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1.1.1.270: 3beta-hydroxysteroid 3-dehydrogenase

This is an abbreviated version!
For detailed information about 3beta-hydroxysteroid 3-dehydrogenase, go to the full flat file.

Word Map on EC 1.1.1.270

Reaction

a 3beta-hydroxysteroid
+
NADP+
=
a 3-oxosteroid
+
NADPH
+
H+

Synonyms

17beta-HSD7, 17beta-hydroxysteroid dehydrogenase type 7, 3-keto reducing enzyme, 3-keto reductase, 3-keto-reductase, 3-ketoreductase, 3-ketosteroid reductase, 3-KSR, 3-oxo steroid reductase, 3-oxosteroid reductase, 3beta-HSD, 3beta-HSD1, 3beta-HSD2, 3beta-HSDH, 3beta-hydroxysteroid dehydrogenase, 3beta-hydroxysteroid dehydrogenase type 1, 3beta-hydroxysteroid dehydrogenase/Delta 5->4-isomerase type 1, 3beta-hydroxysteroid dehydrogenase/Delta 5->4-isomerase type 2, 3beta-hydroxysteroid dehydrogenase/isomerase, AKR1C1, AKR1C2, AKR1Cs, aldo-keto reductase 1C2, CDD59473, Erg27, Erg27p, Hsd17, HSD17B7, HSD3B1, reductase, 3-oxo steroid, reductive 3beta-HSD, SDR11E1, SDR11E2, steroid-3-ketoreductase, sterol 3-ketoreductase, sterone-reducing enzyme, type 3 3alpha-hydroxysteroid dehydrogenase

ECTree

     1 Oxidoreductases
         1.1 Acting on the CH-OH group of donors
             1.1.1 With NAD+ or NADP+ as acceptor
                1.1.1.270 3beta-hydroxysteroid 3-dehydrogenase

KM Value

KM Value on EC 1.1.1.270 - 3beta-hydroxysteroid 3-dehydrogenase

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KM VALUE [mM]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
0.0043
17beta-hydroxy-5alpha-androstan-3-one
pH 7.0, 37°C, spectrophotometric analysis, formation of 3beta-androstanediol or 3alpha-androstanediol
0.085
24-methylenecycloartanone
-
-
0.162
24-methylenelophenone
-
-
0.47
3-oxodeoxycholic acid
coenzyme: NADPH, pH 6.5, temperature not specified in the publication
-
0.078 - 0.236
4alpha-methyl-5alpha-cholest-7-en-3-one
0.0035 - 0.039
5beta-dihydrotestosterone
0.0023 - 0.05
5beta-pregnane-21-ol-3,20-dione
0.22
cholestanone
-
-
0.067
cycloartenone
-
-
0.22
cycloeucalenone
-
-
0.1
cyclolaudenone
-
-
0.0037 - 0.0124
dehydroepiandrosterone
0.42
DELTA7-cholestenone
-
-
0.245
DELTA7-chondrillastenone
-
-
0.283
isodeoxycholic acid
coenzyme: NADP+, pH 9.5, temperature not specified in the publication
-
0.18 - 0.253
methylglyoxal
0.0205 - 0.0341
NAD+
0.00012 - 0.004
NADPH
0.26
obtusifolione
-
-
0.011 - 0.048
Pyridine-3-aldehyde