Domain Annotation: CATH CATH Database (version 4.2.0) Homepage

Chain	Domain	Class	Architecture	Topology	Homology
A	1.20.58.390	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Identifier	Description	Comments	Source
A	PF02932	Neurotransmitter-gated ion-channel transmembrane region (Neur_chan_memb)	Neurotransmitter-gated ion-channel transmembrane region	-	Family
A	PF02931	Neurotransmitter-gated ion-channel ligand binding domain (Neur_chan_LBD)	Neurotransmitter-gated ion-channel ligand binding domain	-	Family

Gene Product Annotation Gene Product Annotation

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Neuronal acetylcholine receptor subunit beta-2	binding neurotransmitter binding acetylcholine binding ion binding cation binding transmembrane signaling receptor activity acetylcholine receptor activity neurotransmitter receptor activity signaling receptor activity molecular transducer activity postsynaptic neurotransmitter receptor activity transporter activity ion channel activity extracellular ligand-gated ion channel activity excitatory extracellular ligand-gated ion channel activity cation channel activity cation transmembrane transporter activity ion transmembrane transporter activity channel activity ligand-gated ion channel activity inorganic molecular entity transmembrane transporter activity passive transmembrane transporter activity transmitter-gated ion channel activity ligand-gated channel activity transmitter-gated channel activity gated channel activity acetylcholine-gated cation-selective channel activity transmembrane transporter activity inorganic cation transmembrane transporter activity ligand-gated cation channel activity neurotransmitter receptor activity involved in regulation of postsynaptic membrane potential transmitter-gated ion channel activity involved in regulation of postsynaptic membrane potential drug binding protein-containing complex binding	regulation of membrane potential membrane depolarization biological regulation regulation of biological quality response to organic substance response to chemical response to stimulus response to nitrogen compound response to oxygen-containing compound response to acetylcholine response to organonitrogen compound response to organic cyclic compound response to cocaine response to alkaloid response to ethanol response to alcohol response to nicotine	plasma membrane integral component of plasma membrane acetylcholine-gated channel complex membrane integral component of membrane intrinsic component of membrane intrinsic component of plasma membrane protein-containing complex ion channel complex receptor complex cell periphery membrane protein complex plasma membrane protein complex plasma membrane signaling receptor complex cellular anatomical entity transmembrane transporter complex transporter complex cell junction synapse cholinergic synapse dopaminergic synapse external side of plasma membrane cell surface side of membrane organelle postsynaptic membrane synaptic membrane plasma membrane region postsynapse intrinsic component of postsynaptic membrane intrinsic component of postsynaptic specialization membrane integral component of postsynaptic membrane integral component of postsynaptic specialization membrane intrinsic component of synaptic membrane postsynaptic specialization postsynaptic specialization membrane integral component of synaptic membrane cell projection neuron projection plasma membrane bounded cell projection plasma membrane raft membrane raft membrane microdomain

RCSB PDB is funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.