1. Department of Physical and Macromolecular Chemistry, Faculty of Science, Charles University, Albertov 6, Prague 12843, Czech Republic
2. Institute of Physiology of the Czech Academy of Sciences, Laboratory of Structural Biology of Signaling Proteins, Division BIOCEV, Prumyslova 595, Vestec 25250, Czech Republic
3. Department of Organic Chemistry, Faculty of Science, Charles University, Albertov 6, Prague 12843, Czech Republic
4. Department of Pediatrics I, Medical University Innsbruck, Innrain 66, Innsbruck 6020, Austria
5. Department of Pediatrics II, Medical University Innsbruck, Innrain 66, Innsbruck 6020, Austria