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The Tat (twin-arginine translocation) system is a bacterial protein export pathway with the remarkable ability to transport folded proteins across the cytoplasmic membrane. Preproteins are directed to the Tat pathway by signal peptides that bear a characteristic sequence motif, which includes consecutive arginine residues. Here, we review recent progress on the characterization of the Tat system and critically discuss the structure and operation of this major new bacterial protein export pathway.

Type

Journal article

Journal

Mol Microbiol

Publication Date

01/2000

Volume

35

Pages

260 - 274

Keywords

Amino Acid Sequence, Bacterial Proteins, Biological Transport, Cell Membrane, Gram-Negative Bacteria, Molecular Sequence Data, Protein Folding, Protein Sorting Signals