Organic Anion TransportersOrganic Anion Transport Polypeptide COrganic Anion Transporters, Sodium-IndependentOrganic Anion Transport Protein 1p-Aminohippuric AcidAnion Transport ProteinsAnionsProbenecidUricosuric AgentsBiological TransportEstroneSulfobromophthaleinOrganic Cation Transport ProteinsOrganic Anion Transporters, Sodium-DependentOchratoxinsMultidrug Resistance-Associated ProteinsOrganic Anion Transporters, ATP-DependentCarrier ProteinsATP-Binding Cassette TransportersKidneyGlutaratesTaurocholic AcidMembrane Transport ProteinsKidney Tubules, ProximalDicarboxylic AcidsXenopus laevisDicarboxylic Acid TransportersRNA, ComplementaryUnithiolBile Canaliculi