Biology:Testosterone 17b-dehydrogenase (NADP+)

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Testosterone 17beta-dehydrogenase (NADP+)
Identifiers
EC number1.1.1.64
CAS number9028-63-1
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum

Testosterone 17beta-dehydrogenase (NADP+) (EC 1.1.1.64, 17-ketoreductase, NADP-dependent testosterone-17beta-oxidoreductase, testosterone 17beta-dehydrogenase (NADP)) is an enzyme with systematic name 17beta-hydroxysteroid:NADP+ 17-oxidoreductase.[1][2][3] This enzyme catalyses the following chemical reaction

testosterone + NADP+ [math]\displaystyle{ \rightleftharpoons }[/math] androstenedione + NADPH + H+

Also oxidizes 3-hydroxyhexobarbital to 3-oxohexobarbital.

References

  1. "Separation of a triphosphopyridine nucleotide-specific from a diphosphopyridine nucleotide-specific 17 beta-hydroxy-(testosterone) dehydrogenase of guinea pig liver". The Journal of Biological Chemistry 235: 2792–6. October 1960. PMID 13696735. 
  2. "Preparation and characterization of the enzyme which converts testosterone to androstenedione". The Journal of Biological Chemistry 185 (1): 75–84. July 1950. PMID 15436478. 
  3. "Some properties of the pyridine nucleotide-specific 17 beta-hydroxy steroid dehydrogenases of guinea pig liver". The Journal of Biological Chemistry 235: 3615–9. December 1960. PMID 13781425. 

External links