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 modified amino acid metabolic process metabolic process cellular process amino-acid betaine metabolic process quaternary ammonium group transport 4-(trimethylammonio)butanoate transport localization nitrogen compound transport transport modified amino acid transport establishment of localization organic cation transport amino-acid betaine transport carnitine metabolic process modified amino acid metabolic process metabolic process cellular process amino-acid betaine metabolic process quaternary ammonium group transport 4-(trimethylammonio)butanoate transport localization nitrogen compound transport transport modified amino acid transport establishment of localization organic cation transport amino-acid betaine transport carnitine transport	cell periphery cellular anatomical structure plasma membrane membrane

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 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.