1. Department
of Chemistry, McGill University, 801 Sherbrooke Street West, Montreal, Quebec H3A 0B8, Canada
2. Department
of Biochemistry, McGill University, 3655 Promenade Sir William Osler, Montreal, Quebec H3G 1Y6, Canada
3. Douglas Mental Health University Institute, 6825 Lasalle, Verdun, Quebec, H4H 1R3, Canada
4. Department
of Microbiology and Immunology, McGill University, 3775 Rue University, Montreal, Quebec H3A 2B4, Canada
5. Groupe
de Recherche Axé sur la Structure des Protéines, McGill University, 3649 Promenade Sir William Osler, Montreal, Quebec H3G 0B1, Canada