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ubiquinone biosynthesis O-methyltransferase This model represents an O-methyltransferase believed to act at two points in the ubiquinone biosynthetic pathway in bacteria (UbiG) and fungi (COQ3). A separate methylase (MenG/UbiE) catalyzes the single C-methylation step. The most commonly used names for genes in this family do not indicate whether this gene is an O-methyl, or C-methyl transferase. [Biosynthesis of cofactors, prosthetic groups, and carriers, Menaquinone and ubiquinone]
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