7PBZ

a1b3 GABA-A receptor + GABA + Zn2+

External Resource: Annotation

Domain Annotation: ECOD Classification
SAbDab Antibody Annotation
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations
Membrane Protein Annotation: OPM
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 [auth F]	PF07686	e7pbzF1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07686	ECOD (1.6)
B [auth A]	PF02931	e7pbzA1	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: PF02931	ECOD (1.6)
B [auth A]	PF02932	e7pbzA2	A: alpha bundles	X: Neurotransmitter-gated ion-channel transmembrane pore (From Topology)	H: Neurotransmitter-gated ion-channel transmembrane pore (From Topology)	T: Neurotransmitter-gated ion-channel transmembrane pore	F: PF02932	ECOD (1.6)
C [auth B]	PF02931	e7pbzB1	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: PF02931	ECOD (1.6)
C [auth B]	PF02932	e7pbzB2	A: alpha bundles	X: Neurotransmitter-gated ion-channel transmembrane pore (From Topology)	H: Neurotransmitter-gated ion-channel transmembrane pore (From Topology)	T: Neurotransmitter-gated ion-channel transmembrane pore	F: PF02932	ECOD (1.6)
D [auth C]	PF02931	e7pbzC1	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: PF02931	ECOD (1.6)
D [auth C]	PF02932	e7pbzC2	A: alpha bundles	X: Neurotransmitter-gated ion-channel transmembrane pore (From Topology)	H: Neurotransmitter-gated ion-channel transmembrane pore (From Topology)	T: Neurotransmitter-gated ion-channel transmembrane pore	F: PF02932	ECOD (1.6)
E	PF02931	e7pbzE2	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: PF02931	ECOD (1.6)
E	PF02932	e7pbzE1	A: alpha bundles	X: Neurotransmitter-gated ion-channel transmembrane pore (From Topology)	H: Neurotransmitter-gated ion-channel transmembrane pore (From Topology)	T: Neurotransmitter-gated ion-channel transmembrane pore	F: PF02932	ECOD (1.6)
F [auth D]	PF02931	e7pbzD2	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: PF02931	ECOD (1.6)
F [auth D]	PF02932	e7pbzD1	A: alpha bundles	X: Neurotransmitter-gated ion-channel transmembrane pore (From Topology)	H: Neurotransmitter-gated ion-channel transmembrane pore (From Topology)	T: Neurotransmitter-gated ion-channel transmembrane pore	F: PF02932	ECOD (1.6)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
A [auth F]	Heavy Chain	IGHV1	-	gamma-aminobutyric acid receptor subunit beta-3 \| gamma-aminobutyric acid receptor subunit beta-3	SAbDab (2024-05-10)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B [auth A]	PF02931	Neurotransmitter-gated ion-channel ligand binding domain (Neur_chan_LBD)	Neurotransmitter-gated ion-channel ligand binding domain	-	Family
C [auth B], D [auth C], E	PF02932	Neurotransmitter-gated ion-channel transmembrane region (Neur_chan_memb)	Neurotransmitter-gated ion-channel transmembrane region	-	Family
C [auth B], D [auth C], E	PF02931	Neurotransmitter-gated ion-channel ligand binding domain (Neur_chan_LBD)	Neurotransmitter-gated ion-channel ligand binding domain	-	Family
F [auth D]	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 [auth F]	Megabody 25	-	-	-
B [auth A]	Gamma-aminobutyric acid receptor subunit alpha-1	gated channel activity monoatomic ion channel activity inhibitory extracellular ligand-gated monoatomic ion channel activity ligand-gated channel activity ligand-gated monoatomic ion channel activity extracellular ligand-gated monoatomic ion channel activity passive transmembrane transporter activity channel activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity transmitter-gated monoatomic ion channel activity monoatomic anion transmembrane transporter activity chloride transmembrane transporter activity gated channel activity monoatomic ion channel activity inhibitory extracellular ligand-gated monoatomic ion channel activity ligand-gated channel activity ligand-gated monoatomic ion channel activity extracellular ligand-gated monoatomic ion channel activity passive transmembrane transporter activity channel activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity transmitter-gated monoatomic ion channel activity monoatomic anion transmembrane transporter activity chloride transmembrane transporter activity molecular transducer activity neurotransmitter receptor activity inorganic molecular entity transmembrane transporter activity GABA-gated chloride ion channel activity signaling receptor activity ligand-gated monoatomic anion channel activity transmitter-gated channel activity monoatomic anion channel activity inorganic anion 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 postsynaptic neurotransmitter receptor activity neurotransmitter receptor activity involved in regulation of postsynaptic membrane potential	transport monoatomic ion transmembrane transport inorganic ion transmembrane transport inorganic anion 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 transport monoatomic ion transmembrane transport inorganic ion transmembrane transport inorganic anion 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 regulation of postsynaptic membrane potential regulation of biological quality regulation of membrane potential 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	protein-containing complex transmembrane transporter complex membrane chloride channel complex membrane protein complex cellular anatomical entity transporter complex monoatomic ion channel complex cell periphery postsynapse postsynaptic membrane synapse cell junction plasma membrane protein-containing complex transmembrane transporter complex membrane chloride channel complex membrane protein complex cellular anatomical entity transporter complex monoatomic ion channel complex cell periphery postsynapse postsynaptic membrane synapse cell junction plasma membrane plasma membrane region synaptic membrane GABA receptor complex receptor complex GABA-A receptor complex GABA-ergic synapse cell projection neuron projection plasma membrane bounded cell projection membrane-bounded organelle intracellular anatomical structure intracellular vesicle intracellular membrane-bounded organelle intracellular organelle cytoplasmic vesicle membrane vesicle membrane cytoplasmic vesicle organelle cytoplasm vesicle organelle membrane cell leading edge leading edge membrane somatodendritic compartment neuron projection membrane dendrite membrane dendrite dendritic tree cell projection membrane
C [auth B], D [auth C], E	Gamma-aminobutyric acid receptor subunit beta-3	transmitter-gated monoatomic ion channel activity monoatomic anion transmembrane transporter activity chloride transmembrane transporter activity molecular transducer activity monoatomic ion channel activity neurotransmitter receptor activity ligand-gated channel activity passive transmembrane transporter activity inorganic molecular entity transmembrane transporter activity transporter activity GABA-gated chloride ion channel activity gated channel activity signaling receptor activity ligand-gated monoatomic anion channel activity transmitter-gated monoatomic ion channel activity monoatomic anion transmembrane transporter activity chloride transmembrane transporter activity molecular transducer activity monoatomic ion channel activity neurotransmitter receptor activity ligand-gated channel activity passive transmembrane transporter activity inorganic molecular entity transmembrane transporter activity transporter activity GABA-gated chloride ion channel activity gated channel activity signaling receptor activity ligand-gated monoatomic anion channel activity ligand-gated monoatomic ion channel activity extracellular ligand-gated monoatomic ion channel activity channel activity transmitter-gated channel activity monoatomic ion transmembrane transporter activity monoatomic anion channel activity transmembrane transporter activity inorganic anion transmembrane transporter activity chloride channel activity GABA-A receptor activity GABA receptor activity transmembrane signaling receptor activity identical protein binding protein binding binding	transport monoatomic ion transmembrane transport inorganic ion transmembrane transport inorganic anion 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 transport monoatomic ion transmembrane transport inorganic ion transmembrane transport inorganic anion 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 stimulus cellular response to nitrogen compound response to organic substance response to stimulus response to organonitrogen compound response to endogenous stimulus cellular response to organic cyclic compound response to nitrogen compound cellular response to endogenous stimulus cellular response to chemical stimulus response to histamine cellular response to organonitrogen compound response to chemical cellular response to histamine cellular response to organic substance response to organic cyclic compound regulation of biological process signaling biological regulation cell-cell signaling gamma-aminobutyric acid signaling pathway cell communication regulation of cellular process signal transduction 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 roof of mouth development	protein-containing complex transmembrane transporter complex membrane chloride channel complex membrane protein complex cellular anatomical entity transporter complex monoatomic ion channel complex cell periphery postsynapse postsynaptic membrane synapse cell junction plasma membrane protein-containing complex transmembrane transporter complex membrane chloride channel complex membrane protein complex cellular anatomical entity transporter complex monoatomic ion channel complex cell periphery postsynapse postsynaptic membrane synapse cell junction plasma membrane plasma membrane region synaptic membrane GABA receptor complex GABA-A receptor complex receptor complex cell projection neuron projection plasma membrane bounded cell projection membrane-bounded organelle intracellular anatomical structure intracellular vesicle intracellular membrane-bounded organelle intracellular organelle cytoplasmic vesicle membrane vesicle membrane cytoplasmic vesicle organelle cytoplasm vesicle organelle membrane
F [auth D]	Gamma-aminobutyric acid receptor subunit alpha-1	gated channel activity monoatomic ion channel activity inhibitory extracellular ligand-gated monoatomic ion channel activity ligand-gated channel activity ligand-gated monoatomic ion channel activity extracellular ligand-gated monoatomic ion channel activity passive transmembrane transporter activity channel activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity transmitter-gated monoatomic ion channel activity monoatomic anion transmembrane transporter activity chloride transmembrane transporter activity gated channel activity monoatomic ion channel activity inhibitory extracellular ligand-gated monoatomic ion channel activity ligand-gated channel activity ligand-gated monoatomic ion channel activity extracellular ligand-gated monoatomic ion channel activity passive transmembrane transporter activity channel activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity transmitter-gated monoatomic ion channel activity monoatomic anion transmembrane transporter activity chloride transmembrane transporter activity molecular transducer activity neurotransmitter receptor activity inorganic molecular entity transmembrane transporter activity GABA-gated chloride ion channel activity signaling receptor activity ligand-gated monoatomic anion channel activity transmitter-gated channel activity monoatomic anion channel activity inorganic anion 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 postsynaptic neurotransmitter receptor activity neurotransmitter receptor activity involved in regulation of postsynaptic membrane potential	transport monoatomic ion transmembrane transport inorganic ion transmembrane transport inorganic anion 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 transport monoatomic ion transmembrane transport inorganic ion transmembrane transport inorganic anion 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 regulation of postsynaptic membrane potential regulation of biological quality regulation of membrane potential 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	protein-containing complex transmembrane transporter complex membrane chloride channel complex membrane protein complex cellular anatomical entity transporter complex monoatomic ion channel complex cell periphery postsynapse postsynaptic membrane synapse cell junction plasma membrane protein-containing complex transmembrane transporter complex membrane chloride channel complex membrane protein complex cellular anatomical entity transporter complex monoatomic ion channel complex cell periphery postsynapse postsynaptic membrane synapse cell junction plasma membrane plasma membrane region synaptic membrane GABA receptor complex receptor complex GABA-A receptor complex GABA-ergic synapse cell projection neuron projection plasma membrane bounded cell projection membrane-bounded organelle intracellular anatomical structure intracellular vesicle intracellular membrane-bounded organelle intracellular organelle cytoplasmic vesicle membrane vesicle membrane cytoplasmic vesicle organelle cytoplasm vesicle organelle membrane cell leading edge leading edge membrane somatodendritic compartment neuron projection membrane dendrite membrane dendrite dendritic tree cell projection membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B [auth A]	IPR001390	Gamma-aminobutyric-acid A receptor, alpha subunit	Family
B [auth A]	IPR005431	Gamma-aminobutyric-acid A receptor, alpha 1 subunit	Family
B [auth A]	IPR006202	Neurotransmitter-gated ion-channel ligand-binding domain	Domain
B [auth A]	IPR036719	Neurotransmitter-gated ion-channel transmembrane domain superfamily	Homologous Superfamily
B [auth A]	IPR006028	Gamma-aminobutyric acid A receptor/Glycine receptor alpha	Family
B [auth A]	IPR006029	Neurotransmitter-gated ion-channel transmembrane domain	Domain
B [auth A]	IPR036734	Neurotransmitter-gated ion-channel ligand-binding domain superfamily	Homologous Superfamily
B [auth A]	IPR018000	Neurotransmitter-gated ion-channel, conserved site	Conserved Site
B [auth A]	IPR038050	Neuronal acetylcholine receptor	Homologous Superfamily
B [auth A]	IPR047024	Gamma-aminobutyric acid receptor subunit alpha 1-6, transmembrane domain	Domain
B [auth A]	IPR047079	Gamma-aminobutyric acid receptor subunit alpha-1, extracellular domain	Domain
B [auth A]	IPR006201	Neurotransmitter-gated ion-channel	Family
C [auth B], D [auth C], E	IPR006202	Neurotransmitter-gated ion-channel ligand-binding domain	Domain
C [auth B], D [auth C], E	IPR036719	Neurotransmitter-gated ion-channel transmembrane domain superfamily	Homologous Superfamily
C [auth B], D [auth C], E	IPR006028	Gamma-aminobutyric acid A receptor/Glycine receptor alpha	Family
C [auth B], D [auth C], E	IPR002289	Gamma-aminobutyric-acid A receptor, beta subunit	Family
C [auth B], D [auth C], E	IPR006029	Neurotransmitter-gated ion-channel transmembrane domain	Domain
C [auth B], D [auth C], E	IPR036734	Neurotransmitter-gated ion-channel ligand-binding domain superfamily	Homologous Superfamily
C [auth B], D [auth C], E	IPR018000	Neurotransmitter-gated ion-channel, conserved site	Conserved Site
C [auth B], D [auth C], E	IPR038050	Neuronal acetylcholine receptor	Homologous Superfamily
C [auth B], D [auth C], E	IPR006201	Neurotransmitter-gated ion-channel	Family
F [auth D]	IPR001390	Gamma-aminobutyric-acid A receptor, alpha subunit	Family
F [auth D]	IPR005431	Gamma-aminobutyric-acid A receptor, alpha 1 subunit	Family
F [auth D]	IPR006202	Neurotransmitter-gated ion-channel ligand-binding domain	Domain
F [auth D]	IPR036719	Neurotransmitter-gated ion-channel transmembrane domain superfamily	Homologous Superfamily
F [auth D]	IPR006028	Gamma-aminobutyric acid A receptor/Glycine receptor alpha	Family
F [auth D]	IPR006029	Neurotransmitter-gated ion-channel transmembrane domain	Domain
F [auth D]	IPR036734	Neurotransmitter-gated ion-channel ligand-binding domain superfamily	Homologous Superfamily
F [auth D]	IPR018000	Neurotransmitter-gated ion-channel, conserved site	Conserved Site
F [auth D]	IPR038050	Neuronal acetylcholine receptor	Homologous Superfamily
F [auth D]	IPR047024	Gamma-aminobutyric acid receptor subunit alpha 1-6, transmembrane domain	Domain
F [auth D]	IPR047079	Gamma-aminobutyric acid receptor subunit alpha-1, extracellular domain	Domain
F [auth D]	IPR006201	Neurotransmitter-gated ion-channel	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
B [auth A]	Pharos: 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 generalized anxiety disorder pilocytic astrocytoma atypical teratoid rhabdoid tumor 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 generalized anxiety disorder pilocytic astrocytoma atypical teratoid rhabdoid tumor primitive neuroectodermal tumor bipolar disorder irritable bowel syndrome Lennox-Gastaut syndrome Dravet syndrome malignant glioma EJM1 mixed anxiety and depressive disorder epilepsy with generalized tonic-clonic seizures oligodendroglioma anxiety disorder Parkinson disease peptic ulcer disease glioblastoma autism pseudotumor cerebri insomnia developmental and epileptic encephalopathy, 6 alcohol abuse status epilepticus medulloblastoma tetanus ovarian cyst astrocytic tumor partial epilepsy Pick disease schizophrenia intellectual disability corpus luteum cyst large cell medulloblastoma malignant ependymoma alcohol withdrawal delirium subependymal giant cell astrocytoma early myoclonic encephalopathy panic disorder
C [auth B], D [auth C], E	Pharos: 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 malignant ependymoma depressive disorder 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 malignant ependymoma depressive disorder duplication/inversion 15q11 status epilepticus pancreatic intraductal papillary-mucinous neoplasm astrocytic tumor gastric carcinoma pilocytic astrocytoma glioblastoma primitive neuroectodermal tumor bipolar disorder interstitial cystitis brain injury juvenile absence epilepsy malignant glioma Sjogren syndrome 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 irritable bowel syndrome schizoaffective disorder large cell medulloblastoma lung carcinoma Crohn disease medulloblastoma alcohol withdrawal delirium early myoclonic encephalopathy tetanus panic disorder atypical teratoid rhabdoid tumor Pick disease generalized anxiety disorder Prader-Willi syndrome
F [auth D]	Pharos: 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 generalized anxiety disorder pilocytic astrocytoma atypical teratoid rhabdoid tumor 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 generalized anxiety disorder pilocytic astrocytoma atypical teratoid rhabdoid tumor primitive neuroectodermal tumor bipolar disorder irritable bowel syndrome Lennox-Gastaut syndrome Dravet syndrome malignant glioma EJM1 mixed anxiety and depressive disorder epilepsy with generalized tonic-clonic seizures oligodendroglioma anxiety disorder Parkinson disease peptic ulcer disease glioblastoma autism pseudotumor cerebri insomnia developmental and epileptic encephalopathy, 6 alcohol abuse status epilepticus medulloblastoma tetanus ovarian cyst astrocytic tumor partial epilepsy Pick disease schizophrenia intellectual disability corpus luteum cyst large cell medulloblastoma malignant ependymoma alcohol withdrawal delirium subependymal giant cell astrocytoma early myoclonic encephalopathy panic disorder

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
B [auth A], C [auth B], D [auth C], E, F [auth D]	OPM	Transmembrane	Alpha-helical polytopic	Pentameric ligand-gated ion channels	Ligand-gated ion channel of neurotransmitter receptors

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
B [auth A], C [auth B], D [auth C], E, F [auth D]	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Cys-Loop Receptor Family	GABA_A receptor (αββαβ) with bound α-Cobratoxin