ENZYME entry: EC 2.1.1.83
| Accepted Name |
|---|
| 3,7-dimethylquercetin 4'-O-methyltransferase.
|
| Alternative Name(s) |
|---|
| 3,7-dimethylquercitin 4'-O-methyltransferase. |
| 4'-OMT. |
| flavonol 4'-methyltransferase. |
| flavonol 4'-O-methyltransferase. |
| Reaction catalysed |
|---|
| 3',4',5-trihydroxy-3,7-dimethoxyflavone + S-adenosyl-L-methionine <=> 3',5-dihydroxy-3,4',7-trimethoxyflavone + H(+) + S-adenosyl-L-homocysteine |
| Comment(s) |
|---|
- 3,7-Dimethylquercetagetin can also act as acceptor.
- Involved with EC 2.1.1.76 and EC 2.1.1.82 in the methylation of
quercetin to 3,7,4'-trimethylquercetin in Chrysosplenium americanum.
- Does not act on flavones, dihydroflavonols, or their glucosides.
|
| Cross-references |
|---|
| BRENDA | 2.1.1.83 |
| EC2PDB | 2.1.1.83 |
| ExplorEnz | 2.1.1.83 |
| PRIAM enzyme-specific profiles | 2.1.1.83 |
| KEGG Ligand Database for Enzyme Nomenclature | 2.1.1.83 |
| IUBMB Enzyme Nomenclature | 2.1.1.83 |
| IntEnz | 2.1.1.83 |
| MEDLINE | Find literature relating to 2.1.1.83 |
| MetaCyc | 2.1.1.83 |
| Rhea expert-curated reactions | 2.1.1.83 |
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