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Cryo-electron Microscopy

Cryo-electron Microscopy

Conventional electron microscopy (EM) involves dehydration, fixation, and staining of biological samples, which distorts the native state of biological molecules and results in several artifacts. Also, the high-energy electron beam damages the sample and makes it difficult to obtain high-resolution images. These issues can be addressed using cryo-EM, which uses frozen samples and gentler electron beams. The technique was developed by Jacques Dubochet, Joachim Frank, and Richard Henderson, for...

Electron Microscope Tomography and Single-particle Reconstruction

Electron Microscope Tomography and Single-particle Reconstruction

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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Related Experiment Video

Updated: Jan 15, 2026

A Robust Single-Particle Cryo-Electron Microscopy cryo-EM Processing Workflow with cryoSPARC, RELION, and Scipion

A Robust Single-Particle Cryo-Electron Microscopy cryo-EM Processing Workflow with cryoSPARC, RELION, and Scipion

Published on: January 31, 2022

Combining Cryo-EM with Computational Approaches To Revolutionize Structural Biology.

Han-Ul Kim^1,2, Mi Young An¹, Young Kwan Kim²

¹Department of Biochemistry, College of Natural Sciences, Kangwon National University, Chuncheon, 24341, Republic of Korea.

The Protein Journal

|October 16, 2025

Summary

This summary is machine-generated.

Cryo-electron microscopy (cryo-EM) and computational methods like molecular docking and dynamics (MD) simulations are revolutionizing structural biology. This integration offers detailed biomolecular insights and aids drug discovery.

Keywords:

Cryo-electron microscopy Fragment-based drug discovery Molecular docking Molecular dynamics simulations Structure-based drug discovery Transmission electron microscopy

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Area of Science:

Structural Biology
Biophysics
Computational Biology

Background:

Cryo-electron microscopy (cryo-EM) has overcome previous limitations through hardware and software advancements.
Significant volumes of structural data are now accessible, driving progress in structural biology.
Computational methods are increasingly integrated with experimental techniques.

Purpose of the Study:

To review the impact of cryo-EM on structural biology.
To highlight the synergistic role of molecular docking and molecular dynamics (MD) simulations with cryo-EM data.
To explore future applications of these integrated techniques.

Main Methods:

Cryo-electron microscopy (cryo-EM) for high-resolution structural determination.
Molecular docking simulations for predicting binding interactions.
Molecular dynamics (MD) simulations for analyzing biomolecular behavior and interactions.
Integration of experimental cryo-EM data with computational modeling.

Main Results:

Cryo-EM has significantly advanced the field by enabling detailed structural analysis.
Molecular docking and MD simulations complement cryo-EM data, enhancing the understanding of protein-protein interactions.
The combined approach provides deeper insights into molecular mechanisms.

Conclusions:

Integrated cryo-EM, molecular docking, and MD simulations offer powerful tools for structural biology.
These methodologies provide valuable insights into biomolecular interactions.
The techniques support structure- and fragment-based drug discovery through accurate structural characterization.