label: adenosine(58) in tRNA + S-adenosyl-L-methionine => N(1)-methyladenosine(58) in tRNA + S-adenosyl-L-homocysteine + H(+)
label_lc: adenosine(58) in trna + s-adenosyl-l-methionine => n(1)-methyladenosine(58) in trna + s-adenosyl-l-homocysteine + h(+)