7F4D | pdb_00007f4d

Cryo-EM structure of alpha-MSH-bound melanocortin-1 receptor in complex with Gs protein and Nb35


Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
A [auth G]SCOP2B SuperfamilyTransducin (heterotrimeric G protein), gamma chain 8070798 3001771 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
D [auth B]ANAPC4_WD40_3e7f4dB1 A: beta duplicates or obligate multimersX: beta-propeller-likeH: beta-propellerT: 7-bladedF: ANAPC4_WD40_3ECOD (1.6)
A [auth G]G-gammae7f4dG1 A: extended segmentsX: Transducin (heterotrimeric G protein), gamma chain (From Topology)H: Transducin (heterotrimeric G protein), gamma chain (From Topology)T: Transducin (heterotrimeric G protein), gamma chainF: G-gammaECOD (1.6)
B [auth A]Rase7f4dA1 A: a/b three-layered sandwichesX: P-loop domains-likeH: P-loop domains-relatedT: P-loop containing nucleoside triphosphate hydrolasesF: RasECOD (1.6)
C [auth N]V-set_12e7f4dN1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_12ECOD (1.6)
E [auth R]7tm_1_2e7f4dR1 A: alpha bundlesX: Family A G protein-coupled receptor-like (From Topology)H: Family A G protein-coupled receptor-like (From Topology)T: Family A G protein-coupled receptor-likeF: 7tm_1_2ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
D [auth B]2.130.10.10 Mainly Beta 7 Propeller Methylamine Dehydrogenase Chain HCATH (utative)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
C [auth N]Heavy ChainIGHV3 -guanine nucleotide-binding protein g(i) subunit alpha-1 | guanine nucleotide-binding protein g(i)/g(s)/g(t) subunitbeta-1 SAbDab (2025-09-26)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
D [auth B]PF00400WD domain, G-beta repeat (WD40)WD domain, G-beta repeat- Repeat
B [auth A]PF00503G-protein alpha subunit (G-alpha)G-protein alpha subunitG proteins couple receptors of extracellular signals to intracellular signaling pathways. The G protein alpha subunit binds guanyl nucleotide and is a weak GTPase. A set of residues that are unique to G-alpha as compared to its ancestor the Arf-like ...G proteins couple receptors of extracellular signals to intracellular signaling pathways. The G protein alpha subunit binds guanyl nucleotide and is a weak GTPase. A set of residues that are unique to G-alpha as compared to its ancestor the Arf-like family form a ring of residues centered on the nucleotide binding site [3]. A Ggamma is found fused to an inactive Galpha in the Dictyostelium protein gbqA [3].
Domain
E [auth R]PF000017 transmembrane receptor (rhodopsin family) (7tm_1)7 transmembrane receptor (rhodopsin family)This family contains, amongst other G-protein-coupled receptors (GCPRs), members of the opsin family, which have been considered to be typical members of the rhodopsin superfamily. They share several motifs, mainly the seven transmembrane helices, GC ...This family contains, amongst other G-protein-coupled receptors (GCPRs), members of the opsin family, which have been considered to be typical members of the rhodopsin superfamily. They share several motifs, mainly the seven transmembrane helices, GCPRs of the rhodopsin superfamily. All opsins bind a chromophore, such as 11-cis-retinal. The function of most opsins other than the photoisomerases is split into two steps: light absorption and G-protein activation. Photoisomerases, on the other hand, are not coupled to G-proteins - they are thought to generate and supply the chromophore that is used by visual opsins [1].
Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
D [auth B]Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
F [auth M]alpha-melanocyte-stimulating hormone---
A [auth G]Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
B [auth A]Guanine nucleotide-binding protein G(i) subunit alpha-1
C [auth N]Nanobody 35---
E [auth R]melanocortin-1 receptor

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
D [auth B]IPR019775WD40 repeat, conserved siteConserved Site
D [auth B]IPR001632G-protein beta subunit, WD40 repeatsDomain
D [auth B]IPR020472PAC1/LIS1-like, WD-40 repeatRepeat
D [auth B]IPR015943WD40/YVTN repeat-like-containing domain superfamilyHomologous Superfamily
D [auth B]IPR016346G-protein subunit beta 1-5Family
D [auth B]IPR036322WD40-repeat-containing domain superfamilyHomologous Superfamily
D [auth B]IPR001680WD40 repeatRepeat
A [auth G]IPR001770G-protein, gamma subunitFamily
A [auth G]IPR015898G-protein, gamma subunit-like domainDomain
A [auth G]IPR036284G-protein gamma-like domain superfamilyHomologous Superfamily
B [auth A]IPR001019Guanine nucleotide binding protein (G-protein), alpha subunitFamily
B [auth A]IPR011025G protein alpha subunit, helical insertionHomologous Superfamily
B [auth A]IPR027417P-loop containing nucleoside triphosphate hydrolaseHomologous Superfamily
B [auth A]IPR000367G-protein alpha subunit, group SFamily
B [auth A]IPR001019Guanine nucleotide binding protein (G-protein), alpha subunitFamily
B [auth A]IPR011025G protein alpha subunit, helical insertionHomologous Superfamily
B [auth A]IPR027417P-loop containing nucleoside triphosphate hydrolaseHomologous Superfamily
B [auth A]IPR001408G-protein alpha subunit, group IFamily
E [auth R]IPR010980Cytochrome c/b562Homologous Superfamily
E [auth R]IPR009155Cytochrome b562Family
E [auth R]IPR000761Melanocyte-stimulating hormone receptorFamily
E [auth R]IPR000276G protein-coupled receptor, rhodopsin-likeFamily
E [auth R]IPR017452GPCR, rhodopsin-like, 7TMDomain
E [auth R]IPR001671Melanocortin/ACTH receptorFamily

Pharos: Disease Associations Pharos Homepage Annotation

ChainsDrug Target  Associated Disease
D [auth B]PharosP62873
A [auth G]PharosP59768
B [auth A]PharosP63096
E [auth R]PharosQ01726