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3-Oxo-5-alpha-Steroid 4-Dehydrogenase MeSH Descriptor Data 2025


MeSH Heading
3-Oxo-5-alpha-Steroid 4-Dehydrogenase
Tree Number(s)
D08.811.682.660.465
Unique ID
D013741
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D013741
Scope Note
An enzyme that catalyzes the reduction of TESTOSTERONE to 5-ALPHA DIHYDROTESTOSTERONE.
Entry Term(s)
3-Keto-5-alpha-Steroid delta-4-Dehydrogenase
3-oxo-5 alpha-Steroid 4-Dehydrogenase (NADP+)
3-oxo-5alpha-Steroid 4-Dehydrogenase (NADP+)
4-Ene-3-Oxosteroid-5alpha-Reductase
4-Ene-5-alpha-Reductase
5-alpha-Reductase, Testosterone
NADH-5-alpha-Reductase
NADPH delta(4)-3-Ketosteroid 5 alpha-Oxidoreductase
Steroid 5-alpha-Reductase
Steroid 5Alpha Reductase
Steroid delta-4-5-alpha Reductase
Testosterone 5-alpha-Reductase
Testosterone delta-4-5-alpha-Reductase
delta 4-3-keto Steroid 5 alpha-Oxidoreductase
delta(4)-3-Ketosteroid-5alpha-Reductase
delta4-3-ketosteroid 5alpha-Oxidoreductase
Registry Numbers
EC 1.3.99.5
CAS Type 1 Name
3-Oxo-5 alpha-steroid:(acceptor) delta(4)-oxidoreductase
Previous Indexing
Oxidoreductases (1972-1974)
Testosterone (1972-1974)
Public MeSH Note
2010; see TESTOSTERONE 5-ALPHA REDUCTASE 1986-2010, see OXIDOREDUCTASES 1975-1985
History Note
2010(1975)
Entry Combination
antagonists & inhibitors:5-alpha Reductase Inhibitors
Date Established
1986/01/01
Date of Entry
1974/11/19
Revision Date
2014/11/21
3-Oxo-5-alpha-Steroid 4-Dehydrogenase Preferred
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