Solute carrier family 52, riboflavin transporter, member 3 (Slc52a3)

Transporter for riboflavin, which must be obtained as a nutritional supplement through intestinal absorption. Riboflavin transportation is Na(+)- independent at low pH but significantly reduced by Na(+) depletion under neutral pH conditions.

Activity is strongly inhibited by riboflavin analogs, such as lumiflavin, flavin mononucleotide (FMN), flavin adenine dinucleotide (FAD), by methylene blue, and to a lesser extent by amiloride (By similarity). .