obsolete 2-octaprenyl-3-methyl-5-hydroxy-6-methoxy-1,4-benzoquinone methyltransferase activity (obsolete GO:0043431)
OBSOLETE. Catalysis of the reaction: 2-octaprenyl-3-methyl-5-hydroxy-6-methoxy-1,4-benzoquinol + S-adenosyl-L-methionine = ubiquinol + S-adenosyl-L-homocysteine.
2-octaprenyl-6-hydroxy phenol methylase activity
exact
3-demethylubiquinone-9 3-methyltransferase activity
exact