IUBMB Enzyme Nomenclature


Accepted name: noranthrone monooxygenase

Reaction: norsolorinic acid anthrone + O2 = norsolorinic acid + H2O

For diagram of reaction click here.

Glossary: norsolorinic acid anthrone = noranthrone = 2-hexanoyl-1,3,6,8-tetrahydroxyanthracen-9(10H)-one
norsolorinate = 2-hexanoyl-1,3,6,8-tetrahydroxy-9,10-anthraquinone

Other name(s): norsolorinate anthrone oxidase

Systematic name: norsolorinic acid anthrone:oxygen 9-oxidoreductase (norsolorinic acid-forming)

Comments: Involved in the synthesis of aflatoxins in the fungus Aspergillus parasiticus.

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, CAS registry number:


1. Ehrlich, K.C., Li, P., Scharfenstein, L. and Chang, P.K. HypC, the anthrone oxidase involved in aflatoxin biosynthesis. Appl. Environ. Microbiol. 76 (2010) 3374-3377. [PMID: 20348292]

[EC created 2013]

Return to EC 1.13.12 home page
Return to EC 1.13 home page
Return to EC 1 home page
Return to Enzymes home page
Return to IUBMB Biochemical Nomenclature home page