The Enzyme Database

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Accepted name: flavone synthase
Reaction: a flavanone + 2-oxoglutarate + O2 = a flavone + succinate + CO2 + H2O
For diagram of flavonoid biosynthesis, click here and for diagram of the biosynthesis of naringenin derivatives, click here
Systematic name: flavanone,2-oxoglutarate:oxygen oxidoreductase (dehydrating)
Comments: Requires ascorbate for full activity and Fe2+.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number: 138263-98-6
1.  Martens, S., Forkmann, G., Matern, U. and Lukačin, R. Cloning of parsley flavone synthase I. Phytochemistry 58 (2001) 43–46. [PMID: 11524111]
2.  Lukačin, R., Matern, U., Junghanns, K.T., Heskamp, M.L., Britsch, L., Forkmann, G. and Martens, S. Purification and antigenicity of flavone synthase I from irradiated parsley cells. Arch. Biochem. Biophys. 393 (2001) 177–183. [PMID: 11516175]
3.  Martens, S., Forkmann, G., Britsch, L., Wellmann, F., Matern, U. and Lukačin, R. Divergent evolution of flavonoid 2-oxoglutarate-dependent dioxygenases in parsley. FEBS Lett. 544 (2003) 93–98. [PMID: 12782296]
[EC created 2004]

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