>sp|O25664|ISPDF_HELPY Bifunctional enzyme IspD/IspF OS=Helicobacter pylori GN=ispDF MSLIRVNGEAFKLSLESLEEDPFETKETLETLIKQTSVVLLAAGESRRFSQTIKKQWLRS NHTPLWLSVYESFKEALDFKEIILVVSELDYIYIKRHYPEIKLVKGGASRQESVRNALKI IDSAYTLTSDVARGLANIEALKNLFLTLQQTSHYCIAPYLPCYDTAIYYNEALDREAIKL IQTPQLSHTKALQSALNQGDFKDESSAILQAFPDRVSYIEGSKDLHKLTTSGDLKHFTLF FNPAKDTFIGMGFDTHAFIKDKPMVLGGVVLDCEFGLKAHSDGDALLHAVIDAILGAIKG GDIGEWFPDNDPKYKNASSKELLKIVLDFSQSIGFELFEMGATIFSEIPKITPYKPAILE NLSQLLGLEKSQISLKATTMEKMGFIGKQEGLLVQAHVSMRYKQKL