1. Institut Pasteur, Université de Paris, CNRS UMR3523, Laboratory for Bioorganic Chemistry of Nucleic Acids, Department of Structural Biology and Chemistry, 28, rue du Docteur Roux, 75724 Paris Cedex 15, France
2. Chimie ParisTech, PSL University, CNRS, Institute of Chemistry for Life and Health Sciences, Laboratory for Inorganic Chemical Biology, 75005 Paris, France