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Protein Crystallization and Imaging

Methods IBC, Einsle/Friedrich/Andrade

High-Throughput Protein Crystallization and Imaging Model: Rigaku Phoenix RE, Alchemist II, Minstrel HT UV, Gallery 700, Douglas Instruments Oryx Nano
Unit and Room: Biochemistry, 9th floor, R. 910
Responsible: Dr. Stefan Gerhardt
Protein Crystallography

Further information: http://portal.uni-freiburg.de/xray/equipment
Short Description:

Protein crystallization generally involves sparse matrix screening for suitable crystallization conditions in a large number of individual experiments on SBS-format multiwell plates. The setup consists of nanoliter dispensers (Oryx Nano, Phoenix RE) for experiment setup and a temperature-controlle incubation system with automated, scheduled imaging (Minstrel/Gallery). Crystallization screens can be designed on-screen and passed on to a liquid handling system (Alchemist II) for production. External collborators can monitor their crystallization experiments through a web interface. 

Picture of the Equipment

High-Throughput Protein Crystalli-zation and Imaging
 

Available Experiments/Techniques:

Crystallization experiments by hanging or sitting drop vapour diffusion or microbatch are prepared using 100-300 nl of sample per drop and are incubated at 4°C or 20°C. Fine screens can be designed around initial hits and pipetted automatically.

Special Equipment:

The minstrel imager includes a UV camera for identification of the UV flourescence of protein vs. salt crystals.

Measurements on the equipment are currently done by:

Students after extensive training
Trained scientific service personal

Recent Publications, where this instrument was
important (citation):

BMC Biochemistry 8:13.

 

Typical problems that may be solved with this instrument:

- Semi-automated screening for crystallization conditions.
- Inspection of crystal plates available through web interface
- Design and automated preparation of fine screens for optimization of crystallization

 

pdficon.gif High-Throughput Protein Crystallization and Imaging (this page as pdf file)

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