macrocin + S-adenosyl-L-methionine = tylosin + S-adenosyl-L-homocysteine + H(+)
macrocin + s-adenosyl-l-methionine = tylosin + s-adenosyl-l-homocysteine + h(+)
macrocin + S-adenosyl-L-methionine = tylosin + S-adenosyl-L-homocysteine + H(+)
macrocin + s-adenosyl-l-methionine = tylosin + s-adenosyl-l-homocysteine + h(+)