ENTRY       EC 2.1.1.84
NAME        Methylquercetagetin 6-O-methyltransferase
            Flavonol 6-O-methyltransferase
CLASS       Transferases
            Transferring one-carbon groups
            Methyltransferases
SYSNAME     S-Adenosyl-L-methionine:3',4',5,6-tetrahydroxy-3,7-
            $dimethoxyflavone 6-O-methyltransferase
REACTION    S-Adenosyl-L-methionine +
            3',4',5,6-Tetrahydroxy-3,7-dimethoxyflavone =
            S-Adenosyl-L-homocysteine +
            3',4',5-Trihydroxy-3,6,7-trimethoxyflavone
SUBSTRATE   S-Adenosyl-L-methionine
            3',4',5,6-Tetrahydroxy-3,7-dimethoxyflavone
PRODUCT     S-Adenosyl-L-homocysteine
            3',4',5-Trihydroxy-3,6,7-trimethoxyflavone
COMMENT     Also methylates 3,7,3'-trimethylquercetagetin at the 6-position.
            Does not act on flavones, dihydroflavonols, or their glucosides.
            From Chrysosplenium americanum.
DBLINKS     University of Geneva ENZYME DATA BANK: 2.1.1.84
            WIT (What Is There) Metabolic Reconstruction: 2.1.1.84
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