Evidence map›Paper›PMID 21317895›Full record

ArticleNature structural & molecular biology2011

The hidden energetics of ligand binding and activation in a glutamate receptor.

Albert Y Lau, Benoît Roux

Open access · greenAbstract read
In one paragraph

Article in Nature structural & molecular biology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 69 papers.

0numbers the graph read from it
0cells of the map it votes in
69citing papers in PubMed
4.4field-weighted citation impact, top 4% 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

69 citing papers in PubMed, 114 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. Article
  5. Allosteric Competition and Inhibition in AMPA Receptors.bioRxiv : the preprint server for biology · 2023
    Article
  6. Article
  7. Article
  8. Review
  9. Review
  10. Article
  11. Article
  12. Article
  13. Review
  14. Review
  15. Article
  16. Article
  17. Article
  18. Article
  19. Article
  20. Article

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

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

2 authors at 1 institution in 1 country.

Albert Y LauDepartment of Biochemistry and Molecular Biology, The University of Chicago, Chicago, IL, USA.
Benoît Roux
University of Chicago · US

Funding

Computational Studies of Ion Channels - Resubmission 01R01GM062342 · NIGMS · WEILL MEDICAL COLLEGE OF CORNELL UNIV · PI ROUX, BENOIT · 2001 to 2022
$8.7M
Structural dynamics and function of the glutamate receptor ligand-binding domainR01GM094495 · NIGMS · UNIVERSITY OF CHICAGO · PI LAU, ALBERT Y · 2010 to 2013
$1.0M
NIGMS NIH HHS GM062342NIGMS NIH HHS R01 GM062342NIGMS NIH HHS R01 GM094495
6 · The paper itself

Abstract

Ionotropic glutamate receptors (iGluRs) are ligand-gated ion channels that mediate most excitatory synaptic transmission in the central nervous system. The free energy of neurotransmitter binding to the ligand-binding domains (LBDs) of iGluRs is converted into useful work to drive receptor activation. We have computed the principal thermodynamic contributions from ligand docking and ligand-induced closure of LBDs for nine ligands of GluA2 using all-atom molecular dynamics free energy simulations. We have validated the results by comparison with experimentally measured apparent affinities to the isolated LBD. Features in the free energy landscapes that govern closure of LBDs are key determinants of binding free energies. An analysis of accessible LBD conformations transposed into the context of an intact GluA2 receptor revealed that the relative displacement of specific diagonal subunits in the tetrameric structure may be key to the action of partial agonists.

Indexed as

AnimalsBinding SitesExcitatory Amino Acid AgonistsLigandsModels, MolecularProtein BindingProtein ConformationProtein Structure, TertiaryRatsReceptors, GlutamateThermodynamicsExcitatory Amino Acid AgonistsLigandsReceptors, Glutamate

Identifiers

PMID21317895
PMCPMC3075596
OpenAlexW2003734403

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.