Evidence map›Paper›PMID 25061212›Full record

ArticleScience (New York, N.Y.)2014

Mechanism of actin filament pointed-end capping by tropomodulin.

Jampani Nageswara Rao, Yadaiah Madasu, Roberto Dominguez

Open access · greenAbstract read
In one paragraph

Article in Science (New York, N.Y.), 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 82 papers.

0numbers the graph read from it
0cells of the map it votes in
82citing papers in PubMed
6.9field-weighted citation impact, top 2% 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

82 citing papers in PubMed, 112 citations in OpenAlex.

  1. Article
  2. Article
  3. Localization and functional exploration of leiomodin-2's C-terminal binding sites.Biochimica et biophysica acta. Proteins and proteomics · 2026
    Article
  4. Article
  5. Article
  6. Review
  7. Article
  8. Article
  9. Article
  10. Article
  11. Article
  12. Article
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  14. Article
  15. Article
  16. Article
  17. Mechanisms of actin disassembly and turnover.The Journal of cell biology · 2023
    Review
  18. Article
  19. Article
  20. Article

22 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

3 authors at 1 institution in 1 country.

Jampani Nageswara RaoDepartment of Physiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA.
Yadaiah MadasuDepartment of Physiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA.
Roberto DominguezDepartment of Physiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA. droberto@mail.med.upenn.edu.
University of Pennsylvania · US

Funding

Structural-Functional Basis of Actin Cytoskeleton DynamicsR01GM073791 · NIGMS · UNIVERSITY OF PENNSYLVANIA · PI DOMINGUEZ, ROBERTO · 2005 to 2025
$7.0M
NIGMS NIH HHS R01 GM073791NIGMS NIH HHS Y01 GM000080
6 · The paper itself

Abstract

Proteins that cap the ends of the actin filament are essential regulators of cytoskeleton dynamics. Whereas several proteins cap the rapidly growing barbed end, tropomodulin (Tmod) is the only protein known to cap the slowly growing pointed end. The lack of structural information severely limits our understanding of Tmod's capping mechanism. We describe crystal structures of actin complexes with the unstructured amino-terminal and the leucine-rich repeat carboxy-terminal domains of Tmod. The structures and biochemical analysis of structure-inspired mutants showed that one Tmod molecule interacts with three actin subunits at the pointed end, while also contacting two tropomyosin molecules on each side of the filament. We found that Tmod achieves high-affinity binding through several discrete low-affinity interactions, which suggests a mechanism for controlled subunit exchange at the pointed end.

Indexed as

Actin CytoskeletonActinsAmino Acid SequenceAnimalsCrystallography, X-RayHumansMolecular Sequence DataMutationProtein BindingProtein Structure, SecondaryProtein Structure, TertiaryRabbitsTropomodulinActinsTMOD1 protein, humanTropomodulin

Identifiers

PMID25061212
PMCPMC4367809
OpenAlexW1980366284

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.