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9DQ5

Crystal structure of Anti-CTLA-4 Fab (9D9) in complex with mouse CTLA-4

Functional Information from GO Data
ChainGOidnamespacecontents
C0006955biological_processimmune response
C0016020cellular_componentmembrane
C0042129biological_processregulation of T cell proliferation
D0006955biological_processimmune response
D0016020cellular_componentmembrane
D0042129biological_processregulation of T cell proliferation
Functional Information from PROSITE/UniProt
site_idPS00290
Number of Residues7
DetailsIG_MHC Immunoglobulins and major histocompatibility complex proteins signature. YICNVNH
ChainResidueDetails
HTYR198-HIS204
LTYR197-HIS203

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues8
DetailsRegion: {"description":"Homodimerization","evidences":[{"source":"UniProtKB","id":"P16410","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues10
DetailsRegion: {"description":"Important for interaction with CD80 and CD86","evidences":[{"source":"UniProtKB","id":"P16410","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues6
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

248942

PDB entries from 2026-02-11

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