Methylenediurea deaminase (, methylenediurease) is an enzyme with systematic name methylenediurea aminohydrolase found in Brucella anthropi, a bacterium. This enzyme catalyses the following chemical reaction:
methylenediurea + 2 H2O N-(hydroxymethyl)urea + 2 NH3 + CO2 (overall reaction) (1a) methylenediurea + H2O N-(carboxyaminomethyl)urea + NH3 (1b) N-(carboxyaminomethyl)urea N-(aminomethyl)urea + CO2 (spontaneous) (1c) N-(aminomethyl)urea + H2O N-(hydroxymethyl)urea + NH3 (spontaneous)
Methylenediurea is hydrolysed and decarboxylated to give an aminated methylurea.
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