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1.3.1.3: DELTA4-3-oxosteroid 5beta-reductase

This is an abbreviated version!
For detailed information about DELTA4-3-oxosteroid 5beta-reductase, go to the full flat file.

Word Map on EC 1.3.1.3

Reaction

17,21-dihydroxy-5beta-pregnane-3,11,20-trione
+
NADP+
=
cortisone
+
NADPH
+
H+

Synonyms

3-oxo-DELTA4-steroid 5beta-reductase, 4,5beta-dihydrocortisone:NADP+ DELTA4-oxidoreductase, 5-beta-reductase, 5beta-POR, 5beta-red, AKR1D1, AKR1D4, aldo-keto reductase, aldo-keto reductase 1D1, aldo–keto reductase 1D1, androstenedione 5beta-reductase, CARUB_v10005016mg, cortisone 5beta-reductase, cortisone beta-reductase, DELTA 4-5beta-reductase, DELTA4-3-ketosteroid 5beta-reductase, DELTA4-3-oxosteroid 5beta-reductase, DELTA4-hydrogenase, EC 1.3.1.23, EC 1.3.1.3, h5beta-red, h5beta-reductase, More, P5betaR, progesterone 5beta-reductase, reductase, cholestenone 5beta.-, reductase, cortisone DELTA4-5beta-, SRD5beta, St5betaR1, steroid 5beta-reductase, steroid 5beta.-reductase, testosterone 5-beta-reductase, testosterone 5beta-reductase

ECTree

     1 Oxidoreductases
         1.3 Acting on the CH-CH group of donors
             1.3.1 With NAD+ or NADP+ as acceptor
                1.3.1.3 DELTA4-3-oxosteroid 5beta-reductase

Turnover Number

Turnover Number on EC 1.3.1.3 - DELTA4-3-oxosteroid 5beta-reductase

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TURNOVER NUMBER [1/s]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
0.035
1,4-androstadien-17beta-ol-3-one
-
pH 6.0, 37°C
0.23 - 1.11
2-cyclohexen-1-one
0.0337 - 0.1
4-androstene-3,17-dione
0.033
4-cholesten-7alpha-ol-3-one
-
pH 6.0, 37°C
0.045
4-estren-17beta-ol-3-one
-
pH 6.0, 37°C
0.0128
7alpha,12alpha-dihydroxy-4-cholesten-3-one
-
-
0.01
7alpha-hydroxy-4-cholesten-3-one
-
-
0.15
aldosterone
-
pH 6.0, 37°C
0.013 - 0.0425
androstenedione
0.01
cholestenone
-
pH 6.0, 37°C
0.032
corticosterone
-
pH 6.0, 37°C
0.00817 - 0.13
cortisol
0.01 - 0.195
cortisone
0.1
Epitestosterone
-
pH 6.0, 37°C
0.00197 - 1.8
progesterone
0.012 - 1.3
testosterone
additional information
additional information
-
-
-