Annotations: 4COF

Crystal structure of a human gamma-aminobutyric acid receptor, the GABA(A)R-beta3 homopentamer

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
Membrane Protein Annotation: OPM
Membrane Protein Annotation: PDBTM
Membrane Protein Annotation: MemProtMD
Membrane Protein Annotation: mpstruc

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	CID	e4cofA1	A: beta barrels	X: HTH	H: Toll/Interleukin receptor TIR domain	T: Toll/Interleukin receptor TIR domain	F: CID	ECOD (v294.2)
B	CID	e4cofB1	A: beta barrels	X: HTH	H: Toll/Interleukin receptor TIR domain	T: Toll/Interleukin receptor TIR domain	F: CID	ECOD (v294.2)
C	CID	e4cofC1	A: beta barrels	X: HTH	H: Toll/Interleukin receptor TIR domain	T: Toll/Interleukin receptor TIR domain	F: CID	ECOD (v294.2)
D	CID	e4cofD1	A: beta barrels	X: HTH	H: Toll/Interleukin receptor TIR domain	T: Toll/Interleukin receptor TIR domain	F: CID	ECOD (v294.2)
E	CID	e4cofE1	A: beta barrels	X: HTH	H: Toll/Interleukin receptor TIR domain	T: Toll/Interleukin receptor TIR domain	F: CID	ECOD (v294.2)

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 (4.3.0)
A	1.20.58.390	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
B	2.70.170.10	Mainly Beta	Distorted Sandwich	Acetylcholine Binding Protein	Chain: A,	CATH (4.3.0)
B	1.20.58.390	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
C	2.70.170.10	Mainly Beta	Distorted Sandwich	Acetylcholine Binding Protein	Chain: A,	CATH (4.3.0)
C	1.20.58.390	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
D	2.70.170.10	Mainly Beta	Distorted Sandwich	Acetylcholine Binding Protein	Chain: A,	CATH (4.3.0)
D	1.20.58.390	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
E	2.70.170.10	Mainly Beta	Distorted Sandwich	Acetylcholine Binding Protein	Chain: A,	CATH (4.3.0)
E	1.20.58.390	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E	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, B, C, D, E	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, B, C, D, E	GAMMA-AMINOBUTYRIC ACID RECEPTOR SUBUNIT BETA-3	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 identical protein binding protein binding binding	developmental process ear development sensory organ development inner ear development cochlea development animal organ development anatomical structure development transport monoatomic ion transmembrane transport establishment of localization chloride transport transmembrane transport localization chloride transmembrane transport developmental process ear development sensory organ development inner ear development cochlea development animal organ development anatomical structure development 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 cellular response to nitrogen compound cellular response to stimulus cellular response to chemical stimulus response to histamine response to stimulus response to chemical cellular response to histamine response to nitrogen compound multicellular organismal process mechanoreceptor differentiation inner ear receptor cell development cellular developmental process cell development nervous system development inner ear receptor cell differentiation generation of neurons neurogenesis multicellular organism development neuron differentiation cell differentiation neuron development system development regulation of biological process signaling biological regulation cell-cell signaling gamma-aminobutyric acid signaling pathway cell communication regulation of cellular process signal transduction inhibitory synapse assembly cellular component organization cellular component biogenesis cell junction organization cellular component assembly cell junction assembly synapse organization cellular component organization or biogenesis synapse assembly regulation of postsynaptic membrane potential system process chemical synaptic transmission, postsynaptic synaptic signaling regulation of biological quality trans-synaptic signaling cell surface receptor signaling pathway nervous system process chemical synaptic transmission anterograde trans-synaptic signaling inhibitory postsynaptic potential regulation of membrane potential synaptic transmission, GABAergic nerve development innervation negative regulation of synaptic transmission, GABAergic negative regulation of signaling modulation of chemical synaptic transmission negative regulation of biological process negative regulation of synaptic transmission negative regulation of cell communication negative regulation of cellular process regulation of signaling regulation of trans-synaptic signaling regulation of cell communication regulation of synaptic transmission, GABAergic extrasynaptic signaling via GABA roof of mouth development	protein-containing complex cellular anatomical structure transmembrane transporter complex membrane chloride channel complex membrane protein complex transporter complex monoatomic ion channel complex cell periphery postsynapse postsynaptic membrane synapse cell junction plasma membrane protein-containing complex cellular anatomical structure transmembrane transporter complex membrane chloride channel complex membrane protein complex transporter complex monoatomic ion channel complex cell periphery postsynapse postsynaptic membrane synapse cell junction plasma membrane plasma membrane region synaptic membrane cell surface postsynaptic specialization membrane postsynaptic specialization organelle GABA receptor complex signaling receptor complex 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 neuron spine neuron projection dendritic spine plasma membrane bounded cell projection somatodendritic compartment cell projection dendrite dendritic tree

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E	IPR006202	Neurotransmitter-gated ion-channel ligand-binding domain	Domain
A, B, C, D, E	IPR036719	Neurotransmitter-gated ion-channel transmembrane domain superfamily	Homologous Superfamily
A, B, C, D, E	IPR006028	Gamma-aminobutyric acid A receptor/Glycine receptor alpha	Family
A, B, C, D, E	IPR002289	Gamma-aminobutyric-acid A receptor, beta subunit	Family
A, B, C, D, E	IPR006029	Neurotransmitter-gated ion-channel transmembrane domain	Domain
A, B, C, D, E	IPR036734	Neurotransmitter-gated ion-channel ligand-binding domain superfamily	Homologous Superfamily
A, B, C, D, E	IPR018000	Neurotransmitter-gated ion-channel, conserved site	Conserved Site
A, B, C, D, E	IPR038050	Neuronal acetylcholine receptor	Homologous Superfamily
A, B, C, D, E	IPR006201	Neurotransmitter-gated ion-channel	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B, C, D, E	: P28472	Angelman syndrome epilepsy childhood absence epilepsy Lennox-Gastaut syndrome developmental and epileptic encephalopathy, 43 epilepsy, childhood absence, susceptibility to, 5 absence epilepsy autism insomnia autism spectrum disorder intellectual disability schizophrenia depressive disorder malignant ependymoma duplication/inversion 15q11 Angelman syndrome epilepsy childhood absence epilepsy Lennox-Gastaut syndrome developmental and epileptic encephalopathy, 43 epilepsy, childhood absence, susceptibility to, 5 absence epilepsy autism insomnia autism spectrum disorder intellectual disability schizophrenia depressive disorder malignant ependymoma duplication/inversion 15q11 status epilepticus pancreatic intraductal papillary-mucinous neoplasm astrocytic tumor pilocytic astrocytoma gastric carcinoma glioblastoma primitive neuroectodermal tumor bipolar disorder brain injury interstitial cystitis juvenile absence epilepsy Sjogren syndrome malignant glioma mixed anxiety and depressive disorder oligodendroglioma epilepsy with generalized tonic-clonic seizures pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia epilepsy, childhood absence, susceptibility to, 1 peptic ulcer disease pituitary cancer psoriasis schizoaffective disorder irritable bowel syndrome large cell medulloblastoma Crohn disease lung carcinoma alcohol withdrawal delirium medulloblastoma early myoclonic encephalopathy tetanus panic disorder atypical teratoid rhabdoid tumor Pick disease Prader-Willi syndrome generalized anxiety disorder

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B, C, D, E	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	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A, B, C, D, E	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	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Cys-Loop Receptor Family	GABA_A receptor (β3 homopentamer)

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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.

4COF | pdb_00004cof