In-Silico Studies for the Inhibition of Proprotein Convertase Furin using Synthetic Compound Databases to see the Effectiveness against SARS-CoV-2 Transmission

Uppal, Gursimran Kaur; Kose, Aparna Patil; Ajgaonkar, Saiprasad; Sen, Suraj; Pal, Nilesh

doi:10.32381/jpsr.2022.38.01.44

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“…It is used primarily in Japan and South Korea to treat pancreatitis as an anticoagulant during hemodialysis. Uppal et al. (2022) used a nafamostat compound to inhibit the furin protein, where they found that it displayed a binding energy of −9.1 kcal/mol.…”

Section: Discussionmentioning

confidence: 99%

Structure-based virtual screening methods for the identification of novel phytochemical inhibitors targeting furin protease for the management of COVID-19

Kumar Tiwari,

Chouhan,

Mishra

et al. 2024

Front. Cell. Infect. Microbiol.

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The coronavirus disease 2019 (COVID-19), caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) virus, is a highly contagious respiratory disease with widespread societal impact. The symptoms range from cough, fever, and pneumonia to complications affecting various organs, including the heart, kidneys, and nervous system. Despite various ongoing efforts, no effective drug has been developed to stop the spread of the virus. Although various types of medications used to treat bacterial and viral diseases have previously been employed to treat COVID-19 patients, their side effects have also been observed. The way SARS-CoV-2 infects the human body is very specific, as its spike protein plays an important role. The S subunit of virus spike protein cleaved by human proteases, such as furin protein, is an initial and important step for its internalization into a human host. Keeping this context, we attempted to inhibit the furin using phytochemicals that could produce minimal side effects. For this, we screened 408 natural phytochemicals from various plants having antiviral properties, against furin protein, and molecular docking and dynamics simulations were performed. Based on the binding score, the top three compounds (robustaflavone, withanolide, and amentoflavone) were selected for further validation. MM/GBSA energy calculations revealed that withanolide has the lowest binding energy of −57.2 kcal/mol followed by robustaflavone and amentoflavone with a binding energy of −45.2 kcal/mol and −39.68 kcal/mol, respectively. Additionally, ADME analysis showed drug-like properties for these three lead compounds. Hence, these natural compounds robustaflavone, withanolide, and amentoflavone, may have therapeutic potential for the management of SARS-CoV-2 by targeting furin.

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Section: Discussionmentioning

confidence: 99%