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6TPK

Crystal structure of the human oxytocin receptor

Functional Information from GO Data
ChainGOidnamespacecontents
A0004930molecular_functionG protein-coupled receptor activity
A0004990molecular_functionoxytocin receptor activity
A0005000molecular_functionvasopressin receptor activity
A0007186biological_processG protein-coupled receptor signaling pathway
A0016020cellular_componentmembrane
Functional Information from PDB Data
site_idAC1
Number of Residues10
Detailsbinding site for residue NU2 A 1501
ChainResidue
AGLN92
AALA318
ALYS116
AGLN119
AMET123
AGLN171
AILE201
ATRP288
APHE291
AGLN295

site_idAC2
Number of Residues4
Detailsbinding site for residue CLR A 1502
ChainResidue
APHE191
AILE192
ATYR200
ATRP203

site_idAC3
Number of Residues5
Detailsbinding site for residue PEG A 1503
ChainResidue
AGLU349
AGLY354
AARG359
AARG383
ALYS393

Functional Information from PROSITE/UniProt
site_idPS00237
Number of Residues17
DetailsG_PROTEIN_RECEP_F1_1 G-protein coupled receptors family 1 signature. ASTyLLLLMSLDRCLaI
ChainResidueDetails
AALA125-ILE141

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues24
DetailsTransmembrane: {"description":"Helical; Name=1","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues22
DetailsTransmembrane: {"description":"Helical; Name=2","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues55
DetailsTopological domain: {"description":"Extracellular","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues21
DetailsTransmembrane: {"description":"Helical; Name=3","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues18
DetailsTopological domain: {"description":"Cytoplasmic","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues20
DetailsTransmembrane: {"description":"Helical; Name=4","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues22
DetailsTransmembrane: {"description":"Helical; Name=5","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues18
DetailsTransmembrane: {"description":"Helical; Name=6","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues22
DetailsTransmembrane: {"description":"Helical; Name=7","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"P70536","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

246333

PDB entries from 2025-12-17

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