1. Macromolecular Crystallography, Helmholtz-Zentrum Berlin, Albert-Einstein-Straße 15, 12489 Berlin, Germany
2. MAX IV Laboratory, BioMAX, Fotongatan 2, 224 84 Lund, Sweden
3. Laboratory of Structural Biochemistry, Institute of Chemistry and Biochemistry, Freie Universität Berlin, Takustraße 6, 14195 Berlin, Germany