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 => mo-molybdopterin + l-cysteine + ah2