1. Magnetic
Resonance Center “CERM” and Department of Chemistry
“Ugo Schiff”, University of Florence and Magnetic Resonance Consortium (CIRMMP), Via L. Sacconi 6, 50019 Sesto Fiorentino, Firenze, Italy
2. Center
for Integrated Protein Science Munich (CIPSM) at Department Chemie, Technische Universität München, 85747 Garching, Germany
3. Institute
of Structural Biology, Helmholtz Zentrum München, 85764 Neuherberg, Germany