The Enzyme Database

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Accepted name: 6-linalyl-2-O,3-dimethylflaviolin synthase
Reaction: geranyl diphosphate + 2-O,3-dimethylflaviolin = diphosphate + 6-linalyl-2-O,3-dimethylflaviolin
Glossary: flaviolin = 2,5,7-trihydroxy-1,4-naphthoquinone
2-O,3-dimethylflaviolin = 5,7-dihydroxy-2-methoxy-3-methylnaphthalene-1,4-dione
6-linalyl-2-O,3-dimethylflaviolin = 6-(3,7-dimethylocta-1,6-dien-3-yl)-5,7-dihydroxy-2-methoxy-3-methylnaphthalene-1,4-dione
Other name(s): Fur7; 6-(3,7-dimethylocta-1,6-dien-3-yl)-5,7-dihydroxy-2-methoxy-3-methylnaphthalene-1,4-dione synthase
Systematic name: geranyl diphosphate:2-O-methyl-3-methylflaviolin geranyltransferase (6-linalyl-2-O,3-dimethylflaviolin-forming)
Comments: The enzyme is involved in biosynthesis of the polyketide-isoprenoid furaquinocin D in the bacterium Streptomyces sp. KO-3988. It catalyses the transfer of a geranyl group to 2-O,3-dimethylflaviolin to yield 6-linalyl-2-O,3-dimethylflaviolin and 7-O-geranyl-2-O,3-dimethylflaviolin (cf. EC, 7-geranyloxy-5-hydroxy-2-methoxy-3-methylnaphthalene-1,4-dione synthase) in a 10:1 ratio.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Kumano, T., Tomita, T., Nishiyama, M. and Kuzuyama, T. Functional characterization of the promiscuous prenyltransferase responsible for furaquinocin biosynthesis: identification of a physiological polyketide substrate and its prenylated reaction products. J. Biol. Chem. 285 (2010) 39663–39671. [PMID: 20937800]
[EC created 2014]

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