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Related Experiment Videos

2D crystallization: from art to science.

B K Jap1, M Zulauf, T Scheybani

  • 1Cell and Molecular Biology Division, Lawrence Berkeley Laboratory, University of California, Berkeley 94720.

Ultramicroscopy
|October 1, 1992
PubMed
Summary
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This review covers 2D crystallization techniques for membrane and water-soluble proteins, essential for electron crystallography. It details biophysical interactions and methods for achieving high-quality 2D crystals for structural studies.

Area of Science:

  • Biophysics
  • Structural Biology
  • Biochemistry

Background:

  • Electron crystallography requires well-ordered protein crystals.
  • Two-dimensional (2D) crystallization is a key step for obtaining specimens suitable for this technique.
  • Both membrane and water-soluble proteins present unique challenges and opportunities for 2D crystallization.

Purpose of the Study:

  • To review the principles and techniques of 2D protein crystallization.
  • To discuss the biophysical factors influencing crystallization.
  • To cover methods for both membrane and water-soluble proteins.

Main Methods:

  • Survey of biophysics of protein, lipid, and detergent interactions.
  • Discussion of in situ and reconstitution methods for membrane protein crystallization.

Related Experiment Videos

  • Elaboration on solution and interface-based crystallization for water-soluble proteins.

    • Main Results:

    • Comprehensive overview of factors affecting 2D crystallization.
    • Detailed description of methods applicable to diverse protein types.
    • Identification of necessary techniques and instrumentation.

    Conclusions:

    • Successful 2D crystallization is achievable for various proteins using established and emerging methods.
    • Understanding biophysical interactions is crucial for optimizing crystallization.
    • This review provides a guide for researchers employing 2D crystallization for electron crystallography.