1. Max Planck Institute for Biochemistry, Am Klopferspitz 18, 82152 Martinsried,
Germany
2. Department
of Agricultural Biotechnology, Seoul National University, Seoul 151-921, Republic
of Korea
3. Department of Chemistry
and
Chemical Biology, Harvard University, Cambridge,
Massachusetts 02138, United States
4. Department of Chemistry, Technical University of Munich, Lichtenbergstraße
4, 85748 Garching, Germany
5. School of Biosciences, Cardiff University, Cardiff CF10 3US, Wales, U.K.
6. Center for Medical Biotechnology, University of Duisburg-Essen, 45117 Essen, Germany
7. Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Cracow,
Poland