>sp|P25536|NTPPA_ECOLI dTTP/UTP pyrophosphatase OS=Escherichia coli GN=yhdE MTSLYLASGSPRRQELLAQLGVTFERIVTGIEEQRQPQESAQQYVVRLAREKARAGVAQT AKDLPVLGADTIVILNGEVLEKPRDAEHAAQMLRKLSGQTHQVMTAVALADSQHILDCLV VTDVTFRTLTDEDIAGYVASDEPLDKAGAYGIQGLGGCFVRKINGSYHAVVGLPLVETYE LLSNFNALREKRDKHDG