7CIO
 
 | | Molecular interactions of cytoplasmic region of CTLA-4 with SH2 domains of PI3-kinase | | Descriptor: | Cytotoxic T-lymphocyte protein 4, Phosphatidylinositol 3-kinase regulatory subunit alpha | | Authors: | Iiyama, M, Numoto, N, Ogawa, S, Kuroda, M, Morii, H, Abe, R, Ito, N, Oda, M. | | Deposit date: | 2020-07-08 | | Release date: | 2020-12-09 | | Last modified: | 2023-11-29 | | Method: | X-RAY DIFFRACTION (1.1 Å) | | Cite: | Molecular interactions of the CTLA-4 cytoplasmic region with the phosphoinositide 3-kinase SH2 domains.
Mol.Immunol., 131, 2021
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3OSK
 | | Crystal structure of human CTLA-4 apo homodimer | | Descriptor: | 2-acetamido-2-deoxy-beta-D-glucopyranose, Cytotoxic T-lymphocyte protein 4, GLYCEROL | | Authors: | Yu, C, Sonnen, A.F.-P, Ikemizu, S, Stuart, D.I, Gilbert, R.J.C, Davis, S.J. | | Deposit date: | 2010-09-09 | | Release date: | 2010-12-08 | | Last modified: | 2023-11-01 | | Method: | X-RAY DIFFRACTION (1.8 Å) | | Cite: | Rigid-body ligand recognition drives cytotoxic T-lymphocyte antigen 4 (CTLA-4) receptor triggering
J.Biol.Chem., 286, 2011
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5GGV
 | | CTLA-4 in complex with tremelimumab Fab | | Descriptor: | Cytotoxic T-lymphocyte protein 4, heavy chain, light chain | | Authors: | Heo, Y.S. | | Deposit date: | 2016-06-16 | | Release date: | 2016-11-09 | | Last modified: | 2016-11-16 | | Method: | X-RAY DIFFRACTION (1.998 Å) | | Cite: | Structural basis of checkpoint blockade by monoclonal antibodies in cancer immunotherapy
Nat Commun, 7, 2016
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3BX7
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7ELX
 | | The crystal structure of CTLA-4 and Fab | | Descriptor: | Cytotoxic T-lymphocyte protein 4, heavy chain of Fab, light chain of Fab | | Authors: | Yu, X.J, Wang, L, Yu, C.F. | | Deposit date: | 2021-04-12 | | Release date: | 2021-06-30 | | Last modified: | 2023-11-29 | | Method: | X-RAY DIFFRACTION (2.14 Å) | | Cite: | The crystal structure of CTLA-4 and Fab
To Be Published
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7DV4
 | | Crystal structure of anti-CTLA-4 VH domain in complex with human CTLA-4 | | Descriptor: | 1,2-ETHANEDIOL, 4003-1(VH), Cytotoxic T-lymphocyte protein 4 | | Authors: | Li, H, Gan, X, He, Y. | | Deposit date: | 2021-01-12 | | Release date: | 2022-01-12 | | Last modified: | 2023-11-29 | | Method: | X-RAY DIFFRACTION (2.38 Å) | | Cite: | An anti-CTLA-4 heavy chain-only antibody with enhanced T reg depletion shows excellent preclinical efficacy and safety profile.
Proc.Natl.Acad.Sci.USA, 119, 2022
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7SU0
 | | Crystal structure of an acidic pH-selective Ipilimumab variant Ipi.105 in complex with CTLA-4 | | Descriptor: | 2-acetamido-2-deoxy-beta-D-glucopyranose, CITRATE ANION, Cytotoxic T-lymphocyte protein 4, ... | | Authors: | Lee, P.S, Chau, B, Strop, P. | | Deposit date: | 2021-11-15 | | Release date: | 2022-03-02 | | Last modified: | 2023-10-18 | | Method: | X-RAY DIFFRACTION (2.41 Å) | | Cite: | Improved therapeutic index of an acidic pH-selective antibody.
Mabs, 14, 2022
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7SU1
 | | Crystal structure of an acidic pH-selective Ipilimumab variant Ipi.106 in complex with CTLA-4 | | Descriptor: | 2-acetamido-2-deoxy-beta-D-glucopyranose, Cytotoxic T-lymphocyte protein 4, Fab heavy chain, ... | | Authors: | Lee, P.S, Chau, B, Strop, P. | | Deposit date: | 2021-11-15 | | Release date: | 2022-03-02 | | Last modified: | 2023-10-18 | | Method: | X-RAY DIFFRACTION (2.53 Å) | | Cite: | Improved therapeutic index of an acidic pH-selective antibody.
Mabs, 14, 2022
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2X44
 | | Structure of a strand-swapped dimeric form of CTLA-4 | | Descriptor: | CYTOTOXIC T-LYMPHOCYTE PROTEIN 4 | | Authors: | Sonnen, A.F.-P, Yu, C, Evans, E.J, Stuart, D.I, Davis, S.J, Gilbert, R.J.C. | | Deposit date: | 2010-01-28 | | Release date: | 2010-04-07 | | Last modified: | 2023-12-20 | | Method: | X-RAY DIFFRACTION (2.6 Å) | | Cite: | Domain Metastability: A Molecular Basis for Immunoglobulin Deposition?
J.Mol.Biol., 399, 2010
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6RP8
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1I8L
 | | HUMAN B7-1/CTLA-4 CO-STIMULATORY COMPLEX | | Descriptor: | 2-acetamido-2-deoxy-beta-D-glucopyranose, CYTOTOXIC T-LYMPHOCYTE PROTEIN 4, T LYMPHOCYTE ACTIVATION ANTIGEN CD80, ... | | Authors: | Stamper, C.C, Somers, W.S, Mosyak, L. | | Deposit date: | 2001-03-14 | | Release date: | 2001-04-04 | | Last modified: | 2024-04-03 | | Method: | X-RAY DIFFRACTION (3 Å) | | Cite: | Crystal structure of the B7-1/CTLA-4 complex that inhibits human immune responses.
Nature, 410, 2001
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5TRU
 | | Structure of the first-in-class checkpoint inhibitor Ipilimumab bound to human CTLA-4 | | Descriptor: | Cytotoxic T-lymphocyte protein 4, Ipilimumab Fab heavy chain, Ipilimumab Fab light chain | | Authors: | Ramagopal, U.A, Liu, W, Garrett-Thomson, S.C, Yan, Q, Srinivasan, M, Wong, S.C, Bell, A, Mankikar, S, Rangan, V.S, Deshpande, S, Bonanno, J.B, Korman, A.J, Almo, S.C. | | Deposit date: | 2016-10-27 | | Release date: | 2017-05-10 | | Last modified: | 2023-10-04 | | Method: | X-RAY DIFFRACTION (3 Å) | | Cite: | Structural basis for cancer immunotherapy by the first-in-class checkpoint inhibitor ipilimumab.
Proc. Natl. Acad. Sci. U.S.A., 114, 2017
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6RQM
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6XY2
 | | Crystal structure of CTLA-4 complexed with the Fab of HL32 antibody | | Descriptor: | 2-acetamido-2-deoxy-beta-D-glucopyranose, Cytotoxic T-lymphocyte protein 4, Heavy chain, ... | | Authors: | Gao, H, Zhou, A. | | Deposit date: | 2020-01-29 | | Release date: | 2020-12-09 | | Last modified: | 2024-01-24 | | Method: | X-RAY DIFFRACTION (3.05 Å) | | Cite: | Structure of CTLA-4 complexed with a pH-sensitive cancer immunotherapeutic antibody.
Cell Discov, 6, 2020
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8HIT
 | | Crystal structure of anti-CTLA-4 humanized IgG1 MAb--JS007 in complex with human CTLA-4 | | Descriptor: | Cytotoxic T-lymphocyte protein 4, JS007-VH, JS007-VL | | Authors: | Tan, S, Shi, Y, Wang, Q, Gao, G.F, Guan, J, Chai, Y, Qi, J. | | Deposit date: | 2022-11-21 | | Release date: | 2023-02-01 | | Method: | X-RAY DIFFRACTION (3.2 Å) | | Cite: | Characterization of the high-affinity anti-CTLA-4 monoclonal antibody JS007 for immune checkpoint therapy of cancer.
Mabs, 15, 2023
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1I85
 | | CRYSTAL STRUCTURE OF THE CTLA-4/B7-2 COMPLEX | | Descriptor: | CYTOTOXIC T-LYMPHOCYTE-ASSOCIATED PROTEIN 4, T LYMPHOCYTE ACTIVATION ANTIGEN CD86 | | Authors: | Schwartz, J.-C.D, Zhang, X, Fedorov, A.A, Nathenson, S.G, Almo, S.C. | | Deposit date: | 2001-03-12 | | Release date: | 2001-04-04 | | Last modified: | 2011-07-13 | | Method: | X-RAY DIFFRACTION (3.2 Å) | | Cite: | Structural basis for co-stimulation by the human CTLA-4/B7-2 complex.
Nature, 410, 2001
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5XJ3
 | | Complex structure of ipilimumab-scFv and CTLA-4 | | Descriptor: | Cytotoxic T-lymphocyte protein 4, ipilimumab-VH, ipilimumab-VL | | Authors: | He, M, Chai, Y, Qi, J, Tong, Z, Tan, S, Gao, G.F. | | Deposit date: | 2017-04-29 | | Release date: | 2018-04-25 | | Last modified: | 2023-11-22 | | Method: | X-RAY DIFFRACTION (3.2 Å) | | Cite: | Remarkably similar CTLA-4 binding properties of therapeutic ipilimumab and tremelimumab antibodies
Oncotarget, 8, 2017
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6RPJ
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1H6E
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1AH1
 | | CTLA-4, NMR, 20 STRUCTURES | | Descriptor: | CTLA-4, beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose, beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[beta-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose | | Authors: | Metzler, W.J, Bajorath, J, Fenderson, W, Shaw, S.-Y, Peach, R, Constantine, K.L, Naemura, J, Leytze, G, Lavoie, T.B, Mueller, L, Linsley, P.S. | | Deposit date: | 1997-04-11 | | Release date: | 1998-04-15 | | Last modified: | 2020-07-29 | | Method: | SOLUTION NMR | | Cite: | Solution structure of human CTLA-4 and delineation of a CD80/CD86 binding site conserved in CD28.
Nat.Struct.Biol., 4, 1997
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