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6LRY

Crystal structure of human endothelin ETB receptor in complex with sarafotoxin S6b

Functional Information from GO Data
ChainGOidnamespacecontents
A0003796molecular_functionlysozyme activity
A0004930molecular_functionG protein-coupled receptor activity
A0007186biological_processG protein-coupled receptor signaling pathway
A0009253biological_processpeptidoglycan catabolic process
A0016020cellular_componentmembrane
A0016998biological_processcell wall macromolecule catabolic process
B0005576cellular_componentextracellular region
B0019229biological_processregulation of vasoconstriction
Functional Information from PROSITE/UniProt
site_idPS00237
Number of Residues17
DetailsG_PROTEIN_RECEP_F1_1 G-protein coupled receptors family 1 signature. ITVlSLCALSIDRYRaV
ChainResidueDetails
AILE187-VAL203

site_idPS00270
Number of Residues15
DetailsENDOTHELIN Endothelin family signature. CsCkdmtDkeClyFC
ChainResidueDetails
BCYS1-CYS15

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI2
Number of Residues24
DetailsTransmembrane: {"description":"Helical; Name=1","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues10
DetailsTopological domain: {"description":"Cytoplasmic","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues25
DetailsTransmembrane: {"description":"Helical; Name=2","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues49
DetailsTopological domain: {"description":"Extracellular","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues21
DetailsTransmembrane: {"description":"Helical; Name=3","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues24
DetailsTransmembrane: {"description":"Helical; Name=4","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues24
DetailsTransmembrane: {"description":"Helical; Name=5","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues25
DetailsTransmembrane: {"description":"Helical; Name=6","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues26
DetailsTransmembrane: {"description":"Helical; Name=7","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"P28088","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues1
DetailsLipidation: {"description":"S-palmitoyl cysteine","evidences":[{"source":"PubMed","id":"9261180","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues1
DetailsLipidation: {"description":"S-palmitoyl cysteine","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI14
Number of Residues20
DetailsPeptide: {"description":"Sarafotoxin-B","featureId":"PRO_0000008142"}
ChainResidueDetails

site_idSWS_FT_FI15
Number of Residues1
DetailsSite: {"description":"Endothelin-receptor binding site","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

247947

PDB entries from 2026-01-21

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