Institution: | 1. Division of Molecular Biometry, Institute for Medicinal Biochemistry and Biophysics, Karolinska Institutet, Scheeles v?g 2, 17177 Stockholm (Sweden), Fax: (+46)?18‐471‐7209;2. Laboratoire de Chimie Physique, Université Paris‐Sud 11, CNRS, 91405 Orsay CEDEX (France) |