Transport of iron across the outer membrane

  title={Transport of iron across the outer membrane},
  author={Volkmar Braun and Karolin G{\"u}nter and Klaus Hantke},
  journal={Biology of Metals},
The TonB protein is involved in energy-coupled receptor-dependent transport processes across the outer membrane. The TonB protein is anchored in the cytoplasmic membrane but exposed to the periplasmic space. To fulfill its function, it has to couple the energy-providing metabolism in the cytoplasmic membrane with regulation of outer membrane receptor activity. Ferrichrome and albomycin transport, uptake of colicin M, and infection by the phages T1 andϕ80 occur via the same receptor, the FhuA… CONTINUE READING


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In vivo evidence for FhuA outer membrane receptor interaction with the TonB inner membrane protein of Eseheriehia coll

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