PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8477648-4 1993 In the current study, we present data which demonstrate that transiently expressed 3 beta HSD I and 3 beta HSD III proteins can catalyze the conversion of the delta 5-steroids, pregnenolone and dehydroepiandrosterone, to their respective delta 4-3-ketosteroids, progesterone and androstenedione. Progesterone 262-274 hydroxy-delta-5-steroid dehydrogenase, 3 beta- and steroid delta-isomerase 3 Mus musculus 100-114