1. Dipartimento di Chimica “Ugo Schiff”, Università di Firenze, Via della Lastruccia 3-13, I-50019 Sesto Fiorentino (FI), Italy
2. Department of Chemistry, Division of Biochemistry, BOKU−University of Natural Resources and Life Sciences, Muthgasse 18, A-1190 Vienna, Austria
3. Department for Structural and Computational Biology, Max F. Perutz Laboratories, University of Vienna, A-1030 Vienna, Austria
4. Department of Material Sciences and Process Engineering, Institute of Molecular Modeling and Simulation, BOKU−University of Natural Resources and Life Sciences, A-1190 Vienna, Austria
5. Department of Biochemistry, Faculty of Chemistry and Chemical Technology, University of Ljubljana, 1000 Ljubljana, Slovenia