PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10543021-9 1999 The microsomal and isolated cell studies indicate that CYP2E1 and CYP2F2 are the primary cytochromes P450 involved in pulmonary styrene metabolism. Styrene 128-135 cytochrome P450, family 2, subfamily f, polypeptide 2 Mus musculus 66-72