1. Department
of Neuropathology, Heinrich-Heine University Duesseldorf, Moorenstrasse
5, 40225 Duesseldorf, Germany
2. Clemens
Schoepf Institute for Organic Chemistry and Biochemistry, Technical University of Darmstadt, Alarich-Weiss-Strasse 4-8, 64287 Darmstadt, Germany
3. Institute
of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, Flemingovo n. 2, 166 10 Praha 6, Czech Republic
4. Chemical
Proteomics Group, Leibnitz Institute for Analytical Sciences (ISAS) e.V., Otto-Hahn-Strasse 6b, 44227 Dortmund, Germany
5. Laboratory
of Chemical Biology, Department of Cellular and Molecular Medicine, University of Leuven, Herestraat 49, Box 802, 3000 Leuven, Belgium
6. Chemical
Biology Program, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, Box 428, New York, New York 10065, United States
7. Institute
for Pathobiochemistry, University Medical Center of the Johannes Gutenberg University Mainz, Duesbergweg 6, 55128 Mainz, Germany