PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11156691-4 2001 The metabolism of 17 beta-estradiol by CYP1B1 forms 4-hydroxyestradiol, a product believed to be important in estrogen-induced carcinogenesis. 4-hydroxyestradiol 52-70 cytochrome P450 family 1 subfamily B member 1 Homo sapiens 39-45