2WSX

Crystal Structure of Carnitine Transporter from Escherichia coli

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
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: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	SNF-like	8092923	3001654	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	SNF-like	8092923	3001654	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	SNF-like	8092923	3001654	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	BCCT	e2wsxA1	A: alpha complex topology	X: Sodium:neurotransmitter symporter family (SNF)-like (From Topology)	H: Sodium:neurotransmitter symporter family (SNF)-like (From Topology)	T: Sodium:neurotransmitter symporter family (SNF)-like	F: BCCT	ECOD (1.6)
B	BCCT	e2wsxB1	A: alpha complex topology	X: Sodium:neurotransmitter symporter family (SNF)-like (From Topology)	H: Sodium:neurotransmitter symporter family (SNF)-like (From Topology)	T: Sodium:neurotransmitter symporter family (SNF)-like	F: BCCT	ECOD (1.6)
C	BCCT	e2wsxC1	A: alpha complex topology	X: Sodium:neurotransmitter symporter family (SNF)-like (From Topology)	H: Sodium:neurotransmitter symporter family (SNF)-like (From Topology)	T: Sodium:neurotransmitter symporter family (SNF)-like	F: BCCT	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C	PF02028	BCCT, betaine/carnitine/choline family transporter (BCCT)	BCCT, betaine/carnitine/choline family transporter	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C	L-CARNITINE/GAMMA-BUTYROBETAINE ANTIPORTER	organic cation transmembrane transporter activity carnitine transmembrane transporter activity 4-(trimethylammonio)butanoate transmembrane transporter activity modified amino acid transmembrane transporter activity secondary active transmembrane transporter activity (R)-carnitine transmembrane transporter activity antiporter activity active transmembrane transporter activity (R)-carnitine:4-(trimethylammonio)butanoate antiporter activity transporter activity transmembrane transporter activity quaternary ammonium group transmembrane transporter activity	carnitine metabolic process organonitrogen compound metabolic process organic substance metabolic process cellular metabolic process metabolic process cellular process amino-acid betaine metabolic process cellular modified amino acid metabolic process quaternary ammonium group transport 4-(trimethylammonio)butanoate transport localization nitrogen compound transport transport organic substance transport carnitine metabolic process organonitrogen compound metabolic process organic substance metabolic process cellular metabolic process metabolic process cellular process amino-acid betaine metabolic process cellular modified amino acid metabolic process quaternary ammonium group transport 4-(trimethylammonio)butanoate transport localization nitrogen compound transport transport organic substance transport modified amino acid transport establishment of localization organic cation transport amino-acid betaine transport carnitine transport	cell periphery plasma membrane membrane cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C	IPR000060	BCCT transporter family	Family
A, B, C	IPR023449	L-carnitine/gamma-butyrobetaine antiporter CaiT	Family
A, B, C	IPR018093	BCCT transporter, conserved site	Conserved Site

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B, C	OPM	Transmembrane	Alpha-helical polytopic	APC (Amino acid-Polyamine-organoCation) superfamily	Betaine/carnitine/choline transporters

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

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

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

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

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B, C	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Betaine/Choline/Carnitine Transporter (BCCT) Family	CaiT carnitine transporter

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.