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lat2

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Official Full Name
solute carrier family 7 (amino acid transporter light chain, L system), member 8
Background
Sodium-independent, high-affinity transport of small and large neutral amino acids such as alanine, serine, threonine, cysteine, phenylalanine, tyrosine, leucine, arginine and tryptophan, when associated with SLC3A2/4F2hc. Acts as an amino acid exchanger. Has higher affinity for L-phenylalanine than LAT1 but lower affinity for glutamine and serine. L-alanine is transported at physiological concentrations. Plays a role in basolateral (re)absorption of neutral amino acids. Involved in the uptake of methylmercury (MeHg) when administered as the L-cysteine or D,L-homocysteine complexes, and hence plays a role in metal ion homeostasis and toxicity. Involved in the cellular activity of small molecular weight nitrosothiols, via the stereoselective transport of L-nitrosocysteine (L-CNSO) across the transmembrane. Plays an essential role in the reabsorption of neutral amino acids from the epithelial cells to the bloodstream in the kidney.
Synonyms
SLC7A8; solute carrier family 7 (amino acid transporter light chain, L system), member 8; LAT2; LPI-PC1; large neutral amino acids transporter small subunit 2; integral membrane protein E16H; L-type amino acid transporter 2; solute carrier family 7 (amino acid transporter, L-type), member 8; solute carrier family 7 (cationic amino acid transporter, y+ system), member 8; LPI PC1; hLAT2; solute carrier family 7 member 8; 4F2LC-5