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