1. Bioinformatics Centre
2. Department of Biology
3. University of Copenhagen
4. Ole Maaloes Vej 5
5. Denmark
6. Laboratory of Physical Chemistry
7. Swiss Federal Institute of Technology
8. ETH-Hönggerberg
9. Vladimir-Prelog-Weg 2
10. CH-8093 Zürich
11. Structural Biology and NMR Laboratory