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The chemical equation of the enzyme-catalyzed reaction of 4-androstene-3-17-dione (4A) hormone with 3-oxo-5-β-steroid-4- dehydrogenase enzyme to produce 5β-Androstane-3-17-dione (5A), followed by the production of (+)-6-methyl-5β-androstane-3-17-dione (6M) with a methyl group attached at the C6 position [41].
