1. Institut
für Biologie, Humboldt-Universität zu Berlin, Unter den
Linden 6, D-10099 Berlin, Germany
2. Molecular
Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
3. Neutron Scattering
Science Division, Oak Ridge National Laboratory, 1 Bethel Valley Road, Oak Ridge, Tennessee 37831, United States
4. Institute
of Theoretical Physics, Johannes Kepler University Linz, Linz, Austria