1. Biophysical Chemistry, Saarland University, Campus B2 2, 66123 Saarbrücken, Germany
2. Department of Chemistry, Saarland University, 66123 Saarbrücken, Germany
3. Helmholtz Institute for Pharmaceutical Research Saarland, Helmholtz Centre for Infection Research, 66123 Saarbrücken, Germany
4. Deutsches Zentrum für Infektionsforschung (DZIF), Standort Hannover-Braunschweig, 38124 Braunschweig, Germany