PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10398719-4 1999 The results of these studies indicate the early operating steps of BR biosynthesis as: campesterol --> 4-en-3beta-ol --> 4-en-3-one --> 3-one --> campestanol in Arabidopsis, with det2 deficient in the conversion of 4-en-3-one to 3-one. Testosterone 127-137 3-oxo-5-alpha-steroid 4-dehydrogenase family protein Arabidopsis thaliana 191-195