PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15826951-1 2005 BSEP, MDR1, and MDR2 ATP binding cassette transporters are targeted to the apical (canalicular) membrane of hepatocytes, where they mediate ATP-dependent secretion of bile acids, drugs, and phospholipids, respectively. Phospholipids 190-203 ATP binding cassette subfamily B member 4 Rattus norvegicus 16-20