1. UPMC Paris06, UMR 7203, Laboratoire des BioMolécules, Université P. et M. Curie, 75005 Paris France
2. CNRS, UMR 7203, France
3. ENS, UMR 7203, Département de Chimie, Ecole Normale Supérieure, 75005 Paris France
4. University of Arizona, Department of Chemistry and Biochemistry, 1306 East University Boulevard, P.O. Box 210041, Tucson, Arizona 85721, United States
5. University of Arizona, Department of Physiology, Tucson, Arizona 85721, United States
6. Lee Moffitt Cancer Center, Tampa, Florida 33612, United States