Mo-molybdopterin + L-cysteine + AH2 <=> thio-Mo-molybdopterin + L-alanine + A + H2O
mo-molybdopterin + l-cysteine + ah2 <=> thio-mo-molybdopterin + l-alanine + a + h2o
Mo-molybdopterin + L-cysteine + AH2 <=> thio-Mo-molybdopterin + L-alanine + A + H2O
mo-molybdopterin + l-cysteine + ah2 <=> thio-mo-molybdopterin + l-alanine + a + h2o