PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 22333292-0 2012 Characterization of ursodeoxycholic and norursodeoxycholic acid as substrates of the hepatic uptake transporters OATP1B1, OATP1B3, OATP2B1 and NTCP. ursodeoxycholic 20-35 solute carrier organic anion transporter family member 2B1 Homo sapiens 131-138