3-methylquercitin 7-O-methyltransferase activity
Catalysis of the reaction: 3',4',5,7-tetrahydroxy-3-methoxyflavone + S-adenosyl-L-methionine(1+) = 3',4',5-trihydroxy-3,7-dimethoxyflavone + S-adenosyl-L-homocysteine.
GO:0008757
S-adenosylmethionine-dependent methyltransferase activity
is_a
3-methylquercetin 7-O-methyltransferase activity
related
7-OMT activity
related
S-adenosyl-L-methionine:3',4',5,7-tetrahydroxy-3-methoxyflavone 7-O-methyltransferase activity
related
S-adenosyl-L-methionine:5,7,3',4'-tetrahydroxy-3-methoxyflavone 7-O-methyltransferase activity
related
flavonol 7-O-methyltransferase activity
related
flavonol 7-methyltransferase activity
related