1. Department of Molecular Physiology and Biological Physics University of Virginia Charlottesville Virginia USA
2. Center for Biocrystallographic Research, Institute of Bioorganic Chemistry Polish Academy of Sciences Poznan Poland
3. Institute of Computing Science Poznan University of Technology Poznan Poland
4. Macromolecular Crystallography Laboratory, National Cancer Institute Frederick Maryland USA
5. Department of Crystallography, Faculty of Chemistry Adam Mickiewicz University Poznan Poland
6. k.‐k. Hofkristallamt San Diego California USA
7. Institute of Genetic Epidemiology Medical University Innsbruck Schöpfstr. 41 Innsbruck Tyrol 6020 Austria