1. Department of Biomolecular Chemistry, Leibniz Institute for Natural Product Research and Infection Biology, HKI, Beutenbergstrasse 11a, 07745 Jena, Germany
2. Department of Microbiology and Immunology, Doherty Institute, University of Melbourne, 792 Elizabeth Street, Melbourne 3000, Australia
3. Faculty of Biological Sciences, Friedrich Schiller University Jena, 07743 Jena, Germany