PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
2494942-2	1989	A unique regioselectivity difference between cytochromes P450b and P450e for the metabolism of 7,12-dimethylbenz[a]anthracene (DMBA) and a genetic deficiency in P450e expression in the Marshall (M520/N) rat strain have been exploited to determine the microsomal contributions of the respective forms toward the metabolism of DMBA.	anthracene	115-125	cytochrome P450, family 2, subfamily b, polypeptide 1	Rattus norvegicus	57-62