PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19370547-0 2009 Differential involvement of P-glycoprotein (ABCB1) in permeability, tissue distribution, and antinociceptive activity of methadone, buprenorphine, and diprenorphine: in vitro and in vivo evaluation. Methadone 121-130 ATP-binding cassette, sub-family B (MDR/TAP), member 1B Mus musculus 44-49