label: 5-taurinomethyluridine(34) in tRNA + S-sulfanyl-L-cysteinyl-[protein] + AH2 + ATP = 5-taurinomethyl-2-thiouridine(34) in tRNA + L-cysteinyl-[protein] + A + AMP + diphosphate + H(+)
label_lc: 5-taurinomethyluridine(34) in trna + s-sulfanyl-l-cysteinyl-[protein] + ah2 + atp = 5-taurinomethyl-2-thiouridine(34) in trna + l-cysteinyl-[protein] + a + amp + diphosphate + h(+)