PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9155155-4 1997 The other subclass, MDR3, which does not show the multidrug resistance, translocates phosphatidyl choline selectively into the outer leaflet of the liver canalicular membrane, and may protect the liver from the detergent effect of bile acids. Phosphatidylcholines 85-105 ATP binding cassette subfamily B member 4 Homo sapiens 20-24