1. Institute of Organic Chemistry; Research Centre for Natural Sciences; Hungarian Academy of Sciences; Budapest Hungary
2. Department of Inorganic and Analytical Chemistry; Budapest University of Technology and Economics; Budapest Hungary
3. Institute of Enzymology; Research Centre for Natural Sciences; Hungarian Academy of Sciences; Budapest Hungary
4. Dipartimento di Bioscienze; Universitá degli Studi di Parma; Parma Italy
5. Helmholtz Zentrum Berlin für Materialien und Energie; Macromolecular Crystallography; Berlin Germany