Evidence map›Paper›PMID 21173271›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2011

Experimental support for the evolution of symmetric protein architecture from a simple peptide motif.

Jihun Lee, Michael Blaber

Abstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 51 papers.

0numbers the graph read from it
0cells of the map it votes in
51citing 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

51 citing papers in PubMed.

  1. Article
  2. Article
  3. Article
  4. From duplication to fusion: Expanding Dayhoff's model of protein evolution.Protein science : a publication of the Protein Society · 2025
    Review
  5. Review
  6. Article
  7. Article
  8. Review
  9. Article
  10. Article
  11. Peptide-RNA Coacervates as a Cradle for the Evolution of Folded Domains.Journal of the American Chemical Society · 2022
    Article
  12. Mechanisms of protein evolution.Protein science : a publication of the Protein Society · 2022
    Review
  13. Article
  14. Article
  15. Article
  16. Article
  17. Article
  18. Article
  19. Evolution of a σ-(c-di-GMP)-anti-σ switch.Proceedings of the National Academy of Sciences of the United States of America · 2021
    Article
  20. Cooperative hydrophobic core interactions in the β-trefoil architecture.Protein science : a publication of the Protein Society · 2021
    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.

Jihun LeeDepartment of Biomedical Sciences, Florida State University, Tallahassee FL 32306-4300, USA.
Michael Blaber

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The majority of protein architectures exhibit elements of structural symmetry, and "gene duplication and fusion" is the evolutionary mechanism generally hypothesized to be responsible for their emergence from simple peptide motifs. Despite the central importance of the gene duplication and fusion hypothesis, experimental support for a plausible evolutionary pathway for a specific protein architecture has yet to be effectively demonstrated. To address this question, a unique "top-down symmetric deconstruction" strategy was utilized to successfully identify a simple peptide motif capable of recapitulating, via gene duplication and fusion processes, a symmetric protein architecture (the threefold symmetric β-trefoil fold). The folding properties of intermediary forms in this deconstruction agree precisely with a previously proposed "conserved architecture" model for symmetric protein evolution. Furthermore, a route through foldable sequence-space between the simple peptide motif and extant protein fold is demonstrated. These results provide compelling experimental support for a plausible evolutionary pathway of symmetric protein architecture via gene duplication and fusion processes.

Indexed as

Evolution, MolecularModels, GeneticModels, MolecularProtein ConformationAmino Acid MotifsCalorimetry, Differential ScanningChromatography, GelCrystallography, X-RayGene DuplicationMolecular Sequence DataMutagenesisPeptidesProtein FoldingUltracentrifugationPeptides

Identifiers

PMID21173271
PMCPMC3017207

What OpenQuestion holds

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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.