carnosine + S-adenosyl-L-methionine = anserine + S-adenosyl-L-homocysteine + H(+)
carnosine + s-adenosyl-l-methionine = anserine + s-adenosyl-l-homocysteine + h(+)
carnosine + S-adenosyl-L-methionine = anserine + S-adenosyl-L-homocysteine + H(+)
carnosine + s-adenosyl-l-methionine = anserine + s-adenosyl-l-homocysteine + h(+)