L-homocysteine + glycine betaine => N,N-dimethylglycine + L-methionine
l-homocysteine + glycine betaine => n,n-dimethylglycine + l-methionine
L-homocysteine + glycine betaine => N,N-dimethylglycine + L-methionine
l-homocysteine + glycine betaine => n,n-dimethylglycine + l-methionine