1. Département de Biochimie, de Microbiologie et Bio-Informatique, Université Laval, Québec City, QC, Canada
2. PROTEO and IBIS, Université Laval, Québec City, QC, Canada
3. Charles-Eugènes-Marchand Building, Office 4252, Université Laval, Québec City, QC, G1V0A6, Canada
4. Department of Structural Biology, Biozentrum, University of Basel, Switzerland