAM
Y122I); linker	NHPGHLKLFVTRIMQDFESDTFFPEIDLEKYKLLPEYPGVLS
(SGGGS (SEQ	DVQEEKGIKYKFEVYEKNDSGGGSDEADRRLLRRCRLRLVEE
ID NO: 3089));	LQVDQLWDALLSRELFRPHMIEDIQRAGSGSRRDQARQLIID
Caspase 9;	LETRGSQALPLFISCLEDTGQDMLASFLRTNRQAAKLSKPTL
stop)	ENLTPVVLRPEIRKPEVLRPETPRPVDIGSGGFGDVGALESL
	RGNADLAYILSMEPCGHCLIINNVNFCRESGLRTRTGSNIDC
	EKLRRRFSSLHFMVEVKGDLTAKKMVLALLELAQQDHGALDC
	CVVVILSHGCQASHLQFPGAVYGTDGCPVSVEKIVNIFNGTS
	CPSLGGKPKLFFIQACGGEQKDHGFEVASTSPEDESPGSNPE
	PDATPFQEGLRTFDQLDAISSLPTPSDIFVSYSTFPGFVSWR
	DPKSGSWYVETLDDIFEQWAHSEDLQSLLLRVANAVSVKGIY
	KQMPGCFNFLRKKLFFKTS*
OT-CASP9-	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMTTTS	2974	5655
005 (hDHFR	SVEGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSRELKEPP
(L94A,	QGAHFLSRSADDALKLTEQPELANKVDMVWIVGGSSVYKEAM
T147A); linker	NHPGHLKLFVTRIMQDFESDAFFPEIDLEKYKLLPEYPGVLS
(SGGGS (SEQ	DVQEEKGIKYKFEVYEKNDSGGGSDEADRRLLRRCRLRLVEE
ID NO: 3089));	LQVDQLWDALLSRELFRPHMIEDIQRAGSGSRRDQARQLIID
Caspase 9;	LETRGSQALPLFISCLEDTGQDMLASFLRTNRQAAKLSKPTL
stop)	ENLTPVVLRPEIRKPEVLRPETPRPVDIGSGGFGDVGALESL
	RGNADLAYILSMEPCGHCLIINNVNFCRESGLRTRTGSNIDC
	EKLRRRFSSLHFMVEVKGDLTAKKMVLALLELAQQDHGALDC
	CVVVILSHGCQASHLQFPGAVYGTDGCPVSVEKIVNIFNGTS
	CPSLGGKPKLFFIQACGGEQKDHGFEVASTSPEDESPGSNPE
	PDATPFQEGLRTFDQLDAISSLPTPSDIFVSYSTFPGFVSWR
	DPKSGSWYVETLDDIFEQWAHSEDLQSLLLRVANAVSVKGIY
	KQMPGCFNFLRKKLFFKTS*

TABLE 40 — DD-Caspase 9 constructs Nucleic Acid

Description		Amino Acid	SEQ ID NO./
Construct ID	Amino acid sequence	SEQ ID NO.	Sequence
Caspase 9	DEADRRLLRRCRLRLVEELQVDQLWDALLSRELFRPHMIEDIQR	2742	5660, 5661
	AGSGSRRDQARQLIIDLETRGSQALPLFISCLEDTGQDMLASFL
	RTNRQAAKLSKPTLENLTPVVLRPEIRKPEVLRPETPRPVDIGS
	GGFGDVGALESLRGNADLAYILSMEPCGHCLIINNVNFCRESGL
	RTRTGSNIDCEKLRRRFSSLHFMVEVKGDLTAKKMVLALLELAQ
	QDHGALDCCVVVILSHGCQASHLQFPGAVYGTDGCPVSVEKIVN
	IFNGTSCPSLGGKPKLFFIQACGGEQKDHGFEVASTSPEDESPG
	SNPEPDATPFQEGLRTFDQLDAISSLPTPSDIFVSYSTFPGFVS
	WRDPKSGSWYVETLDDIFEQWAHSEDLQSLLLRVANAVSVKGIY
	KQMPGCFNFLRKKLFFKTS
Caspase delta	GVDGFGDVGALESLRGNADLAYILSMEPCGHCLIINNVNFCRES	2975	5662
CD	GLRTRTGSNIDCEKLRRRFSSLHFMVEVKGDLTAKKMVLALLEL
	ARQDHGALDCCVVVILSHGCQASHLQFPGAVYGTDGCPVSVEKI
	VNIFNGTSCPSLGGKPKLFFIQACGGEQKDHGFEVASTSPEDES
	PGSNPEPDATPFQEGLRTFDQLDAISSLPTPSDIFVSYSTFPGF
	VSWRDPKSGSWYVETLDDIFEQWAHSEDLQSLLLRVANAVSVKG
	IYKQMPGCFNFLRKKLFFKTS
Linker	VDYPYDVPDYALD	2976	5663
Linker	SGGGS	2977	5664, 5665,
			5666
Linker	QLIGMLQGLMRDL	3082	5667
Linker	SG	—
FKBP (F36V,	GVQVETISPGDGRTFPKRGQTCVVHYTGMLEDGKKVDSSRDRNK	2778	5668,
L106P)	PFKFMLGKQEVIRGWEEGVAQMSVGQRAKLTISPDYAYGATGHP		5669-5673
	GIIPPHATLVFDVELLKPE
FKBP (F36V)	GVQVETISPGDGRTFPKRGQTCVVHYTGMLEDGKKVDSSRDRNK	2978	5674
	PFKFMLGKQEVIRGWEEGVAQMSVGQRAKLTISPDYAYGATGHP
	GIIPPHATLVFDVELLKLE
FKBP (E31G,	GVQVETISPGDGRTFPKRGQTCVVHYTGMLGDGKKVDSSRDRNK	2775	5675,
F36V, R71G,	PFKFMLGKQEVIRGWEEGVAQMSVGQGAKLTISPDYAYGATGHP		5676-5682
K105E)	GIIPPHATLVFDVELLELE
ecDHFR	MISLIAALAVDYVIGMENAMPWNLPADLAWFKRNTLNKPVIMGR	2979	5683
(R12Y, Y100I)	HTWESIGRPLPGRKNIILSSQPGTDDRVTWVKSVDEAIAACGDV
	PEIMVIGGGRVIEQFLPKAQKLYLTHIDAEVEGDTHFPDYEPDD
	WESVFSEFHDADAQNSHSYCFEILERR
ecDHFR	ISLIAALAVDYVIGMENAMPWNLPADLAWFKRNTLNKPVIMGRH	2980	5684
(Amino acid 2-	TWESIGRPLPGRKNIILSSQPGTDDRVTWVKSVDEAIAACGDVP
159 of WT)	EIMVIGGGRVYEQFLPKAQKLYLTHIDAEVEGDTHFPDYKPDDW
(R12Y, E129K)	ESVFSEFHDADAQNSHSYCFEILERR
ecDHFR	ISLIAALAVDYVIGMENAMPWNLPADLAWFKRNTLNKPVIMGRH	2774	5685,
(Amino acid 2-	TWESIGRPLPGRKNIILSSQPGTDDRVTWVKSVDEAIAACGDVP		5686-5691
159 of WT)	EIMVIGGGRVIEQFLPKAQKLYLTHIDAEVEGDTHFPDYEPDDW
R12Y, Y100I)	ESVFSEFHDADAQNSHSYCFEILERR
hDHFR	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMTTTSSV	2981	5692
(Y122I)	EGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSRELKEPPQGAH
	FLSRSLDDALKLTEQPELANKVDMVWIVGGSSVIKEAMNHPGHL
	KLFVTRIMQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEKGI
	KYKFEVYEKND
hDHFR	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMTTTSSV	2982	5693
(V75F, Y122I)	EGKQNLVIMGKKTWFSIPEKNRPLKGRINLFLSRELKEPPQGAH
	FLSRSLDDALKLTEQPELANKVDMVWIVGGSSVIKEAMNHPGHL
	KLFVTRIMQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEKGI
	KYKFEVYEKND
hDHFR	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMTTTSSV	2983	5694
(L94A, T147A)	EGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSRELKEPPQGAH
	FLSRSADDALKLTEQPELANKVDMVWIVGGSSVYKEAMNHPGHL
	KLFVTRIMQDFESDAFFPEIDLEKYKLLPEYPGVLSDVQEEKGI
	KYKFEVYEKND
OT-CASP9-	MGVQVETISPGDGRTFPKRGQTCVVHYTGMLEDGKKVDSSRDRN	1149	5695
001 (Met-	KPFKFMLGKQEVIRGWEEGVAQMSVGQRAKLTISPDYAYGATGH
FKBP (F36V,	PGIIPPHATLVFDVELLKPESGGGSDEADRRLLRRCRLRLVEEL
L106P)-	QVDQLWDALLSRELFRPHMIEDIQRAGSGSRRDQARQLIIDLET
Linker	RGSQALPLFISCLEDTGQDMLASFLRTNRQAAKLSKPTLENLTP
(SGGGS (SEQ	VVLRPEIRKPEVLRPETPRPVDIGSGGFGDVGALESLRGNADLA
ID NO: 3089))	YILSMEPCGHCLIINNVNFCRESGLRTRTGSNIDCEKLRRRFSS
-Caspase 9-	LHFMVEVKGDLTAKKMVLALLELAQQDHGALDCCVVVILSHGCQ
stop)	ASHLQFPGAVYGTDGCPVSVEKIVNIFNGTSCPSLGGKPKLFFI
	QACGGEQKDHGFEVASTSPEDESPGSNPEPDATPFQEGLRTFDQ
	LDAISSLPTPSDIFVSYSTFPGFVSWRDPKSGSWYVETLDDIFE
	QWAHSEDLQSLLLRVANAVSVKGIYKQMPGCFNFLRKKLFFKTS
	*
OT-CASP9-	MISLIAALAVDYVIGMENAMPWNLPADLAWFKRNTLNKPVIMGR	1150	5696
002 (ecDHFR	HTWESIGRPLPGRKNIILSSQPGTDDRVTWVKSVDEAIAACGDV
(R12Y, Y100I)	PEIMVIGGGRVIEQFLPKAQKLYLTHIDAEVEGDTHFPDYEPDD
-Linker	WESVFSEFHDADAQNSHSYCFEILERRSGGGSDEADRRLLRRCR
(SGGGS (SEQ	LRLVEELQVDQLWDALLSRELFRPHMIEDIQRAGSGSRRDQARQ
ID NO: 3089))	LIIDLETRGSQALPLFISCLEDTGQDMLASFLRTNRQAAKLSKP
-Caspase 9-	TLENLTPVVLRPEIRKPEVLRPETPRPVDIGSGGFGDVGALESL
stop)	RGNADLAYILSMEPCGHCLIINNVNFCRESGLRTRTGSNIDCEK
	LRRRFSSLHFMVEVKGDLTAKKMVLALLELAQQDHGALDCCVVV
	ILSHGCQASHLQFPGAVYGTDGCPVSVEKIVNIFNGTSCPSLGG
	KPKLFFIQACGGEQKDHGFEVASTSPEDESPGSNPEPDATPFQE
	GLRTFDQLDAISSLPTPSDIFVSYSTFPGFVSWRDPKSGSWYVE
	TLDDIFEQWAHSEDLQSLLLRVANAVSVKGIYKQMPGCFNFLRK
	KLFFKTS*
OT-CASP9-	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMTTTSSV	1151	5697
003 (hDHFR	EGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSRELKEPPQGAH
(Y122I)-	FLSRSLDDALKLTEQPELANKVDMVWIVGGSSVIKEAMNHPGHL
Linker	KLFVTRIMQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEKGI
(SGGGS (SEQ	KYKFEVYEKNDSGGGSDEADRRLLRRCRLRLVEELQVDQLWDAL
ID NO: 3089))	LSRELFRPHMIEDIQRAGSGSRRDQARQLIIDLETRGSQALPLF
-Caspase 9-	ISCLEDTGQDMLASFLRTNRQAAKLSKPTLENLTPVVLRPEIRK
stop)	PEVLRPETPRPVDIGSGGFGDVGALESLRGNADLAYILSMEPCG
	HCLIINNVNFCRESGLRTRTGSNIDCEKLRRRFSSLHFMVEVKG
	DLTAKKMVLALLELAQQDHGALDCCVVVILSHGCQASHLQFPGA
	VYGTDGCPVSVEKIVNIFNGTSCPSLGGKPKLFFIQACGGEQKD
	HGFEVASTSPEDESPGSNPEPDATPFQEGLRTFDQLDAISSLPT
	PSDIFVSYSTFPGFVSWRDPKSGSWYVETLDDIFEQWAHSEDLQ
	SLLLRVANAVSVKGIYKQMPGCFNFLRKKLFFKTS*
OT-CASP9-	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMTTTSSV	1152	5698
004 (hDHFR	EGKQNLVIMGKKTWFSIPEKNRPLKGRINLFLSRELKEPPQGAH
(V75F, Y122I)	FLSRSLDDALKLTEQPELANKVDMVWIVGGSSVIKEAMNHPGHL
-Linker	KLFVTRIMQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEKGI
(SGGGS (SEQ	KYKFEVYEKNDSGGGSDEADRRLLRRCRLRLVEELQVDQLWDAL
ID NO: 3089))	LSRELFRPHMIEDIQRAGSGSRRDQARQLIIDLETRGSQALPLF
-Caspase 9-	ISCLEDTGQDMLASFLRTNRQAAKLSKPTLENLTPVVLRPEIRK
stop)	PEVLRPETPRPVDIGSGGFGDVGALESLRGNADLAYILSMEPCG
	HCLIINNVNFCRESGLRTRTGSNIDCEKLRRRFSSLHFMVEVKG
	DLTAKKMVLALLELAQQDHGALDCCVVVILSHGCQASHLQFPGA
	VYGTDGCPVSVEKIVNIFNGTSCPSLGGKPKLFFIQACGGEQKD
	HGFEVASTSPEDESPGSNPEPDATPFQEGLRTFDQLDAISSLPT
	PSDIFVSYSTFPGFVSWRDPKSGSWYVETLDDIFEQWAHSEDLQ
	SLLLRVANAVSVKGIYKQMPGCFNFLRKKLFFKTS*
OT-CASP9-	MVGSLNCIVAVSQNMGIGKNGDLPWPPLRNEFRYFQRMTTTSSV	1153	5699
005 (hDHFR	EGKQNLVIMGKKTWFSIPEKNRPLKGRINLVLSRELKEPPQGAH
(L94A,	FLSRSADDALKLTEQPELANKVDMVWIVGGSSVYKEAMNHPGHL
T147A)-	KLFVTRIMQDFESDAFFPEIDLEKYKLLPEYPGVLSDVQEEKGI
Linker	KYKFEVYEKNDSGGGSDEADRRLLRRCRLRLVEELQVDQLWDAL
(SGGGS (SEQ	LSRELFRPHMIEDIQRAGSGSRRDQARQLIIDLETRGSQALPLF
ID NO: 3089))	ISCLEDTGQDMLASFLRTNRQAAKLSKPTLENLTPVVLRPEIRK
-Caspase 9-	PEVLRPETPRPVDIGSGGFGDVGALESLRGNADLAYILSMEPCG
stop)	HCLIINNVNFCRESGLRTRTGSNIDCEKLRRRFSSLHFMVEVKG
	DLTAKKMVLALLELAQQDHGALDCCVVVILSHGCQASHLQFPGA
	VYGTDGCPVSVEKIVNIFNGTSCPSLGGKPKLFFIQACGGEQKD
	HGFEVASTSPEDESPGSNPEPDATPFQEGLRTFDQLDAISSLPT
	PSDIFVSYSTFPGFVSWRDPKSGSWYVETLDDIFEQWAHSEDLQ
	SLLLRVANAVSVKGIYKQMPGCFNFLRKKLFFKTS*
OT-CASP9-	MLEGVQVETISPGDGRTFPKRGQTCVVHYTGMLEDGKKVDSSRD	1154	5700
006 (Met-	RNKPFKFMLGKQEVIRGWEEGVAQMSVGQRAKLTISPDYAYGAT
Leu-Glu-	GHPGIIPPHATLVFDVELLKLESGGGSGVDGFGDVGALESLRGN
FKBP (F36V)	ADLAYILSMEPCGHCLIINNVNFCRESGLRTRTGSNIDCEKLRR
-Linker	RFSSLHFMVEVKGDLTAKKMVLALLELARQDHGALDCCVVVILS
(SGGGS (SEQ	HGCQASHLQFPGAVYGTDGCPVSVEKIVNIFNGTSCPSLGGKPK
ID NO: 3089))	LFFIQACGGEQKDHGFEVASTSPEDESPGSNPEPDATPFQEGLR
-Caspase	TFDQLDAISSLPTPSDIFVSYSTFPGFVSWRDPKSGSWYVETLD
Delta CD-	DIFEQWAHSEDLQSLLLRVANAVSVKGIYKQMPGCFNFLRKKLF
Linker	FKTSQLIGMLQGLMRDL*
(QLIGMLQG
LMRDL (SEQ
ID NO: 3090))
-stop)
OT-CASP9-	MDEADRRLLRRCRLRLVEELQVDQLWDALLSRELFRPHMIEDIQ	1155	5701
007 (Met-	RAGSGSRRDQARQLIIDLETRGSQALPLFISCLEDTGQDMLASF
Caspase 9-	LRTNRQAAKLSKPTLENLTPVVLRPEIRKPEVLRPETPRPVDIG
Linker (SG)-	SGGFGDVGALESLRGNADLAYILSMEPCGHCLIINNVNFCRESG
FKBP (E31G,	LRTRTGSNIDCEKLRRRFSSLHFMVEVKGDLTAKKMVLALLELA
F36V, R71G,	QQDHGALDCCVVVILSHGCQASHLQFPGAVYGTDGCPVSVEKIV
K105E)-stop)	NIFNGTSCPSLGGKPKLFFIQACGGEQKDHGFEVASTSPEDESP
	GSNPEPDATPFQEGLRTFDQLDAISSLPTPSDIFVSYSTFPGFV
	SWRDPKSGSWYVETLDDIFEQWAHSEDLQSLLLRVANAVSVKGI
	YKQMPGCFNFLRKKLFFKTSSGGVQVETISPGDGRTFPKRGQTC
	VVHYTGMLGDGKKVDSSRDRNKPFKFMLGKQEVIRGWEEGVAQM
	SVGQGAKLTISPDYAYGATGHPGIIPPHATLVFDVELLELE*
OT-CASP9-	MDEADRRLLRRCRLRLVEELQVDQLWDALLSRELFRPHMIEDIQ	1156	5702
008 (Met-	RAGSGSRRDQARQLIIDLETRGSQALPLFISCLEDTGQDMLASF
Caspase 9-	LRTNRQAAKLSKPTLENLTPVVLRPEIRKPEVLRPETPRPVDIG
Linker (SG)-	SGGFGDVGALESLRGNADLAYILSMEPCGHCLIINNVNFCRESG
ecDHFR	LRTRTGSNIDCEKLRRRFSSLHFMVEVKGDLTAKKMVLALLELA
(Amino acid 2-	QQDHGALDCCVVVILSHGCQASHLQFPGAVYGTDGCPVSVEKIV
159 of WT)	NIFNGTSCPSLGGKPKLFFIQACGGEQKDHGFEVASTSPEDESP
(R12Y, Y100I)-	GSNPEPDATPFQEGLRTFDQLDAISSLPTPSDIFVSYSTFPGFV
stop	SWRDPKSGSWYVETLDDIFEQWAHSEDLQSLLLRVANAVSVKGI
	YKQMPGCFNFLRKKLFFKTSSGISLIAALAVDYVIGMENAMPWN
	LPADLAWFKRNTLNKPVIMGRHTWESIGRPLPGRKNIILSSQPG
	TDDRVTWVKSVDEAIAACGDVPEIMVIGGGRVIEQFLPKAQKLY
	LTHIDAEVEGDTHFPDYEPDDWESVFSEFHDADAQNSHSYCFEI
	LERR*
OT-CASP9-	MDEADRRLLRRCRLRLVEELQVDQLWDALLSRELFRPHMIEDIQ	1157	5703
009 (Met-	RAGSGSRRDQARQLIIDLETRGSQALPLFISCLEDTGQDMLASF
Caspase 9-	LRTNRQAAKLSKPTLENLTPVVLRPEIRKPEVLRPETPRPVDIG
ecDHFR	SGGFGDVGALESLRGNADLAYILSMEPCGHCLIINNVNFCRESG
(Amino acid 2-	LRTRTGSNIDCEKLRRRFSSLHFMVEVKGDLTAKKMVLALLELA
159 of WT)	QQDHGALDCCVVVILSHGCQASHLQFPGAVYGTDGCPVSVEKIV
(R12Y, E129K)-	NIFNGTSCPSLGGKPKLFFIQACGGEQKDHGFEVASTSPEDESP
stop)	GSNPEPDATPFQEGLRTFDQLDAISSLPTPSDIFVSYSTFPGFV
	SWRDPKSGSWYVETLDDIFEQWAHSEDLQSLLLRVANAVSVKGI
	YKQMPGCFNFLRKKLFFKTSSGISLIAALAVDYVIGMENAMPWN
	LPADLAWFKRNTLNKPVIMGRHTWESIGRPLPGRKNIILSSQPG
	TDDRVTWVKSVDEAIAACGDVPEIMVIGGGRVYEQFLPKAQKLY
	LTHIDAEVEGDTHFPDYKPDDWESVFSEFHDADAQNSHSYCFEI
	LERR*

TABLE 41 — DD-FOXP3 constructs

Construct		Amino Acid	Nucleic Acid
Description	Amino Acid sequence	SEQ ID NO.	SEQ ID NO.
Linker	SGGGS	2977	5704, 5705,
			5706
Linker	SG	—
FKBP (F36V,	GVQVETISPGDGRTFPKRGQTCVVHYTGMLEDGKKVD	2778	5707,
L106P)	SSRDRNKPFKFMLGKQEVIRGWEEGVAQMSVGQRAKL	5708-5712
	TISPDYAYGATGHPGIIPPHATLVFDVELLKPE
FKBP (E31G,	GVQVETISPGDGRTFPKRGQTCVVHYTGMLGDGKKVD	2775	5713,
F36V, R71G,	SSRDRNKPFKFMLGKQEVIRGWEEGVAQMSVGQGAKL		5714-5720
K105E)	TISPDYAYGATGHPGIIPPHATLVFDVELLELEMISL
ecDHFR	IAALAVDYVIGMENAMPWNLPADLAWFKRNTLNKPVI	2979	5721
(R12Y,	MGRHTWESIGRPLPGRKNIILSSQPGTDDRVTWVKSV
Y100I)	DEAIAACGDVPEIMVIGGGRVIEQFLPKAQKLYLTHI
	DAEVEGDTHFPDYEPDDWESVFSEFHDADAQNSHSYC
	FEILERR
ecDHFR	ISLIAALAVDYVIGMENAMPWNLPADLAWFKRNTLNK	2774	5722, 5723,
(Amino acid	PVIMGRHTWESIGRPLPGRKNIILSSQPGTDDRVTWV		5724
2-159 of WT)	KSVDEAIAACGDVPEIMVIGGGRVIEQFLPKAQKLYL
(R12Y, Y100I)	THIDAEVEGDTHFPDYEPDDWESVFSEFHDADAQNSH
	SYCFEILERR
FOXP3 full	MPNPRPGKPSAPSLALGPSPGASPSWRAAPKASDLLG	2771	5725
length	ARGPGGTFQGRDLRGGAHASSSSLNPMPPSQLQLPTL
	PLVMVAPSGARLGPLPHLQALLQDRPHFMHQLSTVDA
	HARTPVLQVHPLESPAMISLTPPTTATGVFSLKARPG
	LPPGINVASLEWVSREPALLCTFPNPSAPRKDSTLSA
	VPQSSYPLLANGVCKWPGCEKVFEEPEDFLKHCQADH
	LLDEKGRAQCLLQREMVQSLEQQLVLEKEKLSAMQAH
	LAGKMALTKASSVASSDKGSCCIVAAGSQGPVVPAWS
	GPREAPDSLFAVRRHLWGSHGNSTFPEFLHNMDYFKF
	HNMRPPFTYATLIRWAILEAPEKQRTLNEIYHWFTRM
	FAFFRNHPATWKNAIRHNLSLHKCFVRVESEKGAVWT
	VDELEFRKKRSQRPSRCSNPTPGP*
Amino Acid	PNPRPGKPSAPSLALGPSPGASPSWRAAPKASDLLGA	746	5726
2-431 of	RGPGGTFQGRDLRGGAHASSSSLNPMPPSQLQLPTLP
FOXP3 full	LVMVAPSGARLGPLPHLQALLQDRPHFMHQLSTVDAH
length	ARTPVLQVHPLESPAMISLTPPTTATGVFSLKARPGL
	PPGINVASLEWVSREPALLCTFPNPSAPRKDSTLSAV
	PQSSYPLLANGVCKWPGCEKVFEEPEDFLKHCQADHL
	LDEKGRAQCLLQREMVQSLEQQLVLEKEKLSAMQAHL
	AGKMALTKASSVASSDKGSCCIVAAGSQGPVVPAWSG
	PREAPDSLFAVRRHLWGSHGNSTFPEFLHNMDYFKFH
	NMRPPFTYATLIRWAILEAPEKQRTLNEIYHWFTRMF
	AFFRNHPATWKNAIRHNLSLHKCFVRVESEKGAVWTV
	DELEFRKKRSQRPSRCSNPTPGP
FOXP3 delta	MPNPRPGKPSAPSLALGPSPGASPSWRAAPKASDLLG	747	5727
2	ARGPGGTFQGRDLRGGAHASSSSLNPMPPSQLQLSTV
	DAHARTPVLQVHPLESPAMISLTPPTTATGVFSLKAR
	PGLPPGINVASLEWVSREPALLCTFPNPSAPRKDSTL
	SAVPQSSYPLLANGVCKWPGCEKVFEEPEDFLKHCQA
	DHLLDEKGRAQCLLQREMVQSLEQQLVLEKEKLSAMQ
	AHLAGKMALTKASSVASSDKGSCCIVAAGSQGPVVPA
	WSGPREAPDSLFAVRRHLWGSHGNSTFPEFLHNMDYF
	KFHNMRPPFTYATLIRWAILEAPEKQRTLNEIYHWFT
	RMFAFFRNHPATWKNAIRHNLSLHKCFVRVESEKGAV
	WTVDELEFRKKRSQRPSRCSNPTPGP
FOXP3 delta	PNPRPGKPSAPSLALGPSPGASPSWRAAPKASDLLGA	748	5728
2	RGPGGTFQGRDLRGGAHASSSSLNPMPPSQLQLSTVD
	AHARTPVLQVHPLESPAMISLTPPTTATGVFSLKARP
	GLPPGINVASLEWVSREPALLCTFPNPSAPRKDSTLS
	AVPQSSYPLLANGVCKWPGCEKVFEEPEDFLKHCQAD
	HLLDEKGRAQCLLQREMVQSLEQQLVLEKEKLSAMQA
	HLAGKMALTKASSVASSDKGSCCIVAAGSQGPVVPAW
	SGPREAPDSLFAVRRHLWGSHGNSTFPEFLHNMDYFK
	FHNMRPPFTYATLIRWAILEAPEKQRTLNEIYHWFTR
	MFAFFRNHPATWKNAIRHNLSLHKCFVRVESEKGAVW
	TVDELEFRKKRSQRPSRCSNPTPGP
OT-FOXP3-	MPNPRPGKPSAPSLALGPSPGASPSWRAAPKASDLLG	1158	5729
001 (FoxP3-	ARGPGGTFQGRDLRGGAHASSSSLNPMPPSQLQLPTL
stop)	PLVMVAPSGARLGPLPHLQALLQDRPHFMHQLSTVDA
	HARTPVLQVHPLESPAMISLTPPTTATGVFSLKARPG
	LPPGINVASLEWVSREPALLCTFPNPSAPRKDSTLSA
	VPQSSYPLLANGVCKWPGCEKVFEEPEDFLKHCQADH
	LLDEKGRAQCLLQREMVQSLEQQLVLEKEKLSAMQAH
	LAGKMALTKASSVASSDKGSCCIVAAGSQGPVVPAWS
	GPREAPDSLFAVRRHLWGSHGNSTFPEFLHNMDYFKF
	HNMRPPFTYATLIRWAILEAPEKQRTLNEIYHWFTRM
	FAFFRNHPATWKNAIRHNLSLHKCFVRVESEKGAVWT
	VDELEFRKKRSQRPSRCSNPTPGP*
OT-FOXP3-	MPNPRPGKPSAPSLALGPSPGASPSWRAAPKASDLLG	1159	5730
002 (FoxP3	ARGPGGTFQGRDLRGGAHASSSSLNPMPPSQLQLSTV
Delta 2-	DAHARTPVLQVHPLESPAMISLTPPTTATGVFSLKAR
stop)	PGLPPGINVASLEWVSREPALLCTFPNPSAPRKDSTL
	SAVPQSSYPLLANGVCKWPGCEKVFEEPEDFLKHCQA
	DHLLDEKGRAQCLLQREMVQSLEQQLVLEKEKLSAMQ
	AHLAGKMALTKASSVASSDKGSCCIVAAGSQGPVVPA
	WSGPREAPDSLFAVRRHLWGSHGNSTFPEFLHNMDYF
	KFHNMRPPFTYATLIRWAILEAPEKQRTLNEIYHWFT
	RMFAFFRNHPATWKNAIRHNLSLHKCFVRVESEKGAV
	WTVDELEFRKKRSQRPSRCSNPTPGP*
OT-FOXP3-	MGVQVETISPGDGRTFPKRGQTCVVHYTGMLEDGKKV	1160	5731
003 (Met-	DSSRDRNKPFKFMLGKQEVIRGWEEGVAQMSVGQRAK
FKBP (F36V,	LTISPDYAYGATGHPGIIPPHATLVFDVELLKPESGG
L106P) -	GSPNPRPGKPSAPSLALGPSPGASPSWRAAPKASDLL
Linker	GARGPGGTFQGRDLRGGAHASSSSLNPMPPSQLQLPT
(SGGGS	LPLVMVAPSGARLGPLPHLQALLQDRPHFMHQLSTVD
(SEQ ID NO:	AHARTPVLQVHPLESPAMISLTPPTTATGVFSLKARP
3089))-	GLPPGINVASLEWVSREPALLCTFPNPSAPRKDSTLS
Amino Acid	AVPQSSYPLLANGVCKWPGCEKVFEEPEDFLKHCQAD
2-431 of	HLLDEKGRAQCLLQREMVQSLEQQLVLEKEKLSAMQA
FOXP3 full	HLAGKMALTKASSVASSDKGSCCIVAAGSQGPVVPAW
length-stop)	SGPREAPDSLFAVRRHLWGSHGNSTFPEFLHNMDYFK
	FHNMRPPFTYATLIRWAILEAPEKQRTLNEIYHWFTR
	MFAFFRNHPATWKNAIRHNLSLHKCFVRVESEKGAVW
	TVDELEFRKKRSQRPSRCSNPTPGP*
OT-FOXP3-	MISLIAALAVDYVIGMENAMPWNLPADLAWFKRNTLN	1161	5732
004 (ecDHFR	KPVIMGRHTWESIGRPLPGRKNIILSSQPGTDDRVTW
(R12Y,	VKSVDEAIAACGDVPEIMVIGGGRVIEQFLPKAQKLY
Y100I)-	LTHIDAEVEGDTHFPDYEPDDWESVFSEFHDADAQNS
Linker	HSYCFEILERRSGGGSPNPRPGKPSAPSLALGPSPGA
(SGGGS	SPSWRAAPKASDLLGARGPGGTFQGRDLRGGAHASSS
(SEQ ID NO:	SLNPMPPSQLQLPTLPLVMVAPSGARLGPLPHLQALL
3089))-	QDRPHFMHQLSTVDAHARTPVLQVHPLESPAMISLTP
Amino Acid	PTTATGVFSLKARPGLPPGINVASLEWVSREPALLCT
2-431 of	FPNPSAPRKDSTLSAVPQSSYPLLANGVCKWPGCEKV
FOXP3 full	FEEPEDFLKHCQADHLLDEKGRAQCLLQREMVQSLEQ
length-stop)	QLVLEKEKLSAMQAHLAGKMALTKASSVASSDKGSCC
	IVAAGSQGPVVPAWSGPREAPDSLFAVRRHLWGSHGN
	STFPEFLHNMDYFKFHNMRPPFTYATLIRWAILEAPE
	KQRTLNEIYHWFTRMFAFFRNHPATWKNAIRHNLSLH
	KCFVRVESEKGAVWTVDELEFRKKRSQRPSRCSNPTP
	GP*
OT-FOXP3-	MPNPRPGKPSAPSLALGPSPGASPSWRAAPKASDLLG	1162	5733
005 (FoxP3-	ARGPGGTFQGRDLRGGAHASSSSLNPMPPSQLQLPTL
Linker (SG)-	PLVMVAPSGARLGPLPHLQALLQDRPHFMHQLSTVDA
FKBP (E31G,	HARTPVLQVHPLESPAMISLTPPTTATGVFSLKARPG
F36V, R71G,	LPPGINVASLEWVSREPALLCTFPNPSAPRKDSTLSA
K105E)-stop)	VPQSSYPLLANGVCKWPGCEKVFEEPEDFLKHCQADH
	LLDEKGRAQCLLQREMVQSLEQQLVLEKEKLSAMQAH
	LAGKMALTKASSVASSDKGSCCIVAAGSQGPVVPAWS
	GPREAPDSLFAVRRHLWGSHGNSTFPEFLHNMDYFKF
	HNMRPPFTYATLIRWAILEAPEKQRTLNEIYHWFTRM
	FAFFRNHPATWKNAIRHNLSLHKCFVRVESEKGAVWT
	VDELEFRKKRSQRPSRCSNPTPGPSGGVQVETISPGD
	GRTFPKRGQTCVVHYTGMLGDGKKVDSSRDRNKPFKF
	MLGKQEVIRGWEEGVAQMSVGQGAKLTISPDYAYGAT
	GHPGIIPPHATLVFDVELLELE*
OT-FOXP3-	MPNPRPGKPSAPSLALGPSPGASPSWRAAPKASDLLG	1163	5734
006	ARGPGGTFQGRDLRGGAHASSSSLNPMPPSQLQLPTL
(FoxP3-	PLVMVAPSGARLGPLPHLQALLQDRPHFMHQLSTVDA
Linker (SG)-	HARTPVLQVHPLESPAMISLTPPTTATGVFSLKARPG
ecDHFR	LPPGINVASLEWVSREPALLCTFPNPSAPRKDSTLSA
(Amino acid	VPQSSYPLLANGVCKWPGCEKVFEEPEDFLKHCQADH
2-159 of WT)	LLDEKGRAQCLLQREMVQSLEQQLVLEKEKLSAMQAH
(R12Y,	LAGKMALTKASSVASSDKGSCCIVAAGSQGPVVPAWS
Y100I)-stop)	GPREAPDSLFAVRRHLWGSHGNSTFPEFLHNMDYFKF
	HNMRPPFTYATLIRWAILEAPEKQRTLNEIYHWFTRM
	FAFFRNHPATWKNAIRHNLSLHKCFVRVESEKGAVWT
	VDELEFRKKRSQRPSRCSNPTPGPSGISLIAALAVDY
	VIGMENAMPWNLPADLAWFKRNTLNKPVIMGRHTWES
	IGRPLPGRKNIILSSQPGTDDRVTWVKSVDEAIAACG
	DVPEIMVIGGGRVIEQFLPKAQKLYLTHIDAEVEGDT
	HFPDYEPDDWESVFSEFHDADAQNSHSYCFEILERR*
OT-FOXP3-	MGVQVETISPGDGRTFPKRGQTCVVHYTGMLEDGKKV	1164	5735
007 (Met-	DSSRDRNKPFKFMLGKQEVIRGWEEGVAQMSVGQRAK
FKBP (F36V,	LTISPDYAYGATGHPGIIPPHATLVFDVELLKPESGP
L106P)-	NPRPGKPSAPSLALGPSPGASPSWRAAPKASDLLGAR
Linker (SG)-	GPGGTFQGRDLRGGAHASSSSLNPMPPSQLQLSTVDA
Amino Acid	HARTPVLQVHPLESPAMISLTPPTTATGVFSLKARPG
2-396 of	LPPGINVASLEWVSREPALLCTFPNPSAPRKDSTLSA
FOXP3 delta	VPQSSYPLLANGVCKWPGCEKVFEEPEDFLKHCQADH
2-stop)	LLDEKGRAQCLLQREMVQSLEQQLVLEKEKLSAMQAH
	LAGKMALTKASSVASSDKGSCCIVAAGSQGPVVPAWS
	GPREAPDSLFAVRRHLWGSHGNSTFPEFLHNMDYFKF
	HNMRPPFTYATLIRWAILEAPEKQRTLNEIYHWFTRM
	FAFFRNHPATWKNAIRHNLSLHKCFVRVESEKGAVWT
	VDELEFRKKRSQRPSRCSNPTPGP*
OT-FOXP3-	MISLIAALAVDYVIGMENAMPWNLPADLAWFKRNTLN	1165	5736
008 (ecDHFR	KPVIMGRHTWESIGRPLPGRKNIILSSQPGTDDRVTW
(R12Y,	VKSVDEAIAACGDVPEIMVIGGGRVIEQFLPKAQKLY
Y100I)-	LTHIDAEVEGDTHFPDYEPDDWESVFSEFHDADAQNS
Linker (SG)-	HSYCFEILERRSGPNPRPGKPSAPSLALGPSPGASPS
Amino Acid	WRAAPKASDLLGARGPGGTFQGRDLRGGAHASSSSLN
2-396 of	PMPPSQLQLSTVDAHARTPVLQVHPLESPAMISLTPP
FOXP3 delta	TTATGVFSLKARPGLPPGINVASLEWVSREPALLCTF
2-stop)	PNPSAPRKDSTLSAVPQSSYPLLANGVCKWPGCEKVF
	EEPEDFLKHCQADHLLDEKGRAQCLLQREMVQSLEQQ
	LVLEKEKLSAMQAHLAGKMALTKASSVASSDKGSCCI
	VAAGSQGPVVPAWSGPREAPDSLFAVRRHLWGSHGNS
	TFPEFLHNMDYFKFHNMRPPFTYATLIRWAILEAPEK
	QRTLNEIYHWFTRMFAFFRNHPATWKNAIRHNLSLHK
	CFVRVESEKGAVWTVDELEFRKKRSQRPSRCSNPTPG
	P*
OT-FOXP3-	MPNPRPGKPSAPSLALGPSPGASPSWRAAPKASDLLG	1166	5737
009 (FoxP3	ARGPGGTFQGRDLRGGAHASSSSLNPMPPSQLQLSTV
Delta 2-	DAHARTPVLQVHPLESPAMISLTPPTTATGVFSLKAR
Linker (SG)-	PGLPPGINVASLEWVSREPALLCTFPNPSAPRKDSTL
FKBP(E31 G,	SAVPQSSYPLLANGVCKWPGCEKVFEEPEDFLKHCQA
F36V, R71G,	DHLLDEKGRAQCLLQREMVQSLEQQLVLEKEKLSAMQ
K105E)-stop)	AHLAGKMALTKASSVASSDKGSCCIVAAGSQGPVVPA
	WSGPREAPDSLFAVRRHLWGSHGNSTFPEFLHNMDYF
	KFHNMRPPFTYATLIRWAILEAPEKQRTLNEIYHWFT
	RMFAFFRNHPATWKNAIRHNLSLHKCFVRVESEKGAV
	WTVDELEFRKKRSQRPSRCSNPTPGPSGGVQVETISP
	GDGRTFPKRGQTCVVHYTGMLGDGKKVDSSRDRNKPF
	KFMLGKQEVIRGWEEGVAQMSVGQGAKLTISPDYAYG
	ATGHPGIIPPHATLVFDVELLELE*
OT-FOXP3-	MPNPRPGKPSAPSLALGPSPGASPSWRAAPKASDLLG	1167	5738
010 (FoxP3	ARGPGGTFQGRDLRGGAHASSSSLNPMPPSQLQLSTV
Delta 2-	DAHARTPVLQVHPLESPAMISLTPPTTATGVFSLKAR
Linker (SG)-	PGLPPGINVASLEWVSREPALLCTFPNPSAPRKDSTL
ecDHFR	SAVPQSSYPLLANGVCKWPGCEKVFEEPEDFLKHCQA
(Amino acid	DHLLDEKGRAQCLLQREMVQSLEQQLVLEKEKLSAMQ
2-159 of WT)	AHLAGKMALTKASSVASSDKGSCCIVAAGSQGPVVPA
(R12Y,	WSGPREAPDSLFAVRRHLWGSHGNSTFPEFLHNMDYF
Y1001)-stop)	KFHNMRPPFTYATLIRWAILEAPEKQRTLNEIYHWFT
	RMFAFFRNHPATWKNAIRHNLSLHKCFVRVESEKGAV
	WTVDELEFRKKRSQRPSRCSNPTPGPSGISLIAALAV
	DYVIGMENAMPWNLPADLAWFKRNTLNKPVIMGRHTW
	ESIGRPLPGRKNIILSSQPGTDDRVTWVKSVDEAIAA
	CGDVPEIMVIGGGRVIEQFLPKAQKLYLTHIDAEVEG
	DTHFPDYEPDDWESVFSEFHDADAQNSHSYCFEILER
	R*

TABLE 42 — CD19 proteins, variants and mutants

Description	Sequence	SEQ ID NO
Human CD19, Isoform 1	MPPPRLLFFLLFLTPMEVRPEEPLVVKVEEGDNAVLQCLKGTSDGPTQQ	3061
(NCBI Reference No.	LTWSRESPLKPFLKLSLGLPGLGIHMRPLAIWLFIFNVSQQMGGFYLCQ
NP_001171569.1)	PGPPSEKAWQPGWTVNVEGSGELFRWNVSDLGGLGCGLKNRSSEGPSSP
	SGKLMSPKLYVWAKDRPEIWEGEPPCLPPRDSLNQSLSQDLTMAPGSTL
	WLSCGVPPDSVSRGPLSWTHVHPKGPKSLLSLELKDDRPARDMWVMETG
	LLLPRATAQDAGKYYCHRGNLTMSFHLEITARPVLWHWLLRTGGWKVSA
	VTLAYLIFCLCSLVGILHLQRALVLRRKRKRMTDPTRRFFKVTPPPGSG
	PQNQYGNVLSLPTPTSGLGRAQRWAAGLGGTAPSYGNPSSDVQADGALG
	SRSPPGVGPEEEEGEGYEEPDSEEDSEFYENDSNLGQDQLSQDGSGYEN
	PEDEPLGPEDEDSFSNAESYENEDEELTQPVARTMDFLSPHGSAWDPSR
	EATSLAGSQSYEDMRGILYAAPQLRSIRGQPGPNHEEDADSYENMDNPD
	GPDPAWGGGGRMGTWSTR
Human CD19, Isoform 2	MPPPRLLFFLLFLTPMEVRPEEPLVVKVEEGDNAVLQCLKGTSDGPTQQ	3062
(NCBI Reference No.	LTWSRESPLKPFLKLSLGLPGLGIHMRPLAIWLFIFNVSQQMGGFYLCQ
NP_001761.3)	PGPPSEKAWQPGWTVNVEGSGELFRWNVSDLGGLGCGLKNRSSEGPSSP
	SGKLMSPKLYVWAKDRPEIWEGEPPCLPPRDSLNQSLSQDLTMAPGSTL
	WLSCGVPPDSVSRGPLSWTHVHPKGPKSLLSLELKDDRPARDMWVMETG
	LLLPRATAQDAGKYYCHRGNLTMSFHLEITARPVLWHWLLRTGGWKVSA
	VTLAYLIFCLCSLVGILHLQRALVLRRKRKRMTDPTRRFFKVTPPPGSG
	PQNQYGNVLSLPTPTSGLGRAQRWAAGLGGTAPSYGNPSSDVQADGALG
	SRSPPGVGPEEEEGEGYEEPDSEEDSEFYENDSNLGQDQLSQDGSGYEN
	PEDEPLGPEDEDSFSNAESYENEDEELTQPVARTMDFLSPHGSAWDPSR
	EATSLGSQSYEDMRGILYAAPQLRSIRGQPGPNHEEDADSYENMDNPDG
	PDPAWGGGGRMGTWSTR
Rhesus CD19	MPPPCLLFFLLFLTPMEVRPQEPLVVKVEEGDNAVLQCLEGTSDGPTQQ	3063
(Uniprot ID: F7F486)	LVWCRDSPFEPFLNLSLGLPGMGIRMGPLGIWLLIFNVSNQTGGFYLCQ
	PGLPSEKAWQPGWTVSVEGSGELFRWNVSDLGGLGCGLKNRSSEGPSSP
	SGKLNSSQLYVWAKDRPEMWEGEPVCGPPRDSLNQSLSQDLTMAPGSTL
	WLSCGVPPDSVSRGPLSWTHVRPKGPKSSLLSLELKDDRPDRDMWVVDT
	GLLLTRATAQDAGKYYCHRGNWTKSFYLEITARPALWHWLLRIGGWKVP
	AVTLTYLIFCLCSLVGILQLQRALVLRRKRKRMTDPTRRFFKVTPPPGS
	GPQNQYGNVLSLPTPTSGLGRAQRWAAGLGGTAPSYGNPSSDVQVDGAV
	GSRSPPGAGPEEEEGEGYEEPDSEEGSEFYENDSNFGQDQLSQDGSGYE
	NPEDEPLGPEDEDSFSNAESYENEDEELTQPVARTMDFLSPHGSAWDPS
	REATSLGSQSYEDMRGLLYAAPQLRTIRGQPGPNHEEDADSYENMDNPD
	GPDPAWGGGGRMGTWSAR
Human CD19 (H218R,	MPPPRLLFFLLFLTPMEVRPEEPLVVKVEEGDNAVLQCLKGTSDGPTQQ	3064
A237D, M243V, E244D,	LTWSRESPLKPFLKLSLGLPGLGIHMRPLAIWLFIFNVSQQMGGFYLCQ
P250T)	PGPPSEKAWQPGWTVNVEGSGELFRWNVSDLGGLGCGLKNRSSEGPSSP
	SGKLMSPKLYVWAKDRPEIWEGEPPCLPPRDSLNQSLSQDLTMAPGSTL
	WLSCGVPPDSVSRGPLSWTHVRPKGPKSLLSLELKDDRPDRDMWVVDTG
	LLLTRATAQDAGKYYCHRGNLTMSFHLEITARPVLWHWLLRTGGWKVSA
	VTLAYLIFCLCSLVGILHLQRALVLRRKRKRMTDPTRRFFKVTPPPGSG
	PQNQYGNVLSLPTPTSGLGRAQRWAAGLGGTAPSYGNPSSDVQADGALG
	SRSPPGVGPEEEEGEGYEEPDSEEDSEFYENDSNLGQDQLSQDGSGYEN
	PEDEPLGPEDEDSFSNAESYENEDEELTQPVARTMDFLSPHGSAWDPSR
	EATSLAGSQSYEDMRGILYAAPQLRSIRGQPGPNHEEDADSYENMDNPD
	GPDPAWGGGGRMGTWSTR
Human CD19 (H218R,	MPPPRLLFFLLFLTPMEVRPEEPLVVKVEEGDNAVLQCLKGTSDGPTQQ	3065
A237D)	LTWSRESPLKPFLKLSLGLPGLGIHMRPLAIWLFIFNVSQQMGGFYLCQ
	PGPPSEKAWQPGWTVNVEGSGELFRWNVSDLGGLGCGLKNRSSEGPSSP
	SGKLMSPKLYVWAKDRPEIWEGEPPCLPPRDSLNQSLSQDLTMAPGSTL
	WLSCGVPPDSVSRGPLSWTHVRPKGPKSLLSLELKDDRPDRDMWVMETG
	LLLPRATAQDAGKYYCHRGNLTMSFHLEITARPVLWHWLLRTGGWKVSA
	VTLAYLIFCLCSLVGILHLQRALVLRRKRKRMTDPTRRFFKVTPPPGSG
	PQNQYGNVLSLPTPTSGLGRAQRWAAGLGGTAPSYGNPSSDVQADGALG
	SRSPPGVGPEEEEGEGYEEPDSEEDSEFYENDSNLGQDQLSQDGSGYEN
	PEDEPLGPEDEDSFSNAESYENEDEELTQPVARTMDFLSPHGSAWDPSR
	EATSLAGSQSYEDMRGILYAAPQLRSIRGQPGPNHEEDADSYENMDNPD
	GPDPAWGGGGRMGTWSTR
Human CD19 (Delta	MPPPRLLFFLLFLTPMEVRPEEPLVVKVEGELFRWNVSDLGGLGCGLKN	3066
exon 2)	RSSEGPSSPSGKLMSPKLYVWAKDRPEIWEGEPPCLPPRDSLNQSLSQD
	LTMAPGSTLWLSCGVPPDSVSRGPLSWTHVHPKGPKSLLSLELKDDRPA
	RDMWVMETGLLLPRATAQDAGKYYCHRGNLTMSFHLEITARPVLWHWLL
	RTGGWKVSAVTLAYLIFCLCSLVGILHLQRALVLRRKRKRMTDPTRRFF
	KVTPPPGSGPQNQYGNVLSLPTPTSGLGRAQRWAAGLGGTAPSYGNPSS
	DVQADGALGSRSPPGVGPEEEEGEGYEEPDSEEDSEFYENDSNLGQDQL
	SQDGSGYENPEDEPLGPEDEDSFSNAESYENEDEELTQPVARTMDFLSP
	HGSAWDPSREATSLGSQSYEDMRGILYAAPQLRSIRGQPGPNHEEDADS
	YENMDNPDGPDPAWGGGGRMGTWSTR
Human CD19 (Exon 1-4)	MPPPRLLFFLLFLTPMEVRPEEPLVVKVEEGDNAVLQCLKGTSDGPTQQ	3067
	LTWSRESPLKPFLKLSLGLPGLGIHMRPLAIWLFIFNVSQQMGGFYLCQ
	PGPPSEKAWQPGWTVNVEGSGELFRWNVSDLGGLGCGLKNRSSEGPSSP
	SGKLMSPKLYVWAKDRPEIWEGEPPCLPPRDSLNQSLSQDLTMAPGSTL
	WLSCGVPPDSVSRGPLSWTHVHPKGPKSLLSLELKDDRPARDMWVMETG
	LLLPRATAQDAGKYYCHRGNLTMSFHLEITARP
Human CD19 (Exon	MPPPRLLFFLLFLTPMEVRPEEPLVVKVEGELFRWNVSDLGGLGCGLKN	3068
1, 3, 4)	RSSEGPSSPSGKLMSPKLYVWAKDRPEIWEGEPPCLPPRDSLNQSLSQD
	LTMAPGSTLWLSCGVPPDSVSRGPLSWTHVHPKGPKSLLSLELKDDRPA
	RDMWVMETGLLLPRATAQDAGKYYCHRGNLTMSFHLEITARP

TABLE 44 — hDHFR mutants without ligand Median

	Fluorescence	Destabilizing
	signal with	mutation co-
Construct	DMSO	efficient
NIH-3T3 cells (Control)	1.78	—
OT-hDHFRN-001 (hDHFR WT)	18	—
OT-hDHFRN-002 (hDHFR Y122I)	4.67	0.26
OT-hDHFRN-003 (hDHFR M53T, R138I)	2.29	0.13
OT-hDHFRN-004 (hDHFR V75F, Y122I)	2.43	0.14
OT-hDHFRN-005 (hDHFR A125F, Y122I)	2.55	0.14
OT-hDHFRN-021 (hDHFR V121A, Y122I)	2.83	0.16
OT-hDHFRN-006 (hDHFR L74N, Y122I)	2.94	0.16
OT-hDHFRN-007 (hDHFR L94A, T147A)	2.67	0.15
OT-hDHFRN-008 (hDHFR G21T, Y122I)	3.27	0.18

TABLE 45 — GFP intensity with ligand treatment Fold Change

Construct	1 μM MTX	10 μM TMP
NIH-3T3 cells (Control)	1.31	0.88
OT-hDHFRN-001 (hDHFR WT)	6.78	4.68
OT-hDHFRN-002 (hDHFR Y122I)	14.41	11.46
OT-hDHFRN-003 (hDHFR M53T, R138I)	3.36	1.02
OT-hDHFRN-004 (hDHFR V75F, Y122I)	4.00	1.02
OT-hDHFRN-005 (hDHFR A125F, Y122I)	26.98	6.24
OT-hDHFRN-021 (hDHFR V121A, Y122I)	15.58	1.58
OT-hDHFRN-006 (hDHFR L74N, Y122I)	8.30	1.03
OT-hDHFRN-007 (hDHFR L94A, T147A)	4.46	1.00
OT-hDHFRN-008 (hDHFR G21T, Y122I)	14.53	1.30

TABLE 46 — hDHFR mutants with ligand % GFP positive cells

		1 μM	10 μM
Construct	DMSO	MTX	TMP
NIH-3T3 cells (Control)	0.03	0.18	0.04
OT-hDHFRN-001 (hDHFR WT)	61.5	96	97.2
OT-hDHFRN-002 (hDHFR Y122I)	5.34	92.5	91.2
OT-hDHFRN-003 (hDHFR M53T, R138I)	0.55	22.3	0.97
OT-hDHFRN-004 (hDHFR V75F, Y122I)	0.5	33.7	0.39
OT-hDHFRN-005 (hDHFR A125F, Y122I)	0.64	89.6	54.7
OT-hDHFRN-021 (hDHFR V121A, Y122I)	0.85	83.8	5.54
OT-hDHFRN-006 (hDHFR L74N, Y122I)	0.93	72	0.72
OT-hDHFRN-007 (hDHFR L94A, T147A)	0.26	40.7	0.52
OT-hDHFRN-008 (hDHFR G21T, Y122I)	0.61	86.6	2.92

TABLE 47 — Ligand dependent hDHFR mutant expression

	Median	De-
	fluorescence	stabilizing	Stabilization
	intensity	mutation	Ratio
		10 μM	1 μM	co-	10 μM	1 μM
hDHFR mutant	DMSO	TMP	MTX	efficient	TMP	MTX
hDHFR (WT)	83.6	398	459	—	4.76	5.49
Clone C1-12	254	1411	1625	3.04	5.56	6.40
(hDHFR (K81R))
Clone C1-18	6.37	6.6	353	0.08	1.04	55.42
(hDHFR (V9A,
S93R, P150L))
Clone C1-4	6.08	107	1380	0.07	17.60	226.97
(hDHFR (F59S))
Clone C1-8	19.6	605	1624	0.23	30.87	82.86
(hDHFR (I17V))
Clone C1-11	334	1100	1000	4.00	3.29	2.99
(hDHFR (N65D))
Clone C2-21	1.66	1.64	211	0.02	0.99	127.11
(hDHFR
(A10V, H88Y))

TABLE 48 — Ligand dependent hDHFR mutant expression

	Median	De-
	fluorescence	stabilizing	Stabilization
	intensity	mutation	Ratio
		50 μM	1 μM	co-	10 μM	1 μM
hDHFR mutant	DMSO	TMP	MTX	efficient	TMP	MTX
hDHFR WT	399	2507	2033	—	6.28	5.10
Clone C1-3	79.7	947	859	0.20	11.88	10.78
(hDHFR
(A107V))
Clone C1-10	6.84	7.36	13	0.02	1.08	1.90
(hDHFR (C7R,
Y163C))
Clone C1-14	12.8	1023	1197	0.03	79.92	93.52
(hDHFR
(N127Y))
Clone C1-21	3.96	427	1267	0.01	107.83	319.95
(hDHFR
(K185E))
Clone C1-25	4.03	4.42	4.9	0.01	1.10	1.22
(hDHFR
(T137R,
F143L))
Clone C2-8	3.81	3.41	116	0.01	0.90	30.45
(hDHFR (I8V,
K133E,
Y163C))
Clone C2-15	3.61	4.21	504	0.01	1.17	139.61
(hDHFR
(K19E,
F89L,
E181G))
Clone C2-20	109	948	897	0.27	8.70	8.23
(hDHFR
(N186D))
Clone C2-22	2.69	2.81	3.44	0.01	1.04	1.28
(hDHFR
(G54R,
M140V,
S168C))
Clone C2-23	3.33	4.5	307	0.01	1.35	92.19
(hDHFR
(L23S, V121A,
Y157C))

TABLE 49 — Ligand dependent hDHFR mutant expression

	Median	De-
	fluorescence	stabilizing	Stabilization
	intensity	mutation	Ratio
		50 μM	1 μM	co-	10 μM	1 μM
hDHFR mutant	DMSO	TMP	MTX	efficient	TMP	MTX
hDHFR WT	253	1560	1296	—	6.17	5.12
Clone C1-24	3.62	51.2	1010	0.01	14.14	279.01
(hDHFR (V110A,
V136M, K177R))
Clone C2-25	5.24	564	1487	0.02	107.63	283.78
(hDHFR
(E162G, I176F))
Clone C3-1	3.52	4.1	315	0.01	1.16	89.49
(hDHFR
(Y178H, E181G))
Clone C3-2	5.26	6.49	31.2	0.02	1.23	5.93
(hDHFR (N49D,
F595, D153G))
hDHFR (M140I)	18.4	1661	1946	0.07	90.27	105.76
Clone C3-9	13.3	1332	2005	0.05	100.15	150.75
(hDHFR
(H131R, E144G))
Clone C3-22	5.71	7.28	714	0.02	1.27	125.04
(hDHFR
(T57A, I72A))

TABLE 50 — Ligand dependent hDHFR mutant expression

	Median	De-
	fluorescence	stabilizing	Stabilization
	intensity	mutation	Ratio
		50 μM	1 μM	co-	10 μM	1 μM
hDHFR mutant	DMSO	TMP	MTX	efficient	TMP	MTX
hDHFR WT	114	943	844	—	8.27	7.40
Clone C3-10	2.03	2.11	242	0.02	1.04	119.21
(hDHFR
(Y183H,
K185E))
Clone C4-3	2.34	2.57	443	0.02	1.10	189.32
(hDHFR (G21E,
I72V, I176T))

TABLE 51 — hDHFR ligand binding affinity

Construct ID.	Construct	IC 50 (μM)
OT-hDHFRN-002	pLVX-hDHFR(Y122I). AcGFP-	3.841
	IRES-Puro
OT-hDHFRN-005	pLVX-hDHFR (A125F, Y122I). AcGFP-	18.89
	IRES-Puro
OT-hDHFRN-008	pLVX-hDHFR (G21T, Y122I). AcGFP-	57.1
	IRES-Puro
OT-hDHFRN-021	pLVX-hDHFR (V121A, Y122I). AcGFP-	28.7
	IRES-Puro

TABLE 52 — Plasma TMP levels

Time (hrs)	300 mg/kg TMP	100 mg/kg TMP	30 mg/kg TMP
0.083	116.77	81.55	25.67
0.25	136.92	78.10	19.55
0.5	128.05	58.79	9.84
1	80.00	27.59	2.55
2	32.63	2.97	1.19
4	1.03	0.99	0.16
8	0.30	0.56	0.04
24	0.01	0.01	not measured

TABLE 53 — Surface expression of IL15-IL15Ra fusion constructs

	Median Fluorescence Intensity	Destabilization	Stabilization ratio
Construct	DMSO	10 μM TMP	1 μM MTX	ratio	TMP	MTX
HCT-116 cells	273	—	—	—	—	—
(control)
OT-IL15-008	5315	7019	—	19.47	1.32
(Constitutive)
OT-IL15-010 (hDHFR	2657	5775	15864	3.48	2.17	5.97
(Y1221, A125F))
OT-IL15-011 (hDHFR	1560	4010	14509	0.59	2.57	9.30
(Q36F, N65F, Y1221))

TABLE 54 — Surface expression of IL15-IL15Ra fusion constructs Median Fluorescence Intensity

Dose (μM)	hDHFR (Y122I, A125F)	hDHFR (Q36F, N65F, Y122I)
DMSO	3034	2357
0.01	2791	2291
0.02	2833	2216
0.05	2924	2054
0.14	2740	2150
0.41	2817	2400
1.23	2890	2251
3.7	3117	2494
11.11	3473	2841
33.33	4019	3409
100	5227	4592

TABLE 55 — Surface expression of IL15-IL15Ra fusion constructs Median Fluorescence Intensity

		10 μM	1 μM
Construct	DMSO	TMP	MTX
HCT-116 cells (control)	273
OT-IL15-008 (Constitutive)	5315	7019
OT-IL15-006 (ecDHFR (R12Y, E129K)	764	2978
OT-IL15-010 (hDHFR (Y122I, A125F))	2657	5775	15864
OT-IL15-011(hDHFR (Q36F, N65F,	1560	4010	14509
Y122I))

TABLE 56 — IL15-IL15Ra destabilization and stabilization ratios Destabi-

		lization	Stabilization ratio
Construct	ratio	TMP	MTX
OT-IL15-008 (Constitutive)	19.47	1.32
OT-IL15-006 (ecDHFR (R12Y, E129K)	0.14	3.90	—
OT-IL15-010 (hDHFR (Y122I, A125F))	3.48	2.17	5.97
OT-IL15-011(hDHFR (Q36F, N65F,	0.59	2.57	9.30
Y122I))

TABLE 57 — Surface expression of IL15-IL15Ra Median Fluorescence Intensity

Dose	ecDHFR (R12Y,	hDHFR (Y122I,	hDHFR (Q36F,
(μM)	Y100I)	A125F)	N65F, Y122I)
DMSO	1260	3034	2357
0.01	1384	2791	2291
0.02	1492	2833	2216
0.05	1947	2924	2054
0.14	2741	2740	2150
0.41	3360	2817	2400
1.23	4014	2890	2251
3.7	4265	3117	2494
11.11	4267	3473	2841
33.33	4485	4019	3409
100	4633	5227	4592

TABLE 58 — Time course of IL15-IL15Ra surface expression

Time (hours)	MFI
Parental	3054
0	4004
12	7054
16	9390
24	14056
48	28644
72	35303

TABLE 59 — DHFR mutant analysis

hDHFR mutant	Vicinal amino acid and location
I8V	9V
V9A	A10
A10V	V9
Q36F	F35
F59S	S60
L74N	N73
F89L	L90
S93R	R92
T137R	R138
R138I	I139
M140I	I139
K185E	E184
N186D	D187

TABLE 60 — DHFR mutant analysis Vicinal wildtype amino

hDHFR mutant	acid and location
I72V	V75
L94A	L98
A107V	V110
V110A	A107
V121A	A125
N127Y	Y122
V136M	M140
M140V	V136
P150L	L154
I176F	F180
Y183H	Y178

TABLE 61 — Methotrexate binding analysis % Normalized Response

		Clone C1-3	Clone C1-4	Clone C1-8	Clone C1-14	Clone C1-25
MTX	hDHFR	(hDHFR	(hDHFR	(hDHFR	(hDHFR	(hDHFR
(μM)	(WT)	(A107V))	(F59S))	(I17V))	(N127Y))	(K185E))
100	100	100	100	100	100	100
33.333	90.82	139.6	161.79	60.9	54.12	87.71
11.111	79.16	98.85	113.46	51.03	40.32	55.64
3.704	60.09	69.01	54.34	37.52	35.37	7.27
1.235	31.13	33.21	21.1	10.65	1.65	1.41
0.412	−9.04	5.21	2.52	0.32	−0.21	0.15
0.137	−9.02	−3.52	−0.12	−0.09	−0.51	−0.05
0.046	−6.07	−5.56	−0.18	0.1	−0.56	−0.06

TABLE 62 — Trimethoprim binding analysis % Normalized Response

		Clone C1-3	Clone C1-4	Clone C1-8	Clone C1-14	Clone C1-25
TMP	hDHFR	(hDHFR	(hDHFR	(hDHFR	(hDHFR	(hDHFR
(μM)	(WT)	(A107V))	(F59S))	(I17V))	(N127Y))	(K185E))
100	100	100	100	100	100	100
33.333	74.33	80.33	36.05	57.35	62.48	38.84
11.111	49.7	50.43	8.01	26.08	22.34	7.58
3.704	5.37	27.08	1.64	7.49	5.41	0.57
1.235	−0.22	10.6	−0.29	0.44	0.7	−0.27
0.412	−6.73	4.22	−0.57	−0.27	−0.09	−0.43
0.137	−10.58	2.51	−0.56	−0.51	−0.23	−0.47
0.046	−8.3	1.56	−0.57	−0.28	−0.2	−0.44

TABLE 63 — Methotrexate Vs. Trimethoprim binding analysis

		Clone C1-4	Clone C1-8	Clone C1-14	Clone C1-21
	hDHFR	(hDHFR	(hDHFR	(hDHFR	(hDHFR
	(A107V)	(F59S))	(I17V))	(N127Y))	(K185E))
Ligand	MTX	TMP	MTX	TMP	MTX	TMP	MTX	TMP	MTX	TMP
(μM)	ratio	ratio	ratio	ratio	ratio	ratio	ratio	ratio	ratio	ratio
100	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00
33.333	1.54	1.08	1.78	0.48	0.67	0.77	0.60	0.84	0.97	0.52
11.111	1.25	1.01	1.43	0.16	0.64	0.52	0.51	0.45	0.70	0.15
3.704	1.15	5.04	0.90	0.31	0.62	1.39	0.59	1.01	0.12	0.11
1.235	1.07	10.38	0.68	1.32	0.34	2.00	0.05	3.18	0.05	1.23
0.412	0.58	0.63	0.28	0.08	0.04	0.04	0.02	0.01	0.02	0.06
0.137	0.39	0.24	0.01	0.05	0.01	0.05	0.06	0.02	0.01	0.04
0.046	0.92	0.19	0.03	0.07	0.02	0.03	0.09	0.02	0.01	0.05

TABLE 64 — TMP dependent ecDHFR mutant expression Median Fluorescence

TMP (μM)	Intensity(MFI)	Relative MFI
10	1241.61	72
1	1218.02	71
0.1	695.66	40
0.01	47.33	3
0.001	20.51	1
0	17.21	1

TABLE 65 — Percentage GFP positive cells Percentage GFP positive cells

Construct	Ligand	No Ligand	Ligand
OT-CD19C-001	N/A	46.8	45.4
OT-CD19C-008	MTX	15.8	31.3
OT-CD19C-009	MTX	16.5	34.2
OT-CD19C-010	MTX	14.8	33
OT-CD19C-011	MTX	14.5	32.9
OT-CD19C-014	MTX	4.68	16.2
OT-CD19C-015	MTX	3.04	18.2

TABLE 66 — CD19 CAR surface expression

		Destabi-	Stabi-
	MFI	lization	lization
Construct	Ligand	No Ligand	Ligand	Ratio	Ratio
OT-CD19C-001	N/A	453	407		0.90
OT-CD19C-008	MTX	89.4	148	0.20	1.66
OT-CD19C-009	MTX	93.3	200	0.21	2.14
OT-CD19C-010	MTX	85.6	160	0.19	1.87
OT-CD19C-011	MTX	83.3	172	0.18	2.06
OT-CD19C-014	MTX	78.6	124	0.17	1.58
OT-CD19C-015	MTX	73.3	143	0.16	1.95

TABLE 67 — Percentage GFP positive cells Percentage GFP positive cells

Construct	Ligand	No Ligand	Ligand
OT-CD19C-001	N/A	46.8	45.4
OT-CD19C-006	TMP	46.6	43.6
OT-CD19C-007	Shield-1	28.9	34
OT-CD19C-008	MTX	15.8	31.3
OT-CD19C-009	MTX	16.5	34.2
OT-CD19C-010	MTX	14.8	33
OT-CD19C-011	MTX	14.5	32.9
OT-CD19C-012	TMP	19.1	18.7
OT-CD19C-013	Shield-1	0.91	0.4
OT-CD19C-014	MTX	4.68	16.2
OT-CD19C-015	MTX	3.04	18.2

TABLE 68 — CD19 CAR surface expression

		Destabi-	Stabi-
	MFI	lization	lization
Construct	Ligand	No Ligand	Ligand	Ratio	Ratio
OT-CD19C-001	N/A	453	407		0.90
OT-CD19C-006	TMP	425	325	0.94	0.76
OT-CD19C-007	Shield-1	132	123	0.29	0.93
OT-CD19C-008	MTX	89.4	148	0.20	1.66
OT-CD19C-009	MTX	93.3	200	0.21	2.14
OT-CD19C-010	MTX	85.6	160	0.19	1.87
OT-CD19C-011	MTX	83.3	172	0.18	2.06
OT-CD19C-012	TMP	112	105	0.25	0.94
OT-CD19C-013	Shield-1	61	49.5	0.13	0.81
OT-CD19C-014	MTX	78.6	124	0.17	1.58
OT-CD19C-015	MTX	73.3	143	0.16	1.95

TABLE 69 — Dose response of DHFR mutants

					Clone		Clone
TMP	Clone	Clone	Clone	Clone	C2-25	Clone	C3-9
dose	C1-3	C1-8	C1-14	C2-20	(E162G,	C3-3	(H131R,
(log M)	(A107V)	(I17V)	(N127Y)	(N186D)	I17G)	(M140I)	E144G)
DMSO	19720	2875	3581	19902	1894	2957	2464
−6.86	21870	3103	3535	30758	1891	2699	2530
−6.39	28772	3648	4272	30389	1964	3007	2545
−5.91	40094	5251	5987	46567	2225	4213	3315
−5.43	66181	11893	13591	74231	3467	6131	4738
−4.95	82770	32011	31359	120106	5053	15187	8464
−4.48	94393	48198	51745	117316	22849	34447	21677
−4.00	107654	74488	74118	125048	37159	64607	50560

TABLE 70B — Stabilization ratios of DHFR mutants

					Clone		Clone
TMP	Clone	Clone	Clone	Clone	C2-25	Clone	C3-9
dose	C1-3	C1-8	C1-14	C2-20	(E162G,	C3-3	(H131R,
(log M)	(A107V)	(I17V)	(N127Y)	(N186D)	I17G)	(M140I)	E144G)
−6.86	1.11	1.08	0.99	1.55	1.00	0.91	1.03
−6.39	1.46	1.27	1.19	1.53	1.04	1.02	1.03
−5.91	2.03	1.83	1.67	2.34	1.17	1.42	1.35
−5.43	3.36	4.14	3.80	3.73	1.83	2.07	1.92
−4.95	4.20	11.13	8.76	6.03	2.67	5.14	3.44
−4.48	4.79	16.76	14.45	5.89	12.06	11.65	8.80
−4.00	5.46	25.91	20.70	6.28	19.62	21.85	20.52

TABLE 71 — Time course of DHFR mutants

					Clone		Clone
	Clone	Clone	Clone	Clone	C2-25	Clone	C3-9
Time	C1-3	C1-8	C1-14	C2-20	(E162G,	C3-3	(H131R,
(hours)	(A107V)	(I17V)	(N127Y)	(N186D)	I17G)	(M140I)	E144G)
0	31994	4698	6960	38817	2529	4128	3163
4	32734	6429	9784	47867	4475	6173	5508
8	35802	9369	13441	49577	8434	9731	9893
12	42626	17719	22919	62290	11759	15300	12964
16	56181	29864	35122	80947	15363	23539	20010
20	67701	40277	48327	91020	22069	30451	26826
24	80303	55735	68399	126779	31618	49216	35591
48	148033	109505	141768	217925	45644	88419	60171

TABLE 72 — Stabilization ratios over time of DHFR mutants

					Clone		Clone
	Clone	Clone	Clone	Clone	C2-25	Clone	C3-9
Time	C1-3	C1-8	C1-14	C2-20	(E162G,	C3-3	(H131R,
(hours)	(A107V)	(I17V)	(N127Y)	(N186D)	I17G)	(M140I)	E144G)
4	1.02	1.37	1.41	1.23	1.77	1.50	1.74
8	1.12	1.99	1.93	1.28	3.33	2.36	3.13
12	1.33	3.77	3.29	1.60	4.65	3.71	4.10
16	1.76	6.36	5.05	2.09	6.07	5.70	6.33
20	2.12	8.57	6.94	2.34	8.73	7.38	8.48
24	2.51	11.86	9.83	3.27	12.50	11.92	11.25
48	4.63	23.31	20.37	5.61	18.05	21.42	19.02

TABLE 73 — Dose response of combination mutants

TMP	OT-DHFRC-029	OT-hDHFRC-030	OT-hDHFRC-031	OT-hDHFRC-032
dose		Stabilization		Stabilization		Stabilization		Stabilization
(log)	MFI	ratio	MFI	ratio	MFI	ratio	MFI	ratio
DMSO	3041	—	2539	—	2565	—	2627	—
−6.86	3439	1.13	2643	1.04	2922	1.14	2704	1.03
−6.39	4355	1.43	2618	1.03	3345	1.30	2694	1.03
−5.91	6966	2.29	2766	1.09	5576	2.17	2826	1.08
−5.43	23454	7.71	3494	1.38	15743	6.14	3246	1.24
−4.95	66170	21.76	6641	2.62	53282	20.77	5092	1.94
−4.48	115339	37.93	20890	8.23	98805	38.52	12247	4.66
−4	158659	52.17	66732	26.28	145144	56.59	49891	18.99

TABLE 74 — Luciferase activity Stabilization

	Vehicle	TMP	Ratio
Parental	1474.7	1797.73	1.22
OT-DHFR-023	584581.1	841816.8	1.44
OT-DHFR-024	246206.7	583806.7	2.37
OT-DHFR-025	308483.2	652375.1	2.11
OT-DHFR-026	350832	792842.8	2.26

TABLE 75 — Ligand dependent IL12 induction

Construct		10 μM	Stabilization
ID	Vehicle	Shield-1	ratio
OT-IL12-001	1289.61	1748.95	1.36
OT-IL12-002	18.01	50.73	2.82
OT-IL12-003	1762.55	2138.25	1.21
OT-IL12-004	385.95	1567.62	4.06
OT-IL12-005	1188.42	2670.80	2.25
HEK293T	−12.921	−22.015

TABLE 76 — Ligand dependent IL12 induction (6 hours) 6 hours

Media dilution			Stabilization
(fold)	Vehicle	Shield-1	ratio
10	0.17	0.58	3.35
40	0.10	0.26	2.62
160	0.08	0.12	1.41
640	0.09	0.08	0.93

TABLE 77 — Ligand dependent IL12 induction (24 hours) 24 hours

Media dilution			Stabilization
(fold)	Vehicle	Shield-1	ratio
10	0.28	1.33	4.69
40	0.12	0.79	6.39
160	0.09	0.30	3.44
640	0.08	0.12	1.46

TABLE 78 — IL12 induction over time

Time			Stabilization
(hrs)	Vehicle	Shield-1	ratio
2	0.13	0.18	1.41
4	0.14	0.26	1.89
6	0.13	0.29	2.30
8	0.14	0.28	1.99
24	0.18	0.99	5.47
48	0.23	1.79	7.71
72	0.26	1.63	6.28

TABLE 79 — Dose and cell number dependent IL12 induction

Shield-1	40000	20000	10000	5000
(μM)	cells/well	cells/well	cells/well	cells/well
10	623.77	656.70	214.11	193.62
3.333333	670.64	618.10	273.74	207.55
1.111111	677.27	872.24	322.56	203.71
0.37037	368.17	582.71	250.49	172.50
0.123457	197.29	343.34	156.98	95.92
0.041152	171.50	205.68	63.79	48.89
0.013717	117.25	103.56	13.30	−2.35
0.004572	66.34	60.58	2.11	−8.53
0.001524	100.43	39.55	−13.58	−21.76
0	83.49	7.92	−21.76	−26.97

TABLE 80 — DD-IL15 induction

Media dilution		10 μM	Stabilization
(fold)	Vehicle	TMP	ratio
1	0.396	0.820	2.073
4	0.154	0.287	1.867
16	0.074	0.116	1.567
64	0.056	0.073	1.301
256	0.053	0.057	1.075
1024	0.053	0.048	0.910
4096	0.049	0.049	0.995
16384	0.050	0.049	0.994

TABLE 81 — Surface expression of IL15 and IL15Ra % Positive cells

	OT-IL15-008	OT-IL15-009
IL15 and IL15Ra positive	2.03	0.51
IL15Ra positive	13.0	15.8
IL15 positive	0.29	0.60

TABLE 82 — IL15 induced markers

IL15 dose				Granzyme	pSTAT5	pSTAT5
(ng/ml)	CD69	CXCR4	Perforin	B	(15 mins)	(60 mins)	IFNgamma
100	1.91	3.87	1.67	1.48	1.98	2.34	9.00
20	2.10	3.62	1.57	1.40	1.96	2.35	5.55
4	1.59	3.03	1.28	1.16	1.81	2.35	2.76
0.8	1.18	2.10	1.16	1.09	1.76	2.17	1.92
0.16	0.99	1.41	1.04	1.03	1.44	2.08	2.41
0.032	1.05	1.14	0.92	0.92	1.23	1.67	0.95
0.0064	1.11	1.19	0.79	0.78	1.03	1.26	0.85
0.00128	1.07	1.15	0.85	0.88	0.99	1.04	1.19

TABLE 83 — IL12 induced markers

Marker	Fold change
CCR5	1.60
Perforin	1.67
Granzyme	1.87
IFNg	1.74
IFNg (supernatant)	666.15

TABLE 84 — NK cell activation markers

IL15 dose				Granzyme	pSTAT5	pSTAT5
(ng/ml)	CD69	CXCR4	Perforin	B	(15 mins)	(60 mins)	IFNgamma
100	1.91	3.87	1.67	1.48	1.98	2.34	9.00
20	2.10	3.62	1.57	1.40	1.96	2.35	5.55
4	1.59	3.03	1.28	1.16	1.81	2.35	2.76
0.8	1.18	2.10	1.16	1.09	1.76	2.17	1.92
0.16	0.99	1.41	1.04	1.03	1.44	2.08	2.41
0.032	1.05	1.14	0.92	0.92	1.23	1.67	0.95
0.0064	1.11	1.19	0.79	0.78	1.03	1.26	0.85
0.00128	1.07	1.15	0.85	0.88	0.99	1.04	1.19

TABLE 85 — IL2-induced markers

Marker	Fold change
CD69	1.60
CXCR4	3.56
Perforin	1.72
Granzyme	1.62
IFNg (cellular)	1.15
IFNg (Supernatant)	7.43
pAKT (15 mins)	1.23
pAKT (60 mins)	1.34
pSTAT3 (15 mins)	1.19
pSTAT3 (60 mins)	1.38
pSTAT5 (15 mins)	1.90

TABLE 86 — Study Design

		Concen-	Route of Day
HCT116 cells	Day 15 Dose	tration	15 Dose
OT-IL12-026	Vehicle	n/a	Intraperitoneal
	Shield-1 (1x)	10 mg/kg	Intraperitoneal
	Shield-1 (3x, 2 h apart)	10 mg/kg	Intraperitoneal
OT-IL12-029	Vehicle	n/a	Intraperitoneal
	Shield-1 (1x)	10 mg/kg	Intraperitoneal
	Shield-1 (3x, 2 h apart)	10 mg/kg	Intraperitoneal
OT-IL12-020	Vehicle	n/a	Intraperitoneal
	Shield-1 (1x)	10 mg/kg	Intraperitoneal
Parental	Vehicle	n/a	Intraperitoneal
	Shield-1 (1x)	10 mg/kg	Intraperitoneal

TABLE 87 — Study Design

HCT116 cells	Dose	Harvest Plug	Coverage above EC50
OT-IL12-026	Vehicle (1x)	8 hours after 1 st dose	—
	Vehicle (1x)	24 hours after 1 st dose	—
	AquaShield-100 mg/kg (1x)	8 hours after 1 st dose	4 hours
	AquaShield-100 mg/kg (2x, 4 hours	8 hours after 1 st dose	8 hours
	between doses)
	AquaShield-100 mg/kg (1x)	24 hours after 1 st dose	4 hours
	AquaShield-100 mg/kg (2x, 4 hours	24 hours after 1 st dose	8 hours
	between doses)
	AquaShield-100 mg/kg (3x, 4 hours	24 hours after 1 st dose	12 hours
	between doses)
OT-IL12-020	Vehicle (1x)	24 hours after 1 st dose	—
Parental	Vehicle (1x)	24 hours after 1 st dose	—

TABLE 88 — Study Design

Group	Description
A	Empty Vector, Day 3-6: oral vehicle daily for 4 days
B	OT-IL12-020, Day 3-6: oral vehicle daily for 4 days
C	OT-IL12-026: Day 3-6: oral vehicle daily for 4 days
D	OT-IL12-026, Day 3-6: Aquashield 50 mg/kg orally daily
	for 4 days
E	OT-IL12-026, Day 4 and 6: Aquashield 50 mg/kg orally
F	Empty Vector, Day 5 and 10: oral vehicle
G	OT-IL12-020, Day 5 and 10: oral vehicle
H	OT-IL12-026, Day 5 and 10: oral vehicle
I	OT-IL12-026, Day 5 and 10: Aquashield 50 mg/kg orally
J	OT-IL12-026, Day 10: Aquashield 50 mg/kg orally

TABLE 89 — Membrane Bound IL15 Expression

	EC50, uM	EC90, uM	EC50, uM	EC90, uM
TMP	(% IL15 +	(% IL15 +	(total	(total
Treatment	IL15Ra+)	IL15Ra+)	IL15 MFI)	IL15 MFI)
24 hour	0.035	0.255	0.063	0.75
24 hour (wash	11.5	59.6	11.1	66.9
at 2 hours)
6 hours	0.021	0.81	0.030	0.88

TABLE 90 — T Cell Groups

Group	N	T Cells	Treatment
1	4	Untransduced	—
2	4	OT-IL15-071 (pELNS vector, EF1a promoter,	—
		membrane bound IL15 sequence from
		OT-IL15-008)
3	4	OT-IL15-073 (pELNS vector, EF1a promoter,	Vehicle
		membrane bound IL15 sequence from
		OT-IL15-009)
4	4	OT-IL15-073 (pELNS vector, EF1a promoter,	TMP
		membrane bound IL15 sequence from
		OT-IL15-009)

TABLE 91 — Study Design Sample

Timepoint	Dose	Collection
Day −3	Inject T cells in mice by IV administration	—
Day 0	PO 1x or IP 1x	—
4 hours	PO 1x	—
6 hours	—	Bleed (survival)
24 hours	PO 2x or IP 1x	Bleed (survival)
Day 2	PO 1x or IP 1x	—
Day 3	PO 1x or IP 1x	—
Day 4	PO 2x or IP 1x	—
120 hours	PO 2x or IP 1x	Bleed (survival)
126 hours	—	Bleed (survival)
Day 6	PO 2x or IP 1x	—
Day 7	PO 2x or IP 1x	—
Day 8	—	Bleed (survival)
Day 19	—	Bleed (survival)
Day 25	—	Bleed (terminal)

TABLE 92 — TMP dose response

	TMP			OT-IL15-009	Stabilization	Destabilization
(hours)	Untransduced	OT-IL15-008	DMSO	TMP	Ratio	ratio
1	1.26	27.96	2.03	1.86	0.92	0.07
2	1.25	28.10	2.12	2.27	1.07	0.08
4	1.14	27.76	1.99	4.01	2.02	0.07
6	1.18	28.14	1.87	5.85	3.13	0.07
8	1.05	28.21	2.14	7.09	3.31	0.08
15	1.37	29.15	2.46	12.53	5.09	0.08
22	1.20	29.15	2.78	14.57	5.24	0.10
24	1.35	29.70	2.07	13.75	6.64	0.07

TABLE 93 — IL12 levels in T cells

Treatment	Control	OT-IL12-026	OT-IL12-029
Vehicle	0	17	24
Shield-1 1 μM	1	854	530

TABLE 94 — IL12 levels in T cells

Shield-1 (nM)	MOI = 4.4	MOI = 13.3	MOI = 40
0.1	49.44	48.10	88.30
1	50.44	48.61	80.07
5	50.44	49.54	88.83
10	178.18	220.08	374.90
50	357.11	420.72	608.85
100	710.56	972.56	1293.01
500	1284.95	1307.70	1861.36
1000	1152.28	1559.43	2346.15
2000	1071.54	1577.99	2330.88

TABLE 95 — Shield-1 EC 50 in T cells

MOI	EC50 (nM)
40	130
13.3	94
4.4	84

TABLE 96 — Time course of IL12 expression

Time		OT-IL12-026
(Hours)	Vector	OT-IL12-020	Vehicle	Shield-1	Stabilization ratio
4	0.20	2171.42	120.00	311.28	—
8	0.11	2090.96	81.82	499.45	6.10
16	0.27	1657.67	28.80	1070.71	37.17
24	0.23	2198.52	100.11	1447.78	14.46

TABLE 97 — IL12 levels in T cells in vivo

Construct	Time (hours)	Vehicle	Aquashield
Empty Vector	0	1.00	—
Empty Vector	24	1.00	—
OT-IL12-020	0	298221.91	—
OT-IL12-020	24	268743.49	—
OT-IL12-026	0	1070.18	885.41
OT-IL12-026	4	1108.22	20141.45
OT-IL12-026	8	1195.68	32287.39
OT-IL12-026	12	1026.01	30137.85
OT-IL12-026	24	1032.65	7903.30

TABLE 98 — Shield-1 dose response

	50 mg/kg Aquashield	100 mg/kg Aquashield
Time		IL12	Stabilization	IL12	Stabilization
(hours)	Vehicle	(pg/ml)	ratio	(pg/ml)	ratio
0	3.97	4.27	—	4.74	—
4	1.66	85.83	51.73	130.53	78.68
8	1.40	54.96	33.12	157.88	95.16
24	1.39	4.45	2.68	9.98	6.01
48	1.72	2.93	1.76	3.50	2.11
52	1.82	60.27	36.32	91.37	55.07
56	0.95	43.71	26.35	106.09	63.94
72	1.01	3.84	2.32	6.53	3.93

TABLE 99 — IL12 response to second dose of Shield-1

		10 mg/kg Aquashield	50 mg/kg Aquashield	100 mg/kg Aquashield
Time		IL12	Stabilization	IL12	Stabilization	IL12	Stabilization
(hours)	Vehicle	(pg/ml)	ratio	(pg/ml)	ratio	(pg/ml)	ratio
0	1.72	2.79	—	2.93	—	3.50	—
4	1.82	8.13	4.48	60.27	33.20	91.37	50.34
8	0.95	4.35	2.40	43.71	24.08	106.09	58.45
24	1.01	1.52	0.84	3.84	2.12	6.53	3.60

TABLE 100 — T cell proliferation

Experimental	Donor1		Donor 2
condition	Day 4	Day 7	Day 4	Day 7
MOI 3:1	1.70	5.00	1.94	3.90
MOI 1:1	2.15	3.95	2.55	4.30
MOI 1:3	1.69	4.25	2.75	8.80
MOI 1:9	1.65	3.70	3.91	6.35
MOI Immuno Cult	0.98	2.30	0.95	3.05
LB 3:1	2.10	4.25	1.45	5.00
LB 1:1	2.20	6.35	2.35	6.65
LB 1:3	2.05	9.45	2.97	10.50
LB 1:9	1.55	5.60	2.77	3.75
LB Immuno Cult	1.05	3.10	0.86	2.30

TABLE 101 — Effect of viral titer and bead to cell ratio Bead to cell ratio

	MOI	3:1	1:1	1:3	1:9	Immunocult
10	MOI	0.81	0.93	0.85	1.28	1.42
2	MOI	0.37	0.50	0.51	1.00	0.65
0.4	MOI	0.33	0.46	0.50	0.72	0.86

TABLE 102 — CD4 to CD8 cell ratio

	Donor 1	Donor 2
MOI	3:1	1:1	1:3	1:9	Immunocult	3:1	1:1	1:3	1:9	Immunocult
10	8.63	8.73	5.84	3.7	7.44	4.53	3.25	2.56	1.65	2.75
2	9.6	9.91	7.18	4.11	6.45	5.25	3.16	2.04	1.56	3.23
0.4	10.85	11.33	7.51	4.23	5	6.22	4.71	2.59	1.43	3.55
LB	6.95	7.24	5.24	3.21	4.96	3.86	3.27	2.18	1.23	2.78

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Claims as granted

29 claims

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6 codes

IPC · International Patent Classification

Section A — Human necessities

A61K35/17

Section C — Chemistry; metallurgy

C07K14/54
C12N9/06
C12N15/85
C07K14/715
C07K14/705

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