EC - β-cyclopiazonate dehydrogenase

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IntEnz Enzyme Nomenclature


Accepted name:
β-cyclopiazonate dehydrogenase
Other names:
β-cyclopiazonate oxidocyclase
β-cyclopiazonic oxidocyclase
β-cyclopiazonate:(acceptor) oxidoreductase (cyclizing)
Systematic name:
β-cyclopiazonate:acceptor oxidoreductase (cyclizing)




A flavoprotein (FAD). Cytochrome c and various dyes can act as acceptor. Cyclopiazonate is a microbial toxin.

Links to other databases

Enzymes and pathways: NC-IUBMB , BRENDA , DIAGRAM , ExplorEnz , ENZYME@ExPASy , KEGG , MetaCyc , UniPathway
Structural data: CSA , EC2PDB
Gene Ontology: GO:0050448
CAS Registry Number: 9059-00-1


  1. Edmondson, D.E., Kenney, W.C. and Singer, T.P.
    Structural elucidation and properties of 8α-(N1-histidyl)riboflavin: the flavin component of thiamine dehydrogenase and β-cyclopiazonate oxidocyclase.
    Biochemistry 15: 2937-2945 (1976). [PMID: 8076]
  2. Schabort, J.C. and Potgieter, D.J.J.
    β-Cyclopiazonate oxidocyclase from Penicillium cyclopium. II. Studies on electron acceptors, inhibitors, enzyme kinetics, amino acid composition, flavin prosthetic group and other properties.
    Biochim. Biophys. Acta 250: 329-345 (1971). [PMID: 5143340]

[EC created 1976 as EC, transferred 2002 to EC]