PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16882766-8 2006 Interestingly, a thiomethyl-substituted phenyl diaziridine had no effect on the activity of P450 2B6 in the reconstituted system, but competitively inhibited the O-debenzylation activity of P450 3A4 with 7-benzyloxy-4-(trifluoromethyl)coumarin as substrate. 7-benzyloxy-4-trifluoromethylcoumarin 204-243 cytochrome P450 family 2 subfamily B member 6 Homo sapiens 190-194