Uniprot accession / id : P09793  OR   Uniprot accession / id : P16410
 
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Entry Information
Entry status  (1)
REL
(27)
 
Experimental methods  (2)
X-ray diffraction
(26)
Solution NMR
(1)
 
Authors  (200)
Almo SC
(6)
Barman I
(5)
Bee C
(5)
Chau B
(5)
Lee PS
(5)
Rajpal A
(5)
Strop P
(5)
Korman AJ
(4)
Zhou A
(4)
Bonanno JB
(3)
Chang O
(3)
Davis SJ
(3)
Diong SJ
(3)
Fedorov AA
(3)
Gao H
(3)
Kumar A
(3)
Moon TM
(3)
Robison B
(3)
West S
(3)
Zhang F
(3)
Chai Y
(2)
Chew PV
(2)
Deyanova EG
(2)
Dollinger G
(2)
Engelhardt JJ
(2)
Evans EJ
(2)
Fedorov EV
(2)
Gao GF
(2)
Gilbert RJ
(2)
Gilbert RJC
(2)
Gudmundsson O
(2)
Ikemizu S
(2)
Lohre J
(2)
MacDonald KG
(2)
Massi E
(2)
Nandi P
(2)
Nathenson SG
(2)
Perkins P
(2)
Qi J
(2)
Schwartz JC
(2)
Shi Y
(2)
Sonnen AF
(2)
Sonnen AF-P
(2)
Sproul T
(2)
Stuart DI
(2)
Tan S
(2)
Thudium K
(2)
Wang J
(2)
Yu C
(2)
Zhang Y
(2)
Abbott WM
(1)
Abe R
(1)
Allen A
(1)
Almo S
(1)
Bajorath J
(1)
Baker D
(1)
Bell A
(1)
Bera AK
(1)
Cai H
(1)
Cao L
(1)
Carter L
(1)
Chae J
(1)
Chatwell L
(1)
Chen F
(1)
Chen V
(1)
Choi J
(1)
Constantine KL
(1)
Conventry B
(1)
Deshpande S
(1)
Dessailly BH
(1)
Devenport M
(1)
Dou F
(1)
Drabek D
(1)
Edman N
(1)
Erbe DV
(1)
Fenderson W
(1)
Feng H
(1)
Follows ER
(1)
Gan X
(1)
Garrett S
(1)
Garrett-Thomson SC
(1)
George R
(1)
Gerben SR
(1)
Ghosh A
(1)
Goreshnik I
(1)
Grosveld F
(1)
Guan J
(1)
Halabiya SF
(1)
He M
(1)
He Y
(1)
Heine P
(1)
Heo YS
(1)
Hicks DR
(1)
Hinck AP
(1)
Hinck CS
(1)
Hohlbaum A
(1)
Huang B
(1)
Iiyama M
(1)
Ito N
(1)
Janssens R
(1)
 
More...
 
Homo / hetero assembly  (2)
hetero
(21)
homo
(6)
 
Assembly composition  (2)
protein/protein complex
(21)
protein structure
(6)
 
Assembly polymer count  (4)
trimer
(11)
dimer
(9)
tetramer
(4)
monomer
(3)
 
Resolution distribution
1.0 - 1.5
(1)
1.5 - 2
(6)
2.0 - 2.5
(5)
2.5 - 3
(7)
3.0 - 3.5
(6)
3.5 - 4
(1)
 
Release year distribution
1995 - 2000
(2)
2000 - 2005
(4)
2005 - 2010
(3)
2010 - 2015
(3)
2015 - 2020
(10)
2020 - 2025
(14)
2025 - 2030
(3)
 
Journal  (14)
To be published
(7)
MAbs
(6)
Nature
(2)
Proc Natl Acad Sci U S A
(2)
Biochem J
(1)
Cell Discov
(1)
J Biol Chem
(1)
J Mol Biol
(1)
Mol Immunol
(1)
Nat Commun
(1)
Nat Struct Biol
(1)
Oncotarget
(1)
Science
(1)
bioRxiv
(1)
 
Macromolecules
Organism superkingdom  (1)
Eukaryota
(27)
 
Organism name  (2)
Homo sapiens
(24)
Mus musculus
(3)
 
Molecule name  (3)
CTLA-4
(27)
Cytotoxic T-lymphocyte protein 4
(27)
Cytotoxic T-lymphocyte-associated antigen 4
(27)
 
Molecule type  (1)
Protein
(27)
 
Gene names  (4)
CD152
(22)
CTLA4
(22)
Cd152
(5)
Ctla4
(5)
 
Interacting Molecules  (28)
Fab heavy chain
(2)
Fab light chain
(2)
mipi.4 heavy chain
(2)
mipi.4 light chain
(2)
4003-1(VH)
(1)
9D9 heavy chain
(1)
9D9 light chain
(1)
A blocking anti-CTLA-4 nanobody (KN044)
(1)
A non-blocking CTLA-4 nanobody
(1)
AP-2 complex subunit mu
(1)
Antibody Ipilimumab heavy chain
(1)
Antibody Ipilimumab light chain
(1)
CTLA-4 binder
(1)
CTLA-4 nanobody
(1)
ENGINEERED HUMAN LIPOCALIN 2
(1)
Heavy chain
(1)
Ipilimumab Fab heavy chain
(1)
Ipilimumab Fab light chain
(1)
JS007-VH
(1)
JS007-VL
(1)
Light chain
(1)
Phosphatidylinositol 3-kinase regulatory subunit alpha
(1)
T-lymphocyte activation antigen CD80
(1)
T-lymphocyte activation antigen CD86
(1)
heavy chain
(1)
heavy chain of Fab
(1)
light chain
(1)
light chain of Fab
(1)
 
Interacting ligands  (9)
NAG : 2-acetamido-2-deoxy-beta-D-glucopyranose
(8)
FUC : alpha-L-fucopyranose
(3)
BMA : beta-D-mannopyranose
(2)
GOL : GLYCEROL
(2)
NA : SODIUM ION
(2)
CL : CHLORIDE ION
(1)
EDO : 1,2-ETHANEDIOL
(1)
FLC : CITRATE ANION
(1)
FUL : beta-L-fucopyranose
(1)
 
Function and Biology
Biological process  (2)
immune response
(22)
regulation of T cell proliferation
(22)
 
Biological cell component  (1)
membrane
(22)
 
Sequence and Structure classification
SCOP fold  (1)
Immunoglobulin-like beta-sandwich
(4)
 
SCOP family  (1)
V set domains (antibody variable domain-like)
(4)
 
CATH class  (1)
Mainly Beta
(12)
 
CATH topology  (1)
Immunoglobulin-like
(12)
 
Pfam accession / name  (1)
PF07686 : V-set
(25)
 
Experimental Information
Diffraction protocol  (1)
Single wavelength
(26)
 
Diffraction radiation source type  (2)
Synchrotron
(25)
Rotating anode
(1)
 
Diffraction source  (16)
APS BEAMLINE 17-ID
(5)
SSRF BEAMLINE BL17U1
(3)
APS BEAMLINE 31-ID
(2)
NSLS BEAMLINE X9B
(2)
SSRF BEAMLINE BL17U
(2)
SSRF BEAMLINE BL19U1
(2)
ALS BEAMLINE 5.0.2
(1)
APS BEAMLINE 24-ID-E
(1)
BESSY BEAMLINE 14.1
(1)
DIAMOND BEAMLINE I04
(1)
NSLS-II BEAMLINE 17-ID-2
(1)
PAL/PLS BEAMLINE 5C (4A)
(1)
PHOTON FACTORY BEAMLINE BL-17A
(1)
RIGAKU
(1)
SRS BEAMLINE PX9.6
(1)
SSRF BEAMLINE BL18U1
(1)
 
Synchrotron site  (10)
APS
(8)
SSRF
(8)
NSLS
(2)
ALS
(1)
BESSY
(1)
Diamond
(1)
NSLS-II
(1)
PAL/PLS
(1)
Photon Factory
(1)
SRS
(1)
 
Diffraction detector type  (4)
Pixel
(14)
CCD
(10)
Area detector
(1)
Image plate
(1)
 
Refinement software  (5)
PHENIX
(16)
REFMAC
(6)
CNS
(4)
CNX
(1)
X-PLOR
(1)
 
NMR
NMR software packages  (1)
X-PLOR
(1)
 
NMR Field Strength
500.0 - 600
(1)
600.0 - 700
(1)
 
Representative Structures
Representative Structures
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Entries 1 to 10 of 27
Entries 1 to 10 of 27
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Molecular interactions of cytoplasmic region of CTLA-4 with SH2 domains of PI3-kinase
Iiyama M, Numoto N, Ogawa S, Kuroda M, Morii H, Abe R, Ito N, Oda M
Mol Immunol (2021) [PMID: 33386150  ]
Source organism: Homo sapiens  
Assembly composition: protein/protein complex
Modified residues: PTR    PTR   
Assembly name: Phosphatidylinositol 3-kinase regulatory subunit alpha and Cytotoxic T-lymphocyte protein 4 (Preferred)   search this complex
PDBe complex ID: PDB-CPX-147703 (Preferred)   search this ID
PDBe-KB: P16410    P27986   
X-ray diffraction
1.1Å resolution
Released: 9 Dec 2020
Model geometry
Fit model/data
7cio
7cio
7cio
Crystal structure of CTLA-4 in complex with a high affinity CTLA-4 binder
Yang W, Almo SC, Baker D, Ghosh A
bioRxiv (2024) [PMID: 38746206  ]
Assembly composition: protein/protein complex
Bound ligands: K    K   
Assembly name: Cytotoxic T-lymphocyte protein 4 (Preferred)   search this complex
PDBe complex ID: PDB-CPX-280551 (Preferred)   search this ID
PDBe-KB: P16410   
X-ray diffraction
2.72Å resolution
Released: 21 Aug 2024
Model geometry
Fit model/data
8gab
8gab
8gab
The crystal structure of CTLA-4 and Fab
Yu XJ, Wang L, Yu CF
To be published
Source organism: Homo sapiens  
Assembly composition: protein/protein complex
Assembly name: Cytotoxic T-lymphocyte protein 4 and IG-heavy chain and IG-light kappa chain (Preferred)   search this complex
PDBe complex ID: PDB-CPX-210688 (Preferred)   search this ID
PDBe-KB: P16410   
X-ray diffraction
2.14Å resolution
Released: 30 Jun 2021
Model geometry
Fit model/data
7elx
7elx
7elx
Structure of the first-in-class checkpoint inhibitor Ipilimumab bound to human CTLA-4
Ramagopal UA, Liu W, Garrett-Thomson SC, Yan Q, Srinivasan M, Wong SC, Bell A, Mankikar S, Rangan VS, Deshpande S, Bonanno JB, Korman AJ, Almo SC
Proc Natl Acad Sci U S A (2017) [PMID: 28484017  ]
Source organism: Homo sapiens  
Assembly composition: protein/protein complex
Assembly name: Cytotoxic T-lymphocyte protein 4 and IG-light kappa chain and IG-heavy chain (Preferred)   search this complex
PDBe complex ID: PDB-CPX-230878 (Preferred)   search this ID
PDBe-KB: P16410   
X-ray diffraction
3Å resolution
Released: 10 May 2017
Model geometry
Fit model/data
5tru
5tru
5tru
CTLA-4 in complex with tremelimumab Fab
Heo YS
Nat Commun (2016) [PMID: 27796306  ]
Source organism: Homo sapiens  
Assembly composition: protein/protein complex
Assembly name: Cytotoxic T-lymphocyte protein 4 and IG-light kappa chain and IG-heavy chain (Preferred)   search this complex
PDBe complex ID: PDB-CPX-210683 (Preferred)   search this ID
PDBe-KB: P16410   
X-ray diffraction
1.998Å resolution
Released: 9 Nov 2016
Model geometry
Fit model/data
5ggv
5ggv
5ggv
Crystal structure of mouse CTLA-4 in complex with nanobody
Fedorov AA, Fedorov EV, Samanta D, Bonanno JB, Almo SC
To be published
Source organisms: Camelidae  , Mus musculus  
Assembly composition: protein/protein complex
Bound ligands: GOL   
Assembly name: Cytotoxic T-lymphocyte protein 4 and IG-heavy chain (Preferred)   search this complex
PDBe complex ID: PDB-CPX-209420 (Preferred)   search this ID
PDBe-KB: P09793   
X-ray diffraction
2.182Å resolution
Released: 12 Oct 2016
Model geometry
Fit model/data
5e5m
5e5m
5e5m
Complex structure of ipilimumab-scFv and CTLA-4
He M, Chai Y, Qi J, Tong Z, Tan S, Gao GF
Oncotarget (2017) [PMID: 28978021  ]
Source organism: Homo sapiens  
Assembly composition: protein only structure
Assembly name: Cytotoxic T-lymphocyte protein 4 (Preferred)   search this complex
PDBe complex ID: PDB-CPX-147702 (Preferred)   search this ID
PDBe-KB: P16410   
X-ray diffraction
3.2Å resolution
Released: 25 Apr 2018
Model geometry
Fit model/data
5xj3
5xj3
5xj3
Crystal structure of mouse CTLA-4
Fedorov AA, Fedorov EV, SAMANTA D, Bonanno JB, Almo SC
To be published
Source organism: Mus musculus  
Assembly composition: protein only structure
Bound ligands: NA    NA   
Assembly name: Cytotoxic T-lymphocyte protein 4 (Preferred)   search this complex
PDBe complex ID: PDB-CPX-140747 (Preferred)   search this ID
PDBe-KB: P09793   
X-ray diffraction
1.504Å resolution
Released: 28 Oct 2015
Model geometry
Fit model/data
5e56
5e56
5e56
Crystal Structure of Ipilimumab Fab complexed with CTLA-4 at 2.6A resolution
Zhang F, Zhou A
To be published
Source organism: Homo sapiens  
Assembly composition: protein/protein complex
Assembly name: Cytotoxic T-lymphocyte protein 4 and IG-heavy chain and IG-light kappa chain (Preferred)   search this complex
PDBe complex ID: PDB-CPX-210685 (Preferred)   search this ID
PDBe-KB: P16410   
X-ray diffraction
2.6Å resolution
Released: 8 Jul 2020
Model geometry
Fit model/data
6rp8
6rp8
6rp8
Crystal structure of anti-CTLA-4 humanized IgG1 MAb--JS007 in complex with human CTLA-4
Tan S, Shi Y, Wang Q, Gao GF, Guan J, Chai Y, Qi J
MAbs (2023) [PMID: 36511654  ]
Assembly composition: protein/protein complex
Assembly name: Cytotoxic T-lymphocyte protein 4 and IG-heavy chain and IG-light kappa chain (Preferred)   search this complex
PDBe complex ID: PDB-CPX-279817 (Preferred)   search this ID
PDBe-KB: P16410   
X-ray diffraction
3.2Å resolution
Released: 1 Feb 2023
Model geometry
Fit model/data
8hit
8hit
8hit
Entries 1 to 10 of 27
Entries 1 to 10 of 27