L-methionine + S-adenosyl-L-methionine = S-methyl-L-methionine + S-adenosyl-L-homocysteine
l-methionine + s-adenosyl-l-methionine = s-methyl-l-methionine + s-adenosyl-l-homocysteine
L-methionine + S-adenosyl-L-methionine = S-methyl-L-methionine + S-adenosyl-L-homocysteine
l-methionine + s-adenosyl-l-methionine = s-methyl-l-methionine + s-adenosyl-l-homocysteine