PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15635176-6 2005 FK228 disappearance activities in human liver microsomes from 12 individuals strongly correlated (r2=0.957) with testosterone 6beta-hydroxylase activities, a marker enzyme activity of CYP3A4/5, but not with other P450 enzyme-specific activities (CYP1A2, 2A6, 2C8, 2C9, 2C19, 2D6, and 4A). romidepsin 0-5 cytochrome P450 family 3 subfamily A member 4 Homo sapiens 184-190 15635176-7 2005 Among 14 recombinant heterologously expressed human P450s examined, CYP3A4 exhibited the highest activity of FK228 disappearance. romidepsin 109-114 cytochrome P450 family 3 subfamily A member 4 Homo sapiens 68-74 15635176-10 2005 In addition, FK228 disappearance in human liver microsomes was markedly inhibited by ketoconazole, a potent CYP3A4 inhibitor, and an anti-CYP3A4 antibody. romidepsin 13-18 cytochrome P450 family 3 subfamily A member 4 Homo sapiens 108-114 15635176-10 2005 In addition, FK228 disappearance in human liver microsomes was markedly inhibited by ketoconazole, a potent CYP3A4 inhibitor, and an anti-CYP3A4 antibody. romidepsin 13-18 cytochrome P450 family 3 subfamily A member 4 Homo sapiens 138-144 15635176-11 2005 These results indicate that the metabolism of FK228 in human liver microsomes is catalyzed mainly by CYP3A enzymes, particularly CYP3A4. romidepsin 46-51 cytochrome P450 family 3 subfamily A member 4 Homo sapiens 129-135