Evidence map›Paper›PMID 12944269›Full record

ArticleBiophysical journal2003

Investigating lipid composition effects on the mechanosensitive channel of large conductance (MscL) using molecular dynamics simulations.

Donald E Elmore, Dennis A Dougherty

Abstract read
In one paragraph

Article in Biophysical journal, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 39 papers.

0numbers the graph read from it
0cells of the map it votes in
39citing 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

39 citing papers in PubMed.

  1. Article
  2. Synthetic cells in biomedical applications.Wiley interdisciplinary reviews. Nanomedicine and nanobiotechnology · 2022
    Review
  3. Article
  4. Article
  5. When Stiffness Matters: Mechanosensing in Heart Development and Disease.Frontiers in cell and developmental biology · 2020
    Review
  6. Review
  7. Article
  8. Review
  9. Article
  10. Article
  11. Article
  12. Article
  13. Article
  14. Article
  15. Article
  16. Article
  17. Review
  18. Article
  19. Article
  20. An in vivo screen reveals protein-lipid interactions crucial for gating a mechanosensitive channel.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2011
    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

2 authors.

Donald E ElmoreDivision of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, California 91125, USA.
Dennis A Dougherty

Funding

STRUCTURE AND FUNCTION OF MECHANOSENSITIVE ION CHANNELSP01GM062532 · NIGMS · CALIFORNIA INSTITUTE OF TECHNOLOGY · PI DOUGHERTY, DENNIS A · 2000 to 2004
$4.5M
NIGMS NIH HHS GM62532NIGMS NIH HHS P01 GM062532
6 · The paper itself

Abstract

Previous experimental work has shown that the functional properties of the mechanosensitive channel of large conductance (MscL) are affected by variations in lipid composition. Here, we utilize molecular dynamics simulations of Mycobacterium tuberculosis MscL to investigate such lipid composition effects on a molecular level. In particular, two sets of simulations were performed. In the first, trajectories using lipids with different headgroups (phosphatidylcholine and phosphatidylethanolamine) were compared. Protein-lipid interactions were clearly altered by the headgroup changes, leading to conformational differences in the C-terminal region of M. tuberculosis MscL. In the second set of simulations, lipid tails were gradually shortened, thinning the membrane over a molecular dynamics trajectory. These simulations showed evidence of hydrophobic matching between MscL and the lipid membrane, as previously proposed. For all simulations, protein-lipid interaction energies in the second transmembrane region were correlated to mutagenic data, emphasizing the importance of lipid interactions for proper MscL function.

Indexed as

Biophysical PhenomenaBiophysicsComputer SimulationCrystallography, X-RayEscherichia coliEscherichia coli ProteinsIon ChannelsLipid BilayersLipidsModels, BiologicalModels, MolecularMolecular ConformationMutagenesisMycobacterium tuberculosisPhosphatidylcholinesPhosphatidylethanolamines1-palmitoyl-2-oleoylphosphatidylcholine1-palmitoyl-2-oleoylphosphatidylethanolamineEscherichia coli ProteinsIon ChannelsLipid BilayersLipidsMscL protein, E coliPhosphatidylcholinesPhosphatidylethanolaminesProteins

Identifiers

PMID12944269
PMCPMC1303328

What OpenQuestion holds

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Read underepoch 390

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.