1. CEA, CNRS, and UJF-Grenoble 1, Protein Dynamics and Flexibility, Institut de Biologie Structurale Jean-Pierre Ebel,
41 Rue Jules Horowitz, Grenoble 38027, France
2. Department of NMR-Based Structural Biology, Max Planck Institute for Biophysical Chemistry, Am
Fassberg 11, 37077 Göttingen, and German Center for Neurodegenerative Diseases (DZNE), 37077 Göttingen,
Germany