1. Department of Cellular Biochemistry University Medical Center Göttingen Göttingen Germany
2. Department of Biochemistry and Functional Proteomics Faculty for Biology University of Freiburg Freiburg Germany
3. BIOSS Centre for Biological Signalling Studies University of Freiburg Freiburg Germany
4. Institute for Biochemistry and Molecular Biology ZBMZ University of Freiburg Freiburg Germany
5. Max Planck Institute for Biophysical Chemistry Göttingen Germany