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