Adenylosuccinate LyaseAdenylosuccinate SynthasePurine-Pyrimidine Metabolism, Inborn ErrorsLyasesAminoimidazole CarboxamidePurinesInosine MonophosphateRibonucleotidesAdenosine MonophosphateFumaratesThermotoga maritimaFumarate HydrataseBacillus subtilisMolecular Sequence DataKineticsMutation, MissenseAmino Acid Sequence