Annotations: 8BHB

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
E	Ku_PK_bind	e8bhbE1	A: a/b three-layered sandwiches	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Ku_PK_bind	ECOD (v294.1)
D	Ku_PK_bind	e8bhbD1	A: a/b three-layered sandwiches	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Ku_PK_bind	ECOD (v294.1)
C	Ku_PK_bind	e8bhbC1	A: a/b three-layered sandwiches	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Ku_PK_bind	ECOD (v294.1)
B	Ku_PK_bind	e8bhbB1	A: a/b three-layered sandwiches	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Ku_PK_bind	ECOD (v294.1)
A	Ku_PK_bind	e8bhbA1	A: a/b three-layered sandwiches	X: RNase A-like	H: RNase A-like	T: RNase A-like	F: Ku_PK_bind	ECOD (v294.1)

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	-	Family
A, B, C, D, E	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, B, C, D, E	Gamma-aminobutyric acid receptor subunit alpha-5	molecular transducer activity signaling receptor activity transmitter-gated monoatomic ion channel activity monoatomic anion transmembrane transporter activity chloride transmembrane transporter activity GABA-gated chloride ion channel activity gated channel activity monoatomic ion channel 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 molecular transducer activity signaling receptor activity transmitter-gated monoatomic ion channel activity monoatomic anion transmembrane transporter activity chloride transmembrane transporter activity GABA-gated chloride ion channel activity gated channel activity monoatomic ion channel 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 ligand-gated monoatomic ion channel activity involved in regulation of presynaptic membrane potential protein binding binding signaling receptor binding GABA receptor binding GABA-A receptor activity GABA receptor activity transmembrane signaling receptor activity transmitter-gated monoatomic ion channel activity involved in regulation of postsynaptic membrane potential	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 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 cellular response to stimulus regulation of cellular process response to stimulus 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 behavior system process learning learning or memory nervous system process cognition associative learning trans-synaptic signaling synaptic transmission, GABAergic chemical synaptic transmission synaptic signaling anterograde trans-synaptic signaling behavioral defense response fear response behavioral fear response defense response response to stress multicellular organismal response to stress nerve development innervation	protein-containing complex cellular anatomical structure transmembrane transporter complex membrane chloride channel complex membrane protein complex transporter complex monoatomic ion channel complex intracellular anatomical structure cytoplasm cytosol cell periphery plasma membrane presynapse protein-containing complex cellular anatomical structure transmembrane transporter complex membrane chloride channel complex membrane protein complex transporter complex monoatomic ion channel complex intracellular anatomical structure cytoplasm cytosol cell periphery plasma membrane presynapse synapse cell junction presynaptic membrane plasma membrane region synaptic membrane postsynaptic specialization membrane postsynaptic specialization postsynapse organelle postsynaptic membrane GABA receptor complex GABA-A receptor complex receptor complex membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle nucleoplasm organelle lumen nuclear lumen GABA-ergic synapse 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 neuronal cell body membrane cell body cell body membrane neuronal cell body

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E	IPR001390	Gamma-aminobutyric-acid A receptor, alpha subunit	Family
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	IPR006029	Neurotransmitter-gated ion-channel transmembrane domain	Domain
A, B, C, D, E	IPR005435	Gamma-aminobutyric-acid A receptor, alpha 5 subunit	Family
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	IPR047024	Gamma-aminobutyric acid receptor subunit alpha 1-6, transmembrane domain	Domain
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	Pharos: P31644	Social Communication Disorder epilepsy visual epilepsy status epilepticus mixed anxiety and depressive disorder duplication/inversion 15q11 oligodendroglioma pilocytic astrocytoma hydrolethalus syndrome primitive neuroectodermal tumor intellectual disability atypical teratoid rhabdoid tumor malignant ependymoma breast cancer tetanus Social Communication Disorder epilepsy visual epilepsy status epilepticus mixed anxiety and depressive disorder duplication/inversion 15q11 oligodendroglioma pilocytic astrocytoma hydrolethalus syndrome primitive neuroectodermal tumor intellectual disability atypical teratoid rhabdoid tumor malignant ependymoma breast cancer tetanus peptic ulcer disease glioblastoma schizoaffective disorder astrocytic tumor irritable bowel syndrome autism large cell medulloblastoma malignant glioma epilepsy with generalized tonic-clonic seizures panic disorder generalized anxiety disorder Pick disease alcohol withdrawal delirium insomnia schizophrenia autism spectrum disorder medulloblastoma bipolar disorder

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

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.