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1.1.1.239: 3alpha(17beta)-hydroxysteroid dehydrogenase (NAD+)

This is an abbreviated version!
For detailed information about 3alpha(17beta)-hydroxysteroid dehydrogenase (NAD+), go to the full flat file.

Word Map on EC 1.1.1.239

Reaction

testosterone
+
NAD+
=
androst-4-ene-3,17-dione
+
NADH
+
H+

Synonyms

17-ketoreductase, 17beta-HSD, 17beta-hydroxysteroid dehydrogenase type 5, 3,17beta-HSD, 3,17beta-hydroxysteroid dehydrogenase, 3alpha(17beta)-HSD, 3alpha(17beta)-hydroxysteroid dehydrogenase, AKR1C26, AKR1C27, AKR1C28, AKR1C3, AKR1C34, aldo-keto reductase 1C3, dehydrogenase, 3alpha,17beta-hydroxy steroid, EC 1.1.1.63, More, NAD+-dependent 3alpha(17beta)-hydroxysteroid dehydrogenase, NAD+-dependent 3beta(17beta)-hydroxysteroid dehydrogenase, NAD+-linked S-tetralol dehydrogenase, PGER6, type 2 3alpha-HSD, type 2 3alpha-hxdroxysteroid dehydrogenase/type 5 17beta-hydroxysteroid dehydrogenase, type 2 3alppha-hydroxysteroid dehydrogenase/type 5 17beta-hydroxysteroid dehydrogenase, type 3 17beta-hydroxysteroid dehydrogenase, type 5 17beta-HSD, type 5 17beta-hydroxysteroid dehydrogenase, type 5 17beta-hydroxysteroid dehydrogenase/prostaglandin F synthase, type 5 beta-hydroxysteroid dehydrogenase

ECTree

     1 Oxidoreductases
         1.1 Acting on the CH-OH group of donors
             1.1.1 With NAD+ or NADP+ as acceptor
                1.1.1.239 3alpha(17beta)-hydroxysteroid dehydrogenase (NAD+)

Storage Stability

Storage Stability on EC 1.1.1.239 - 3alpha(17beta)-hydroxysteroid dehydrogenase (NAD+)

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STORAGE STABILITY
ORGANISM
UNIPROT
LITERATURE
-20°C, 20 mM potassium phosphate, 50% glycerol, 1 mM dithiotreitol, 1 mM EDTA, pH 7.5, 1 year, no loss in activity
-
-80°C, 30 mM Tris-HCl, pH 8.4, 1 mM EDTA, 1 mM dithiothreitol, several months, no loss of activity
-
4°C, 10 mM Tris/HCl buffer, pH 8.0, 5 mM 2-mercaptoethanol, 0.5 mM EDTA
-
4°C, 50 mM Tris-HCl, pH 9.0, 20% glycerol, 100 mM KCl, 5 mg/ml N-octyl glucoside, 24 h, 20% loss of activity, -20°C, 1 week, no loss of activity
-
4°C-6°C, 60 mM sodium diphosphate, pH 9.5, a few days, no loss in activity
-