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allopregnanolone biosynthesis

State Icon Reaction EC-Number Confidence maximal confidence score from EnzymeDetector
5alpha-pregnane-3beta-ol-20-one + NADP+ <=> H+ + 5alpha-dihydroprogesterone + NADPH 1.1.1.145 3beta-hydroxy-Delta5-steroid dehydrogenase
1.1.1.148 estradiol 17alpha-dehydrogenase
1.1.1.209 3(or 17)alpha-hydroxysteroid dehydrogenase
1.1.1.213 3alpha-hydroxysteroid 3-dehydrogenase (Re-specific)
1.1.1.270 3beta-hydroxysteroid 3-dehydrogenase
1.1.1.278 3beta-hydroxy-5alpha-steroid dehydrogenase
1.1.1.357 3alpha-hydroxysteroid 3-dehydrogenase
1.1.1.50 3alpha-hydroxysteroid 3-dehydrogenase (Si-specific)
1.1.1.51 3(or 17)beta-hydroxysteroid dehydrogenase









5alpha-dihydroprogesterone + NADP+ <=> progesterone + NADPH + H+ 1.3.1.22 3-oxo-5alpha-steroid 4-dehydrogenase (NADP+)
1.3.99.5 3-oxo-5alpha-steroid 4-dehydrogenase (acceptor)


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