function:Involved in a pH-dependent electrogenic neuronal transport and sequestration of small amino acids amino acids such as glycine, alanine and proline. Inhibited by sarcosine.,similarity:Belongs to the amino acid/polyamine transporter 2 family.,tissue specificity:Abundantly expressed in kidney and muscle.,
Cell membrane ; Multi-pass membrane protein . Endoplasmic reticulum membrane . Recycling endosome membrane .
Abundantly expressed in kidney and muscle. Expressed in the S1 segment of the proximal tubule close to the glomerulus.