The Enzyme Database

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Accepted name: pentalenolactone F synthase
Reaction: pentalenolactone D + 2 2-oxoglutarate + 2 O2 = pentalenolactone F + 2 succinate + 2 CO2 + H2O (overall reaction)
(1a) pentalenolactone D + 2-oxoglutarate + O2 = pentalenolactone E + succinate + CO2 + H2O
(1b) pentalenolactone E + 2-oxoglutarate + O2 = pentalenolactone F + succinate + CO2
For diagram of pentalenolactone biosynthesis, click here
Glossary: pentalenolactone D = (1S,4aR,6aS,9aR)-1,8,8-trimethyl-2-oxo-1,2,4,4a,6a,7,8,9-octahydropentaleno[1,6a-c]pyran-5-carboxylate
pentalenolactone E = (4aR,6aS,9aR)-8,8-dimethyl-1-methylene-2-oxo-1,2,4,4a,6a,7,8,9-octahydropentaleno[1,6a-c]pyran-5-carboxylate
pentalenolactone F = (1′R,4′aR,6′aS,9′aR)-8′,8′-dimethyl-2′-oxo-4′,4′a,6′a,8′,9′-hexahydrospiro[oxirane-2,1′-pentaleno[1,6a-c]pyran]-5′-carboxylic acid
Other name(s): penD (gene name); pntD (gene name); ptlD (gene name)
Systematic name: pentalenolactone-D,2-oxoglutarate:oxygen oxidoreductase
Comments: Requires iron(II) and ascorbate. Isolated from the bacteria Streptomyces exfoliatus, Streptomyces arenae and Streptomyces avermitilis. Part of the pentalenolactone biosynthesis pathway.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Seo, M.J., Zhu, D., Endo, S., Ikeda, H. and Cane, D.E. Genome mining in Streptomyces. Elucidation of the role of Baeyer-Villiger monooxygenases and non-heme iron-dependent dehydrogenase/oxygenases in the final steps of the biosynthesis of pentalenolactone and neopentalenolactone. Biochemistry 50 (2011) 1739–1754. [DOI] [PMID: 21250661]
[EC created 2012]

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