1. Institut für Pharmazeutische Biologie und Biotechnologie, Heinrich-Heine-Universität Düsseldorf, Universitätsstrasse 1, Geb. 26.23, 40225 Düsseldorf, Germany, Department of Organic and Food Chemistry, Faculty of Chemistry, National University of Mongolia, Ulaanbaatar, Mongolia, State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, People's Republic of China, and Department of Structural Biology, Helmholtz Centre for Infection Research, Inhoffenstrasse 7, 38124 Braunschweig,...