label: [molybdopterin-synthase sulfur-carrier protein]-C-terminal Gly-NH-CH2-C(O)SH + L-cysteinyl-[cysteine desulfurase] + A + AMP + H(+) => [molybdopterin-synthase sulfur-carrier protein]-C-terminal Gly-Gly-AMP + S-sulfanyl-L-cysteinyl-[cysteine desulfurase] + AH2
label_lc: [molybdopterin-synthase sulfur-carrier protein]-c-terminal gly-nh-ch2-c(o)sh + l-cysteinyl-[cysteine desulfurase] + a + amp + h(+) => [molybdopterin-synthase sulfur-carrier protein]-c-terminal gly-gly-amp + s-sulfanyl-l-cysteinyl-[cysteine desulfurase] + ah2