Nomenclature	OATP2A1	OATP2B1	OATP3A1	OATP4A1	OATP4C1
Systematic nomenclature	SLCO2A1	SLCO2B1	SLCO3A1	SLCO4A1	SLCO4C1
HGNC, UniProt	SLCO2A1, Q92959	SLCO2B1, O94956	SLCO3A1, Q9UIG8	SLCO4A1, Q96BD0	SLCO4C1, Q6ZQN7
Substrates	synthetic prostaglandin derivatives	amiodarone, bromsulphthalein, statins, glibenclamide, aliskiren, fexofenadine, talinolol, bosentan, telmisartan	–	penicillin G	dipeptidyl peptidase‐4 inhibitors, anticancer drugs, cardiac glycosides
Endogenous substrates	prostaglandins, eicosanoids	estrone‐3‐sulphate, dehydroepiandrosterone sulphate, T4	BQ123, vasopressin (AVP, P01185), thyroid hormones, prostaglandins	thyroid hormones, prostaglandins, bile acids, steroid conjugates	thyroid hormones, cyclic AMP, steroid conjugates
Inhibitors	bromocresol green (Inhibition of PGF2α uptake in PGT‐expressing HeLa cells) (pK i 5.4) [263] – Rat, bromsulphthalein (Inhibition of PGF2α uptake in PGT‐expressing HeLa cells) (pK i 5.2) [263] – Rat	gemfibrozil, glibenclamide, rifamycin SV	–	–	–
Labelled ligands	[3H]PGE2 (Binding) [78]	[3H]BSP, [3H]estrone‐3‐sulphate	[3H]PGE2, [3H]estrone‐3‐sulphate	[3H]estrone‐3‐sulphate	[3H]digoxin
Comments	Other inhibitors include NSAIDs	Other inhibitors include glitazones and citrus juices	–	–	–