a ubiquinone + S-adenosyl-L-homocysteine => a 3-demethylubiquinone + S-adenosyl-L-methionine
a ubiquinone + s-adenosyl-l-homocysteine => a 3-demethylubiquinone + s-adenosyl-l-methionine
a ubiquinone + S-adenosyl-L-homocysteine => a 3-demethylubiquinone + S-adenosyl-L-methionine
a ubiquinone + s-adenosyl-l-homocysteine => a 3-demethylubiquinone + s-adenosyl-l-methionine