guanidinoacetate + S-adenosyl-L-methionine <=> creatine + S-adenosyl-L-homocysteine + H(+)
guanidinoacetate + s-adenosyl-l-methionine <=> creatine + s-adenosyl-l-homocysteine + h(+)
guanidinoacetate + S-adenosyl-L-methionine <=> creatine + S-adenosyl-L-homocysteine + H(+)
guanidinoacetate + s-adenosyl-l-methionine <=> creatine + s-adenosyl-l-homocysteine + h(+)