>sp|Q8U438|IPYR_PYRFU Inorganic pyrophosphatase OS=Pyrococcus furiosus GN=ppa MNPFHDLEPGPDVPEVVYAIIEIPKGSRNKYELDKKTGLLKLDRVLYSPFFYPVDYGIIP RTWYEDDDPFDIMVIMREPVYPLTIIEARPIGLFKMIDSGDKDYKVLAVPVEDPYFKDWK DIDDVPKAFLDEIAHFFKRYKELQGKEIIVEGWEGAEAAKREILRAIEMYKEKFGKKE