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Methyltransferases of human +ssRNA viruses
Skořepa, Jan ; Bouřa, Evžen (advisor) ; Otava, Tomáš (referee)
The aim of this bachelor's thesis is a structural and functional description of viral methyltransferases of important human +ssRNA viruses from the families Coronaviridae and Flaviviridae. Over 400 million people are infected with diseases such as Dengue, Yellow fever, or Japanese encephalitis (Flaviviridae) every year. During the current pandemic of the SARS-CoV-2 virus (Coronaviridae), more than 750 million people have already been infected worldwide. Methyltransferases are involced in the synthesiz of the cap structure at the 5' end of the viral RNA, which increases its stability and facilitates translation. A detailed structural understanding of proteins NS5 (Flaviviridae methyltransferase), nsp14 and nsp16 (Coronaviridae methyltransferases) is necessary for the subsequent development of their inhibitors. As antivirals, these could help with the treatment of viral diseases caused by coronaviruses and flaviviruses.

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