menaquinol-6 + S-adenosyl-L-homocysteine + H(+) => 2-demethylmenaquinol-6 + S-adenosyl-L-methionine
menaquinol-6 + s-adenosyl-l-homocysteine + h(+) => 2-demethylmenaquinol-6 + s-adenosyl-l-methionine
menaquinol-6 + S-adenosyl-L-homocysteine + H(+) => 2-demethylmenaquinol-6 + S-adenosyl-L-methionine
menaquinol-6 + s-adenosyl-l-homocysteine + h(+) => 2-demethylmenaquinol-6 + s-adenosyl-l-methionine