Triuret hydrolase TrtA

UniProtKB accession:  A0A2N6JFX7

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UniProtKB description:  Involved in the degradation of triuret (carbonyldiurea), an impurity in agricultural urea fertilizer, and an intermediate of uric acid oxidation endogenously found in human urine and in prokaryotic metabolism. Catalyzes the hydrolysis of triuret to 1-carboxybiuret and ammonia. The product, carboxybiuret, channels into biuret metabolism and is spontaneously decarboxylated to biuret. Extremely specific for triuret with four, three and two orders of magnitude less activity with biuret, 1-nitrobiuret and formylurea, respectively. No activity with tetrauret, pentauret or nonplanar compounds methylene diurea or succinamide.