Inhibitors | Comment | Organism | Structure |
---|---|---|---|
Mg2+ | strong inhibition of oxidation of 3alpha-hydroxysteroids | Digitalis lanata |
Localization | Comment | Organism | GeneOntology No. | Textmining |
---|---|---|---|---|
cytosol | NADPH as cofactor | Digitalis lanata | 5829 | - |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
5beta-pregnan-3,20-dione + NAD(P)H | Digitalis lanata | 3alpha-hydroxysteroid-5beta-oxidoreductase activity | 3alpha-hydroxy-5beta-pregnan-20-one + NAD(P)+ | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Digitalis lanata | - |
floxglove, NADH-linked 5beta-dihydroprogesterone 3alpha-hydroxysteroid oxidoreductase activity | - |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
cell suspension culture | low activity | Digitalis lanata | - |
leaf | low activity in young leaves | Digitalis lanata | - |
shoot | culture | Digitalis lanata | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
1.56 | - |
substrate 5beta-dihydroprogesterone, young leaves | Digitalis lanata |
869.8 | - |
substrate 5beta-dihydroprogesterone, green shoot culture | Digitalis lanata |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
3alpha-hydroxy-5beta-pregnan-20-one + NADP+ | inhibition by Mg2+ only in oxidative direction | Digitalis lanata | 5beta-pregnan-3,20-dione + NADPH | - |
r | |
5beta-pregnan-3,20-dione + NAD(P)H | 3alpha-hydroxysteroid-5beta-oxidoreductase activity | Digitalis lanata | 3alpha-hydroxy-5beta-pregnan-20-one + NAD(P)+ | - |
? | |
5beta-pregnan-3,20-dione + NAD(P)H | 3alpha-hydroxysteroid-5beta-oxidoreductase activity | Digitalis lanata | 3alpha-hydroxy-5beta-pregnan-20-one + NAD(P)+ | - |
r |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
42 | - |
assay at | Digitalis lanata |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
NADPH | - |
Digitalis lanata |