Journal Article10.1016/S0022-2836(02)00820-3
Oligomeric properties and signal peptide binding by Escherichia coli Tat protein transport complexes
Erik de Leeuw,Thierry Granjon,Ida Porcelli,Meriem Alami,Stephen B. Carr,Matthias Müller,Frank Sargent,Tracy Palmer,Tracy Palmer,Ben C. Berks +9 more
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TL;DR: The authors' data suggest that the TatA, TatB and TatC proteins are found in at least two major types of high molecular mass complex in detergent solution, one consisting predominantly of TatA but with a small quantity of TatB, and the other based on a TatBC unit but also containing some TatA protein.
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About: This article is published in Journal of Molecular Biology. The article was published on 04 Oct 2002. The article focuses on the topics: Twin-arginine translocation pathway & Signal peptide.
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Citations
Following the path of a twin-arginine precursor along the TatABC translocase of Escherichia coli.
TL;DR: It is shown that the model Tat substrate TorA-PhoA is translocated by the TatABC translocase of Escherichia coli inner membrane vesicles, only if the PhoA moiety was allowed to fold by disulfide bond formation.
77
Consensus structural features of purified bacterial TatABC complexes.
Joanne Oates,Joanne E. Mathers,Dorothea Mangels,Werner Kühlbrandt,Colin Robinson,Kirstin Model +5 more
TL;DR: Despite low levels of sequence homology, the combined data indicate structural and functional conservation in the Tat systems of these three bacterial species.
73
Novel phenotypes of Escherichia coli tat mutants revealed by global gene expression and phenotypic analysis.
Bérengère Ize,Bérengère Ize,Ida Porcelli,Sacha Lucchini,Jay C. D. Hinton,Ben C. Berks,Tracey Palmer,Tracey Palmer +7 more
TL;DR: Ize et al. as mentioned in this paper used gene expression profiling of Escherichia coli supported by phenotypic analysis to investigate how cells respond to a defect in the Tat pathway and found that approximately 50% of the genes that were differentially expressed in the tatC mutant are linked to the envelope defect, with the products of many of these genes involved in self defense or protection mechanisms, including the production of exopolysaccharide.
71
Cysteine-scanning mutagenesis and disulfide mapping studies of the conserved domain of the twin-arginine translocase TatB component.
Philip A. Lee,George L. Orriss,Grant Buchanan,Nicholas P. Greene,Peter J. Bond,Claire Punginelli,Rachael L. Jack,Rachael L. Jack,Mark S.P. Sansom,Ben C. Berks,Tracy Palmer,Tracy Palmer +11 more
TL;DR: In this paper, the authors constructed 31 unique cysteine substitutions in the first 42 residues of TatB. Each of the substitutions results in a TatB protein that is competent to support Tatdependent protein translocation.
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Targeting of proteins to the twin-arginine translocation pathway
TL;DR: This review will summarise recent advances in understanding of Tat transport, focusing in particular on the roles played by Tat signal peptides in protein targeting and translocation.
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