9GU1 | pdb_00009gu1

Human adult muscle nAChR in resting state in nanodisc with alpha-bungarotoxin


Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
JSCOP2B SuperfamilySnake toxin-like 8036418 3000545 SCOP2B (2022-06-29)
ISCOP2B SuperfamilySnake toxin-like 8036418 3000545 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
GBeta-Caspe9gu1G1 A: beta barrelsX: cradle loop barrelH: RIFT-relatedT: acid proteaseF: Beta-CaspECOD (v294.2)
CBeta-Caspe9gu1C1 A: beta barrelsX: cradle loop barrelH: RIFT-relatedT: acid proteaseF: Beta-CaspECOD (v294.2)
JBeta-Caspe9gu1J1 A: beta barrelsX: cradle loop barrelH: RIFT-relatedT: acid proteaseF: Beta-CaspECOD (v294.2)
IBeta-Caspe9gu1I1 A: beta barrelsX: cradle loop barrelH: RIFT-relatedT: acid proteaseF: Beta-CaspECOD (v294.2)
FBeta-Caspe9gu1F1 A: beta barrelsX: cradle loop barrelH: RIFT-relatedT: acid proteaseF: Beta-CaspECOD (v294.2)
HBeta-Caspe9gu1H1 A: beta barrelsX: cradle loop barrelH: RIFT-relatedT: acid proteaseF: Beta-CaspECOD (v294.2)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
C, G
Light ChainIGKV22 Kappaacetylcholine receptor subunit alphaSAbDab (2026-06-12)
F, H
Heavy ChainIGHV2 -acetylcholine receptor subunit alphaSAbDab (2026-06-12)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
PF02932Neurotransmitter-gated ion-channel transmembrane region (Neur_chan_memb)Neurotransmitter-gated ion-channel transmembrane regionThis family includes the four transmembrane helices that form the ion channel. Domain
PF02931Neurotransmitter-gated ion-channel ligand binding domain (Neur_chan_LBD)Neurotransmitter-gated ion-channel ligand binding domainThis family is the extracellular ligand binding domain of these ion channels [1]. This domain forms a pentameric arrangement in the known structure. Domain
PF02932Neurotransmitter-gated ion-channel transmembrane region (Neur_chan_memb)Neurotransmitter-gated ion-channel transmembrane regionThis family includes the four transmembrane helices that form the ion channel. Domain
PF02931Neurotransmitter-gated ion-channel ligand binding domain (Neur_chan_LBD)Neurotransmitter-gated ion-channel ligand binding domainThis family is the extracellular ligand binding domain of these ion channels [1]. This domain forms a pentameric arrangement in the known structure. Domain
PF02932Neurotransmitter-gated ion-channel transmembrane region (Neur_chan_memb)Neurotransmitter-gated ion-channel transmembrane regionThis family includes the four transmembrane helices that form the ion channel. Domain
PF02931Neurotransmitter-gated ion-channel ligand binding domain (Neur_chan_LBD)Neurotransmitter-gated ion-channel ligand binding domainThis family is the extracellular ligand binding domain of these ion channels [1]. This domain forms a pentameric arrangement in the known structure. Domain
A,
K [auth L]
PF02932Neurotransmitter-gated ion-channel transmembrane region (Neur_chan_memb)Neurotransmitter-gated ion-channel transmembrane regionThis family includes the four transmembrane helices that form the ion channel. Domain
A,
K [auth L]
PF02931Neurotransmitter-gated ion-channel ligand binding domain (Neur_chan_LBD)Neurotransmitter-gated ion-channel ligand binding domainThis family is the extracellular ligand binding domain of these ion channels [1]. This domain forms a pentameric arrangement in the known structure. Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
Acetylcholine receptor subunit beta
C, G
Fab35 light chain---
I, J
Alpha-bungarotoxin -
F, H
Fab35 heavy chain---
Acetylcholine receptor subunit epsilon,Green fluorescent protein
Acetylcholine receptor subunit delta
A,
K [auth L]
Acetylcholine receptor subunit alpha

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
IPR006202Neurotransmitter-gated ion-channel ligand-binding domainDomain
IPR036719Neurotransmitter-gated ion-channel transmembrane domain superfamilyHomologous Superfamily
IPR002394Nicotinic acetylcholine receptorFamily
IPR006029Neurotransmitter-gated ion-channel transmembrane domainDomain
IPR036734Neurotransmitter-gated ion-channel ligand-binding domain superfamilyHomologous Superfamily
IPR018000Neurotransmitter-gated ion-channel, conserved siteConserved Site
IPR038050Neuronal acetylcholine receptorHomologous Superfamily
IPR006201Neurotransmitter-gated ion-channelFamily
I, J
IPR018354Snake toxin, conserved siteConserved Site
I, J
IPR045860Snake toxin-like superfamilyHomologous Superfamily
I, J
IPR054131Snake toxin cobra-typeFamily
I, J
IPR003571Snake three-finger toxinFamily
IPR006202Neurotransmitter-gated ion-channel ligand-binding domainDomain
IPR036719Neurotransmitter-gated ion-channel transmembrane domain superfamilyHomologous Superfamily
IPR002394Nicotinic acetylcholine receptorFamily
IPR006029Neurotransmitter-gated ion-channel transmembrane domainDomain
IPR036734Neurotransmitter-gated ion-channel ligand-binding domain superfamilyHomologous Superfamily
IPR018000Neurotransmitter-gated ion-channel, conserved siteConserved Site
IPR038050Neuronal acetylcholine receptorHomologous Superfamily
IPR006201Neurotransmitter-gated ion-channelFamily
IPR006202Neurotransmitter-gated ion-channel ligand-binding domainDomain
IPR036719Neurotransmitter-gated ion-channel transmembrane domain superfamilyHomologous Superfamily
IPR002394Nicotinic acetylcholine receptorFamily
IPR006029Neurotransmitter-gated ion-channel transmembrane domainDomain
IPR036734Neurotransmitter-gated ion-channel ligand-binding domain superfamilyHomologous Superfamily
IPR018000Neurotransmitter-gated ion-channel, conserved siteConserved Site
IPR038050Neuronal acetylcholine receptorHomologous Superfamily
IPR006201Neurotransmitter-gated ion-channelFamily
A,
K [auth L]
IPR006202Neurotransmitter-gated ion-channel ligand-binding domainDomain
A,
K [auth L]
IPR036719Neurotransmitter-gated ion-channel transmembrane domain superfamilyHomologous Superfamily
A,
K [auth L]
IPR002394Nicotinic acetylcholine receptorFamily
A,
K [auth L]
IPR006029Neurotransmitter-gated ion-channel transmembrane domainDomain
A,
K [auth L]
IPR036734Neurotransmitter-gated ion-channel ligand-binding domain superfamilyHomologous Superfamily
A,
K [auth L]
IPR018000Neurotransmitter-gated ion-channel, conserved siteConserved Site
A,
K [auth L]
IPR038050Neuronal acetylcholine receptorHomologous Superfamily
A,
K [auth L]
IPR006201Neurotransmitter-gated ion-channelFamily

Pharos: Disease Associations Pharos Homepage Annotation

ChainsDrug Target  Associated Disease
P11230
Q04844
Q07001
A,
K [auth L]
P02708