Annotations: 8A5U

Crystal structure of the beta3 subunit extracellular domain of nicotinic acetylcholine receptor

External Resource: Annotation

Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A [auth B]	CoV_S1_C	e8a5uB1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: CoV_S1_C	ECOD (v295.2)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth B]	PF02931	Neurotransmitter-gated ion-channel ligand binding domain (Neur_chan_LBD)	Neurotransmitter-gated ion-channel ligand binding domain	This 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

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth B]	Neuronal acetylcholine receptor subunit beta-3	cation binding acetylcholine binding ion binding binding small molecule binding heterocyclic compound binding passive transmembrane transporter activity channel activity transporter activity transmembrane transporter activity transmitter-gated monoatomic ion channel activity monoatomic cation transmembrane transporter activity molecular transducer activity gated channel activity cation binding acetylcholine binding ion binding binding small molecule binding heterocyclic compound binding passive transmembrane transporter activity channel activity transporter activity 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 acetylcholine-gated monoatomic cation-selective channel activity monoatomic ion transmembrane transporter activity transmitter-gated channel activity ligand-gated monoatomic cation channel activity transmembrane signaling receptor activity	trans-synaptic signaling regulation of biological process regulation of signaling regulation of cellular process modulation of chemical synaptic transmission signaling biological regulation cell-cell signaling presynaptic modulation of chemical synaptic transmission chemical synaptic transmission cell communication synaptic signaling regulation of trans-synaptic signaling anterograde trans-synaptic signaling trans-synaptic signaling regulation of biological process regulation of signaling regulation of cellular process modulation of chemical synaptic transmission signaling biological regulation cell-cell signaling presynaptic modulation of chemical synaptic transmission chemical synaptic transmission cell communication synaptic signaling regulation of trans-synaptic signaling anterograde trans-synaptic signaling regulation of cell communication cellular process transmembrane transport localization transport monoatomic ion transmembrane transport monoatomic ion transport establishment of localization cellular response to stimulus response to stimulus signal transduction neuromuscular synaptic transmission membrane depolarization regulation of biological quality regulation of membrane potential response to chemical response to nicotine cellular response to nitrogen compound cellular response to acetylcholine response to oxygen-containing compound response to nitrogen compound acetylcholine receptor signaling pathway postsynaptic signal transduction cellular response to oxygen-containing compound cellular response to chemical stimulus response to acetylcholine synaptic transmission, cholinergic	cell periphery postsynapse cellular anatomical structure postsynaptic membrane synapse cell junction membrane plasma membrane plasma membrane region synaptic membrane presynapse dopaminergic synapse protein-containing complex transmembrane transporter complex cell periphery postsynapse cellular anatomical structure postsynaptic membrane synapse cell junction membrane plasma membrane plasma membrane region synaptic membrane presynapse dopaminergic synapse protein-containing complex transmembrane transporter complex membrane protein complex cation channel complex transporter complex monoatomic ion channel complex cell projection neuron projection plasma membrane bounded cell projection neurotransmitter receptor complex plasma membrane protein complex plasma membrane signaling receptor complex signaling receptor complex acetylcholine-gated channel complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth B]	IPR006202	Neurotransmitter-gated ion-channel ligand-binding domain	Domain
A [auth B]	IPR036719	Neurotransmitter-gated ion-channel transmembrane domain superfamily	Homologous Superfamily
A [auth B]	IPR002394	Nicotinic acetylcholine receptor	Family
A [auth B]	IPR006029	Neurotransmitter-gated ion-channel transmembrane domain	Domain
A [auth B]	IPR036734	Neurotransmitter-gated ion-channel ligand-binding domain superfamily	Homologous Superfamily
A [auth B]	IPR018000	Neurotransmitter-gated ion-channel, conserved site	Conserved Site
A [auth B]	IPR038050	Neuronal acetylcholine receptor	Homologous Superfamily
A [auth B]	IPR006201	Neurotransmitter-gated ion-channel	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A [auth B]	: Q05901	nicotine dependence Alcoholic Intoxication, Chronic cocaine dependence pellagra attention deficit hyperactivity disorder, inattentive type bipolar disorder depressive disorder

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.