1. Institute
of Organic Chemistry and Chemical Biology, Center for Biomolecular
Magnetic Resonance, Johann Wolfgang Goethe-University Frankfurt, Max-von-Laue-Straße
7, D-60438 Frankfurt
am Main, Germany
2. Department of
Molecular Membrane Biology, Cluster of Excellence Frankfurt “Macromolecular
Complexes,” Max Planck Institute of Biophysics, Max-von-Laue-Straße 3, D-60438 Frankfurt am Main, Germany
3. Institute
of Inorganic and Analytical Chemistry, Johann Wolfgang Goethe-University Frankfurt, Max-von-Laue-Straße 7, D-60438 Frankfurt am Main, Germany
4. Department
of Structural Biology, Center of Human and Molecular Biology, Faculty
of Medicine, Saarland University, Building 60, D-66421 Homburg, Germany
5. German Cancer Consortium
(DKTK), 69120 Heidelberg, Germany
6. German Cancer
Research Center (DKFZ), 69120 Heidelberg, Germany