(-)-5'-demethylyatein + S-adenosyl-L-methionine => (-)-yatein + S-adenosyl-L-homocysteine + H(+)
(-)-5'-demethylyatein + s-adenosyl-l-methionine => (-)-yatein + s-adenosyl-l-homocysteine + h(+)
(-)-5'-demethylyatein + S-adenosyl-L-methionine => (-)-yatein + S-adenosyl-L-homocysteine + H(+)
(-)-5'-demethylyatein + s-adenosyl-l-methionine => (-)-yatein + s-adenosyl-l-homocysteine + h(+)