label: N(6)-methyladenosine in U6 snRNA + S-adenosyl-L-homocysteine + H(+) => adenosine in U6 snRNA + S-adenosyl-L-methionine
label_lc: n(6)-methyladenosine in u6 snrna + s-adenosyl-l-homocysteine + h(+) => adenosine in u6 snrna + s-adenosyl-l-methionine