Evidence map›Paper›PMID 31031888›Full record

ArticleNano research2015

Structural analysis of a nanoparticle containing a lipid bilayer used for detergent-free extraction of membrane proteins.

Mohammed Jamshad, Vinciane Grimard, Ilaria Idini, Tim J Knowles, Miriam R Dowle, Naomi Schofield, Pooja Sridhar, Yu-Pin Lin, Rachael Finka, Mark Wheatley and 7 more

Abstract read
In one paragraph

Article in Nano research, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 80 papers.

0numbers the graph read from it
0cells of the map it votes in
80citing papers in PubMed
6.4field-weighted citation impact, top 3% 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

80 citing papers in PubMed, 195 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. Review
  5. Amphiphilic Copolymers and Their Role in the Study of Membrane Proteins.The journal of physical chemistry letters · 2025
    Review
  6. Article
  7. Article
  8. Article
  9. Review
  10. Article
  11. Methods for Engineering Binders to Multi-Pass Membrane Proteins.Bioengineering (Basel, Switzerland) · 2023
    Review
  12. Sulfonated polystyrenes: pH and MgEuropean polymer journal · 2023
    Article
  13. Article
  14. Article
  15. Article
  16. Article
  17. Article
  18. Article
  19. Article
  20. Article

20 more citing papers are in PubMed but not listed here.

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

17 authors at 3 institutions in 2 countries.

Mohammed Jamshad *School of Biosciences, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK.
Vinciane Grimard *Université Libre de Bruxelles, SFMB - CP206/2, Bd. du Triomphe, Accès 2 1050, Bruxelles, Belgium.
Ilaria Idini *Department of Chemistry, University of Bath, Claverton Down, Bath, BA2 7AY, UK.
Tim J Knowles *School of Cancer Studies, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK.
Miriam R DowleSchool of Chemical Engineering, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK.
Naomi SchofieldSchool of Biosciences, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK.
Pooja SridharSchool of Cancer Studies, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK.
Yu-Pin LinSchool of Biosciences, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK.
Rachael FinkaSchool of Biosciences, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK.
Mark WheatleySchool of Biosciences, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK.
Owen R ThomasSchool of Chemical Engineering, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK.
Richard E PalmerNanoscale Physics Research Laboratory, School of Physics and Astronomy, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK.
Michael OverduinSchool of Cancer Studies, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK.
Cédric GovaertsUniversité Libre de Bruxelles, SFMB - CP206/2, Bd. du Triomphe, Accès 2 1050, Bruxelles, Belgium.
Jean-Marie RuysschaertUniversité Libre de Bruxelles, SFMB - CP206/2, Bd. du Triomphe, Accès 2 1050, Bruxelles, Belgium.
Karen J EdlerDepartment of Chemistry, University of Bath, Claverton Down, Bath, BA2 7AY, UK.
Tim R DaffornSchool of Biosciences, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK.
University of Birmingham · GBUniversité Libre de Bruxelles · BEUniversity of Bath · GB

Funding

Biotechnology and Biological Sciences Research Council BB/G010412/1
6 · The paper itself

Abstract

In the past few years there has been a growth in the use of nano-particles for stabilizing lipid membranes with embedded proteins. These bionanoparticles provide a solution to the challenging problem of membrane protein isolation by maintaining a lipid bilayer essential to protein integrity and activity. We have described the use of an amphipathic polymer (Poly(styrene-co-maleic acid); SMA) to produce discoidal nanoparticles that contain a lipid bilayer with embedded protein. However the structure of the nanoparticle itself has not yet been determined. This leaves a major gap in understanding how the SMA stabilizes the encapsulated bilayer and how the bilayer relates physically and structurally to an unecapsulated lipid bilayer. In this paper we address this issue by describing the structure of the SMA Lipid Particle (SMALP) using data from small angle neutron scattering (SANS), electron microscopy (EM), attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR), differential scanning calorimetry (DSC) and nuclear magnetic resonance spectroscopy (NMR). We show that the particle is disc shaped containing a polymer "bracelet" encircling the lipid bilayer. The structure and orientation of the individual components within the bilayer and polymer are determined showing that styrene moieties within SMA intercalate between the lipid acyl chains. The dimensions of the encapsulated bilayer are also determined and match those measured for a natural membrane. Taken together, the description of structure of the SMALP forms the foundation of future development and applications of SMALPs in membrane protein production and analysis.

Indexed as

detergentlipidmembrane proteinsnanoparticlespolymerstructure

Identifiers

PMID31031888
PMCPMC6485620
OpenAlexW2089587226

What OpenQuestion holds

Textmetadata
LicenceTDM
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.