RFBE_YEREN rfbE O-antigen export system ATP-binding protein RfbE 239 MTSLIFKNVTMSYPIYNAHSQSLRNQLVRVSTGGRIGGSRGEVVTVTALDNISFELNSGDSVGLIGHNGAGKSTLLRTMAGIYPASSGEIIREGSVATVFELGAGMDPELSGYENIMRMLLLLGNSVASAKSKIPEIEEFCELGDFLVLPVRTYSSGMTMRLMFAVATSMRPEILLIDEMFGTGDAAFQEKAEKRMRDWIAGSDIFVFASHDRSLIKKLCNRIFRLEHGLIYEESMDIL May form an ATP-driven O-antigen export apparatus, in association with RfbD.