an N(6)-methyladenosine in mRNA + S-adenosyl-L-homocysteine + H(+) => an adenosine in mRNA + S-adenosyl-L-methionine
an n(6)-methyladenosine in mrna + s-adenosyl-l-homocysteine + h(+) => an adenosine in mrna + s-adenosyl-l-methionine