7.2.2.16 cytoplasmic membrane ExbB - 210332 7.2.2.16 cytoplasmic membrane ExbD - 210332 7.2.2.16 cytoplasmic membrane FhuB, integral - 210332, 210334, 210336, 210338 7.2.2.16 cytoplasmic membrane FhuC - 210336 7.2.2.16 cytoplasmic membrane FhuC membrane associated, preferential in the presence of FhuB, detected by FhuC antibodies - 210335 7.2.2.16 cytoplasmic membrane FhuC, associated with the inside of the cytoplasmic membrane - 210338 7.2.2.16 cytoplasmic membrane fhuC, membrane bound - 210337 7.2.2.16 cytoplasmic membrane FhuD, membrane bound - 210337 7.2.2.16 cytoplasmic membrane TonB - 210332 7.2.2.16 membrane - 16020 750741 7.2.2.16 periplasm FhuD - 210334, 210336, 210338 7.2.2.16 periplasm FhuD protein - 687370 7.2.2.16 periplasm FhuD, periplasmic binding - 210332, 210333