4ZRU

X-ray crystal structure of Lymnaea stagnalis acetylcholine binding protein (Ls-AChBP) in complex with 3-[2-[(2S)-pyrrolidin-2-yl]ethynyl]pyridine (TI-5180)

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
C	d4zruc_	All beta proteins	Nicotinic receptor ligand binding domain-like	Nicotinic receptor ligand binding domain-like	Nicotinic receptor ligand binding domain-like	automated matches	Great pond snail (Lymnaea stagnalis ) [TaxId: 6523 ],	SCOPe (2.08)
F	d4zruf1	All beta proteins	Nicotinic receptor ligand binding domain-like	Nicotinic receptor ligand binding domain-like	Nicotinic receptor ligand binding domain-like	automated matches	Great pond snail (Lymnaea stagnalis ) [TaxId: 6523 ],	SCOPe (2.08)
F	d4zruf2	Artifacts	Tags	Tags	Tags	N-terminal Tags	Great pond snail (Lymnaea stagnalis ) [TaxId: 6523 ],	SCOPe (2.08)
G	d4zrug1	All beta proteins	Nicotinic receptor ligand binding domain-like	Nicotinic receptor ligand binding domain-like	Nicotinic receptor ligand binding domain-like	automated matches	Great pond snail (Lymnaea stagnalis ) [TaxId: 6523 ],	SCOPe (2.08)
G	d4zrug2	Artifacts	Tags	Tags	Tags	N-terminal Tags	Great pond snail (Lymnaea stagnalis ) [TaxId: 6523 ],	SCOPe (2.08)
H	d4zruh1	All beta proteins	Nicotinic receptor ligand binding domain-like	Nicotinic receptor ligand binding domain-like	Nicotinic receptor ligand binding domain-like	automated matches	Great pond snail (Lymnaea stagnalis ) [TaxId: 6523 ],	SCOPe (2.08)
H	d4zruh2	Artifacts	Tags	Tags	Tags	N-terminal Tags	Great pond snail (Lymnaea stagnalis ) [TaxId: 6523 ],	SCOPe (2.08)
I	d4zrui1	All beta proteins	Nicotinic receptor ligand binding domain-like	Nicotinic receptor ligand binding domain-like	Nicotinic receptor ligand binding domain-like	automated matches	Great pond snail (Lymnaea stagnalis ) [TaxId: 6523 ],	SCOPe (2.08)
I	d4zrui2	Artifacts	Tags	Tags	Tags	N-terminal Tags	Great pond snail (Lymnaea stagnalis ) [TaxId: 6523 ],	SCOPe (2.08)
A	d4zrua1	All beta proteins	Nicotinic receptor ligand binding domain-like	Nicotinic receptor ligand binding domain-like	Nicotinic receptor ligand binding domain-like	automated matches	Great pond snail (Lymnaea stagnalis ) [TaxId: 6523 ],	SCOPe (2.08)
A	d4zrua2	Artifacts	Tags	Tags	Tags	N-terminal Tags	Great pond snail (Lymnaea stagnalis ) [TaxId: 6523 ],	SCOPe (2.08)
B	d4zrub1	All beta proteins	Nicotinic receptor ligand binding domain-like	Nicotinic receptor ligand binding domain-like	Nicotinic receptor ligand binding domain-like	automated matches	Great pond snail (Lymnaea stagnalis ) [TaxId: 6523 ],	SCOPe (2.08)
B	d4zrub2	Artifacts	Tags	Tags	Tags	N-terminal Tags	Great pond snail (Lymnaea stagnalis ) [TaxId: 6523 ],	SCOPe (2.08)
D	d4zrud1	All beta proteins	Nicotinic receptor ligand binding domain-like	Nicotinic receptor ligand binding domain-like	Nicotinic receptor ligand binding domain-like	automated matches	Great pond snail (Lymnaea stagnalis ) [TaxId: 6523 ],	SCOPe (2.08)
D	d4zrud2	Artifacts	Tags	Tags	Tags	N-terminal Tags	Great pond snail (Lymnaea stagnalis ) [TaxId: 6523 ],	SCOPe (2.08)
E	d4zrue_	All beta proteins	Nicotinic receptor ligand binding domain-like	Nicotinic receptor ligand binding domain-like	Nicotinic receptor ligand binding domain-like	automated matches	Great pond snail (Lymnaea stagnalis ) [TaxId: 6523 ],	SCOPe (2.08)
J	d4zruj1	All beta proteins	Nicotinic receptor ligand binding domain-like	Nicotinic receptor ligand binding domain-like	Nicotinic receptor ligand binding domain-like	automated matches	Great pond snail (Lymnaea stagnalis ) [TaxId: 6523 ],	SCOPe (2.08)
J	d4zruj2	Artifacts	Tags	Tags	Tags	N-terminal Tags	Great pond snail (Lymnaea stagnalis ) [TaxId: 6523 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C	SCOP2B Superfamily	Nicotinic receptor ligand binding domain-like	8035210	3000369	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	Nicotinic receptor ligand binding domain-like	8035210	3000369	SCOP2B (2022-06-29)
G	SCOP2B Superfamily	Nicotinic receptor ligand binding domain-like	8035210	3000369	SCOP2B (2022-06-29)
H	SCOP2B Superfamily	Nicotinic receptor ligand binding domain-like	8035210	3000369	SCOP2B (2022-06-29)
I	SCOP2B Superfamily	Nicotinic receptor ligand binding domain-like	8035210	3000369	SCOP2B (2022-06-29)
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)
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)
J	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)
C	Neur_chan_LBD	e4zruC1	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: Neur_chan_LBD	ECOD (1.6)
F	Neur_chan_LBD	e4zruF1	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: Neur_chan_LBD	ECOD (1.6)
G	Neur_chan_LBD	e4zruG1	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: Neur_chan_LBD	ECOD (1.6)
H	Neur_chan_LBD	e4zruH1	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: Neur_chan_LBD	ECOD (1.6)
I	Neur_chan_LBD	e4zruI1	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: Neur_chan_LBD	ECOD (1.6)
A	Neur_chan_LBD	e4zruA1	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: Neur_chan_LBD	ECOD (1.6)
B	Neur_chan_LBD	e4zruB1	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: Neur_chan_LBD	ECOD (1.6)
D	Neur_chan_LBD	e4zruD1	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: Neur_chan_LBD	ECOD (1.6)
E	Neur_chan_LBD	e4zruE1	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: Neur_chan_LBD	ECOD (1.6)
J	Neur_chan_LBD	e4zruJ1	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: Neur_chan_LBD	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C	2.70.170.10	Mainly Beta	Distorted Sandwich	Acetylcholine Binding Protein	Chain: A,	CATH (4.3.0)
F	2.70.170.10	Mainly Beta	Distorted Sandwich	Acetylcholine Binding Protein	Chain: A,	CATH (4.3.0)
G	2.70.170.10	Mainly Beta	Distorted Sandwich	Acetylcholine Binding Protein	Chain: A,	CATH (4.3.0)
H	2.70.170.10	Mainly Beta	Distorted Sandwich	Acetylcholine Binding Protein	Chain: A,	CATH (4.3.0)
I	2.70.170.10	Mainly Beta	Distorted Sandwich	Acetylcholine Binding Protein	Chain: A,	CATH (4.3.0)
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)
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)
J	2.70.170.10	Mainly Beta	Distorted Sandwich	Acetylcholine Binding Protein	Chain: A,	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E A, B, C, D, E, F, G, H, I, J	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 A, B, C, D, E, F, G, H, I, J	Acetylcholine-binding protein	transmitter-gated monoatomic ion channel activity monoatomic cation transmembrane transporter activity molecular transducer activity monoatomic ion channel activity transmitter-gated monoatomic ion channel activity involved in regulation of postsynaptic membrane potential neurotransmitter receptor activity ligand-gated channel activity postsynaptic neurotransmitter receptor activity passive transmembrane transporter activity acetylcholine-gated monoatomic cation-selective channel activity transporter activity ligand-gated monoatomic cation channel activity gated channel activity signaling receptor activity transmitter-gated monoatomic ion channel activity monoatomic cation transmembrane transporter activity molecular transducer activity monoatomic ion channel activity transmitter-gated monoatomic ion channel activity involved in regulation of postsynaptic membrane potential neurotransmitter receptor activity ligand-gated channel activity postsynaptic neurotransmitter receptor activity passive transmembrane transporter activity acetylcholine-gated monoatomic cation-selective channel activity transporter activity ligand-gated monoatomic cation channel activity gated channel activity signaling receptor activity excitatory extracellular ligand-gated monoatomic ion channel activity ligand-gated monoatomic ion channel activity extracellular ligand-gated monoatomic ion channel activity monoatomic cation channel activity neurotransmitter receptor activity involved in regulation of postsynaptic membrane potential channel activity monoatomic ion transmembrane transporter activity transmitter-gated channel activity transmembrane transporter activity transmembrane signaling receptor activity acetylcholine receptor activity	response to stimulus response to chemical response to nicotine	synaptic cleft extracellular region cellular anatomical entity membrane postsynapse synapse cell junction cell projection neuron projection plasma membrane bounded cell projection

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F, G, H, I, J	IPR007110	Immunoglobulin-like domain	Domain
A, B, C, D, E A, B, C, D, E, F, G, H, I, J	IPR006202	Neurotransmitter-gated ion-channel ligand-binding domain	Domain
A, B, C, D, E A, B, C, D, E, F, G, H, I, J	IPR036734	Neurotransmitter-gated ion-channel ligand-binding domain superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F, G, H, I, J	IPR006201	Neurotransmitter-gated ion-channel	Family

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 R01GM133198.