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(+)