>sp|P29709|ATPE_PROMO ATP synthase epsilon chain, sodium ion specific OS=Propionigenium modestum GN=atpC
MATFKLEVVTPLKKVLDRDAEMVIMRTIEGDMGVMADHAPFVAELAVGEMKIKSANGEEA
YFVSGGFLEISKEKTMILADEAIDVKEIDVERAKREAEIAKETLVKLKEDKDIAVTQKSL
QEALTKVRIAEQYMHHL