EC - 3-oxo-5β-steroid 4-dehydrogenase

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IntEnz Enzyme Nomenclature


Accepted name:
3-oxo-5β-steroid 4-dehydrogenase
Other names:
Δ4-3-ketosteroid 5-β-reductase
3-oxo-5β-steroid:(acceptor) Δ4-oxidoreductase
Systematic name:
3-oxo-5β-steroid:acceptor Δ4-oxidoreductase


Links to other databases

Enzymes and pathways: NC-IUBMB , BRENDA , ExplorEnz , ENZYME@ExPASy , KEGG , MetaCyc , UniPathway
Protein domains and families: PROSITE:PDOC00061
Structural data: CSA , EC2PDB
Gene Ontology: GO:0047568
CAS Registry Number: 9067-97-4


  1. Davidson, S.J. and Talalay, P.
    Purification and mechanism of action of a steroid Δ4-5β-dehydrogenase.
    J. Biol. Chem. 241: 906-915 (1966). [PMID: 5907467]

[EC created 1972]