atpC F-ATPase epsilon subunit ATPE_RHOCA Produces ATP from ADP in the presence of a proton gradient across the membrane. ATP synthase F1 sector epsilon subunit 132 ATP synthase epsilon chain MADTMQFDLVSPERRLASVAASEVRLPGVEGDLTAMPGHAPVILSLRPGILTVVSAAGTAEYAVTGGFAEVSGEKVTVLAERGLTRAELTAAVHAEMLAEAKKVADAAHPSVADAAAKMLADMEALGSHINL