Cited by 2,293Protein Structure and DynamicsRNA and protein synthesis mechanismsProtein purification and stability

From Levinthal to pathways to funnels

Dill, Ken A., Chan, Hue Sun·1997·Nature Structural & Molecular Biology

Abstract

While the classical view of protein folding kinetics relies on phenomenological models, and regards folding intermediates in a structural way, the new view emphasizes the ensemble nature of protein conformations. Although folding has sometimes been regarded as a linear sequence of events, the new view sees folding as parallel microscopic multi-pathway diffusion-like processes. While the classical view invoked pathways to solve the problem of searching for the needle in the haystack, the pathway idea was then seen as conflicting with Anfinsen's experiments showing that folding is pathway-independent (Levinthal's paradox). In contrast, the new view sees no inherent paradox because it eliminates the pathway idea: folding can funnel to a single stable state by multiple routes in conformational space. The general energy landscape picture provides a conceptual framework for understanding both two-state and multi-state folding kinetics. Better tests of these ideas will come when new experiments become available for measuring not just averages of structural observables, but also correlations among their fluctuations. At that point we hope to learn much more about the real shapes of protein folding landscapes.

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Crossref · 10.1038/nsb0197-10

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Authors
Dill, K. A., & Chan, H. S.
Affiliations
University of California, San Francisco (US)
Venue
Nature Structural & Molecular Biology
Published
1997-01
Volume
4
Issue
1
Pages
10-19
ISSN
  • 1545-9985 (ISSN-L)
  • 1545-9993
OpenAlex
W2014095962
Cited by
2,293
References
111
Citations by year
2026: 31 · 2025: 40 · 2024: 40 · 2023: 41 · 2022: 46 · 2021: 61 · 2020: 62 · 2019: 51 · 2018: 68 · 2017: 84 · 2016: 86 · 2015: 74 · 2014: 94 · 2013: 104 · 2012: 91
FWCI
7.44
Type
journal article
Language
en
Open access
closed
Locations
  • Nature Structural & Molecular Biology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Structure and Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA and protein synthesis mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein purification and stability
Keywords
protein folding kinetics, Levinthal's paradox, folding pathways, folding funnel, energy landscape, conformational ensembles, folding intermediates, two-state folding, conformational space
MeSH terms
Kinetics, Models, Chemical, Protein Folding

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