Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B SuperfamilyGalpha insert domain-like8056780 3000669 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyRas-like P-loop GTPases8056779 3002022 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyRas-like P-loop GTPases8056779 3002022 SCOP2B (2022-06-29)
C [auth Y]SCOP2B SuperfamilyTransducin (heterotrimeric G protein) gamma chain8070798 3001771 SCOP2B (2022-06-29)
E [auth C]SCOP2B SuperfamilyType 1 solute binding protein-like8077987 3000125 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
APF00503e7eb2A1 A: alpha arraysX: Transducin (alpha subunit), insertion domain (From Topology)H: Transducin (alpha subunit), insertion domain (From Topology)T: Transducin (alpha subunit), insertion domainF: PF00503ECOD (1.6)
APF00503e7eb2A2 A: a/b three-layered sandwichesX: P-loop domains-likeH: P-loop domains-relatedT: P-loop containing nucleoside triphosphate hydrolasesF: PF00503ECOD (1.6)
BPF00400e7eb2B1 A: beta duplicates or obligate multimersX: beta-propeller-likeH: beta-propellerT: 7-bladedF: PF00400ECOD (1.6)
C [auth Y]PF00631e7eb2Y1 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: PF00631ECOD (1.6)
D [auth N]PF07686e7eb2N2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: PF07686ECOD (1.6)
E [auth C]PF00003e7eb2C1 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: PF00003ECOD (1.6)
E [auth C]PF01094e7eb2C2 A: a/b three-layered sandwichesX: Flavodoxin-likeH: Class I glutamine amidotransferase-likeT: Periplasmic binding protein-like IF: PF01094ECOD (1.6)
F [auth D]PF00003e7eb2D1 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: PF00003ECOD (1.6)
F [auth D]PF01094e7eb2D2 A: a/b three-layered sandwichesX: Flavodoxin-likeH: Class I glutamine amidotransferase-likeT: Periplasmic binding protein-like IF: PF01094ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
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
PF00400WD domain, G-beta repeat (WD40)WD domain, G-beta repeat- Repeat
C [auth Y]PF00631GGL domain (G-gamma)GGL domainG-protein gamma like domains (GGL) are found in the gamma subunit of the heterotrimeric G protein complex and in regulators of G protein signaling (RGS) proteins [1]. It is also found fused to an inactive Galpha in the Dictyostelium protein gbqA [2] ...G-protein gamma like domains (GGL) are found in the gamma subunit of the heterotrimeric G protein complex and in regulators of G protein signaling (RGS) proteins [1]. It is also found fused to an inactive Galpha in the Dictyostelium protein gbqA [2]. G-gamma likely shares a common origin with the helical N-terminal unit of G-beta [2]. All organisms that posses a G-beta possess a G-gamma [2].
Domain
E [auth C]PF01094Receptor family ligand binding region (ANF_receptor)Receptor family ligand binding region- Family
E [auth C]PF000037 transmembrane sweet-taste receptor of 3 GCPR (7tm_3)7 transmembrane sweet-taste receptor of 3 GCPRThis is a domain of seven transmembrane regions that forms the C-terminus of some subclass 3 G-coupled-protein receptors. It is often associated with a downstream cysteine-rich linker domain, NCD3G Pfam:PF07562, which is the human sweet-taste recepto ...This is a domain of seven transmembrane regions that forms the C-terminus of some subclass 3 G-coupled-protein receptors. It is often associated with a downstream cysteine-rich linker domain, NCD3G Pfam:PF07562, which is the human sweet-taste receptor, and the N-terminal domain, ANF_receptor Pfam:PF01094. The seven TM regions assemble in such a way as to produce a docking pocket into which such molecules as cyclamate and lactisole have been found to bind and consequently confer the taste of sweetness [1].
Domain
F [auth D]PF01094Receptor family ligand binding region (ANF_receptor)Receptor family ligand binding region- Family
F [auth D]PF000037 transmembrane sweet-taste receptor of 3 GCPR (7tm_3)7 transmembrane sweet-taste receptor of 3 GCPRThis is a domain of seven transmembrane regions that forms the C-terminus of some subclass 3 G-coupled-protein receptors. It is often associated with a downstream cysteine-rich linker domain, NCD3G Pfam:PF07562, which is the human sweet-taste recepto ...This is a domain of seven transmembrane regions that forms the C-terminus of some subclass 3 G-coupled-protein receptors. It is often associated with a downstream cysteine-rich linker domain, NCD3G Pfam:PF07562, which is the human sweet-taste receptor, and the N-terminal domain, ANF_receptor Pfam:PF01094. The seven TM regions assemble in such a way as to produce a docking pocket into which such molecules as cyclamate and lactisole have been found to bind and consequently confer the taste of sweetness [1].
Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
Guanine nucleotide-binding protein G(i) subunit alpha-1
Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
C [auth Y]Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
D [auth N]ScFv16---
E [auth C]Gamma-aminobutyric acid type B receptor subunit 1
F [auth D]Gamma-aminobutyric acid type B receptor subunit 2

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
IPR001019Guanine nucleotide binding protein (G-protein), alpha subunitFamily
IPR011025G protein alpha subunit, helical insertionHomologous Superfamily
IPR027417P-loop containing nucleoside triphosphate hydrolaseHomologous Superfamily
IPR001408G-protein alpha subunit, group IFamily
IPR019775WD40 repeat, conserved siteConserved Site
IPR015943WD40/YVTN repeat-like-containing domain superfamilyHomologous Superfamily
IPR016346Guanine nucleotide-binding protein, beta subunitFamily
IPR036322WD40-repeat-containing domain superfamilyHomologous Superfamily
IPR001632G-protein, beta subunitDomain
IPR001680WD40 repeatRepeat
IPR020472G-protein beta WD-40 repeatRepeat
C [auth Y]IPR015898G-protein gamma-like domainDomain
C [auth Y]IPR001770G-protein, gamma subunitFamily
C [auth Y]IPR036284G-protein gamma-like domain superfamilyHomologous Superfamily
E [auth C]IPR017978GPCR family 3, C-terminalDomain
E [auth C]IPR000436Sushi/SCR/CCP domainDomain
E [auth C]IPR002455GPCR family 3, GABA-B receptorFamily
E [auth C]IPR035976Sushi/SCR/CCP superfamilyHomologous Superfamily
E [auth C]IPR028082Periplasmic binding protein-like IHomologous Superfamily
E [auth C]IPR002456GPCR family 3, gamma-aminobutyric acid receptor, type B1Family
E [auth C]IPR001828Receptor, ligand binding regionDomain
F [auth D]IPR017978GPCR family 3, C-terminalDomain
F [auth D]IPR017979GPCR, family 3, conserved siteConserved Site
F [auth D]IPR002457GPCR family 3, gamma-aminobutyric acid receptor, type B2Family
F [auth D]IPR000337GPCR, family 3Family
F [auth D]IPR002455GPCR family 3, GABA-B receptorFamily
F [auth D]IPR028082Periplasmic binding protein-like IHomologous Superfamily
F [auth D]IPR041689Gamma-aminobutyric acid type B receptor subunit 2, coiled-coil domainDomain
F [auth D]IPR001828Receptor, ligand binding regionDomain

Pharos: Disease Associations Pharos Homepage Annotation

ChainsDrug Target  Associated Disease
PharosP63096
PharosP62873
C [auth Y]PharosP59768
E [auth C]PharosQ9UBS5
F [auth D]PharosO75899