1. Michael Smith Laboratories, University of British Columbia, 2185 East Mall, Vancouver, British Columbia V6T 1Z4, Canada
2. Department of Chemistry, University of York, Heslington, YO10 5DD, York, U.K.
3. Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, British Columbia V6T 1Z1, Canada
4. Architecture et Fonction des Macromolécules Biologiques (AFMB), CNRS, Aix-Marseille University, Marseille, 13288, France
5. INRA, USC1408 Architecture et Fonction des Macromolécules Biologiques (AFMB), Marseille, 13288, France
6. Department of Biochemistry and Molecular Biology, University of British Columbia, 2350 Health Sciences Mall, Vancouver, British Columbia V6T 1Z3, Canada
7. Department of Botany, University of British Columbia, 3200 University Boulevard, Vancouver, British Columbia V6T 1Z4, Canada