methylquercetagetin 6-O-methyltransferase activity (Q22323395)
Catalysis of the reaction: 3',4',5,6-tetrahydroxy-3,7-dimethoxyflavone + S-adenosyl-L-methionine(1+) = 3',4',5-trihydroxy-3,6,7-trimethoxyflavone + S-adenosyl-L-homocysteine + H(+).
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aliases GO:0030759
 S-adenosyl-L-methionine:3',4',5,6-tetrahydroxy-3,7-dimethoxyflavone 6-O-methyltransferase activity
 flavonol 6-methyltransferase activity
description Catalysis of the reaction: 3',4',5,6-tetrahydroxy-3,7-dimethoxyflavone + S-adenosyl-L-methionine(1+) = 3',4',5-trihydroxy-3,6,7-trimethoxyflavone + S-adenosyl-L-homocysteine + H(+).

External Links
(P665) R04505
(P686) GO:0030759