4HFB

The GLIC pentameric Ligand-Gated Ion Channel F14'A ethanol-sensitive mutant (Apo)

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
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)
E	PF02931	e4hfbE3	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	F_UNCLASSIFIED	e4hfbE4	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: F_UNCLASSIFIED	ECOD (1.6)
A	PF02931	e4hfbA1	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)
A	F_UNCLASSIFIED	e4hfbA2	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: F_UNCLASSIFIED	ECOD (1.6)
B	PF02931	e4hfbB1	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	F_UNCLASSIFIED	e4hfbB2	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: F_UNCLASSIFIED	ECOD (1.6)
C	PF02931	e4hfbC3	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	F_UNCLASSIFIED	e4hfbC4	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: F_UNCLASSIFIED	ECOD (1.6)
D	PF02931	e4hfbD1	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	F_UNCLASSIFIED	e4hfbD2	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: F_UNCLASSIFIED	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
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)
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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
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	Proton-gated ion channel	ligand-gated channel activity ligand-gated monoatomic ion channel activity extracellular ligand-gated monoatomic ion channel activity passive transmembrane transporter activity gated channel activity monoatomic ion channel activity channel activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity monoatomic cation transmembrane transporter activity potassium ion transmembrane transporter activity potassium channel activity monoatomic cation channel activity ligand-gated channel activity ligand-gated monoatomic ion channel activity extracellular ligand-gated monoatomic ion channel activity passive transmembrane transporter activity gated channel activity monoatomic ion channel activity channel activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity monoatomic cation transmembrane transporter activity potassium ion transmembrane transporter activity potassium channel activity monoatomic cation channel activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity metal ion transmembrane transporter activity sodium channel activity sodium ion transmembrane transporter activity identical protein binding protein binding binding molecular transducer activity transmembrane signaling receptor activity signaling receptor activity	-	cell periphery plasma membrane membrane cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E	IPR038050	Neuronal acetylcholine receptor	Homologous Superfamily
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	IPR036734	Neurotransmitter-gated ion-channel ligand-binding domain superfamily	Homologous Superfamily
A, B, C, D, E	IPR006201	Neurotransmitter-gated ion-channel	Family

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 National Science Foundation (DBI-1832184), 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 R01GM133198.