encyclopedia of medical concepts
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Progesterone Reductase
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Definition
: An enzyme that catalyzes the reduction of a 3 beta-hydroxy-delta(5)-steroid to 3-oxo-delta(4)-steroid in the presence of NAD. It converts pregnenolone to progesterone and dehydroepiandrosterone to androstenedione. EC 1.1.1.145.
Other names
3 beta-
Hydroxy-
delta-
5-
Steroid Dehydrogenase; Reductase, Progesterone; Dehydrogenase, 5-
Ene-
3 beta-
hydroxysteroid; Dehydrogenase, 3 beta-
Hydroxy-
delta-
5-
Steroid; 5 Ene 3 beta hydroxysteroid Dehydrogenase; 3 beta Hydroxy delta 5 Steroid Dehydrogenase; Steroid delta(5)-
3 beta-
ol Dehydrogenase; 5-
Ene-
3 beta-
hydroxysteroid Dehydrogenase
Substance
CAS Registry & name
Categories
Source
Drugs
*
3 beta-
hydroxysteroid dehydrogenase type II
EC 1.1.1.145
*Progesterone Reductase
Isoenzymes.
3 beta-
hydroxysteroid oxidoreductase-
delta(5) 3-
ketosteroid isomerase
0
*Multienzyme Complexes
*Progesterone Reductase
*Steroid Isomerases.
Cancer 38(1):56;1976; Endocrinology 102(3):665;1978