>sp|A2C0B3|IXTPA_PROM1 dITP/XTP pyrophosphatase OS=Prochlorococcus marinus GN=NATL1_03591 MDNVPLVIASGNKGKIGEFKKLLDDFPIDLLTQPVGFEIEETGSTFMENARIKAIAVSQA TGNLSLADDSGLSVEALGGAPGIYSSRYASSDKQRIEKLLAELKPFSNRKAKFECALCIA SGEKVLIEVSGFCEGLITFFPKGQNGFGYDPIFEVSGLGETYAEMDHEKKKHIGHRGNAF KLLIPKLKQLLGSMKK