PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12693981-4 2003 Highly purified cytochromes P45017alpha were used for determination of enzyme activity and specificity in relation to progesterone, pregnenolone, 17alpha-hydroxyprogesterone, and 17alpha-hydroxypregnenolone with registration of the kinetics of reaction product formation using HPLC. Progesterone 118-130 cytochrome P450, family 17, subfamily a, polypeptide 1 Rattus norvegicus 28-39