1. Faculty of Chemistry and Chemical Technology, University of Ljubljana, Aškerčeva 5, 1000 Ljubljana, Slovenia
2. Department of Molecular Biophysics, Faculty of Physics, St. Petersburg State University, Uluanovskaya St. 1, Petrodvorets, St. Petersburg 198504, Russia
3. Department of Biochemistry, Vanderbilt University School of Medicine, Nashville, Tennessee 37232, United States