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Related Concept Videos

Protein Dynamics in Living Cells01:19

Protein Dynamics in Living Cells

Different fluorescence-based techniques are used to study the protein dynamics in living cells. These techniques include FRAP, FRET, and PET.
Fluorescent recovery after photobleaching (FRAP) is a fluorescent-protein-based detection technique used to quantify protein movement rates within the cell. This method exposes a small portion of the cell to an intense laser beam. The laser beam causes permanent photobleaching of the fluorophore-tagged proteins in the exposed region. As the bleached...

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Related Experiment Video

Updated: May 20, 2026

Investigating Protein Sequence-structure-dynamics Relationships with Bio3D-web
09:51

Investigating Protein Sequence-structure-dynamics Relationships with Bio3D-web

Published on: July 16, 2017

Measuring and comparing structural fluctuation patterns in large protein datasets.

Edvin Fuglebakk1, Julián Echave, Nathalie Reuter

  • 1Department of Informatics, University of Bergen, Pb. 7803, N-5020 Bergen, Norway.

Bioinformatics (Oxford, England)
|July 17, 2012
PubMed
Summary
This summary is machine-generated.

Protein dynamics, measured by fluctuation patterns, are evolutionarily conserved. New scoring methods reveal that considering fluctuation directions and correlations is key to understanding protein motion conservation.

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Analyzing Large Protein Complexes by Structural Mass Spectrometry
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Related Experiment Videos

Last Updated: May 20, 2026

Investigating Protein Sequence-structure-dynamics Relationships with Bio3D-web
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Published on: July 16, 2017

Probing Structural and Dynamic Properties of Trafficking Subcellular Nanostructures by Spatiotemporal Fluctuation Spectroscopy
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Analyzing Large Protein Complexes by Structural Mass Spectrometry
15:35

Analyzing Large Protein Complexes by Structural Mass Spectrometry

Published on: June 19, 2010

Area of Science:

  • Structural biology
  • Computational biology
  • Evolutionary biology

Background:

  • Protein function is intrinsically linked to its dynamic behavior, not just its static structure.
  • Studying the evolutionary divergence of protein motions offers deeper insights into the dynamics-function relationship.
  • Current methods, like root mean square fluctuations (RMSF), may not fully capture the evolutionary conservation of protein dynamics.

Purpose of the Study:

  • To systematically assess various scoring methods for quantifying protein fluctuation pattern similarity.
  • To determine if protein dynamics are as evolutionarily conserved as protein structure.
  • To identify the most effective metrics for studying the evolutionary conservation of protein dynamics.

Main Methods:

  • Performed a systematic evaluation of multiple scores designed to measure (dis)similarity in protein fluctuation patterns.
  • Compared the performance of these scores against the SCOP classification to assess their consistency with known structural relationships.
  • Analyzed the importance of measuring fluctuation directions and inter-site correlations.

Main Results:

  • Several tested scores demonstrated performance comparable to or exceeding structural dissimilarity measures.
  • The effectiveness of these scores was validated by their consistency with the SCOP classification.
  • The study highlights the significance of fluctuation directions and correlations for assessing conservation.

Conclusions:

  • Protein fluctuation patterns exhibit evolutionary conservation.
  • Effective measurement of protein dynamics conservation requires assessing both the directions of fluctuations and their correlations between sites.
  • The findings provide a foundation for improved comparative analyses of protein dynamics across species.