1. Centre for Structural Systems Biology (CSSB), Notkestrasse 85, D-22607 Hamburg, Germany.
2. European Molecular Biology Laboratory (EMBL), Hamburg Unit c/o Deutsches Elektronen Synchrotron (DESY), Notkestrasse 85, D-22607 Hamburg, Germany.
3. Collaboration for joint PhD degree between EMBL and Heidelberg University, Faculty of Biosciences, Faculty of Biosciences, Im Neuenheimer Feld 234, D-69120 Heidelberg, Germany.
4. Institute of Structural and Systems Biology, University Medical Center Hamburg-Eppendorf, Notkestrasse 85, D-22607 Hamburg, Germany.
5. Deutsches Elektronen Synchrotron (DESY), Notkestrasse 85, D-22607 Hamburg, Germany.