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Related Concept Videos

Protein Dynamics in Living Cells01:19

Protein Dynamics in Living Cells

2.9K
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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Electron Microscope Tomography and Single-particle Reconstruction01:07

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Transmission electron microscopy (TEM) can be used to determine the 3D structure of biological samples with the help of techniques such as electron microscope tomography and single-particle reconstruction. While single-particle reconstruction can examine macromolecules and macromolecular complexes in vitro conditions only, tomography permits the study of cell components or small cells in vivo.
Electron Tomography
Electron tomography can be performed either in TEM or STEM (scanning transmission...
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Studying the Cytoskeleton01:17

Studying the Cytoskeleton

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The cytoskeletal architecture can be studied using different microscopic and biochemical techniques. Electron microscopy was instrumental in discovering the cytoskeletal architecture around the 1960s, which allowed obtaining structural information at a high-resolution level. However, the sample preparation procedure often limits this ability in biological samples. Several protocols have been developed over the years to optimize sample preparation. In one of the protocols known as rotary...
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Related Experiment Video

Updated: Apr 15, 2026

Correlative Microscopy for 3D Structural Analysis of Dynamic Interactions
13:43

Correlative Microscopy for 3D Structural Analysis of Dynamic Interactions

Published on: June 24, 2013

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Integrative, dynamic structural biology at atomic resolution--it's about time.

Henry van den Bedem1, James S Fraser2

  • 11] Joint Center for Structural Genomics, Stanford Synchrotron Radiation Lightsource, Stanford University, Menlo Park, California, USA. [2] Division of Biosciences, SLAC National Accelerator Laboratory, Stanford University, Menlo Park, California, USA.

Nature Methods
|April 1, 2015
PubMed
Summary
This summary is machine-generated.

Biomolecules exhibit dynamic conformations crucial for cellular functions. Integrative structural biology, combining X-ray crystallography, NMR, and simulations, offers atomic-level insights into protein dynamics and macromolecular complexes.

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Related Experiment Videos

Last Updated: Apr 15, 2026

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Area of Science:

  • Structural Biology
  • Biophysics
  • Computational Biology

Background:

  • Biomolecules exist as dynamic ensembles of conformations.
  • These conformations are essential for molecular interactions and cellular functions.
  • Understanding protein dynamics is key to deciphering biological processes.

Purpose of the Study:

  • To review opportunities in integrative, dynamic structural biology at the atomic scale.
  • To highlight the synergistic potential of combining multiple experimental and computational techniques.
  • To reveal the structural basis of protein conformational dynamics.

Main Methods:

  • X-ray crystallography
  • Nuclear Magnetic Resonance (NMR) spectroscopy
  • Computer simulations
  • Integrative structural biology leveraging low-resolution data

Main Results:

  • Advances in techniques provide atomic-level detail of biomolecular conformational shifts.
  • Integrative structural biology enhances understanding of large macromolecular complexes.
  • Synergies between X-ray crystallography, NMR, and simulations are emerging.

Conclusions:

  • There is growing potential for integrative approaches in dynamic structural biology.
  • Combining techniques offers a powerful path to high-resolution insights into protein dynamics.
  • This integrated approach is crucial for understanding complex biological systems.