>P75028|PCXA_SYNY3 Proton extrusion protein pcxA - Synechocystis sp. (strain PCC 6803). MDLTNWWQGATQWFGRSSQKSLEQAFRSALKIKEIEDQYFQGKKIGPENCDYSADTVTYFANQIQRHLRKIEQEIYHLNS DQEFVKILSLDPAVKQDPQTEYVLNQLQFIDDILQRYDGELPQVSPPKQIANGGVLDLPAITANKQRQINKKRRDGFQYI RREDTQQKVDTATQKSGVLPRSFLRTIDRLKREMDPQSSDTEQKVLKQYRNSRYKTALSIKFVLTLIIVPLLAHQLTKTF FLLPSVESFFERNSEVVFINQSMETEAYEELSHFEESLRFRELLGFGEKLSPEAKEEKLAEKAKEISESYRRVSTNAIAN IFADIFSLVAFSLVLVNSQREIEVLKEFIDEIVYGLSDSAKAFLIILFTDMFVGFHSPHGWEVILASIARHFGLPENQDF NFLFIATFPVILDTVFKYWIFRYLNSISPSAVATYRNMNE