>tr|M1I3X4|M1I3X4_9CREN Inorganic pyrophosphatase OS=Sulfolobus acidocaldarius N8 GN=ppa MKLSPGKNAPDVVNVLVEIPQGSNIKYEYDDEEGVIKVDRVLYTSMNYPFNYGFIPGTLE EDGDPLDVLVITNYQLYPGSVIEVRPIGILYMKDEEGEDAKIVAVPKDKTDPSFSNIKDI NDLPQATKNKIVHFFEHYKELEPGKYVKISGWGSATEAKNRIQLAIKRVSGGQ