1. Department of Organic Chemistry; Faculty of Chemistry; Jagiellonian University; Ingardena 3 30-060 Krakow Poland
2. Malopolska Centre of Biotechnology; Jagiellonian University; Gronostajowa 7a 30-387 Krakow Poland
3. Faculty of Biochemistry, Biophysics and Biotechnology; Jagiellonian University; Gronostajowa 7 30-387 Krakow Poland
4. Department of Bioorganic Chemistry; Faculty of Chemistry; Wrocław University of Science and Technology; Wybrzeże Wyspiańskiego 27 50-370 Wrocław Poland
5. Department for Drug Design; University of Groningen; A. Deusinglaan 9 AV 9713 Groningen The Netherlands
6. Max Planck Institute for Biochemistry; Am Klopferspitz 18a 82152 Martinsried Germany