>sp|Q8VNU8|HPPA_ALLVI K(+)-insensitive pyrophosphate-energized proton pump OS=Allochromatium vinosum GN=hppA AGGIAEMSGLPEDVRKTTDALDAVGNTTKAVTKGYAIGSAGLAALVLFADYTHNLEVAGK MQVFSLSDPAVIIGLFIGGLVPYLFGAMAMEAVGRAAGSVVIEVRRQFREIKGIMEGTAK PDYSRAVDLLTKAAIKEMVVPSLLPILVPVAVAIGMNILMGDGAGIRALGGMLIGTIVTG LFVAISMCTGGGAWDNA