This enzyme belongs to the family of oxidoreductases, specifically those acting on the CH-OH group of donor with NAD+ or NADP+ as acceptor, more specifically it is part of the group of hydroxysteroid dehydrogenases. The systematic name of this enzyme class is 3alpha-hydroxysteroid:NAD(P)+ oxidoreductase (A-specific).
3β-Hydroxysteroid dehydrogenase/Δ5-4 isomerase (3β-HSD) is an enzyme that catalyzes the biosynthesis of the steroid progesterone from pregnenolone, 17α-hydroxyprogesterone from 17α-hydroxypregnenolone, and androstenedione from dehydroepiandrosterone (DHEA) in the adrenal gland. It is the only enzyme in the adrenal pathway of corticosteroid synthesis that is not a member of the cytochrome P450 family. It is also present in other steroid-producing tissues, including the ovary, testis and placenta. In humans, there are two 3β-HSD isozymes encoded by the HSD3B1 and HSD3B2 genes.
In enzymology, an estradiol 17beta-dehydrogenase (EC 1.1.1.62) is an enzyme that catalyzes the chemical reaction
In enzymology, an indanol dehydrogenase (EC 1.1.1.112) is an enzyme that catalyzes the chemical reaction
In enzymology, a sterol-4alpha-carboxylate 3-dehydrogenase (decarboxylating) (EC 1.1.1.170) is an enzyme that catalyzes the chemical reaction
In enzymology, a testosterone 17beta-dehydrogenase is an enzyme that catalyzes the chemical reaction between testosterone and androst-4-ene-3,17-dione. This enzyme belongs to the family of oxidoreductases, specifically those acting on the CH-OH group of donor with NAD+ or NADP+ as acceptor.
In enzymology, a 12alpha-hydroxysteroid dehydrogenase (EC 1.1.1.176) is an enzyme that catalyzes the chemical reaction
In enzymology, a 12beta-hydroxysteroid dehydrogenase (EC 1.1.1.238) is an enzyme that catalyzes the chemical reaction
In enzymology, a 16alpha-hydroxysteroid dehydrogenase (EC 1.1.1.147) is an enzyme that catalyzes the chemical reaction
In enzymology, a 21-hydroxysteroid dehydrogenase (NADP+) (EC 1.1.1.151) is an enzyme that catalyzes the chemical reaction
In enzymology, a 3alpha(17beta)-hydroxysteroid dehydrogenase (NAD+) (EC 1.1.1.239) is an enzyme that catalyzes the chemical reaction:
In enzymology, a 3alpha-hydroxy-5beta-androstane-17-one 3alpha-dehydrogenase (EC 1.1.1.152) is an enzyme that catalyzes the chemical reaction
In enzymology, a 3alpha-hydroxyglycyrrhetinate dehydrogenase (EC 1.1.1.230) is an enzyme that catalyzes the chemical reaction
In enzymology, a 3alpha-hydroxysteroid dehydrogenase (B-specific) (EC 1.1.1.50) is an enzyme that catalyzes the chemical reaction
In enzymology, a 3alpha(or 20beta)-hydroxysteroid dehydrogenase (EC 1.1.1.53) is an enzyme that catalyzes the chemical reaction
In enzymology, a 3β-hydroxy-5α-steroid dehydrogenase (EC 1.1.1.278) is an enzyme that catalyzes the chemical reaction
In enzymology, a 3beta-hydroxy-5beta-steroid dehydrogenase (EC 1.1.1.277) is an enzyme that catalyzes the chemical reaction
In enzymology, a 7alpha-hydroxysteroid dehydrogenase (EC 1.1.1.159) is an enzyme that catalyzes the chemical reaction
In enzymology, a cholestenone 5alpha-reductase (EC 1.3.1.22) is an enzyme that catalyzes the chemical reaction
In enzymology, a progesterone 5alpha-reductase (EC 1.3.1.22) is an enzyme that catalyzes the chemical reaction
3(or 17)alpha-hydroxysteroid dehydrogenase (EC 1.1.1.209, 3(17)alpha-hydroxysteroid dehydrogenase) is an enzyme with systematic name 3(or 17)alpha-hydroxysteroid:NAD(P)+ oxidoreductase. This enzyme catalyses the chemical reaction
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