1. Enzyme
Biochemistry Group, Max-Planck Institute for Biophysical Chemistry, Göttingen, D-37077, Germany
2. Department
of Interfaces, Max-Planck Institute of Colloids and Interfaces, Potsdam, D-14424, Germany
3. Department
of Molecular Biotechnology, Centre for Nano-Biophotonics, Ghent University, Ghent, B-9000, Belgium