Cited by 87Protein Structure and DynamicsAdvanced Physical and Chemical Molecular InteractionsRNA and protein synthesis mechanisms

Free-energy landscape of protein oligomerization from atomistic simulations

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Barducci, Alessandro, Bonomi, Massimiliano, Prakash, Meher K., Parrinello, Michele·2013·Proceedings of the National Academy of Sciences

Abstract

Significance: Oligomeric proteins, comprising two or more associating polypeptide chains, represent a large fraction of cellular proteins. In particular, many proteins self-associate into homooligomers to gain functional advantages. Our understanding of the oligomerization at the molecular level is currently limited because intermediates that occur in the process are short-lived in most occasions, precluding a direct experimental characterization. Using molecular dynamics simulations, enhanced by a sampling method developed in our group, we obtained an atomistic description of the assembly of an evolutionary-optimized trimeric protein. Our results are in excellent agreement with available experimental data and extend the current view of oligomerization by showing the importance of the apparently contradictory requirements of monomer preorganization and conformational flexibility.

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Crossref · 10.1073/pnas.1320077110

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  • Metadynamics methods have been successfully applied to study free energy landscapes of flexible proteins, protein oligomers, peptide folding, ligand and selective ion permeation through membrane channels.

    “These methods alone, or in combination with high-resolution experimental techniques such as x-ray crystallography and NMR, have been successfully applied to the study of the free energy landscape of flexible proteins and protein oligomers,36,388–389 peptide folding,390–392 ligand and selective ion permeation through cell membrane protein channels.393”

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Authors
Barducci, A., Bonomi, M., Prakash, M. K., & Parrinello, M.
Affiliations
  • ETH Zurich (CH)
  • QB3 (US)
  • Università della Svizzera italiana (CH)
Venue
Proceedings of the National Academy of Sciences
Published
2013-11-18
Volume
110
Issue
49
Pages
E4708-13
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2157336498
Cited by
87
References
48
Citations by year
2026: 2 · 2025: 3 · 2024: 2 · 2023: 3 · 2022: 11 · 2021: 9 · 2020: 3 · 2019: 5 · 2018: 9 · 2017: 11 · 2016: 11 · 2015: 9 · 2014: 9
FWCI
4.33
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Infoscience (Ecole Polytechnique Fédérale de Lausanne) (submittedVersion)
  • Infoscience (Ecole Polytechnique Fédérale de Lausanne) (submittedVersion, cc-by-nc-nd)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Structure and Dynamics
  • Physical Sciences › Chemistry › Physical and Theoretical Chemistry › Advanced Physical and Chemical Molecular Interactions
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA and protein synthesis mechanisms
Keywords
protein oligomerization, free energy landscape, protein-protein interaction, homo-oligomers, trimerization, transient intermediates, non-specific interactions, conformational disorder, metadynamics, parallel tempering
MeSH terms
Biophysics, Models, Molecular, Protein Conformation, Proteins, Protein Folding, Evolution, Molecular, Molecular Dynamics Simulation, Polymerization

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