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Related Experiment Videos

The protein as a variable in protein crystallization.

Glenn E Dale1, Christian Oefner, Allan D'Arcy

  • 1Morphochem AG, WRO-1055/338, Schwarzwaldallee 215, CH-4058, Basel, Switzerland. Glenn.dale@morphochem.ch <Glenn.dale@morphochem.ch>

Journal of Structural Biology
|April 30, 2003
PubMed
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Protein crystallization is often empirical, but altering protein characteristics offers a new strategy. This approach addresses challenges in obtaining crystals from difficult proteins, improving structural biology research.

Area of Science:

  • Biochemistry
  • Structural Biology
  • Crystallography

Background:

  • Traditional protein crystallization relies heavily on empirical screening of conditions.
  • Automated screening and commercial kits have improved efficiency but not fundamental limitations.
  • The intrinsic properties of the protein itself are a critical, often overlooked, factor.

Purpose of the Study:

  • To review historical perspectives and recent advances in protein crystallization.
  • To highlight the significance of protein characteristics in crystallization success.
  • To introduce strategies for altering protein properties to enhance crystallizability.

Main Methods:

  • Review of historical empirical approaches to protein crystallization.
  • Discussion of automated screening and crystallization kits.

Related Experiment Videos

  • Exploration of methods to modify intrinsic protein characteristics for improved crystallization.

    • Main Results:

    • Protein crystallization remains largely empirical despite technological advances.
    • Significant variation exists in the crystallizability of different proteins.
    • Altering intrinsic protein properties is emerging as a viable strategy.

    Conclusions:

    • Focusing solely on external crystallization conditions is insufficient.
    • Modifying protein characteristics offers a promising avenue for overcoming crystallization challenges.
    • This strategic shift can enable the structural determination of previously intractable proteins.