1. Center for Integrated Protein Science at the Department of Chemistry; Technische Universität München; Lichtenbergstrasse 4 85747 Garching Germany
2. Infection Immunology Research Group; Helmholtz Centre for Infection Research; Inhoffenstrasse 7 38124 Braunschweig Germany
3. Leibniz-Forschungsinstitut für Molekulare Pharmakologie; Robert-Roessle-Strasse 10 13125 Berlin Germany