>tr|W1W1S4|W1W1S4_ECOLX ATP synthase epsilon chain OS=Escherichia coli DORA_A_5_14_21 GN=atpC MAMTYHLDVVSAEQQMFSGLVEKIQVTGSEGELGIYPGHAPLLTAIKPGMIRIVKQHGHE EFIYLSGGILEVQPGNVTVLADTAIRGQDLDEARAMEAKRKAEEHISSSHGDVDYAQASA ELAKAIAQLRVIELTKKAM