Affiliation: | 1. Institute of Structural Biology, Helmholtz Zentrum München, Biomolecular NMR and Center for Integrated Protein Science Munich, Department Chemie, Technische Universit?t München, Lichtenbergstrasse 4, 85747 Garching (Germany), Fax: (+49)?89‐289‐13867 http://www.helmholtz‐muenchen.de/stb;2. Max‐Planck‐Institut für biophysikalische Chemie, Am Fassberg 11, 37077 G?ttingen (Germany) |