The Enzyme Database

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Accepted name: nogalonic acid methyl ester cyclase
Reaction: nogalaviketone = methyl nogalonate
Glossary: methyl nogalonate = methyl [4,5-dihydroxy-9,10-dioxo-3-(3-oxobutanoyl)-9,10-dihydroanthracen-2-yl]acetate
nogalaviketone = methyl 5,7-dihydroxy-2-methyl-4,6,11-trioxo-3,4,6,11-tetrahydrotetracene-1-carboxylate
Other name(s): methyl nogalonate cyclase; SnoaL (gene name); methyl nogalonate lyase (cyclizing)
Systematic name: nogalaviketone lyase (ring-opening)
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
1.  Sultana, A., Kallio, P., Jansson, A., Wang, J.S., Niemi, J., Mantsala, P. and Schneider, G. Structure of the polyketide cyclase SnoaL reveals a novel mechanism for enzymatic aldol condensation. EMBO J. 23 (2004) 1911–1921. [DOI] [PMID: 15071504]
2.  Sultana, A., Kallio, P., Jansson, A., Niemi, J., Mantsala, P. and Schneider, G. Crystallization and preliminary crystallographic data of SnoaL, a polyketide cyclase in nogalamycin biosynthesis. Acta Crystallogr. D Biol. Crystallogr. 60 (2004) 1118–1120. [DOI] [PMID: 15159574]
[EC created 2015]

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