4TNV | pdb_00004tnv

C. elegans glutamate-gated chloride channel (GluCl) in complex with Fab in a non-conducting conformation

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
IMGT Antibody Annotation
SAbDab Antibody Annotation
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: OPM
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)
Q [auth T]	Viral_helicase1	e4tnvT1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Viral_helicase1	ECOD (v294.1)
P [auth S]	Viral_helicase1	e4tnvS1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Viral_helicase1	ECOD (v294.1)
O [auth R]	Viral_helicase1	e4tnvR1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Viral_helicase1	ECOD (v294.1)
N [auth Q]	Viral_helicase1	e4tnvQ1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Viral_helicase1	ECOD (v294.1)
M [auth P]	Viral_helicase1	e4tnvP1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Viral_helicase1	ECOD (v294.1)
E	Viral_helicase1	e4tnvE1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Viral_helicase1	ECOD (v294.1)
D	Viral_helicase1	e4tnvD1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Viral_helicase1	ECOD (v294.1)
C	Viral_helicase1	e4tnvC1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Viral_helicase1	ECOD (v294.1)
B	Viral_helicase1	e4tnvB1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Viral_helicase1	ECOD (v294.1)
A	Viral_helicase1	e4tnvA1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Viral_helicase1	ECOD (v294.1)
BA [auth J]	Viral_helicase1	e4tnvJ1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Viral_helicase1	ECOD (v294.1)
CA [auth I]	Viral_helicase1	e4tnvI1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Viral_helicase1	ECOD (v294.1)
H	Viral_helicase1	e4tnvH1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Viral_helicase1	ECOD (v294.1)
S [auth V]	Viral_helicase1	e4tnvV1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Viral_helicase1	ECOD (v294.1)
T [auth W]	Viral_helicase1	e4tnvW1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Viral_helicase1	ECOD (v294.1)
U [auth X]	Viral_helicase1	e4tnvX1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Viral_helicase1	ECOD (v294.1)
V [auth Y]	Viral_helicase1	e4tnvY1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Viral_helicase1	ECOD (v294.1)
R [auth U]	Viral_helicase1	e4tnvU1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Viral_helicase1	ECOD (v294.1)
G	Viral_helicase1	e4tnvG1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Viral_helicase1	ECOD (v294.1)
F	Viral_helicase1	e4tnvF1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Viral_helicase1	ECOD (v294.1)
Z [auth h]	Viral_helicase1	e4tnvh1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Viral_helicase1	ECOD (v294.1)
Y [auth g]	Viral_helicase1	e4tnvg1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Viral_helicase1	ECOD (v294.1)
X [auth f]	Viral_helicase1	e4tnvf1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Viral_helicase1	ECOD (v294.1)
W [auth Z]	Viral_helicase1	e4tnvZ1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Viral_helicase1	ECOD (v294.1)
L [auth O]	Viral_helicase1	e4tnvO1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Viral_helicase1	ECOD (v294.1)
K [auth N]	Viral_helicase1	e4tnvN1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Viral_helicase1	ECOD (v294.1)
J [auth L]	Viral_helicase1	e4tnvL1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Viral_helicase1	ECOD (v294.1)
I [auth K]	Viral_helicase1	e4tnvK1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Viral_helicase1	ECOD (v294.1)
DA [auth M]	Viral_helicase1	e4tnvM1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Viral_helicase1	ECOD (v294.1)
AA [auth i]	Viral_helicase1	e4tnvi1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Viral_helicase1	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
Q [auth T]	2.70.170.10	Mainly Beta	Distorted Sandwich	Acetylcholine Binding Protein	Chain: A,	CATH (4.3.0)
Q [auth T]	1.20.58.390	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
P [auth S]	2.70.170.10	Mainly Beta	Distorted Sandwich	Acetylcholine Binding Protein	Chain: A,	CATH (4.3.0)
P [auth S]	1.20.58.390	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
O [auth R]	2.70.170.10	Mainly Beta	Distorted Sandwich	Acetylcholine Binding Protein	Chain: A,	CATH (4.3.0)
O [auth R]	1.20.58.390	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
N [auth Q]	2.70.170.10	Mainly Beta	Distorted Sandwich	Acetylcholine Binding Protein	Chain: A,	CATH (4.3.0)
N [auth Q]	1.20.58.390	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
M [auth P]	2.70.170.10	Mainly Beta	Distorted Sandwich	Acetylcholine Binding Protein	Chain: A,	CATH (4.3.0)
M [auth P]	1.20.58.390	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
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)
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)
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)
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)
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)
BA [auth J]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
CA [auth I]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
H	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
S [auth V]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
T [auth W]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
U [auth X]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
V [auth Y]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
R [auth U]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
G	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
F	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
Z [auth h]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
Y [auth g]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
X [auth f]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
W [auth Z]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
L [auth O]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
K [auth N]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
J [auth L]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
I [auth K]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
DA [auth M]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
AA [auth i]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)

IMGT Antibody Annotation IMGT Database Homepage

Chain	Protein Name	Description	Organism Name	Gene Allele Name(s)	Domain Name(s)	Receptor Type	Receptor Description	Provenance Source
BA [auth J], CA [auth I], F, G, H, BA [auth J], CA [auth I], F, G, H, R [auth U], S [auth V], T [auth W], U [auth X], V [auth Y]	Mouse monoclonal Fab	VH-CH1	Mus musculus (house mouse)	IGHV1-3701, IGHV1-2601, IGHJ201, IGHG102	V-DOMAIN VH, C-DOMAIN CH1	IG	FAB-GAMMA-1_LAMBDA	IMGT (202612-0)
AA [auth i], DA [auth M], I [auth K], J [auth L], K [auth N], AA [auth i], DA [auth M], I [auth K], J [auth L], K [auth N], L [auth O], W [auth Z], X [auth f], Y [auth g], Z [auth h]	Mouse monoclonal Fab	L-LAMBDA	Mus musculus (house mouse)	IGLV101, IGLJ101, IGLC1*01	V-DOMAIN V-LAMBDA, C-DOMAIN C-LAMBDA	IG	FAB-GAMMA-1_LAMBDA	IMGT (202612-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
BA [auth J], CA [auth I], F, G, H, BA [auth J], CA [auth I], F, G, H, R [auth U], S [auth V], T [auth W], U [auth X], V [auth Y]	Heavy Chain	IGHV1	-	avermectin-sensitive glutamate-gated chloride channel gluclalpha	SAbDab (2026-03-27)
AA [auth i], DA [auth M], I [auth K], J [auth L], K [auth N], AA [auth i], DA [auth M], I [auth K], J [auth L], K [auth N], L [auth O], W [auth Z], X [auth f], Y [auth g], Z [auth h]			-	avermectin-sensitive glutamate-gated chloride channel gluclalpha	undefined (undefined)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E, A, B, C, D, E, M [auth P], N [auth Q], O [auth R], P [auth S], Q [auth T]	PF02932	Neurotransmitter-gated ion-channel transmembrane region (Neur_chan_memb)	Neurotransmitter-gated ion-channel transmembrane region	-	Family
A, B, C, D, E, A, B, C, D, E, M [auth P], N [auth Q], O [auth R], P [auth S], Q [auth T]	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, M [auth P], N [auth Q], O [auth R], P [auth S], Q [auth T]	Avermectin-sensitive glutamate-gated chloride channel GluCl alpha	gated channel activity monoatomic ion channel activity excitatory 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 monoatomic anion transmembrane transporter activity chloride transmembrane transporter activity ligand-gated monoatomic anion channel activity gated channel activity monoatomic ion channel activity excitatory 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 monoatomic anion transmembrane transporter activity chloride transmembrane transporter activity ligand-gated monoatomic anion channel activity extracellularly glutamate-gated ion channel activity monoatomic anion channel activity extracellularly glutamate-gated chloride channel activity chloride channel activity identical protein binding protein binding binding molecular transducer activity transmembrane signaling receptor activity signaling receptor activity organic acid binding ion binding anion binding amino acid binding carboxylic acid binding glutamate binding small molecule binding	cellular component organization cellular component biogenesis cellular component assembly protein-containing complex organization protein complex oligomerization protein-containing complex assembly cellular process cellular component organization or biogenesis transport monoatomic ion transmembrane transport establishment of localization chloride transport transmembrane transport localization cellular component organization cellular component biogenesis cellular component assembly protein-containing complex organization protein complex oligomerization protein-containing complex assembly cellular process cellular component organization or biogenesis 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 inorganic anion transport behavior multicellular organismal process locomotory behavior locomotion involved in locomotory behavior locomotion	cell periphery postsynapse cellular anatomical structure postsynaptic membrane synapse cell junction membrane plasma membrane plasma membrane region synaptic membrane
BA [auth J], CA [auth I], F, G, H, BA [auth J], CA [auth I], F, G, H, R [auth U], S [auth V], T [auth W], U [auth X], V [auth Y]	Mouse monoclonal Fab fragment, heavy chain	-	-	-
AA [auth i], DA [auth M], I [auth K], J [auth L], K [auth N], AA [auth i], DA [auth M], I [auth K], J [auth L], K [auth N], L [auth O], W [auth Z], X [auth f], Y [auth g], Z [auth h]	Mouse monoclonal Fab fragment, light chain	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E, A, B, C, D, E, M [auth P], N [auth Q], O [auth R], P [auth S], Q [auth T]	IPR044721	Glutamate gated chloride channel, transmembrane domain	Domain
A, B, C, D, E, A, B, C, D, E, M [auth P], N [auth Q], O [auth R], P [auth S], Q [auth T]	IPR018000	Neurotransmitter-gated ion-channel, conserved site	Conserved Site
A, B, C, D, E, A, B, C, D, E, M [auth P], N [auth Q], O [auth R], P [auth S], Q [auth T]	IPR038050	Neuronal acetylcholine receptor	Homologous Superfamily
A, B, C, D, E, A, B, C, D, E, M [auth P], N [auth Q], O [auth R], P [auth S], Q [auth T]	IPR006202	Neurotransmitter-gated ion-channel ligand-binding domain	Domain
A, B, C, D, E, A, B, C, D, E, M [auth P], N [auth Q], O [auth R], P [auth S], Q [auth T]	IPR036719	Neurotransmitter-gated ion-channel transmembrane domain superfamily	Homologous Superfamily
A, B, C, D, E, A, B, C, D, E, M [auth P], N [auth Q], O [auth R], P [auth S], Q [auth T]	IPR006028	Gamma-aminobutyric acid A receptor/Glycine receptor alpha	Family
A, B, C, D, E, A, B, C, D, E, M [auth P], N [auth Q], O [auth R], P [auth S], Q [auth T]	IPR006029	Neurotransmitter-gated ion-channel transmembrane domain	Domain
A, B, C, D, E, A, B, C, D, E, M [auth P], N [auth Q], O [auth R], P [auth S], Q [auth T]	IPR036734	Neurotransmitter-gated ion-channel ligand-binding domain superfamily	Homologous Superfamily
A, B, C, D, E, A, B, C, D, E, M [auth P], N [auth Q], O [auth R], P [auth S], Q [auth T]	IPR006201	Neurotransmitter-gated ion-channel	Family

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B, C, D, E A, B, C, D, E, M [auth P], N [auth Q], O [auth R], P [auth S], Q [auth T]	OPM	Transmembrane	Alpha-helical polytopic	Pentameric ligand-gated ion channels	Ligand-gated ion channel of neurotransmitter receptors

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A, B, C, D, E A, B, C, D, E, M [auth P], N [auth Q], O [auth R], P [auth S], Q [auth T]	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A, B, C, D, E A, B, C, D, E, M [auth P], N [auth Q], O [auth R], P [auth S], Q [auth T]	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.

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