>sp|Q9Z686|ATPE_CLOAB ATP synthase epsilon chain OS=Clostridium acetobutylicum GN=atpC MANNIKLSILTPQKTFYVGDVKEIITRTVEGEIGILPNHTDLVAFLTPTETILVEEDGSR KKVFTSTGILNVGESEVSFMCDASEWPDEIDIQRAETAKERAEKRLKTSNNIDVKRAELS LSRALARIKTKND