Evidence map›Paper›PMID 20947017›Full record

ArticleStructure (London, England : 1993)2010

The structure of the talin/integrin complex at a lipid bilayer: an NMR and MD simulation study.

Antreas C Kalli, Kate L Wegener, Benjamin T Goult, Nicholas J Anthis, Iain D Campbell, Mark S P Sansom

Abstract read
In one paragraph

Article in Structure (London, England : 1993), 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 41 papers.

0numbers the graph read from it
0cells of the map it votes in
41citing 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

41 citing papers in PubMed.

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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

6 authors.

Antreas C KalliDepartment of Biochemistry, University of Oxford, South Parks Road, Oxford OX1 3QU, UK.
Kate L Wegener
Benjamin T Goult
Nicholas J Anthis
Iain D Campbell
Mark S P Sansom

Funding

Biotechnology and Biological Sciences Research Council B19456Biotechnology and Biological Sciences Research Council BB/H000267/1Biotechnology and Biological Sciences Research Council BBS/B/16011Biotechnology and Biological Sciences Research Council BEP17032Wellcome Trust
6 · The paper itself

Abstract

Integrins are cell surface receptors crucial for cell migration and adhesion. They are activated by interactions of the talin head domain with the membrane surface and the integrin β cytoplasmic tail. Here, we use coarse-grained molecular dynamic simulations and nuclear magnetic resonance spectroscopy to elucidate the membrane-binding surfaces of the talin head (F2-F3) domain. In particular, we show that mutations in the four basic residues (K258E, K274E, R276E, and K280E) in the F2 binding surface reduce the affinity of the F2-F3 for the membrane and modify its orientation relative to the bilayer. Our results highlight the key role of anionic lipids in talin/membrane interactions. Simulation of the F2-F3 in complex with the α/β transmembrane dimer reveals information for its orientation relative to the membrane. Our studies suggest that the perturbed orientation of talin relative to the membrane in the F2 mutant would be expected to in turn perturb talin/integrin interactions.

Indexed as

Amino Acid SequenceAnimalsBinding SitesHumansIntegrin beta1Lipid BilayersMagnetic Resonance SpectroscopyMembrane LipidsModels, MolecularMolecular Dynamics SimulationMolecular Sequence DataMultiprotein ComplexesMutationPlatelet Membrane Glycoprotein IIbProtein BindingProtein MultimerizationIntegrin beta1Lipid BilayersMembrane LipidsMultiprotein ComplexesPlatelet Membrane Glycoprotein IIbTalin

Identifiers

PMID20947017
PMCPMC3032884

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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.