5XAR | pdb_00005xar

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	2HCT	e5xarD1	A: alpha complex topology	X: Cation-proton antiporter	H: Sodium-dependent citrate symporter (From Topology)	T: Sodium-dependent citrate symporter	F: 2HCT	ECOD (1.6)
C	2HCT	e5xarC1	A: alpha complex topology	X: Cation-proton antiporter	H: Sodium-dependent citrate symporter (From Topology)	T: Sodium-dependent citrate symporter	F: 2HCT	ECOD (1.6)
B	2HCT	e5xarB1	A: alpha complex topology	X: Cation-proton antiporter	H: Sodium-dependent citrate symporter (From Topology)	T: Sodium-dependent citrate symporter	F: 2HCT	ECOD (1.6)
A	2HCT	e5xarA1	A: alpha complex topology	X: Cation-proton antiporter	H: Sodium-dependent citrate symporter (From Topology)	T: Sodium-dependent citrate symporter	F: 2HCT	ECOD (1.6)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Citrate-sodium symporter	active transmembrane transporter activity transporter activity symporter activity transmembrane transporter activity secondary active transmembrane transporter activity cation binding ion binding binding metal ion binding small molecule binding	tricarboxylic acid metabolic process oxoacid metabolic process carboxylic acid metabolic process small molecule metabolic process metabolic process cellular process organic acid metabolic process citrate metabolic process localization transport monoatomic ion transport monoatomic cation transport establishment of localization sodium ion transport tricarboxylic acid metabolic process oxoacid metabolic process carboxylic acid metabolic process small molecule metabolic process metabolic process cellular process organic acid metabolic process citrate metabolic process localization transport monoatomic ion transport monoatomic cation transport establishment of localization sodium ion transport metal ion transport	cell periphery cellular anatomical structure plasma membrane membrane

Chains	Accession	Name	Type
A, B, C, D	IPR018025	2-hydroxycarboxylate transporter, proteobacteria/firmicutes	Family
A, B, C, D	IPR004679	2-hydroxycarboxylate transporter	Family

Chains	External Link	Type	Class	Superfamily	Family
A, B, C, D	OPM	Transmembrane	Alpha-helical polytopic	Monovalent cation-proton antiporter	2-Hydroxycarboxylate transporter

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

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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.

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