PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7747284-5 1995 The ratio between the activities of CYP2E1 and CYP3A4 with respect to the oxidation of chlorinated benzenes decreased from 150 (1,2-dichlorobenzene) to 1.8 (pentachlorobenzene). pentachlorobenzene 157-175 cytochrome P450 family 3 subfamily A member 4 Homo sapiens 47-53