Cited by 25Heat shock proteins researchProtein Structure and DynamicsATP Synthase and ATPases Research

Sequential allosteric mechanism of ATP hydrolysis by the CCT/TRiC chaperone is revealed through Arrhenius analysis

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Gruber, Ranit, Levitt, Michael, Horovitz, Amnon·2017·Proceedings of the National Academy of Sciences

Abstract

Knowing the mechanism of allosteric switching is important for understanding how molecular machines work. The CCT/TRiC chaperonin nanomachine undergoes ATP-driven conformational changes that are crucial for its folding function. Here, we demonstrate that insight into its allosteric mechanism of ATP hydrolysis can be achieved by Arrhenius analysis. Our results show that ATP hydrolysis triggers sequential ‟conformational waves." They also suggest that these waves start from subunits CCT6 and CCT8 (or CCT3 and CCT6) and proceed clockwise and counterclockwise, respectively.

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Crossref · 10.1073/pnas.1617746114

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26 of 26 references verified0 citation errors · 0 not checkable

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  • The intraring conformational changes in CCT/TRiC associated with ATP hydrolysis are sequential.

    “A different approach based on an Arrhenius analysis of ATP hydrolysis by the group II chaperonin CCT/ TRiC, the eukaryotic homolog of GroEL, revealed that the intraring conformational changes in this protein associated with ATP hydrolysis are sequential (Gruber et al., 2017).”

    From Allostery in Its Many Disguises: From Theory to Applications (2019) · cites this paper as Gruber et al., 2017

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Authors
Gruber, R., Levitt, M., & Horovitz, A.
Affiliations
  • Weizmann Institute of Science (IL)
  • Stanford Medicine (US)
Venue
Proceedings of the National Academy of Sciences
Published
2017-05
Volume
114
Issue
20
Pages
5189-5194
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2610194091
Cited by
25
References
26
Citations by year
2025: 1 · 2024: 1 · 2023: 1 · 2022: 3 · 2021: 4 · 2020: 4 · 2019: 3 · 2018: 6 · 2017: 2
FWCI
1.67
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion, other-oa)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Israel Science Foundation (158/12)
  • NIH (GM1157490)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Heat shock proteins research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Structure and Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › ATP Synthase and ATPases Research
Keywords
ATP hydrolysis, allosteric mechanism, Arrhenius analysis, CCT8, CCT3, CCT6A, protein folding
MeSH terms
Adenosine Triphosphate, Allosteric Regulation, Hydrolysis, Models, Molecular, Protein Conformation, Saccharomyces cerevisiae, Protein Folding, Chaperonins, Protein Subunits, Saccharomyces cerevisiae Proteins, Chaperonin Containing TCP-1

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