4TWD | pdb_00004twd

X-ray structure of a pentameric ligand gated ion channel from Erwinia chrysanthemi (ELIC) in complex with memantine

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: OPM
Membrane Protein Annotation: PDBTM
Membrane Protein Annotation: MemProtMD
Membrane Protein Annotation: mpstruc

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
J	SNF	e4twdJ1	A: a/b three-layered sandwiches	X: Mitochondrial mTERF-like	H: Transcription activator-like effector (TALE)	T: Transcription activator-like effector (TALE)	F: SNF	ECOD (v294.1)
I	SNF	e4twdI1	A: a/b three-layered sandwiches	X: Mitochondrial mTERF-like	H: Transcription activator-like effector (TALE)	T: Transcription activator-like effector (TALE)	F: SNF	ECOD (v294.1)
H	SNF	e4twdH1	A: a/b three-layered sandwiches	X: Mitochondrial mTERF-like	H: Transcription activator-like effector (TALE)	T: Transcription activator-like effector (TALE)	F: SNF	ECOD (v294.1)
G	SNF	e4twdG1	A: a/b three-layered sandwiches	X: Mitochondrial mTERF-like	H: Transcription activator-like effector (TALE)	T: Transcription activator-like effector (TALE)	F: SNF	ECOD (v294.1)
F	SNF	e4twdF1	A: a/b three-layered sandwiches	X: Mitochondrial mTERF-like	H: Transcription activator-like effector (TALE)	T: Transcription activator-like effector (TALE)	F: SNF	ECOD (v294.1)
E	SNF	e4twdE1	A: a/b three-layered sandwiches	X: Mitochondrial mTERF-like	H: Transcription activator-like effector (TALE)	T: Transcription activator-like effector (TALE)	F: SNF	ECOD (v294.1)
D	SNF	e4twdD1	A: a/b three-layered sandwiches	X: Mitochondrial mTERF-like	H: Transcription activator-like effector (TALE)	T: Transcription activator-like effector (TALE)	F: SNF	ECOD (v294.1)
C	SNF	e4twdC1	A: a/b three-layered sandwiches	X: Mitochondrial mTERF-like	H: Transcription activator-like effector (TALE)	T: Transcription activator-like effector (TALE)	F: SNF	ECOD (v294.1)
B	SNF	e4twdB1	A: a/b three-layered sandwiches	X: Mitochondrial mTERF-like	H: Transcription activator-like effector (TALE)	T: Transcription activator-like effector (TALE)	F: SNF	ECOD (v294.1)
A	SNF	e4twdA1	A: a/b three-layered sandwiches	X: Mitochondrial mTERF-like	H: Transcription activator-like effector (TALE)	T: Transcription activator-like effector (TALE)	F: SNF	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
J	2.70.170.10	Mainly Beta	Distorted Sandwich	Acetylcholine Binding Protein	Chain: A,	CATH (4.3.0)
J	1.20.58.390	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
I	2.70.170.10	Mainly Beta	Distorted Sandwich	Acetylcholine Binding Protein	Chain: A,	CATH (4.3.0)
I	1.20.58.390	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
H	2.70.170.10	Mainly Beta	Distorted Sandwich	Acetylcholine Binding Protein	Chain: A,	CATH (4.3.0)
H	1.20.58.390	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
G	2.70.170.10	Mainly Beta	Distorted Sandwich	Acetylcholine Binding Protein	Chain: A,	CATH (4.3.0)
G	1.20.58.390	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
F	2.70.170.10	Mainly Beta	Distorted Sandwich	Acetylcholine Binding Protein	Chain: A,	CATH (4.3.0)
F	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)

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	Cys-loop ligand-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 identical protein binding protein binding binding molecular transducer 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 identical protein binding protein binding binding molecular transducer activity transmembrane signaling receptor activity signaling receptor activity	-	cell periphery cellular anatomical structure plasma membrane membrane

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	IPR038050	Neuronal acetylcholine receptor	Homologous Superfamily
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	IPR036719	Neurotransmitter-gated ion-channel transmembrane domain superfamily	Homologous Superfamily
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

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B, C, D, E A, B, C, D, E, F, G, H, I, J	OPM	Transmembrane	Alpha-helical polytopic	Pentameric ligand-gated ion channels	Prokaryotic pentameric ligand-gated ion channels

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A, B, C, D, E A, B, C, D, E, F, G, H, I, J	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, F, G, H, I, J	MemProtMD	Annotated as membrane protein by MemProtMD

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B, C, D, E A, B, C, D, E, F, G, H, I, J	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Cys-Loop Receptor Family	Prokaryotic pentameric ligand-gated ion channel (ELIC) in complex with Br-memantine