1. Department of Chemistry, Chair of Organic Chemistry II, Center for Functional Protein Assemblies (CPA), Technische Universität München, Lichtenbergstraße 4, 85748 Garching, Germany
2. Department of Biology I, Microbiology, Ludwig-Maximilians-Universität München, 82152 Martinsried, Germany
3. Department of Chemistry, Ludwig-Maximilians-Universität München, 81377 München, Germany