1.1.1.145: 3beta-hydroxy-DELTA5-steroid dehydrogenase

This is an abbreviated version, for detailed information about 3beta-hydroxy-DELTA5-steroid dehydrogenase, go to the full flat file.

Reaction

a 3beta-hydroxy-DELTA5-steroid
+
NAD+
=
a 3-oxo-DELTA5-steroid
+
NADH
+
H+

Synonyms

3-beta-hydroxy-5-ene steroid dehydrogenase, 3-beta-hydroxy-delta(5)-steroid dehydrogenase, 3beta hydroxysteroid dehydrogenase, 3beta-HSD, 3beta-HSD type II, 3beta-HSD1, 3beta-HSD2, 3beta-HSD22, 3beta-HSDH, 3beta-HSD_1, 3beta-hydroxy steroid dehydrogenase/5-ene-4-ene isomerase, 3beta-hydroxy steroid dehydrogenase/isomerase, 3beta-hydroxy-5-ene steroid dehydrogenase, 3beta-hydroxy-5-ene-steroid dehydrogenase, 3beta-hydroxy-5-ene-steroid oxidoreductase, 3beta-hydroxy-DELTA5-C27-steroid dehydrogenase/isomerase, 3beta-hydroxy-DELTA5-C27-steroid oxidoreductase, 3beta-hydroxysteroid dehydrogenase, 3beta-hydroxysteroid dehydrogenase 1, 3beta-hydroxysteroid dehydrogenase type 1, 3beta-hydroxysteroid dehydrogenase type 2, 3beta-hydroxysteroid dehydrogenase type II, 3beta-hydroxysteroid dehydrogenase type1, 3beta-hydroxysteroid dehydrogenase/DELTA5-DELAT4 isomerase type 2, 3beta-hydroxysteroid dehydrogenase/DELTA5-DELTA4 isomerase, 3beta-hydroxysteroid dehydrogenase/DELTA5-DELTA4-isomerase, 3beta-hydroxysteroid dehydrogenase/DELTA5-DELTA4-isomerase type II, 3beta-hydroxysteroid dehydrogenase/isomerase, 3beta-hydroxysteroid dehydrogenase/isomerase type 1, 3betaHSD, 3betaHSD1, 3betaHSD2, 5-ene-3-beta-hydroxysteroid dehydrogenase, 5alpha-dihydrotestosterone 3beta-hydroxysteroid dehydrogenase, dehydrogenase, 3beta-hydroxy-DELTA5-steroid, DELTA5-3beta-hydroxysteroid dehydrogenase, DHRS4, HSD3B, HSD3B2, HSDB1, More, progesterone reductase, steroid-DELTA5-3beta-ol dehydrogenase, type 1 3beta-hydroxysteroid dehydrogenase, type 1 3beta-hydroxysteroid dehydrogenase/isomerase, type 2 3beta-hydroxysteroid dehydrogenase, type 2 3beta-hydroxysteroid dehydrogenase/isomerase

ECTree

     1 Oxidoreductases
         1.1 Acting on the CH-OH group of donors
             1.1.1 With NAD+ or NADP+ as acceptor
                1.1.1.145 3beta-hydroxy-DELTA5-steroid dehydrogenase

General Information

General Information on EC 1.1.1.145 - 3beta-hydroxy-DELTA5-steroid dehydrogenase

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GENERAL INFORMATION
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
physiological function
-
isoform 3betaHSD2 associates with the inner mitochondrial membrane but does not integrate into the membrane. 3betaHSD2 forms a transient association with the translocases Tim50 and Tom22 and with Tim23. This association occurs primarily through the interaction of Tim50 with the N-terminus of 3betaHSD2 and contributes to enzymatic activity. Tim50 knockdown inhibits catalysis of dehydroepiandrostenedione to androstenedione and pregnenolone to progesterone. Although Tim50 knockdown decreases 3betaHSD2 expression, restoration of expression via proteasome and protease inhibition does not rescue activity