isoflavone 4′-O-methyltransferase EC#: 2.1.1.46; ChemWhat Code: 1376196

Product Name isoflavone 4′-O-methyltransferase
Example Structure Example Structure of isoflavone 4'-O-methyltransferase EC#: 2.1.1.46
Synonyms S-adenosylmethionine:isoflavone 4′-O-methyltransferase
EC Number 2.1.1.46
CAS Registry Number 55071-80-2
Comments Requires Mg2+ for activity. The enzyme catalyses the methylation of daidzein and genistein. It does not methylate naringenin, apigenin, luteolin or kaempferol.
Cofactor Mg2+
History
Reactions S-adenosyl-L-methionine + a 4′-hydroxyisoflavone = S-adenosyl-L- homocysteine + a 4′-methoxyisoflavone.

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