glycine betaine + S-adenosyl-L-homocysteine + H(+) => N,N-dimethylglycine + S-adenosyl-L-methionine
glycine betaine + s-adenosyl-l-homocysteine + h(+) => n,n-dimethylglycine + s-adenosyl-l-methionine
glycine betaine + S-adenosyl-L-homocysteine + H(+) => N,N-dimethylglycine + S-adenosyl-L-methionine
glycine betaine + s-adenosyl-l-homocysteine + h(+) => n,n-dimethylglycine + s-adenosyl-l-methionine