1. Department of Enzymology, Institute of Biochemistry and Biotechnology Martin Luther University Halle-Wittenberg, Charles Tanford Protein Center Kurt-Mothes-Str. 3a 06120 Halle (Saale) Germany
2. Department of Pharmaceutical Biology and Pharmacology, Institute of Pharmacy Martin Luther University Halle-Wittenberg Hoher Weg 8, 06120 Halle (Saale) Germany
3. Faculty of Chemistry and Earth Sciences, Institute of Organic Chemistry and Macromolecular Chemistry Friedrich Schiller University Jena Humboldtstraße 10 07743 Jena Germany