1. Department
of Chemistry and Biochemistry, The Ohio State University, 484
West 12th Avenue, Columbus, Ohio 43210, United States
2. Princess
Margaret Cancer Center, University Health Network, and Department
of Medical Biophysics, University of Toronto, 610 University Avenue, Room 7-504, Toronto, Ontario M5G 2M9, Canada
3. Department
of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, Indiana 46202, United States
4. Structural
Genomics Consortium and Target Discovery Institute, Nuffield Department
of Clinical Medicine, University of Oxford, Oxford, United Kingdom
5. Department
of Molecular and Cellular Biochemistry, The Ohio State University, 1645 Neil Avenue, Columbus, Ohio 43210, United States