3dpp Citations

Allosteric coupling between the lid and interdomain linker in DnaK revealed by inhibitor binding studies.

J Bacteriol 191 1456-62 (2009)
Related entries: 3dpo, 3dpq

Cited: 45 times
EuropePMC logo PMID: 19103929

Abstract

The molecular chaperone DnaK assists protein folding and refolding, translocation across membranes, and regulation of the heat shock response. In Escherichia coli, the protein is a target for insect-derived antimicrobial peptides, pyrrhocoricins. We present here the X-ray crystallographic analysis of the E. coli DnaK substrate-binding domain in complex with pyrrhocoricin-derived peptide inhibitors. The structures show that pyrrhocoricins act as site-specific, dual-mode (competitive and allosteric) inhibitors, occupying the substrate-binding tunnel and disrupting the latch between the lid and the beta-sandwich. Our structural analysis revealed an allosteric coupling between the movements of the lid and the interdomain linker, identifying a previously unknown mechanism of the lid-mediated regulation of the chaperone cycle.

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  2. Allosteric coupling between the lid and interdomain linker in DnaK revealed by inhibitor binding studies. Liebscher M, Roujeinikova A. J Bacteriol 191 1456-1462 (2009)
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Reviews citing this publication (5)

  1. Proline-rich antimicrobial peptides: converging to a non-lytic mechanism of action. Scocchi M, Tossi A, Gennaro R. Cell Mol Life Sci 68 2317-2330 (2011)
  2. HSPA5 Gene encoding Hsp70 chaperone BiP in the endoplasmic reticulum. Wang J, Lee J, Liem D, Ping P. Gene 618 14-23 (2017)
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  5. The Link That Binds: The Linker of Hsp70 as a Helm of the Protein's Function. Chakafana G, Zininga T, Shonhai A. Biomolecules 9 E543 (2019)

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  13. Conformational selection in substrate recognition by Hsp70 chaperones. Marcinowski M, Rosam M, Seitz C, Elferich J, Behnke J, Bello C, Feige MJ, Becker CF, Antes I, Buchner J. J Mol Biol 425 466-474 (2013)
  14. BiPPred: Combined sequence- and structure-based prediction of peptide binding to the Hsp70 chaperone BiP. Schneider M, Rosam M, Glaser M, Patronov A, Shah H, Back KC, Daake MA, Buchner J, Antes I. Proteins 84 1390-1407 (2016)
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  18. A Local Allosteric Network in Heat Shock Protein 70 (Hsp70) Links Inhibitor Binding to Enzyme Activity and Distal Protein-Protein Interactions. Rinaldi S, Assimon VA, Young ZT, Morra G, Shao H, Taylor IR, Gestwicki JE, Colombo G. ACS Chem Biol 13 3142-3152 (2018)
  19. Novel Entropically Driven Conformation-specific Interactions with Tomm34 Protein Modulate Hsp70 Protein Folding and ATPase Activities. Durech M, Trcka F, Man P, Blackburn EA, Hernychova L, Dvorakova P, Coufalova D, Kavan D, Vojtesek B, Muller P. Mol Cell Proteomics 15 1710-1727 (2016)
  20. Absence of in vitro innate immunomodulation by insect-derived short proline-rich antimicrobial peptides points to direct antibacterial action in vivo. Fritsche S, Knappe D, Berthold N, von Buttlar H, Hoffmann R, Alber G. J Pept Sci 18 599-608 (2012)
  21. Mechanism of Escherichia coli resistance to Pyrrhocoricin. Narayanan S, Modak JK, Ryan CS, Garcia-Bustos J, Davies JK, Roujeinikova A. Antimicrob Agents Chemother 58 2754-2762 (2014)
  22. Rational design of novel peptidic DnaK ligands. Liebscher M, Haupt K, Yu C, Jahreis G, Lücke C, Schiene-Fischer C. Chembiochem 11 1727-1737 (2010)
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  26. An unexpected second binding site for polypeptide substrates is essential for Hsp70 chaperone activity. Li H, Zhu H, Sarbeng EB, Liu Q, Tian X, Yang Y, Lyons C, Zhou L, Liu Q. J Biol Chem 295 584-596 (2020)
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  28. Computationally-Aided Modeling of Hsp70-Client Interactions: Past, Present, and Future. Nordquist EB, Clerico EM, Chen J, Gierasch LM. J Phys Chem B 126 6780-6791 (2022)
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