1. Department of Theoretical Biophysics, Max Planck Institute of Biophysics, 60438 Frankfurt am Main, Germany
2. Structural Biology and NMR Laboratory, Linderstrøm-Lang Centre for Protein Science, Department of Biology, University of Copenhagen, 2200 Copenhagen, Denmark
3. Laboratoire de Biochimie Théorique UPR 9080, Institut de Biologie Physico-Chimique, CNRS and Université Paris-Cité, 75005 Paris, France
4. Institute of Biophysics, Goethe University Frankfurt, 60438 Frankfurt am Main, Germany