1. Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Ulitsa Miklukho-Maklaya, 16/10, 117997 Moscow, Russia
2. Faculty of Applied Mathematics, National Research University Higher School of Economics, 101000 Moscow, Russia
3. Moscow Institute of Physics and Technology (State University), 141701 Dolgoprudny, Russia
4. Vaccine Research Center, National Institute of Allergy and Infectious Diseases, NIH, Bethesda, MD 20892, USA