2.1.1.114	S-adenosyl-L-methionine + 3,4-dihydroxy-5-all-trans-hexaprenylbenzoate	-	
2.1.1.114	S-adenosyl-L-methionine + 3,4-dihydroxy-5-all-trans-polyprenylbenzoate	-	
2.1.1.114	S-adenosyl-L-methionine + 5-all-trans-decaprenyl-3,4-dihydroxybenzoate	the enzyme catalyzes two methylation steps in the biosynthesis of ubiquinone-10, 1. the methylation of 5-all-trans-decaprenyl-3,4-dihydroxybenzoate and 2. the methylation of 3-demethylubiquinol-10 (this reaction is classified as EC 2.1.1.64)	
2.1.1.114	S-adenosyl-L-methionine + 3,4-dihydroxy-5-hexaprenylbenzoate	the enzyme catalyzes two methylation steps in the biosynthesis of ubiquinone-6, 1. the methylation of 3,4-dihydroxy-5-hexaprenylbenzoate and 2. the methylation of 3-demethylubiquinol-6 (this reaction is classified as EC 2.1.1.64)	
2.1.1.114	S-adenosyl-L-methionine + 3,4-dihydroxy-5-octaprenylbenzoate	the enzyme catalyzes two methylation steps in the biosynthesis of ubiquinone-8, 1. the methylation of 3,4-dihydroxy-5-octaprenylbenzoate and 2. the methylation of 3-demethylubiquinol-8 (this reaction is classified as EC 2.1.1.64)