5NKQ

Crystal structure of a dual topology fluoride ion channel.

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: PDBTM
Membrane Protein Annotation: MemProtMD

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
E	d5nkqe_	All beta proteins	Immunoglobulin-like beta-sandwich	Fibronectin type III	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
F	d5nkqf_	All beta proteins	Immunoglobulin-like beta-sandwich	Fibronectin type III	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
G	d5nkqg_	All beta proteins	Immunoglobulin-like beta-sandwich	Fibronectin type III	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
H	d5nkqh_	All beta proteins	Immunoglobulin-like beta-sandwich	Fibronectin type III	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	CRCB	e5nkqA1	A: alpha complex topology	X: Fluoride ion channel (From Topology)	H: Fluoride ion channel (From Topology)	T: Fluoride ion channel	F: CRCB	ECOD (1.6)
B	CRCB	e5nkqB1	A: alpha complex topology	X: Fluoride ion channel (From Topology)	H: Fluoride ion channel (From Topology)	T: Fluoride ion channel	F: CRCB	ECOD (1.6)
C	CRCB	e5nkqC1	A: alpha complex topology	X: Fluoride ion channel (From Topology)	H: Fluoride ion channel (From Topology)	T: Fluoride ion channel	F: CRCB	ECOD (1.6)
D	CRCB	e5nkqD1	A: alpha complex topology	X: Fluoride ion channel (From Topology)	H: Fluoride ion channel (From Topology)	T: Fluoride ion channel	F: CRCB	ECOD (1.6)
E	fn3	e5nkqE1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: fn3	ECOD (1.6)
F	fn3	e5nkqF1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: fn3	ECOD (1.6)
G	fn3	e5nkqG1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: fn3	ECOD (1.6)
H	fn3	e5nkqH1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: fn3	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF02537	CrcB-like protein, Camphor Resistance (CrcB) (CRCB)	CrcB-like protein, Camphor Resistance (CrcB)	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Putative fluoride ion transporter CrcB	monoatomic anion transmembrane transporter activity fluoride channel activity monoatomic ion channel activity passive transmembrane transporter activity fluoride transmembrane transporter activity inorganic molecular entity transmembrane transporter activity channel activity monoatomic anion channel activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity inorganic anion transmembrane transporter activity cation binding ion binding monoatomic anion transmembrane transporter activity fluoride channel activity monoatomic ion channel activity passive transmembrane transporter activity fluoride transmembrane transporter activity inorganic molecular entity transmembrane transporter activity channel activity monoatomic anion channel activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity inorganic anion transmembrane transporter activity cation binding ion binding binding metal ion binding small molecule binding	cellular response to stimulus detoxification of inorganic compound cellular detoxification response to stimulus detoxification response to toxic substance cellular response to chemical stimulus cellular detoxification of fluoride response to chemical cellular process cellular response to fluoride response to fluoride cellular response to toxic substance	cell periphery plasma membrane membrane cellular anatomical entity
E, F, G, H	Monobody	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR003691	Fluoride-specific ion channel FluC	Family

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A, B, C, D	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A, B, C, D	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.