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Structural biology


The CIMR offers structural biologists facilities for high-throughput initial identification and optimization of crystallization conditions.

Once a sample has been successfully crystallized, data collection is carried out using synchrotron facilities, most commonly the UK’s Diamond Light Source. Data collection and processing at Diamond can be controlled remotely from a terminal within the CIMR.

We have begun to develop integration with Diamond’s new in-situ x-ray diffraction facilities, allowing scientists to move directly from a successful crystallization experiment to remote data collection without requiring further sample preparation or crystal handling.

crystallization  panel a  Crystallization panel b  Crystallization panel c

Crystallization panel d  Crystallization panel e  Crystallization panel f

Prepared crystallization conditions. Premade 96-condition sitting drop crystallization trays spanning multiple different strategies from commercial reagent suppliers are kept in stock for standard experiments. Optimization screens based on commercial or in-house reagents are available on request.

Mosquito LCP Crystallisation Robotics. This instrument dispenses sample and reagent sitting drops into standard format 96-well SBS plates, with a minimum drop volume of 100nl. Large crystallization screens can be rapidly set up with a small total sample volume compared to manual approaches.

Tecan Freedom Evo. This liquid handling system is used by the facility to prepare commercial and custom screens in a variety of plate formats.

Formulatrix Rock Imager. This system holds five hundred crystallization experiment trays. Any plate design with a standard SBS footprint can be accomodated. The trays are kept at a constant temperature and individual drops are automatically imaged according to user-defined schedule. The system’s imaging microscope is fitted with a polarizing filter to enable crystals to be examined for birefringence. Images collected are stored in a database along with details of the experiment and screening conditions, and can be analysed using Formulatrix’s Rock Maker software.

Crystal storage and mounting. The CIMR is currently fitting out a new dedicated space with equipment for scooping, mounting, and freezing crystals.

Diamond remote terminal.  A dedicated workstation configured for remote access to the Diamond Light Source’s beamline and compute facilities is available.


Crystallization facility

Selected publications

Baglin, TP, Langdown, J, Frasson, R & Huntington, JA. Discovery and characterization of an antibody directed against exosite I of thrombin. J. Thromb. Haemost. 14, 137–142 (2016).

S. Neidel, C. Maluquer de Motes, D.S. Mansur, P. Strnadova, G.L. Smith, S.C. Graham. Vaccinia Virus Protein A49 is an Unexpected Member of the B-cell Lymphoma (Bcl)-2 Protein Family. J. Biol. Chem. 290, 5991–6002 (2015).

Chen R, Rato C, Yan Y, Crespillo-Casado A, Clarke HJ, Harding HP, Marciniak SJ, Read RJ and Ron D. 2015. G-actin provides substrate-specificity to eukaryotic initiation factor 2a holophosphatase. eLIFE 4:10.7554/eLife.04871 (2015).

Kelly BT, Graham SC, Liska N, Dannhauser PN, Höning S, Ungewickell EJ & Owen DJ. AP2 controls clathrin polymerization with a membrane-activated switch. Science 345, 459–463 (2014).

Hill, C.H., Graham, S.C., Read, R.J. and Deane, J.E. Structural snapshots illustrate the catalytic cycle of β-galactocerebrosidase, the defective enzyme in Krabbe disease. Proc. Natl Acad. Sci. USA 110, 20479–20484 (2013).

Lechtenberg, B.C., Murray-Rust, T.A., Johnson, D.J., Adams, T.E., Krishnaswamy, S., Camire, R.M. and Huntington, J.A. Crystal structure of the prothrombinase complex from the venom of Pseudonaja textilis. Blood 122, 2777–2783 (2013).