>tr|A0A6N3QNZ8|A0A6N3QNZ8_SHIFL Inorganic pyrophosphatase OS=Shigella flexneri CDC 796-83 GN=ppa MSLLNVPAGKDLPEDIYVVIEIPANADPIKYEIDKESGALFVDRFMSTAMFYPCNYGYIN HTLSLDGDPVDVLVPTPYPLQPGSVIRCRPVGVLKMTDEAGEDAKLVAVPHSKLSKEYDH IKDVNDLPELLKAQIAHFFEHYKDLEKGKWVKVEGWENAEAAKAEIVASFERAKNK