1. Department of Biophysical Chemistry Max-Planck-Institute of Biophysics Max-von-Laue-Straße 3 60438 Frankfurt am Main Germany
2. Institute of Physical and Theoretical Chemistry Goethe University Max-von-Laue-Straße 7 60438 Frankfurt am Main Germany
3. Institute of Biological Information Processing (IBI-7: Structural Biochemistry) Forschungszentrum Jülich GmbH Wilhelm-Johnen-Straße 52425 Jülich Germany
4. European Molecular Biology Laboratory Notkestraße 85 22607 Hamburg Germany
5. Research Center for Molecular Mechanisms of Aging and Age-related Diseases Moscow Institute of Physics and Technology Dolgoprudny Russia