methylarsonous acid + S-adenosyl-L-methionine <=> dimethylarsinate + S-adenosyl-L-homocysteine + 2 H(+)
methylarsonous acid + s-adenosyl-l-methionine <=> dimethylarsinate + s-adenosyl-l-homocysteine + 2 h(+)
methylarsonous acid + S-adenosyl-L-methionine <=> dimethylarsinate + S-adenosyl-L-homocysteine + 2 H(+)
methylarsonous acid + s-adenosyl-l-methionine <=> dimethylarsinate + s-adenosyl-l-homocysteine + 2 h(+)