Annotations: 4HQP

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Nicotinic receptor ligand binding domain-like	8035210	3000369	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Nicotinic receptor ligand binding domain-like	8035210	3000369	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Nicotinic receptor ligand binding domain-like	8035210	3000369	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Nicotinic receptor ligand binding domain-like	8035210	3000369	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Nicotinic receptor ligand binding domain-like	8035210	3000369	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF02931	e4hqpA1	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	PF02931	e4hqpB1	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	PF02931	e4hqpC1	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	PF02931	e4hqpD1	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	PF02931	e4hqpE1	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	PF21947	e4hqpF1	A: few secondary structure elements	X: Snake toxin-like (From Topology)	H: Snake toxin-like (From Topology)	T: Snake toxin-like	F: PF21947	ECOD (1.6)
G	PF21947	e4hqpG1	A: few secondary structure elements	X: Snake toxin-like (From Topology)	H: Snake toxin-like (From Topology)	T: Snake toxin-like	F: PF21947	ECOD (1.6)
H	PF21947	e4hqpH1	A: few secondary structure elements	X: Snake toxin-like (From Topology)	H: Snake toxin-like (From Topology)	T: Snake toxin-like	F: PF21947	ECOD (1.6)
I	PF21947	e4hqpI1	A: few secondary structure elements	X: Snake toxin-like (From Topology)	H: Snake toxin-like (From Topology)	T: Snake toxin-like	F: PF21947	ECOD (1.6)
J	PF21947	e4hqpJ1	A: few secondary structure elements	X: Snake toxin-like (From Topology)	H: Snake toxin-like (From Topology)	T: Snake toxin-like	F: PF21947	ECOD (1.6)

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)
B	2.70.170.10	Mainly Beta	Distorted Sandwich	Acetylcholine Binding Protein	Chain: A,	CATH (4.3.0)
C	2.70.170.10	Mainly Beta	Distorted Sandwich	Acetylcholine Binding Protein	Chain: A,	CATH (4.3.0)
D	2.70.170.10	Mainly Beta	Distorted Sandwich	Acetylcholine Binding Protein	Chain: A,	CATH (4.3.0)
E	2.70.170.10	Mainly Beta	Distorted Sandwich	Acetylcholine Binding Protein	Chain: A,	CATH (4.3.0)
F	2.10.60.10	Mainly Beta	Ribbon	CD59	CD59	CATH (4.3.0)
G	2.10.60.10	Mainly Beta	Ribbon	CD59	CD59	CATH (4.3.0)
H	2.10.60.10	Mainly Beta	Ribbon	CD59	CD59	CATH (4.3.0)
I	2.10.60.10	Mainly Beta	Ribbon	CD59	CD59	CATH (4.3.0)
J	2.10.60.10	Mainly Beta	Ribbon	CD59	CD59	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	Alpha7 nicotinic receptor chimera	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 molecular transducer activity transmembrane signaling receptor activity signaling receptor activity	-	synaptic cleft extracellular region cellular anatomical entity membrane synapse cell junction
F, G, H, I, J	Alpha-bungarotoxin isoform V31	channel regulator activity ion channel regulator activity molecular function regulator activity transporter regulator activity neurotransmitter receptor regulator activity acetylcholine receptor regulator activity molecular function inhibitor activity acetylcholine receptor inhibitor activity signaling receptor inhibitor activity signaling receptor regulator activity toxin activity	-	extracellular region cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E	IPR007110	Immunoglobulin-like domain	Domain
A, B, C, D, E	IPR006202	Neurotransmitter-gated ion-channel ligand-binding domain	Domain
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
F, G, H, I, J	IPR018354	Snake toxin, conserved site	Conserved Site
F, G, H, I, J	IPR045860	Snake toxin-like superfamily	Homologous Superfamily
F, G, H, I, J	IPR003571	Snake three-finger toxin	Family

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.