1. Computational & Chemical Biology, Fondazione Istituto Italiano di Tecnologia, Via Morego 30, I-16163 Genova, Italy
2. Department of Structural Biology, Stanford University, Palo Alto, California 94305, United States
3. Center for Life Nano & Neurosciences at La Sapienza, Fondazione Istituto Italiano di Tecnologia, via Regina Elena, 295, I-00161 Roma, Italy
4. Physics Department, Harvard University, 17 Oxford Street, Cambridge, Massachusetts 02138, United States
5. Department of Biochemistry and Biophysics, Stockholm University, SE-106 91 Stockholm, Sweden
6. Science for Life Laboratory, Stockholm University, 17165 Solna, Sweden
7. Department of Pharmacy and Biotechnology, University of Bologna, Via Belmeloro 6, I-40126 Bologna, Italy