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Related Experiment Video

Updated: May 2, 2026

Author Spotlight: High-Throughput Screening to Obtain Crystal Hits for Protein Crystallography
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High-throughput crystallization screening.

Tatiana Skarina1, Xiaohui Xu, Elena Evdokimova

  • 1Department of Chemical Engineering and Applied Chemistry, University of Toronto, 200 College Street, Toronto, ON, Canada.

Methods in Molecular Biology (Clifton, N.J.)
|March 5, 2014
PubMed
Summary
This summary is machine-generated.

Optimizing protein crystallization is crucial for X-ray crystallography. A new 96-solution screen, the "TRAP" screen, was developed to maximize protein crystallization success in structural genomics.

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Area of Science:

  • Structural Biology
  • Biochemistry
  • Crystallography

Background:

  • Protein structure determination via X-ray crystallography requires suitable single crystals.
  • Protein crystallization is a critical yet often empirical and time-consuming bottleneck in this process.
  • Current methods involve numerous parallel crystallization trials to identify optimal conditions.

Purpose of the Study:

  • To optimize protein crystallization protocols.
  • To identify a minimal set of crystallization solutions for maximizing crystallization success.
  • To streamline the structure determination pipeline.

Main Methods:

  • Systematic analysis of crystallization experiments across hundreds of proteins.
  • Development and testing of a novel 96-solution crystallization screen (TRAP screen).
  • Empirical screening of various precipitating agents, buffers, and additives.

Main Results:

  • Identification of a minimal set of 96 crystallization solutions (TRAP screen).
  • The TRAP screen demonstrated high efficacy in inducing crystallization across a diverse protein set.
  • Optimization of crystallization protocols leading to increased success rates.

Conclusions:

  • The TRAP screen is an effective tool for maximizing protein crystallization outcomes.
  • This optimized screen can accelerate structure determination efforts.
  • The findings contribute to overcoming bottlenecks in structural biology.