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4IAQ

Crystal structure of the chimeric protein of 5-HT1B-BRIL in complex with dihydroergotamine (PSI Community Target)

Functional Information from GO Data
ChainGOidnamespacecontents
A0004930molecular_functionG protein-coupled receptor activity
A0004993molecular_functionG protein-coupled serotonin receptor activity
A0005506molecular_functioniron ion binding
A0005886cellular_componentplasma membrane
A0007186biological_processG protein-coupled receptor signaling pathway
A0009055molecular_functionelectron transfer activity
A0016020cellular_componentmembrane
A0020037molecular_functionheme binding
A0022900biological_processelectron transport chain
A0042597cellular_componentperiplasmic space
A0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues14
DetailsBINDING SITE FOR RESIDUE 2GM A 2001
ChainResidue
AASP129
APHE330
ALEU348
APHE351
AASP352
ATHR355
AILE130
ACYS133
ATHR134
ACYS199
AVAL200
AVAL201
AALA216
ATRP327

Functional Information from PROSITE/UniProt
site_idPS00237
Number of Residues17
DetailsG_PROTEIN_RECEP_F1_1 G-protein coupled receptors family 1 signature. ASIwHLCVIALDRYWaI
ChainResidueDetails
AALA135-ILE151

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsBinding site: {"description":"axial binding residue"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues25
DetailsTransmembrane: {"description":"Helical; Name=1","evidences":[{"source":"PubMed","id":"29925951","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"6G79","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues32
DetailsTopological domain: {"description":"Cytoplasmic","evidences":[{"source":"PubMed","id":"29925951","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"6G79","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues24
DetailsTransmembrane: {"description":"Helical; Name=2","evidences":[{"source":"PubMed","id":"29925951","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"6G79","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues7
DetailsTopological domain: {"description":"Extracellular","evidences":[{"source":"PubMed","id":"29925951","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"6G79","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues25
DetailsTransmembrane: {"description":"Helical; Name=3","evidences":[{"source":"PubMed","id":"29925951","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"6G79","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues18
DetailsTransmembrane: {"description":"Helical; Name=4","evidences":[{"source":"PubMed","id":"29925951","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"6G79","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues23
DetailsTransmembrane: {"description":"Helical; Name=5","evidences":[{"source":"PubMed","id":"29925951","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"6G79","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues21
DetailsTransmembrane: {"description":"Helical; Name=6","evidences":[{"source":"PubMed","id":"29925951","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"6G79","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues22
DetailsTransmembrane: {"description":"Helical; Name=7","evidences":[{"source":"PubMed","id":"29925951","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"6G79","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues2
DetailsMotif: {"description":"DRY motif; important for ligand-induced conformation changes and signaling","evidences":[{"source":"UniProtKB","id":"P41595","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues4
DetailsMotif: {"description":"NPxxY motif; important for ligand-induced conformation changes and signaling","evidences":[{"source":"UniProtKB","id":"P41595","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues3
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"23519210","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4IAR","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI14
Number of Residues1
DetailsSite: {"description":"Important for species-specific agonist sensitivity","evidences":[{"source":"PubMed","id":"23519210","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

240971

PDB entries from 2025-08-27

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