3-oxo-Delta(4,5)-steroid 5-beta-reductase
UniProtKB accession: Q6PQJ9
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Go to UniProtKB: Q6PQJ9
UniProtKB description: Involved in cardenolide biosynthesis. Catalyzes the stereospecific conversion of progesterone to 5-beta-pregnane-3,20-dione. Can use progesterone, testosterone, 4-androstene-3,17-dione, cortisol and cortisone as substrates, but not pregnenolone, 21-OH-pregnenolone or isoprogesterone. NADPH could not be replaced by NADH.
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