1. Protein Structure and Biophysics, Novo Nordisk A/S, Novo Nordisk Park, DK-2760 Måløv, Denmark, Centre for Insoluble Protein Structures (inSPIN), Department of Life Sciences, Aalborg University, Sohngaardsholmsvej 49, DK-9000 Aalborg, Denmark, and Institute of Medical Microbiology and Immunology, University of Aarhus, Wilhelm Meyers Allé, DK-8000 Århus C, Denmark