1. Department of Biotechnology; Biomolecular NMR Laboratory; University of Verona; Strada Le Grazie 15 37134 Verona Italy
2. Department of Biotechnology; Applied Bioinformatics Laboratory; University of Verona; Strada Le Grazie 15 37134 Verona Italy
3. Department of Pharmacy and Biotechnology; Laboratory of Bioinorganic Chemistry; University of Bologna; Viale G. Fanin 40 40127 Bologna Italy