Solute carrier organic anion transporter family member 1A3 (Slco1a3)

Mediates the Na(+)-independent transport of organic anions like methotrexate, taurocholate, folate and prostaglandin E2. May contribute to renal secretion or reabsorption of hydrophobic anionic compounds.

Mediates renal clearance of methotrexate in the blood. .