label: adenosine(37) in tRNA1(Val) + S-adenosyl-L-methionine <=> N(6)-methyladenosine(37) in tRNA1(Val) + S-adenosyl-L-homocysteine + H(+)
label_lc: adenosine(37) in trna1(val) + s-adenosyl-l-methionine <=> n(6)-methyladenosine(37) in trna1(val) + s-adenosyl-l-homocysteine + h(+)