2310021C19Rik mPgt genetic mapping Pgt Slco2a1 http://identifiers.org/mgd/MGI:1346021 + Slc21a2 2310021C19Rik|Pgt|Slc21a2|mPgt O protein coding gene solute carrier organic anion transporter family, member 2a1 MGI:1346021 Gene