Annotations: 9H9E

Cryo-EM structure of the human GABAA receptor alpha1 subunit in complex with the assembly factor NACHO/TMEM35A

External Resource: Annotation

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

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	Beta-Casp	e9h9eD1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: Beta-Casp	ECOD (v294.2)
A	Stathmin	e9h9eA01	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: Stathmin	ECOD (v294.2)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, D	PF02932	Neurotransmitter-gated ion-channel transmembrane region (Neur_chan_memb)	Neurotransmitter-gated ion-channel transmembrane region	This family includes the four transmembrane helices that form the ion channel.	Domain
A, D	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
B, C	Novel acetylcholine receptor chaperone	neurotransmitter receptor regulator activity acetylcholine receptor regulator activity molecular function regulator activity signaling receptor regulator activity	cellular component organization cellular component biogenesis cellular component assembly chaperone-mediated protein complex assembly protein-containing complex organization protein-containing complex assembly cellular process cellular component organization or biogenesis regulation of localization regulation of biological process regulation of protein localization positive regulation of protein localization to cell surface biological regulation positive regulation of biological process cellular component organization cellular component biogenesis cellular component assembly chaperone-mediated protein complex assembly protein-containing complex organization protein-containing complex assembly cellular process cellular component organization or biogenesis regulation of localization regulation of biological process regulation of protein localization positive regulation of protein localization to cell surface biological regulation positive regulation of biological process localization protein localization to cell surface macromolecule localization positive regulation of protein localization regulation of protein localization to cell surface intracellular protein localization	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure cytoplasmic vesicle organelle intracellular vesicle cytoplasm intracellular membrane-bounded organelle vesicle membrane peroxisome microbody membrane bounding membrane of organelle membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure cytoplasmic vesicle organelle intracellular vesicle cytoplasm intracellular membrane-bounded organelle vesicle membrane peroxisome microbody membrane bounding membrane of organelle peroxisomal membrane microbody organelle membrane endoplasmic reticulum endomembrane system organelle subcompartment endoplasmic reticulum subcompartment nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum membrane
A, D	Gamma-aminobutyric acid receptor subunit alpha-1	transmitter-gated monoatomic ion channel activity monoatomic anion transmembrane transporter activity chloride transmembrane transporter activity GABA-gated chloride ion channel activity molecular transducer activity gated channel activity monoatomic ion channel activity signaling receptor activity ligand-gated monoatomic anion channel 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 monoatomic ion channel activity monoatomic anion transmembrane transporter activity chloride transmembrane transporter activity GABA-gated chloride ion channel activity molecular transducer activity gated channel activity monoatomic ion channel activity signaling receptor activity ligand-gated monoatomic anion channel 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 monoatomic anion channel activity transporter activity transmembrane transporter activity chloride channel activity GABA-A receptor activity GABA receptor activity transmembrane signaling receptor activity transmitter-gated monoatomic ion channel activity involved in regulation of postsynaptic membrane potential	transport monoatomic ion transmembrane transport establishment of localization chloride transport transmembrane transport localization chloride transmembrane transport monoatomic anion transport monoatomic anion transmembrane transport monoatomic ion transport cellular process inorganic anion transport regulation of biological process signaling transport monoatomic ion transmembrane transport establishment of localization chloride transport transmembrane transport localization chloride transmembrane transport monoatomic anion transport monoatomic anion transmembrane transport monoatomic ion transport cellular process inorganic anion transport regulation of biological process signaling biological regulation cell-cell signaling gamma-aminobutyric acid signaling pathway cell communication developmental process multicellular organismal process inhibitory synapse assembly nervous system development cellular component organization cellular component biogenesis multicellular organism development cell junction organization cellular component assembly cell junction assembly anatomical structure development synapse organization cellular component organization or biogenesis synapse assembly system development trans-synaptic signaling synaptic transmission, GABAergic chemical synaptic transmission synaptic signaling anterograde trans-synaptic signaling extrasynaptic signaling via GABA	protein-containing complex cellular anatomical structure transmembrane transporter complex membrane chloride channel complex membrane protein complex transporter complex monoatomic ion channel complex GABA receptor complex signaling receptor complex cell periphery plasma membrane postsynaptic specialization membrane postsynaptic specialization protein-containing complex cellular anatomical structure transmembrane transporter complex membrane chloride channel complex membrane protein complex transporter complex monoatomic ion channel complex GABA receptor complex signaling receptor complex cell periphery plasma membrane postsynaptic specialization membrane postsynaptic specialization synapse synaptic membrane postsynapse organelle postsynaptic membrane cell junction plasma membrane region GABA-A receptor complex GABA-ergic synapse membrane-bounded organelle intracellular anatomical structure intracellular vesicle intracellular membrane-bounded organelle intracellular organelle cytoplasmic vesicle membrane vesicle membrane cytoplasmic vesicle cytoplasm vesicle organelle membrane cell leading edge neuron projection leading edge membrane plasma membrane bounded cell projection somatodendritic compartment neuron projection membrane cell projection dendrite membrane dendrite dendritic tree cell projection membrane neuron spine dendritic spine

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B, C	IPR040399	Transmembrane protein 35A/B	Family
A, D	IPR001390	Gamma-aminobutyric-acid A receptor, alpha subunit	Family
A, D	IPR005431	Gamma-aminobutyric-acid A receptor, alpha 1 subunit	Family
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	IPR006028	Gamma-aminobutyric acid A receptor/Glycine receptor alpha	Family
A, D	IPR006029	Neurotransmitter-gated ion-channel transmembrane domain	Domain
A, D	IPR036734	Neurotransmitter-gated ion-channel ligand-binding domain superfamily	Homologous Superfamily
A, D	IPR018000	Neurotransmitter-gated ion-channel, conserved site	Conserved Site
A, D	IPR038050	Neuronal acetylcholine receptor	Homologous Superfamily
A, D	IPR047024	Gamma-aminobutyric acid receptor subunit alpha 1-6, transmembrane domain	Domain
A, D	IPR047079	Gamma-aminobutyric acid receptor subunit alpha-1, extracellular domain	Domain
A, D	IPR006201	Neurotransmitter-gated ion-channel	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
B, C	: Q53FP2	astrocytic tumor ductal breast carcinoma in situ large cell medulloblastoma malignant glioma pituitary cancer atypical teratoid rhabdoid tumor glioblastoma malignant colon neoplasm oligodendroglioma psoriasis cystic fibrosis invasive ductal breast carcinoma malignant ependymoma Pick disease
A, D	: P14867	developmental and epileptic encephalopathy, 19 juvenile myoclonic epilepsy hepatic encephalopathy essential tremor epilepsy childhood absence epilepsy epilepsy, idiopathic generalized, susceptibility to, 13 hepatic coma amyotrophic lateral sclerosis type 1 Ataxia pilocytic astrocytoma atypical teratoid rhabdoid tumor generalized anxiety disorder primitive neuroectodermal tumor bipolar disorder developmental and epileptic encephalopathy, 19 juvenile myoclonic epilepsy hepatic encephalopathy essential tremor epilepsy childhood absence epilepsy epilepsy, idiopathic generalized, susceptibility to, 13 hepatic coma amyotrophic lateral sclerosis type 1 Ataxia pilocytic astrocytoma atypical teratoid rhabdoid tumor generalized anxiety disorder primitive neuroectodermal tumor bipolar disorder irritable bowel syndrome Lennox-Gastaut syndrome malignant glioma Dravet syndrome mixed anxiety and depressive disorder EJM1 oligodendroglioma epilepsy with generalized tonic-clonic seizures anxiety disorder Parkinson disease peptic ulcer disease autism glioblastoma pseudotumor cerebri insomnia alcohol abuse status epilepticus developmental and epileptic encephalopathy, 6 medulloblastoma tetanus ovarian cyst astrocytic tumor partial epilepsy Pick disease schizophrenia intellectual disability corpus luteum cyst large cell medulloblastoma alcohol withdrawal delirium subependymal giant cell astrocytoma malignant ependymoma early myoclonic encephalopathy panic disorder

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

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

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

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

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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.

9H9E | pdb_00009h9e