Loading
PDBj
MenuPDBj@FacebookPDBj@X(formerly Twitter)PDBj@BlueSkyPDBj@YouTubewwPDB FoundationwwPDBDonate
RCSB PDBPDBeBMRBAdv. SearchSearch help

6XY2

Crystal structure of CTLA-4 complexed with the Fab of HL32 antibody

Functional Information from GO Data
ChainGOidnamespacecontents
A0006955biological_processimmune response
A0016020cellular_componentmembrane
A0042129biological_processregulation of T cell proliferation
Functional Information from PROSITE/UniProt
site_idPS00290
Number of Residues7
DetailsIG_MHC Immunoglobulins and major histocompatibility complex proteins signature. YACEVTH
ChainResidueDetails
LTYR192-HIS198
HTYR206-HIS212

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues101
DetailsDomain: {"description":"Ig-like V-type"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsRegion: {"description":"Homodimerization","evidences":[{"source":"PubMed","id":"21156796","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues5
DetailsRegion: {"description":"Important for interaction with CD80 and CD86","evidences":[{"source":"PubMed","id":"28484017","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"source":"PubMed","id":"11279502","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"16002699","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"21156796","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues1
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"source":"PubMed","id":"11279502","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"16002699","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

238895

PDB entries from 2025-07-16

PDB statisticsPDBj update infoContact PDBjnumon