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The Tat protein transporter is found in the membranes of many bacteria and in plant chloroplasts. This highly unusual transport machine moves folded and often oligomeric substrate proteins across energy-conserving membranes. A recent paper reports the first use of a photo-crosslinking approach to dissect the early recognition events between the transporter and its substrate.

Original publication




Journal article


Trends Biochem Sci

Publication Date





55 - 57


Amino Acid Motifs, Amino Acid Sequence, Amino Acid Substitution, Arginine, Bacteria, Bacterial Proteins, Biological Transport, Chloroplasts, Consensus Sequence, Cross-Linking Reagents, Escherichia coli Proteins, Gene Products, tat, Light, Lysine, Membrane Transport Proteins, Models, Biological, Plant Proteins, Protein Folding, Protein Sorting Signals, Protein Transport, Substrate Specificity, Thylakoids