1. Faculty of Chemistry Biochemistry Bielefeld University Universitätsstr. 25 33615 Bielefeld Germany
2. Faculty of Chemistry Organic and Bioorganic Chemistry Bielefeld University Universitätsstr. 25 33615 Bielefeld Germany
3. Department of Chemistry/Biocatalysis Technische Universität Berlin Müller-Breslau-Str. 10 10623 Berlin Germany
4. Department of Biotechnology and Enzyme Catalysis Institute of Biochemistry University of Greifswald Felix Hausdorff-Str. 4 17487 Greifswald Germany