1. Dipartimento di Chimica, Università di Pavia, Pavia 27100, Italy
2. ARNA Laboratory, Université de Bordeaux, Inserm U1212, CNRS UMR5320, Institut Européen de Chimie Biologie (IECB), Pessac 33607, France
3. Institute of Biophysics, AS CR, Brno 61265, Czech Republic