Affiliation: | 1. Department of Chemical Biology, Max Planck Institute of Molecular Physiology and Faculty of Chemistry, Chemical Biology, Technical University of Dortmund, Otto Hahn Strasse 11, 44227 Dortmund (Germany), Fax: (+49)?231‐133‐2499;2. Faculty of Chemistry, Biological–Chemical Microstructuring, Technical University of Dortmund, Otto Hahn Str. 6, 44227 Dortmund (Germany), Fax: (+49)?231‐755‐7082 |