Chemistry Central Journal Poster presentation Molecular modeling studies on dengue and West Nile Virus NS2B/NS3 protease inhibitor interaction
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Abstract
Dengue Virus (DV) and West Nile Virus (WNV) are causes of severe public-health problems in many countries. Neither effective human vaccines nor drugs against both DV and WNV are available. NS2B (an essential cofactor) together with NS3 protease, which is a vital enzyme for the viruses in the replication cycle, is currently focused as the promising enzyme target for drug development. However, the active enzyme-inhibitor complex of DV is not yet experimentally available. Therefore, 3D structure of the DV's enzyme was built using the related WNV NS2B/NS3 structure as a template (2FP7.pdb) [1]. The DV model and 2FP7.pdb (WNV-X) were subjected to molecular dynamics (MD) simulations. MD simulations reveal the important of NS2B for interacting with both NS3 protease and P2 subsite of inhibitor. The final MD snapshot of D