1. Institut für Experimentalphysik, Freie Universität Berlin, Arnimallee 14, D-14195, Berlin, Germany, Department of Chemistry, Brock University, 500 Glenridge Avenue, St. Catharines, Ontario, L2S 3A1, Canada, Department of Biology, Chemistry and Pharmacy, Institute of Chemistry and Biochemistry, Freie Universität Berlin, Takustrasse 6, Berlin D-14195, Germany, Department of Biochemistry and Molecular Biology, Pennsylvania State University, University Park, Pennsylvania 16802, and Department of Chemistry,...