Citrin is an alias for the gene, Solute carrier family 25 (aspartate/glutamate carrier), member 13, in humans. Other names include: Calcium-binding mitochondrial carrier protein Aralar2; Mitochondrial aspartate glutamate carrier 2; Solute carrier family 25 member 13; ARALAR2; CTLN2. The encoded protein has an amino acid length of 675 and a mass of 74.2 kDa. Citrin is a member of the Mitochondrial carrier (TC 2.A.29) family. This gene shares homology with other species, including: Mouse, Rat, Zebrafish, Frog, Chicken.