6HCO Cryo-EM structure of the ABCG2 E211Q mutant bound to estrone 3-sulfate and 5D3-Fab Homo sapiens (Human), Mus musculus (House Mouse) 7OJ8 ABCG2 E1S turnover-2 state Homo sapiens (Human) 8HND Cryo-EM structure of human OATP1B1 in complex with estrone-3-sulfate Homo sapiens (human) 8PHW Human OATP1B1 Homo sapiens, Homo sapiens (human)