PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2095353-5 1990 Thus, after 3 beta-HSD-catalyzed formation from pregnenolone, progesterone was efficiently converted to 5 alpha-pregnan-3,20-dione (5 alpha-dihydroprogesterone) and subsequent metabolism to the corresponding 17 alpha-hydroxylated derivative and 5 alpha-androstan-3,17-dione in a reaction catalyzed by P-450(17) alpha. 5-alpha-Dihydroprogesterone 132-159 hydroxy-delta-5-steroid dehydrogenase, 3 beta- and steroid delta-isomerase 1 Rattus norvegicus 12-22