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

Specific Activity

Specific Activity on EC 1.1.1.145 - 3beta-hydroxy-DELTA5-steroid dehydrogenase

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SPECIFIC ACTIVITY [µmol/min/mg]
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
0.0033
-
7alpha,25-dihydroxycholesterol as substrate
0.0041
-
-
0.0043
-
mitochondria
0.0062
-
wild type, microsomes
0.0091
-
placental microsomes, 3beta-HSD activity
0.0099
-
wild type, mitochondria
0.0145
-
Sf9-cells, 3beta-HSD activity
0.0158
-
microsomes
0.0172
-
placental microsomes, isomerase activity
0.0225
-
283-310 deletion, cytosol
0.0257
-
Sf9-cells, isomerase activity
0.0524
-
-
0.155
-
-
0.175
-
3beta,7alpha-dihydroxy-5-cholestenoic acid as substrate
0.19
-
purification step D
0.677
-
-
0.838
-
7alpha,27-dihydroxycholesterol as substrate
1.489
-
7alpha-hydroxycholesterol as substrate
2.88
-
-
88.9
-
; purified enzyme
additional information