Myricetin O-methyltransferase
In enzymology, a myricetin O-methyltransferase (EC 2.1.1.149) is an enzyme that catalyzes the chemical reaction
- 2 S-adenosyl-L-methionine + myricetin 2 S-adenosyl-L-homocysteine + syringetin
| Myricetin O-methyltransferase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC no. | 2.1.1.149 | ||||||||
| Databases | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
| |||||||||
Thus, the two substrates of this enzyme are S-adenosyl methionine and myricetin, whereas its two products are S-adenosylhomocysteine and syringetin.
This enzyme belongs to the family of transferases, specifically those transferring one-carbon group methyltransferases. The systematic name of this enzyme class is S-adenosyl-L-methionine:myricetin O-methyltransferase.
References
- Cacace S, Schroder G, Wehinger E, Strack D, Schmidt J, Schroder J (2003). "A flavonol O-methyltransferase from Catharanthus roseus performing two sequential methylations". Phytochemistry. 62 (2): 127–37. doi:10.1016/S0031-9422(02)00483-1. PMID 12482447.
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