1. The Structural Genomics Consortium, Nuffield Department of Medicine, University of Oxford, Headington, Oxford OX3 7DQ, UK
2. Target Discovery Institute, Nuffield Department of Medicine, University of Oxford, Headington, Oxford OX3 7FZ, UK
3. Federal University of Pará, Institute of Biological Sciences, Belém, Pará 66075-110, Brazil
4. Department of Chemistry, Chemistry Research Laboratory, University of Oxford, Oxford OX1 3TA, UK
5. CRUK/MRC Oxford Institute of Radiation Biology, University of Oxford, Headington OX3 7DQ, UK
6. Institute for Pharmaceutical Chemistry and Buchmann Institute for Life Sciences, Frankfurt am Main D-60438, Germany