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New developments of the IMPAX small-volume automated crystallization system.
N E Chayen1, P D Shaw Stewart, P Baldock
1Blackett Laboratory, Imperial College, London, England.
Summary
The IMPAX system for automated crystallization now features a five-channel microtip and new screening software, enhancing experimental flexibility and scope. These advancements enable more extensive and systematic crystallization trials using vapour-diffusion methods.
Area of Science:
- Crystallography
- Biochemistry
- Materials Science
Background:
- Automated systems are crucial for high-throughput screening in crystallization.
- Existing methods may lack flexibility for exploring novel crystallization conditions.
Purpose of the Study:
- To present recent advancements in the IMPAX system for automated crystallization.
- To enhance the capabilities for designing and executing crystallization experiments.
Main Methods:
- Introduction of a five-channel microtip for increased experimental freedom.
- Development of a new mouse-driven screening program.
- Adaptation of hardware for vapour-diffusion trials.
- Design of a novel vapour-diffusion vessel for small-volume drops and reservoirs.
Main Results:
- The enhanced IMPAX system offers greater flexibility in experimental design.
- The new software allows for broader screening of crystallization conditions.
- The system now supports vapour-diffusion trials, facilitating systematic large-scale experiments.
- The new vessel design enables efficient use of reagents for sitting drop crystallization.
Conclusions:
- The updated IMPAX system significantly improves automated crystallization capabilities.
- The system facilitates more comprehensive and efficient exploration of crystallization parameters.
- These developments support large-scale systematic trials for protein or materials crystallization.