3-methylquercitin 7-O-methyltransferase activity (Q22323402)
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.
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aliases GO:0030757
S-adenosyl-L-methionine:3',4',5,7-tetrahydroxy-3-methoxyflavone 7-O-methyltransferase activity
S-adenosyl-L-methionine:5,7,3',4'-tetrahydroxy-3-methoxyflavone 7-O-methyltransferase activity
3-methylquercetin 7-O-methyltransferase activity
description 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.

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