IUBMB Enzyme Nomenclature


Accepted name: deoxynogalonate monooxygenase

Reaction: deoxynogalonate + O2 = nogalonate + H2O

For diagram of reaction click here.

Glossary: deoxynogalonate = [4,5-dihydroxy-10-oxo-3-(3-oxobutanoyl)-9,10-dihydroanthracen-2-yl]acetate
nogalonate = [4,5-dihydroxy-9,10-dioxo-3-(3-oxobutanoyl)-9,10-dihydroanthracen-2-yl]acetate

Other name(s): SnoaB (gene name); 12-deoxynogalonic acid oxidoreductase; [4,5-dihydroxy-10-oxo-3-(3-oxobutanoyl)-9,10-dihydroanthracen-2-yl]acetate oxidase; [4,5-dihydroxy-10-oxo-3-(3-oxobutanoyl)-9,10-dihydroanthracen-2-yl]acetate monooxygenase; deoxynogalonate oxidoreductase

Systematic name: deoxynogalonate:oxygen oxidoreductase

Comments: The enzyme, characterized from the bacterium Streptomyces nogalater, is involved in the biosynthesis of the aromatic polyketide nogalamycin.

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


1. Koskiniemi, H., Grocholski, T., Schneider, G. and Niemi, J. Expression, purification and crystallization of the cofactor-independent monooxygenase SnoaB from the nogalamycin biosynthetic pathway. Acta Crystallogr. Sect. F Struct. Biol. Cryst. Commun. 65 (2009) 256-259. [PMID: 19255477]

2. Grocholski, T., Koskiniemi, H., Lindqvist, Y., Mantsala, P., Niemi, J. and Schneider, G. Crystal structure of the cofactor-independent monooxygenase SnoaB from Streptomyces nogalater: implications for the reaction mechanism. Biochemistry 49 (2010) 934-944. [PMID: 20052967]

[EC created 2015]

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