1.1.1.64: testosterone 17beta-dehydrogenase (NADP+)

This is an abbreviated version, for detailed information about testosterone 17beta-dehydrogenase (NADP+), go to the full flat file.

Reaction

testosterone
+
NADP+
=
androstenedione
+
NADPH
+
H+

Synonyms

17-ketoreductase, 17beta-HSD, 17beta-HSD 3, 17beta-HSD type 3, 17beta-HSD type 5, 17beta-HSD-3, 17beta-HSD1, 17beta-HSD3, 17beta-HSD4, 17beta-hydroxysteroid dehydrogenase, 17beta-hydroxysteroid dehydrogenase 3, 17beta-hydroxysteroid dehydrogenase type 3, 17beta-hydroxysteroid dehydrogenase type 5, 17beta-hydroxysteroid dehydrogenases type 3, 17betaHSD3, 3beta-hydroxysteroid dehydrogenase type 3, AKR1C3, More, NADP-dependent testosterone-17beta-oxidoreductase, type 3 17beta-HSD, type 3 17beta-hydroxysteroid dehydrogenase, 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
                1.1.1.64 testosterone 17beta-dehydrogenase (NADP+)

Engineering

Engineering on EC 1.1.1.64 - testosterone 17beta-dehydrogenase (NADP+)

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ENGINEERING
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
A203V
-
inactive enzyme
E215D
-
inactive enzyme
F208I
-
inactive enzyme
M235V
-
inactive enzyme
P282L
-
inactive enzyme
R80I
-
mutant enzyme shows negligible conversion of androst-4-ene-3,17-dione to testosterone. The Km-value for androstenedione is 80fold higher than the KM-value for the wild-type enzyme
R80K
-
conversion of androst-4-ene-3,17-dione to testosterone is reduced as compared to wild-type enzyme. The Km-value for androstenedione is 3.5fold higher than the KM-value for the wild-type enzyme
R80L
-
conversion of androst-4-ene-3,17-dione to testosterone is strongly reduced as compared to wild-type enzyme. The Km-value for androstenedione is 21.6fold higher than the KM-value for the wild-type enzyme
R80M
-
mutant enzyme shows negligible conversion of androst-4-ene-3,17-dione to testosterone. The Km-value for androstenedione is 90.7fold higher than the KM-value for the wild-type enzyme
R80Y
-
mutant enzyme shows negligible conversion of androst-4-ene-3,17-dione to testosterone. The Km-value for androstenedione is 85.1fold higher than the KM-value for the wild-type enzyme
S232L
-
inactive enzyme
S65L
-
inactive enzyme
V205E
-
inactive enzyme