4.6 Article

Computational Identification of Potential Multitarget Inhibitors of Nipah Virus by Molecular Docking and Molecular Dynamics

期刊

MICROORGANISMS
卷 10, 期 6, 页码 -

出版社

MDPI
DOI: 10.3390/microorganisms10061181

关键词

Nipah virus; molecular docking; small-molecule inhibitors; molecular dynamics; drug repurposing; multitarget inhibitor

资金

  1. DST-Science and Engineering Research Board (SERB), the Government of India [PDF/2016/002009, PDF/2016/002422]
  2. CSIR-Institute of Microbial Technology, Council of Scientific and Industrial Research (CSIR) [GAP0001, STS0038]

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Nipah virus is an emerging paramyxovirus with no approved molecular therapeutics for human use. In this study, a sequential molecular docking and molecular dynamics approach was used to identify potential multitarget inhibitors against Nipah virus by targeting its attachment glycoprotein G, fusion glycoprotein, and nucleoprotein. Two phytochemical molecules, RASE0125 and CARS0358, were found to be distinct multitarget inhibitors, along with a chemical molecule, ND_nw_193. These compounds could be potential candidates for further antiviral studies and clinical treatment of Nipah virus.
Nipah virus (NiV) is a recently emerged paramyxovirus that causes severe encephalitis and respiratory diseases in humans. Despite the severe pathogenicity of this virus and its pandemic potential, not even a single type of molecular therapeutics has been approved for human use. Considering the role of NiV attachment glycoprotein G (NiV-G), fusion glycoprotein (NiV-F), and nucleoprotein (NiV-N) in virus replication and spread, these are the most attractive targets for anti-NiV drug discovery. Therefore, to prospect for potential multitarget chemical/phytochemical inhibitor(s) against NiV, a sequential molecular docking and molecular-dynamics-based approach was implemented by simultaneously targeting NiV-G, NiV-F, and NiV-N. Information on potential NiV inhibitors was compiled from the literature, and their 3D structures were drawn manually, while the information and 3D structures of phytochemicals were retrieved from the established structural databases. Molecules were docked against NiV-G (PDB ID:2VSM), NiV-F (PDB ID:5EVM), and NiV-N (PDB ID:4CO6) and then prioritized based on (1) strong protein-binding affinity, (2) interactions with critically important binding-site residues, (3) ADME and pharmacokinetic properties, and (4) structural stability within the binding site. The molecules that bind to all the three viral proteins (NiV-G boolean AND NiV-F boolean AND NiV-N) were considered multitarget inhibitors. This study identified phytochemical molecules RASE0125 (17-O-Acetyl-nortetraphyllicine) and CARS0358 (NA) as distinct multitarget inhibitors of all three viral proteins, and chemical molecule ND_nw_193 (RSV604) as an inhibitor of NiV-G and NiV-N. We expect the identified compounds to be potential candidates for in vitro and in vivo antiviral studies, followed by clinical treatment of NiV.

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