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