Evidence map›Paper›PMID 33623120›Full record

ArticleCommunications biology2021

Full structural ensembles of intrinsically disordered proteins from unbiased molecular dynamics simulations.

Utsab R Shrestha, Jeremy C Smith, Loukas Petridis

Abstract read
In one paragraph

Article in Communications biology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 48 papers.

0numbers the graph read from it
0cells of the map it votes in
48citing papers in PubMed
–field-weighted citation impact
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

48 citing papers in PubMed.

  1. Review
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  9. Sizes, conformational fluctuations, and SAXS profiles for intrinsically disordered proteins.Protein science : a publication of the Protein Society · 2025
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  11. Review
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  17. Intrinsically disordered region amplifies membrane remodeling to augment selective ER-phagy.Proceedings of the National Academy of Sciences of the United States of America · 2024
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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.

Utsab R ShresthaOak Ridge National Laboratory, Biosciences Division, UT/ORNL Center for Molecular Biophysics, Oak Ridge, TN, USA.
Jeremy C SmithOak Ridge National Laboratory, Biosciences Division, UT/ORNL Center for Molecular Biophysics, Oak Ridge, TN, USA.
Loukas PetridisOak Ridge National Laboratory, Biosciences Division, UT/ORNL Center for Molecular Biophysics, Oak Ridge, TN, USA. petridisl@ornl.gov.ORCID 0000-0001-8569-060X

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Molecular dynamics (MD) simulation is widely used to complement ensemble-averaged experiments of intrinsically disordered proteins (IDPs). However, MD often suffers from limitations of inaccuracy. Here, we show that enhancing the sampling using Hamiltonian replica-exchange MD (HREMD) led to unbiased and accurate ensembles, reproducing small-angle scattering and NMR chemical shift experiments, for three IDPs of varying sequence properties using two recently optimized force fields, indicating the general applicability of HREMD for IDPs. We further demonstrate that, unlike HREMD, standard MD can reproduce experimental NMR chemical shifts, but not small-angle scattering data, suggesting chemical shifts are insufficient for testing the validity of IDP ensembles. Surprisingly, we reveal that despite differences in their sequence, the inter-chain statistics of all three IDPs are similar for short contour lengths (< 10 residues). The results suggest that the major hurdle of generating an accurate unbiased ensemble for IDPs has now been largely overcome.

Indexed as

Molecular Dynamics SimulationHistatinsIntrinsically Disordered ProteinsLightNeutron DiffractionNuclear Magnetic Resonance, BiomolecularProtein ConformationProto-Oncogene Protein c-fli-1Reproducibility of ResultsScattering, Small AngleStructure-Activity RelationshipHistatinsIntrinsically Disordered ProteinsProto-Oncogene Protein c-fli-1

Identifiers

PMID33623120
PMCPMC7902620

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Registered trials

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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.