label: cytidine(32) in tRNA + S-sulfanyl-L-cysteinyl-[cysteine desulfurase] + AH2 + ATP = 2-thiocytidine(32) in tRNA + L-cysteinyl-[cysteine desulfurase] + A + AMP + diphosphate + H(+)
label_lc: cytidine(32) in trna + s-sulfanyl-l-cysteinyl-[cysteine desulfurase] + ah2 + atp = 2-thiocytidine(32) in trna + l-cysteinyl-[cysteine desulfurase] + a + amp + diphosphate + h(+)