1. Aix-Marseille
Université, laboratory Architecture et Fonction des Macromolécules
Biologiques, Faculté des Sciences de Luminy, 13288 Marseille cedex 09, France
2. Centre
National de la Recherche Scientifique, laboratory Architecture et
Fonction des Macromolécules Biologiques, Faculté des Sciences de Luminy, 13288 Marseille cedex 09, France
3. Department
of Chemistry, The Skaggs Institute for Chemical Biology, The Scripps Research Institute, La Jolla, California 92037, United States
4. Department
of Pharmacology, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California at San Diego, La Jolla, California 92093-0650, United States