University of Alberta - Department of Medical Microbiology and Immunology, University of Alberta - Department of Chemistry, University of Alberta - Department of Medical Microbiology and Immunology, University of Alberta - Department of Chemistry, The Scripps Research Institute - Department of Molecular Medicine, University of Erlangen - Division of Genetics, Kyoto University - Department of Human Health Sciences, The Scripps Research Institute - Department of Immunology and Microbiology, University of Alberta - Department of Medical Microbiology and Immunology, University of Erlangen - Division of Genetics, University of Pittsburgh - Department of Immunology, The Scripps Research Institute - Department of Molecular Medicine and University of Alberta - Department of Medical Microbiology and Immunology