| 英文名 |
3,7-dimethylquercetin 4′-O-methyltransferase |
| Example Structure |
 |
| 别名 |
4′-OMT, flavonol 4′-O-methyltransferase, methyltransferase, flavonol 4′- |
| EC Number |
2.1.1.83 |
| CAS编号 |
96477-60-0 |
| Comments |
3,7-Dimethylquercetagetin can also act as acceptor. Involved with EC 2.1.1.76 quercetin 3-O-methyltransferase and EC 2.1.1.82 3-methylquercetin 7-O-methyltransferase in the methylation of quercetin to 3,7,4′-trimethylquercetin in Chrysosplenium americanum. Does not act on flavones, dihydroflavonols, or their glucosides. |
| Cofactor |
|
| History |
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| Reactions |
S-adenosyl-L-methionine + 3′,4′,5-trihydroxy-3,7-dimethoxyflavone = S-adenosyl-L-homocysteine + 3′,5-dihydroxy-3,4′,7-trimethoxyflavone. |