1. Dept. of Biotechnology & Enzyme Catalysis; Institute of Biochemistry, University of Greifswald; Felix-Hausdorff-Str. 4 17487 Greifswald Germany
2. Dept. of Research & Technology; Symrise AG; Mühlenfeldstr. 1 37603 Holzminden Germany
3. Dept. of Biochemistry; Institute of Biology, University of Kassel; Heinrich-Plett-Str. 40 34132 Kassel Germany