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methylquercetagetin 6-O-methyltransferase activity

Known as: 6-OMT, S-adenosyl-L-methionine:3',4',5,6-tetrahydroxy-3,7-dimethoxyflavone 6-O-methyltransferase activity, flavonol 6-methyltransferase activity 
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… 
National Institutes of Health

Papers overview

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Highly Cited
2000
Highly Cited
2000
Molecular Characterization of theS-Adenosyl-l-methionine:3′-Hydroxy-N-methylcoclaurine 4′-O-Methyltransferase Involved in Isoquinoline Alkaloid Biosynthesis in Coptis japonica *
S-Adenosyl-l-methionine:3′-hydroxy-N-methylcoclaurine 4′-O-methyltransferase (4′-OMT) catalyzes the conversion of 3′-hydroxy-N… 
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1985
1985
Enzymatic synthesis of polymethylated flavonols in Chrysosplenium americanum. I. Partial purification and some properties of S-adenosyl-L-methionine:flavonol 3-, 6-, 7-, and 4'-O-methyltransferases.
Four novel flavonol O-methyltransferases (OMTs) were partially purified from Chrysosplenium americanum by precipitation with… 
1985
1985
Enzymatic synthesis of polymethylated flavonols in Chrysosplenium americanum. II. Substrate interaction and product inhibition studies of flavonol 3-, 6-, and 4'-O-methyltransferases.
The steady-state kinetic behavior of three position-specific O-methyltransferases (3-, 4'-, and 6-OMTs) was compared with… 
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