>tr|Q8VPY9|Q8VPY9_RHIRD Putative proton-translocating inorganic pyrophosphatase OS=Rhizobium radiobacter GN=vppa AGGIAEMAELGPEVRKTTDKLDSVGNTTAAIAKGFAIGSAALTALALFTAFAEEIAKNPK LTGLLVDGHLVVNLTEPGVIIGIFLGATLPFLVCAFTMEAVGKAAFEMIEEVRRQFREIP GIMEGTGRPDYAKCVDISTKAAIREMMLPGVFAVGAPLIVGFLLGAKALAGFLAGVTASG VLLAIFSPS