6HY7

Crystal structure of alpha9 nAChR extracellular domain in complex with alpha-conotoxin RgIA

External Resource: Annotation

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

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Neur_chan_LBD	e6hy7A1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Nicotinic receptor ligand binding domain-like (From Topology)	T: Nicotinic receptor ligand binding domain-like	F: Neur_chan_LBD	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.70.170.10	Mainly Beta	Distorted Sandwich	Acetylcholine Binding Protein	Chain: A,	CATH (utative)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF02931	Neurotransmitter-gated ion-channel ligand binding domain (Neur_chan_LBD)	Neurotransmitter-gated ion-channel ligand binding domain	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Neuronal acetylcholine receptor subunit alpha-9	transmitter-gated monoatomic ion channel activity monoatomic cation transmembrane transporter activity molecular transducer activity monoatomic ion channel activity transmitter-gated monoatomic ion channel activity involved in regulation of postsynaptic membrane potential neurotransmitter receptor activity ligand-gated channel activity postsynaptic neurotransmitter receptor activity passive transmembrane transporter activity acetylcholine-gated monoatomic cation-selective channel activity transporter activity ligand-gated monoatomic cation channel activity gated channel activity signaling receptor activity transmitter-gated monoatomic ion channel activity monoatomic cation transmembrane transporter activity molecular transducer activity monoatomic ion channel activity transmitter-gated monoatomic ion channel activity involved in regulation of postsynaptic membrane potential neurotransmitter receptor activity ligand-gated channel activity postsynaptic neurotransmitter receptor activity passive transmembrane transporter activity acetylcholine-gated monoatomic cation-selective channel activity transporter activity ligand-gated monoatomic cation channel activity gated channel activity signaling receptor activity excitatory extracellular ligand-gated monoatomic ion channel activity ligand-gated monoatomic ion channel activity extracellular ligand-gated monoatomic ion channel activity monoatomic cation channel activity neurotransmitter receptor activity involved in regulation of postsynaptic membrane potential channel activity monoatomic ion transmembrane transporter activity transmitter-gated channel activity transmembrane transporter activity calcium channel activity calcium ion transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity metal ion transmembrane transporter activity transmembrane signaling receptor activity	positive regulation of cytosolic calcium ion concentration biological regulation regulation of biological quality response to auditory stimulus response to stimulus response to mechanical stimulus response to abiotic stimulus response to external stimulus multicellular organismal process detection of external stimulus system process nervous system process detection of mechanical stimulus involved in sensory perception of sound detection of mechanical stimulus involved in sensory perception positive regulation of cytosolic calcium ion concentration biological regulation regulation of biological quality response to auditory stimulus response to stimulus response to mechanical stimulus response to abiotic stimulus response to external stimulus multicellular organismal process detection of external stimulus system process nervous system process detection of mechanical stimulus involved in sensory perception of sound detection of mechanical stimulus involved in sensory perception sensory perception of mechanical stimulus detection of abiotic stimulus detection of stimulus sensory perception detection of mechanical stimulus detection of stimulus involved in sensory perception sensory perception of sound developmental process ear morphogenesis embryonic organ morphogenesis ear development sensory organ development animal organ development embryonic morphogenesis embryo development multicellular organism development anatomical structure morphogenesis sensory organ morphogenesis inner ear development inner ear morphogenesis anatomical structure development animal organ morphogenesis embryonic organ development membrane depolarization regulation of membrane potential	cell periphery postsynapse postsynaptic membrane synapse cell junction membrane plasma membrane plasma membrane region cellular anatomical entity synaptic membrane protein-containing complex plasma membrane protein complex membrane protein complex transporter complex cell periphery postsynapse postsynaptic membrane synapse cell junction membrane plasma membrane plasma membrane region cellular anatomical entity synaptic membrane protein-containing complex plasma membrane protein complex membrane protein complex transporter complex receptor complex acetylcholine-gated channel complex transmembrane transporter complex plasma membrane signaling receptor complex monoatomic ion channel complex cell projection neuron projection plasma membrane bounded cell projection
B	Alpha-conotoxin RgIA	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	-	extracellular region cellular anatomical entity host cellular component host cell part host cell postsynaptic membrane host cell membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR018000	Neurotransmitter-gated ion-channel, conserved site	Conserved Site
A	IPR038050	Neuronal acetylcholine receptor	Homologous Superfamily
A	IPR006202	Neurotransmitter-gated ion-channel ligand-binding domain	Domain
A	IPR036719	Neurotransmitter-gated ion-channel transmembrane domain superfamily	Homologous Superfamily
A	IPR002394	Nicotinic acetylcholine receptor	Family
A	IPR006029	Neurotransmitter-gated ion-channel transmembrane domain	Domain
A	IPR036734	Neurotransmitter-gated ion-channel ligand-binding domain superfamily	Homologous Superfamily
A	IPR006201	Neurotransmitter-gated ion-channel	Family
B	IPR018072	Conotoxin, alpha-type, conserved site	Conserved Site

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q9UGM1	atypical teratoid rhabdoid tumor glioblastoma malignant glioma Cell Transformation, Neoplastic Graves disease psoriasis cutaneous lupus erythematosus Hashimoto thyroiditis vitiligo

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
B	AAR	Parent Component: ARG RESID: AA0082 PSI-MOD : L-arginine amide MOD:00091

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.