Annotations: 8YQN

Torpedo acetylcholine receptor in complex with Erabutoxin A

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: MemProtMD

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
F	SCOP2B Superfamily	Snake toxin-like	8038419	3000545	SCOP2B (2022-06-29)
G	SCOP2B Superfamily	Snake toxin-like	8038419	3000545	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	e8yqnA1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
D	e8yqnD1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
B	e8yqnB1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
C	e8yqnC1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
E	e8yqnE1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
F	e8yqnF1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
G	e8yqnG1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, D	Acetylcholine receptor subunit alpha	transmitter-gated monoatomic ion channel activity monoatomic cation transmembrane transporter activity molecular transducer activity gated channel activity monoatomic ion channel activity signaling receptor activity transmitter-gated monoatomic ion channel activity involved in regulation of postsynaptic membrane potential excitatory extracellular ligand-gated monoatomic ion channel activity neurotransmitter receptor activity ligand-gated channel activity ligand-gated monoatomic ion channel activity extracellular ligand-gated monoatomic ion channel activity postsynaptic neurotransmitter receptor activity monoatomic cation channel activity passive transmembrane transporter activity transmitter-gated monoatomic ion channel activity monoatomic cation transmembrane transporter activity molecular transducer activity gated channel activity monoatomic ion channel activity signaling receptor activity transmitter-gated monoatomic ion channel activity involved in regulation of postsynaptic membrane potential excitatory extracellular ligand-gated monoatomic ion channel activity neurotransmitter receptor activity ligand-gated channel activity ligand-gated monoatomic ion channel activity extracellular ligand-gated monoatomic ion channel activity postsynaptic neurotransmitter receptor activity monoatomic cation channel activity passive transmembrane transporter activity acetylcholine-gated monoatomic cation-selective channel activity channel activity monoatomic ion transmembrane transporter activity transmitter-gated channel activity transporter activity ligand-gated monoatomic cation channel activity transmembrane transporter activity transmembrane signaling receptor activity	-	cell periphery postsynapse cellular anatomical structure postsynaptic membrane synapse cell junction membrane plasma membrane plasma membrane region synaptic membrane
B	Acetylcholine receptor subunit delta	transmitter-gated monoatomic ion channel activity monoatomic cation transmembrane transporter activity molecular transducer activity gated channel activity monoatomic ion channel activity signaling receptor activity transmitter-gated monoatomic ion channel activity involved in regulation of postsynaptic membrane potential excitatory extracellular ligand-gated monoatomic ion channel activity neurotransmitter receptor activity ligand-gated channel activity ligand-gated monoatomic ion channel activity extracellular ligand-gated monoatomic ion channel activity postsynaptic neurotransmitter receptor activity monoatomic cation channel activity passive transmembrane transporter activity transmitter-gated monoatomic ion channel activity monoatomic cation transmembrane transporter activity molecular transducer activity gated channel activity monoatomic ion channel activity signaling receptor activity transmitter-gated monoatomic ion channel activity involved in regulation of postsynaptic membrane potential excitatory extracellular ligand-gated monoatomic ion channel activity neurotransmitter receptor activity ligand-gated channel activity ligand-gated monoatomic ion channel activity extracellular ligand-gated monoatomic ion channel activity postsynaptic neurotransmitter receptor activity monoatomic cation channel activity passive transmembrane transporter activity acetylcholine-gated monoatomic cation-selective channel activity channel activity monoatomic ion transmembrane transporter activity transmitter-gated channel activity transporter activity ligand-gated monoatomic cation channel activity transmembrane transporter activity transmembrane signaling receptor activity	-	cell periphery postsynapse cellular anatomical structure postsynaptic membrane synapse cell junction membrane plasma membrane plasma membrane region synaptic membrane
C	Acetylcholine receptor subunit beta	transmitter-gated monoatomic ion channel activity monoatomic cation transmembrane transporter activity molecular transducer activity gated channel activity monoatomic ion channel activity signaling receptor activity transmitter-gated monoatomic ion channel activity involved in regulation of postsynaptic membrane potential excitatory extracellular ligand-gated monoatomic ion channel activity neurotransmitter receptor activity ligand-gated channel activity ligand-gated monoatomic ion channel activity extracellular ligand-gated monoatomic ion channel activity postsynaptic neurotransmitter receptor activity monoatomic cation channel activity passive transmembrane transporter activity transmitter-gated monoatomic ion channel activity monoatomic cation transmembrane transporter activity molecular transducer activity gated channel activity monoatomic ion channel activity signaling receptor activity transmitter-gated monoatomic ion channel activity involved in regulation of postsynaptic membrane potential excitatory extracellular ligand-gated monoatomic ion channel activity neurotransmitter receptor activity ligand-gated channel activity ligand-gated monoatomic ion channel activity extracellular ligand-gated monoatomic ion channel activity postsynaptic neurotransmitter receptor activity monoatomic cation channel activity passive transmembrane transporter activity acetylcholine-gated monoatomic cation-selective channel activity channel activity monoatomic ion transmembrane transporter activity transmitter-gated channel activity transporter activity ligand-gated monoatomic cation channel activity transmembrane transporter activity transmembrane signaling receptor activity	-	cell periphery postsynapse cellular anatomical structure postsynaptic membrane synapse cell junction membrane plasma membrane plasma membrane region synaptic membrane
E	Acetylcholine receptor subunit gamma	transmitter-gated monoatomic ion channel activity molecular transducer activity gated channel activity monoatomic ion channel activity transmitter-gated monoatomic ion channel activity involved in regulation of postsynaptic membrane potential signaling receptor activity neurotransmitter receptor activity ligand-gated channel activity ligand-gated monoatomic ion channel activity extracellular ligand-gated monoatomic ion channel activity passive transmembrane transporter activity channel activity transmitter-gated channel activity monoatomic ion transmembrane transporter activity transporter activity transmitter-gated monoatomic ion channel activity molecular transducer activity gated channel activity monoatomic ion channel activity transmitter-gated monoatomic ion channel activity involved in regulation of postsynaptic membrane potential signaling receptor activity neurotransmitter receptor activity ligand-gated channel activity ligand-gated monoatomic ion channel activity extracellular ligand-gated monoatomic ion channel activity passive transmembrane transporter activity channel activity transmitter-gated channel activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity monoatomic cation transmembrane transporter activity excitatory extracellular ligand-gated monoatomic ion channel activity postsynaptic neurotransmitter receptor activity monoatomic cation channel activity acetylcholine-gated monoatomic cation-selective channel activity ligand-gated monoatomic cation channel activity transmembrane signaling receptor activity	-	cell periphery postsynapse cellular anatomical structure postsynaptic membrane synapse cell junction membrane plasma membrane plasma membrane region synaptic membrane
F, G	Erabutoxin a	channel regulator activity ion channel regulator activity molecular function regulator activity transporter regulator activity neurotransmitter receptor regulator activity acetylcholine receptor regulator activity molecular function inhibitor activity acetylcholine receptor inhibitor activity signaling receptor inhibitor activity signaling receptor regulator activity toxin activity	-	cellular anatomical structure extracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, D	IPR002394	Nicotinic acetylcholine receptor	Family
A, D	IPR006029	Neurotransmitter-gated ion-channel transmembrane domain	Domain
A, D	IPR018000	Neurotransmitter-gated ion-channel, conserved site	Conserved Site
A, D	IPR038050	Neuronal acetylcholine receptor	Homologous Superfamily
A, D	IPR006202	Neurotransmitter-gated ion-channel ligand-binding domain	Domain
A, D	IPR036719	Neurotransmitter-gated ion-channel transmembrane domain superfamily	Homologous Superfamily
A, D	IPR036734	Neurotransmitter-gated ion-channel ligand-binding domain superfamily	Homologous Superfamily
A, D	IPR006201	Neurotransmitter-gated ion-channel	Family
B	IPR002394	Nicotinic acetylcholine receptor	Family
B	IPR006029	Neurotransmitter-gated ion-channel transmembrane domain	Domain
B	IPR018000	Neurotransmitter-gated ion-channel, conserved site	Conserved Site
B	IPR038050	Neuronal acetylcholine receptor	Homologous Superfamily
B	IPR006202	Neurotransmitter-gated ion-channel ligand-binding domain	Domain
B	IPR036719	Neurotransmitter-gated ion-channel transmembrane domain superfamily	Homologous Superfamily
B	IPR036734	Neurotransmitter-gated ion-channel ligand-binding domain superfamily	Homologous Superfamily
B	IPR006201	Neurotransmitter-gated ion-channel	Family
C	IPR002394	Nicotinic acetylcholine receptor	Family
C	IPR006029	Neurotransmitter-gated ion-channel transmembrane domain	Domain
C	IPR018000	Neurotransmitter-gated ion-channel, conserved site	Conserved Site
C	IPR038050	Neuronal acetylcholine receptor	Homologous Superfamily
C	IPR006202	Neurotransmitter-gated ion-channel ligand-binding domain	Domain
C	IPR036719	Neurotransmitter-gated ion-channel transmembrane domain superfamily	Homologous Superfamily
C	IPR036734	Neurotransmitter-gated ion-channel ligand-binding domain superfamily	Homologous Superfamily
C	IPR006201	Neurotransmitter-gated ion-channel	Family
E	IPR002394	Nicotinic acetylcholine receptor	Family
E	IPR006029	Neurotransmitter-gated ion-channel transmembrane domain	Domain
E	IPR018000	Neurotransmitter-gated ion-channel, conserved site	Conserved Site
E	IPR038050	Neuronal acetylcholine receptor	Homologous Superfamily
E	IPR006202	Neurotransmitter-gated ion-channel ligand-binding domain	Domain
E	IPR036719	Neurotransmitter-gated ion-channel transmembrane domain superfamily	Homologous Superfamily
E	IPR036734	Neurotransmitter-gated ion-channel ligand-binding domain superfamily	Homologous Superfamily
E	IPR006201	Neurotransmitter-gated ion-channel	Family
F, G	IPR018354	Snake toxin, conserved site	Conserved Site
F, G	IPR045860	Snake toxin-like superfamily	Homologous Superfamily
F, G	IPR054131	Snake toxin cobra-type	Family
F, G	IPR003571	Snake three-finger toxin	Family