PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17156750-4 2007 Both CYP2E1 and CYP2A6 displayed full isotope effect expression for o-xylene oxidation and almost complete suppression for dimethylbiphenyl. 2-xylene 68-76 cytochrome P450 family 2 subfamily A member 6 Homo sapiens 16-22