6UWZ | pdb_00006uwz

Cryo-EM structure of Torpedo acetylcholine receptor in complex with alpha-bungarotoxin

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: OPM
Membrane Protein Annotation: PDBTM
Membrane Protein Annotation: MemProtMD
Membrane Protein Annotation: mpstruc

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
G	SCOP2B Superfamily	Snake toxin-like	8036418	3000545	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	Snake toxin-like	8036418	3000545	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
G	G-alpha	e6uwzG1	A: alpha bundles	X: Immunoglobulin-like beta-sandwich	H: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases	T: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases	F: G-alpha	ECOD (develop294)
F	Ribosomal_L4	e6uwzF1	A: alpha bundles	X: Immunoglobulin-like beta-sandwich	H: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases	T: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases	F: Ribosomal_L4	ECOD (develop294)
E	Ribosomal_L4	e6uwzE1	A: alpha bundles	X: Immunoglobulin-like beta-sandwich	H: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases	T: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases	F: Ribosomal_L4	ECOD (develop294)
C	Ribosomal_L4	e6uwzC1	A: alpha bundles	X: Immunoglobulin-like beta-sandwich	H: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases	T: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases	F: Ribosomal_L4	ECOD (develop294)
B	Ribosomal_L4	e6uwzB1	A: alpha bundles	X: Immunoglobulin-like beta-sandwich	H: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases	T: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases	F: Ribosomal_L4	ECOD (develop294)
D	Ribosomal_L30	e6uwzD1	A: alpha bundles	X: Immunoglobulin-like beta-sandwich	H: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases	T: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases	F: Ribosomal_L30	ECOD (develop294)
A	Ribosomal_L30	e6uwzA1	A: alpha bundles	X: Immunoglobulin-like beta-sandwich	H: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases	T: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases	F: Ribosomal_L30	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
G	2.10.60.10	Mainly Beta	Ribbon	CD59	CD59	CATH (utative)
F	2.10.60.10	Mainly Beta	Ribbon	CD59	CD59	CATH (utative)
C	2.70.170.10	Mainly Beta	Distorted Sandwich	Acetylcholine Binding Protein	Chain: A,	CATH (utative)
B	2.70.170.10	Mainly Beta	Distorted Sandwich	Acetylcholine Binding Protein	Chain: A,	CATH (utative)
D	2.70.170.10	Mainly Beta	Distorted Sandwich	Acetylcholine Binding Protein	Chain: A,	CATH (utative)
D	1.20.58.390	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (utative)
A	2.70.170.10	Mainly Beta	Distorted Sandwich	Acetylcholine Binding Protein	Chain: A,	CATH (utative)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
F, G	Alpha-bungarotoxin	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
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
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
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
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

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
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
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
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
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
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

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B, C, D, E A, B, C, D, E, F, G	OPM	Transmembrane	Alpha-helical polytopic	Pentameric ligand-gated ion channels	Ligand-gated ion channel of neurotransmitter receptors

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A, B, C, D, E A, B, C, D, E, F, G	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A, B, C, D, E A, B, C, D, E, F, G	MemProtMD	Annotated as membrane protein by MemProtMD

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B, C, D, E A, B, C, D, E, F, G	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Cys-Loop Receptor Family	acetylcholine (ACh) receptor in complex with alpha-bungarotoxin in nanodiscs