^aYork Structural Biology Laboratory, Department of Chemistry, University of York, York YO10 5YW, England,^bUnité de Biochimie Structurale, Institut Pasteur, 25-28 Rue du Dr Roux, 75724 Paris CEDEX 15, France,^cDivision of Structural Biology, Wellcome Trust Centre for Human Genetics, Roosevelt Drive, Headington, Oxford OX3 7BN, England,^dCIRMMP, CERM, Via Sacconi 6, 50019 SestoFiorentino, Italy,^eEMBL-Grenoble c/o ILL, BP181, 6 Rue Jules Horowitz, F-38042 Grenoble CEDEX 9, France,^fArchitecture et Fonction des Macromolécules Biologiques UMR6098, CNRS/Universités de Provence/Université de la Méditerranée Parc Scientifique et Technologique de Luminy, Case 932163, Avenue de Luminy 13288, Marseille CEDEX 09, France,^gHost-Pathogen Interactions Group, Macromolecular Crystallography Laboratory, ITQB, Ap. 127, 2781-901 Oeiras, Portugal,^hDepartamento de Biología Estructural Instituto de Biología Molecular de Barcelona, Jordi Girona, 1808034 Barcelona, Spain,ⁱThe Israel Structural Proteomics Center, The Department of Structural Biology, Weizmann Institute of Science, Rehovot 76100, Israel,^jEMBL-Hamburg Outstation, Notkestrasse 85, D-22603 Hamburg, Germany,^kDepartment of Molecular Biology of the University Biomedical Center, S-751 24 Uppsala, Sweden,^lDepartment of Biochemistry and Biophysics, Stockholm University, S-106 91 Stockholm, Sweden, and ^mDepartment of Medical Biochemistry and Biophysics, Karolinska Institutet, SE-109 51 Stockholm, Sweden
Correspondence e-mail: jonathan@strubi.ox.ac.uk