1. Département de Chimie, Université du Québec à Montréal, C.P. 8888, Succursale Centre-Ville, Montréal, Québec H3C 3P8, Canada
2. Structural Genomics Consortium, 101 College Street, Toronto, Ontario M5G 1L7, Canada
3. Department of Pharmacology and Toxicology, University of Toronto, Toronto, Ontario M5S 1A8, Canada
4. Centre de Biologie Structurale, CNRS, INSERM, Univ. Montpellier, 34090 Montpellier, France
5. Drug Discovery Program, Ontario Institute for Cancer Research, Toronto, Ontario M5G 0A3, Canada