SLC66 Lysosomal amino acid transporters in GtoPdb v.2023.1
Abstract
This is a family of 5 evolutionarily related proteins. Their structural similarities suggest that they are transporters. Biochemical evidence supports transporter activity for SLC66A1 (LAAT1) and SLC66A4 (CTNS; Cystinosin), primarily exporting amino acids from the lysosome to the cytoplasm. The functions of the 3 remaining members of the family are undetermined.
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