In silico investigation of molecular mechanisms of antiviral and antimicrobial activity

Kierownik projektu: Adam Liwo


  • Nevena Ilieva

Uniwersytet Gdański

Wydział Chemii


Data otwarcia: 2021-02-01

Streszczenie projektu

We aim at performing computational studies of properties and interactions of certain biomolecules. Specifically, we plan to investigate the molecular mechanisms of the interaction between the two SARS-CoV-2 proteins ORF6 and Nsp13 with the proteins of the target cells RAE1, RAE1-NUP98, KPNA2, KPNB1, and TBK1. On the computational part, these include development of 3D models of the viral proteins, investigation of their interactions with the cellular targets in order to identify the binding sites, and rational search for molecules capable of blocking the biological activity of ORF6 and Nsp13. The simulations will be guided and validated by laboratory tests. The primary goal of the project is identification of the mechanisms and the corresponding means (existing drugs or new molecules) for unblocking the IFN pathways and reactivating the innate immune response in cells infected by SARS-CoV-2.
As next, we envisage a series of simulations aiming at understanding the biological activity of a natural substance – the Helix aspersa mucus. The identification of the active components in this multicomponent substance is necessary to develop alternative therapies against multi-resistant bacterial strains. In order to study the mechanism of action of certain newly isolated antimicrobial peptides we shall perform simulations of peptide-membrane interactions for selected representative AMPs.
We shall keep (mainly) to all-atom approach, but where suitable, we shall use both all-atom and coarse-grain approaches. The investigated systems range from several hundred thousand to a million atoms and require significant computational resources.

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