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 number2.1.1.149
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB 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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