3.5.1.54 allophanate + H2O - CO2 + NH3 - ir 140567 3.5.1.54 allophanate + H2O 2nd step in the degradation of urea CO2 + NH3 - ir 140567 3.5.1.54 allophanate + H2O the enzyme is involved in bacterial cyanuric acid metabolism NH3 + CO2 - ir 383056 3.5.1.54 allophanate + H2O - NH3 + CO2 - ir 383056 3.5.1.54 allophanate + H2O the enzyme forms an alternative urea degradation pathway with the urea carboxylase, EC 6.3.4.6 NH3 + CO2 - ir 383056 3.5.1.54 allophanate + H2O - NH3 + CO2 - ? 383056 3.5.1.54 allophanate + H2O the reverse reaction is catalyzed by urea carboxylase 2 CO2 + 2 NH3 - ir 432652 3.5.1.54 allophanate + H2O - 2 CO2 + 2 NH3 - ? 432652 3.5.1.54 allophanate + H2O - 2 CO2 + 2 NH3 - ir 432652 3.5.1.54 allophanate + H2O the enzyme exhibits high specificity for allophanate 2 CO2 + 2 NH3 - ? 432652