The twin-arginine translocation (Tat) protein export pathway

Tracy Palmer, Ben C. Berks

    Research output: Contribution to journalArticlepeer-review

    306 Citations (Scopus)

    Abstract

    The twin-arginine translocation (Tat) protein export system is present in the cytoplasmic membranes of most bacteria and archaea and has the highly unusual property of transporting fully folded proteins. The system must therefore provide a transmembrane pathway that is large enough to allow the passage of structured macromolecular substrates of different sizes but that maintains the impermeability of the membrane to ions. In the Gram-negative bacterium Escherichia coli, this complex task can be achieved by using only three small membrane proteins: TatA, TatB and TatC. In this Review, we summarize recent advances in our understanding of how this remarkable machine operates.
    Original languageEnglish
    Pages (from-to)483-496
    Number of pages14
    JournalNature Reviews Microbiology
    Volume10
    Issue number7
    DOIs
    Publication statusPublished - 2012

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