Evidence map›Paper›PMID 25140434›Full record

ArticleBiophysical journal2014

Functional dynamics of hexameric helicase probed by hydrogen exchange and simulation.

Gaël Radou, Frauke N Dreyer, Roman Tuma, Emanuele Paci

Abstract read
In one paragraph

Article in Biophysical journal, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing 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

11 citing papers in PubMed.

  1. Review
  2. Review
  3. Article
  4. Article
  5. Article
  6. Article
  7. Native State of Complement Protein C3d Analysed via Hydrogen Exchange and Conformational Sampling.International journal of computational biology and drug design · 2018
    Article
  8. Ligand-induced allostery in the interaction of theProceedings of the National Academy of Sciences of the United States of America · 2017
    Article
  9. Conformational dynamics of a neurotransmitter:sodium symporter in a lipid bilayer.Proceedings of the National Academy of Sciences of the United States of America · 2017
    Article
  10. Article
  11. Article
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

4 authors.

Gaël RadouAstbury Centre for Structural Molecular Biology, University of Leeds, Leeds, United Kingdom.
Frauke N DreyerAstbury Centre for Structural Molecular Biology, University of Leeds, Leeds, United Kingdom.
Roman TumaAstbury Centre for Structural Molecular Biology, University of Leeds, Leeds, United Kingdom. Electronic address: r.tuma@leeds.ac.uk.
Emanuele PaciAstbury Centre for Structural Molecular Biology, University of Leeds, Leeds, United Kingdom. Electronic address: e.paci@leeds.ac.uk.

Funding

Wellcome TrustWellcome Trust 096686/Z/11/Z
6 · The paper itself

Abstract

The biological function of large macromolecular assemblies depends on their structure and their dynamics over a broad range of timescales; for this reason, it is a significant challenge to investigate these assemblies using conventional experimental techniques. One of the most promising experimental techniques is hydrogen-deuterium exchange detected by mass spectrometry. Here, we describe to our knowledge a new computational method for quantitative interpretation of deuterium exchange kinetics and apply it to a hexameric viral helicase P4 that unwinds and translocates RNA into a virus capsid at the expense of ATP hydrolysis. Room-temperature dynamics probed by a hundred nanoseconds of all-atom molecular dynamics simulations is sufficient to predict the exchange kinetics of most sequence fragments and provide a residue-level interpretation of the low-resolution experimental results. The strategy presented here is also a valuable tool to validate experimental data, e.g., assignments, and to probe mechanisms that cannot be observed by x-ray crystallography, or that occur over timescales longer than those that can be realistically simulated, such as the opening of the hexameric ring.

Indexed as

Computer SimulationAlgorithmsCystoviridaeDeuteriumDeuterium Exchange MeasurementHydrogenKineticsMass SpectrometryMolecular Dynamics SimulationRNA HelicasesTemperatureViral ProteinsDeuteriumHydrogenRNA HelicasesViral Proteins

Identifiers

PMID25140434
PMCPMC4142241

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.