>tr|D6IFX5|D6IFX5_ECOLX ATP synthase epsilon chain OS=Escherichia coli B185 GN=atpC MAMTYHLDVVSAEQQMFSGLVEKIQVTGSEGELGIYPGHAPLLTAIKPGMIRIVKQHGHE EFIYLSGGILEVQPGNVTVLADTAIRGQDLDEARAMEAKRKAEEHISSSHGDVDYAQASA ELAKAIAQLRVIELTKKAM