1. Division
of Computational Biology, College of Life Sciences, and Division of
Physics, School of Engineering, Physics and Mathematics, University of Dundee, Dow Street, Dundee DD1
5EH, U.K.
2. Department
of Theoretical and Computational Biophysics, Max-Planck-Institute for Biophysical Chemistry, D-37077 Göttingen, Germany
3. Centre
of Biophysics and Bioinformatics, Humboldt-Universität zu Berlin, Invalidenstrasse
42, D-10115 Berlin, Germany