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 |
S-adenosyl-L-methionine + 3',4',5-trihydroxy-3,7-dimethoxyflavone <=> S-adenosyl-L-homocysteine + 3',5-dihydroxy-3,4',7-trimethoxyflavone |
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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ENZYME /
UniProtKB/Swiss-Prot entries corresponding to 2.1.1.-
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