1. Department of Physical and Macromolecular Chemistry, Faculty of Science, Charles University in Prague, Hlavova 2030, 128 43 Prague 2, Czech Republic; Gilead Sciences and IOCB Research Center, Institute of Organic Chemistry and Biochemistry, AS CR, Flemingovo n. 2, 166 10 Prague 6, Czech Republic; Department of Analytical Chemistry, Institute of Chemical Technology, Prague, Czech Republic; and Laboratory of Molecular Virology and Biological Chemistry, Center of Medical Biology, Polish Academy of Sciences,...