1. Stratingh Institute for Chemistry University of Groningen Nijenborgh 7 9747 AG Groningen The Netherlands
2. Department of Electron Microscopy, Groningen Biomolecular Sciences and Biotechnology Institute University of Groningen Nijenborgh 7 9747 AG Groningen The Netherlands
3. Laboratoire Matière et Systèmes Complexes (MSC) UMR 7057 Université Paris Diderot-Paris 7, Bâtiment Condorcet 75205 Paris cedex 13 France
4. Department of Drug Design and Optimization Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for Infection Research (HZI), Campus Building E8.1 66123, Saarbrücken Germany
5. Department of Pharmacy, Medicinal Chemistry Saarland University Campus Building E8.1 66123 Saarbrücken Germany