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Related Concept Videos

Protein Dynamics in Living Cells01:19

Protein Dynamics in Living Cells

2.2K
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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Overview
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Protein Diffusion in the Membrane01:24

Protein Diffusion in the Membrane

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Proteins show rotational as well as lateral diffusion across the membrane. The lateral diffusion of proteins was confirmed through the cell fusion experiment where mouse and human cells were fused, resulting in hybrid cells. When the human and mouse cells fused, the specific membrane proteins on human and mouse cells were marked with the red and green-fluorescent markers, respectively. Initially, the red and green fluorescence was located on the respective hemisphere of the cell. As time...
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Related Experiment Video

Updated: Jul 23, 2025

Study of Protein Dynamics via Neutron Spin Echo Spectroscopy
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Study of Protein Dynamics via Neutron Spin Echo Spectroscopy

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Functional Protein Dynamics in a Crystal.

Eugene Klyshko1,2, Justin Sung-Ho Kim1,2, Lauren McGough3

  • 1Department of Physics, University of Toronto, Toronto, ON, Canada.

Biorxiv : the Preprint Server for Biology
|July 18, 2023
PubMed
Summary
This summary is machine-generated.

Understanding protein movement is key to understanding protein function. New methods simulate protein dynamics in crystals, aiding experimental interpretation and visualizing molecular machines in action.

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Last Updated: Jul 23, 2025

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Crystallization and Structural Determination of an Enzyme:Substrate Complex by Serial Crystallography in a Versatile Microfluidic Chip
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Area of Science:

  • Biophysics
  • Structural Biology
  • Computational Biology

Background:

  • Proteins function through movement, necessitating the study of their dynamics.
  • Time-resolved X-ray diffraction offers atomistic detail of protein motions in crystals.
  • Experimental limitations require complementary computational approaches for interpreting protein dynamics.

Conclusions:

  • The developed simulation methods provide accurate and robust insights into protein dynamics in crystals.
  • This work facilitates a synergistic relationship between computational simulations and experimental techniques.
  • Enables enhanced visualization and understanding of fundamental protein functional motions.