Evidence map›Paper›PMID 27997184›Full record

ArticleThe journal of physical chemistry. B2017

Investigation of the Effect of Bilayer Composition on PKCα-C2 Domain Docking Using Molecular Dynamics Simulations.

Mohammad Alwarawrah, Jeff Wereszczynski

Abstract read
In one paragraph

Article in The journal of physical chemistry. B, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed
0.9field-weighted citation impact, top 25% of its field
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

18 citing papers in PubMed, 23 citations in OpenAlex.

  1. Article
  2. CaThe journal of physical chemistry. B · 2025
    Article
  3. Article
  4. Article
  5. Dynamic Formation of the Protein-Lipid Pre-fusion Complex.bioRxiv : the preprint server for biology · 2024
    Article
  6. Article
  7. Article
  8. Article
  9. Review
  10. Binding of CaStructure (London, England : 1993) · 2021
    Article
  11. Article
  12. Review
  13. Review
  14. Review
  15. Article
  16. Review
  17. Article
  18. 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 at 1 institution in 1 country.

Mohammad AlwarawrahDepartment of Physics and Center for Molecular Study of Condensed Soft Matter, Illinois Institute of Technology , Chicago 60616, Illinois, United States.
Jeff WereszczynskiDepartment of Physics and Center for Molecular Study of Condensed Soft Matter, Illinois Institute of Technology , Chicago 60616, Illinois, United States.ORCID 0000-0002-2218-3827
Illinois Institute of Technology · US

Funding

Probing the Structure/Function/Dynamics Relationship in Biomolecular Complexes With Multiscale Computational TechniquesR35GM119647 · NIGMS · ILLINOIS INSTITUTE OF TECHNOLOGY · PI WERESZCZYNSKI, JEFFERY · 2016 to 2025
$3.8M
NIGMS NIH HHS R35 GM119647
6 · The paper itself

Abstract

The protein kinase Cα (PKCα) enzyme is a member of a broad family of serine/threonine kinases, which are involved in varied cellular signaling pathways. The initial step of PKCα activation involves the C2 subunit docking with the cell membrane, which is followed by interactions of the C1 domains with diacylglycerol (DAG) in the membrane. Notably, the molecular mechanisms of these interactions remain poorly understood, especially what effects, if any, DAG may have on the initial C2 docking. To further understand this process, we have performed a series of conventional molecular dynamics simulations to systematically investigate the interaction between PKCα-C2 domains and lipid bilayers with different compositions to examine the effects of POPS, PIP2, and 1-palmitoyl-2-oleoyl-sn-glycerol (POG) on domain docking. Our results show that the PKCα-C2 domain does not interact with the bilayer surface in the absence of POPS and PIP2. In contrast, the inclusion of POPS and PIP2 to the bilayer resulted in strong domain docking in both perpendicular and parallel orientations, whereas the further inclusion of POG resulted in only parallel domain docking. In addition, lysine residues in the C2 domain formed hydrogen bonds with PIP2 molecule bilayers containing POG. These effects were further explored with umbrella sampling calculations to estimate the free energy of domain docking to the lipid bilayer in the presence of one or two PIP2 molecules. The results show that the binding of one or two PIP2 molecules is thermodynamically favorable, although stronger in bilayers lacking POG. However, in POG-containing bilayers, the binding mode of the C2 domain appears to be more flexible, which may have implications for activation of full-length PKCα. Together, our results shed new insights into the process of C2 bilayer binding and suggest new mechanisms for the roles of different phospholipids in the activation process of PKCα.

Indexed as

Molecular Dynamics SimulationLipid BilayersProtein Kinase C-alphaLipid BilayersProtein Kinase C-alpha

Identifiers

PMID27997184
PMCPMC5582975
OpenAlexW2559780342

What OpenQuestion holds

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LicenceTDM
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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.