3-demethylubiquinone-9 3-O-methyltransferase

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3-demethylubiquinone-9 3-O-methyltransferase
Identifiers
EC no. 2.1.1.64
CAS no. 63774-48-1
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MetaCyc metabolic pathway
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In enzymology, a 3-demethylubiquinone-9 3-O-methyltransferase (EC 2.1.1.64) is an enzyme that catalyzes the chemical reaction

S-adenosyl-L-methionine + 3-demethylubiquinone-9 S-adenosyl-L-homocysteine + ubiquinone-9

Thus, the two substrates of this enzyme are S-adenosyl methionine and 3-demethylubiquinone-9, whereas its two products are S-adenosylhomocysteine and ubiquinone-9.

This enzyme participates in ubiquinone biosynthesis.

Nomenclature

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:2-nonaprenyl-3-methyl-5-hydroxy-6-methoxy-1, 4-benzoquinone 3-O-methyltransferase. Other names in common use include 5-demethylubiquinone-9 methyltransferase, OMHMB-methyltransferase, 2-Octaprenyl-3-methyl-5-hydroxy-6-methoxy-1,4-benzoquinone, methyltransferase, S-adenosyl-L-methionine:2-octaprenyl-3-methyl-5-hydroxy-6-methoxy-, and 1,4-benzoquinone-O-methyltransferase.

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References


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