1. Department of Biochemistry and Molecular Biology, Center for Structural Biology, McKnight Brain Institute, College of Medicine, University of Florida, Gainesville, Florida, USA
2. Department of Biomolecular Systems, Max-Planck Institute of Colloids and Interfaces, Potsdam, Germany
3. Institute of Chemistry and Biochemistry, Freie Universität Berlin, Berlin, Germany
4. Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, Troy, New York, USA
5. Charité–Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Berlin, Germany