Entrez Summary: Polyspecific organic cation transporters in the liver, kidney, intestine, and other organs are critical for elimination of many endogenous small organic cations as well as a wide array of drugs and environmental toxins. The encoded protein is an organic cation transporter and plasma integral membrane protein containing eleven putative transmembrane domains as well as a nucleotide-binding site motif. Transport by this protein is at least partially ATP-dependent. [provided by RefSeq, Jul 2008].
UniProt Summary: Sodium-ion dependent, low affinity carnitine transporter. Probably transports one sodium ion with one molecule of carnitine. Also transports organic cations such as tetraethylammonium (TEA) without the involvement of sodium. Relative uptake activity ratio of carnitine to TEA is 1.78. A key substrate of this transporter seems to be ergothioneine (ET). {ECO:0000269|PubMed:10215651, ECO:0000269|PubMed:15795384}.
Pfam DomainsGO Terms
Pfam Domains
MFS 1
Sugar tr
GO Terms
cation:cation antiporter activity
secondary active organic cation transmembrane transporter activity
carnitine transmembrane transport
carnitine transmembrane transporter activity
quaternary ammonium group transmembrane transporter activity
carnitine transport
amino-acid betaine transport
quaternary ammonium group transport
carnitine metabolic process
ammonium transmembrane transport
amino-acid betaine metabolic process
modified amino acid transport
organic cation transport
symporter activity
ammonium transport
nucleotide binding
body fluid secretion
triglyceride metabolic process
PDZ domain binding
acylglycerol metabolic process
neutral lipid metabolic process
sodium ion transport
ammonium ion metabolic process
cellular modified amino acid metabolic process
apical plasma membrane
glycerolipid metabolic process
monovalent inorganic cation transport
regulation of body fluid levels
cation transmembrane transport
metal ion transport
cation transport
ion transmembrane transport
cellular lipid metabolic process
secretion
lipid metabolic process
mitochondrion
transmembrane transport
ion transport
integral component of plasma membrane
ATP binding
nitrogen compound transport
CRISPR Data
Compound HitMost Correlated Genes in ChemogenomicsTissues where Essential in the Avana Dataset (DepMap 20Q1)