Evidence map›Paper›PMID 18311152›Full record

ArticleNature structural & molecular biology2008

GroEL stimulates protein folding through forced unfolding.

Zong Lin, Damian Madan, Hays S Rye

Open access · greenAbstract read
In one paragraph

Article in Nature structural & molecular biology, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 78 papers.

0numbers the graph read from it
0cells of the map it votes in
78citing papers in PubMed
6.1field-weighted citation impact, top 3% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

78 citing papers in PubMed, 156 citations in OpenAlex.

  1. Article
  2. Review
  3. Article
  4. Structural basis of substrate progression through the bacterial chaperonin cycle.Proceedings of the National Academy of Sciences of the United States of America · 2023
    Article
  5. Article
  6. A proteome-wide map of chaperone-assisted protein refolding in a cytosol-like milieu.Proceedings of the National Academy of Sciences of the United States of America · 2022
    Article
  7. A diminished hydrophobic effect inside the GroEL/ES cavity contributes to protein substrate destabilization.Proceedings of the National Academy of Sciences of the United States of America · 2022
    Article
  8. Article
  9. Article
  10. Heterologous expression of naturally evolved putative de novo proteins with chaperones.Protein science : a publication of the Protein Society · 2022
    Article
  11. Review
  12. Article
  13. Article
  14. Article
  15. Review
  16. Redefining Molecular Chaperones as Chaotropes.Frontiers in molecular biosciences · 2021
    Review
  17. Review
  18. Review
  19. Article
  20. Article

18 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

3 authors at 1 institution in 1 country.

Zong LinDepartment of Molecular Biology, Princeton University, Schultz Laboratory, Princeton, New Jersey 08544, USA.
Damian Madan
Hays S Rye
Princeton University · US

Funding

Mechanisms of Chaperonin-Mediated Protein FoldingR01GM065421 · NIGMS · TEXAS A&M UNIVERSITY · PI RYE, HAYS S · 2003 to 2013
$2.5M
NIGMS NIH HHS GM065421NIGMS NIH HHS R01 GM065421
6 · The paper itself

Abstract

Many proteins cannot fold without the assistance of chaperonin machines like GroEL and GroES. The nature of this assistance, however, remains poorly understood. Here we demonstrate that unfolding of a substrate protein by GroEL enhances protein folding. We first show that capture of a protein on the open ring of a GroEL-ADP-GroES complex, GroEL's physiological acceptor state for non-native proteins in vivo, leaves the substrate protein in an unexpectedly compact state. Subsequent binding of ATP to the same GroEL ring causes rapid, forced unfolding of the substrate protein. Notably, the fraction of the substrate protein that commits to the native state following GroES binding and protein release into the GroEL-GroES cavity is proportional to the extent of substrate-protein unfolding. Forced protein unfolding is thus a central component of the multilayered stimulatory mechanism used by GroEL to drive protein folding.

Indexed as

Protein FoldingAdenosine DiphosphateAdenosine TriphosphateApoproteinsChaperonin 60CysteineModels, BiologicalPeptide HydrolasesProtein BindingProtein ConformationRibulose-Bisphosphate CarboxylaseAdenosine DiphosphateAdenosine TriphosphateApoproteinsChaperonin 60CysteinePeptide HydrolasesRibulose-Bisphosphate Carboxylase

Identifiers

PMID18311152
PMCPMC3744391
OpenAlexW2020601933

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.