3-oxo-5alpha-steroid 4-dehydrogenase (NADP+) activity

Term ID

GO:0047751

Synonyms

• 3-oxosteroid 5alpha-reductase activity
• 3-oxosteroid delta4-dehydrogenase
• 5alpha-reductase
• cholestenone 5-alpha-reductase activity
• cholestenone 5a-reductase activity
• cholestenone 5alpha-reductase activity
• progesterone 5-alpha-reductase activity
• steroid 5alpha-hydrogenase activity
• steroid 5alpha-reductase
• sterol 5-alpha reductase activity
• testosterone 5alpha-reductase
• testosterone delta4-hydrogenase activity

Definition

Catalysis of the reaction: 3-oxo-5alpha-steroid + NADP+ = a 3-oxo-delta(4)-steroid + H+ + NADPH.

References

• EC:1.3.1.22
• KEGG_REACTION:R02610
• MetaCyc:1.3.99.5-RXN
• RHEA:54384

Ontology

GO: Molecular Function    QuickGO    AmiGO