a 2-demethylmenaquinone + S-adenosyl-L-methionine <=> a menaquinone + S-adenosyl-L-homocysteine + H(+)
a 2-demethylmenaquinone + s-adenosyl-l-methionine <=> a menaquinone + s-adenosyl-l-homocysteine + h(+)
a 2-demethylmenaquinone + S-adenosyl-L-methionine <=> a menaquinone + S-adenosyl-L-homocysteine + H(+)
a 2-demethylmenaquinone + s-adenosyl-l-methionine <=> a menaquinone + s-adenosyl-l-homocysteine + h(+)