Deoxyuridine 5'-triphosphate nucleotidohydrolase This enzyme is involved in nucleotide metabolism: it produces dUMP, the immediate precursor of thymidine nucleotides and it decreases the intracellular concentration of dUTP so that uracil cannot be incorporated into DNA (By similarity). dut DUT_CLODI 143 dUTP pyrophosphatase dutA MYNLKVKKLNDDAIIPNFAHKGDAGMDLYSIEEVVIPPGETKLIKTGICIELPTMTEAQVRPRSGLALKHSVTVLNTPGTIDEGYRGELKIILINHGKNDFKVEKHMKIAQMIVKPIYDINIEEVKELSDSERGKGGFGSTGF