EC - Cucurbitacin Δ23-reductase

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IntEnz Enzyme Nomenclature


Accepted name:
cucurbitacin Δ23-reductase
Other name:
NAD(P)H: cucurbitacin B Δ23-oxidoreductase
Systematic name:
23,24-dihydrocucurbitacin:NAD(P)+ Δ23-oxidoreductase




Requires Mn2+. Fe2+ or Zn2+ can replace Mn2+ to some extent.

Links to other databases

Enzymes and pathways: NC-IUBMB , BRENDA , ExplorEnz , ENZYME@ExPASy , KEGG , MetaCyc , UniPathway
Structural data: CSA , EC2PDB
Gene Ontology: GO:0047791
CAS Registry Number: 37256-38-5


  1. Schabort, J.C. and Potgieter, D.J.J.
    Cucurbitacin B Δ23-reductase from Cucurbita maxima. II. Cofactor requirements, enzyme kinetics, substrate specificity and other characteristics.
    Biochim. Biophys. Acta 151 : 47-53 (1968). [PMID: 4384331]
  2. Schabort, J.C., Potgieter, D.J.J. and de Villiers, V.
    Cucurbitacin B Δ23-reductase from Cucurbita maxima. I. Assay methods, isolation and purification.
    Biochim. Biophys. Acta 151 : 33-46 (1968). [PMID: 5640163]

[EC created 1965]