label: N(6)-L-threonylcarbamoyladenosine(37) in tRNA + S-adenosyl-L-methionine = N(6)-methyl,N(6)-L-threonylcarbamoyladenosine(37) in tRNA + S-adenosyl-L-homocysteine + H(+)
label_lc: n(6)-l-threonylcarbamoyladenosine(37) in trna + s-adenosyl-l-methionine = n(6)-methyl,n(6)-l-threonylcarbamoyladenosine(37) in trna + s-adenosyl-l-homocysteine + h(+)