PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15821041-6 2005 In addition, the steady-state brain-to-plasma concentration ratio of fexofenadine was approximately 3-fold higher in Mdr1a/1b P-gp knockout mice than in wild-type mice. fexofenadine 69-81 ATP-binding cassette, sub-family B (MDR/TAP), member 1A Mus musculus 117-122