ID 2.1.1.82 DE 3-methylquercetin 7-O-methyltransferase. AN 3-methylquercitin 7-O-methyltransferase. AN 7-OMT. AN flavonol 7-methyltransferase. AN flavonol 7-O-methyltransferase. CA 3',4',5,7-tetrahydroxy-3-methoxyflavone + S-adenosyl-L-methionine = CA 3',4',5-trihydroxy-3,7-dimethoxyflavone + H(+) + S-adenosyl-L- CA homocysteine. CC -!- Involved with EC 2.1.1.76 and EC 2.1.1.83 in the methylation of CC quercetin to 3,7,4'-trimethylquercetin in Chrysosplenium americanum. CC -!- Does not act on flavones, dihydroflavonols, or their glucosides. DR F2YTN5, MOMT2_SOLHA; A0A3Q7GYG2, MOMT2_SOLLC; //