Author(s): Lubna Zeenat, Shalini Prajapati, Satyam Sangeet, Arshad Khan, Khushhali M Pandey

Email(s): lubnazeenat919@gmail.com

DOI: 10.52711/0974-360X.2023.00762   

Address: Lubna Zeenat1*, Shalini Prajapati1, Satyam Sangeet2, Arshad Khan1, Khushhali M Pandey1
1Department of Biological Science and Engineering, Maulana Azad National Institute of Technology, Bhopal (M.P.), India.
2Department of Chemistry, Indian Institute of Science Education and Research (IISER), Kolkata, West Bengal, India.
*Corresponding Author

Published In:   Volume - 16,      Issue - 10,     Year - 2023


ABSTRACT:
Background: Staphylococcus aureus is a threat to human health, it colonizes one-third of the human population via skin or nose and deeper intrusions into tissues have catastrophic consequences. The bacterium secretes virulence proteins like CHIP and SCIN and extracellular adhesins like extracellular adherence (Eap) proteins. Eap and its functionally orphan homologs, EapH1 and EapH2; are a class of secreted proteins that inhibit neutrophil serine proteases such as neutrophil elastase (HNE) that is linked to tissue degradation in a variety of disease conditions including inflammatory disorders. Commercial drugs used against S.aureus such as Nafcillin, Pefloxacin, etc. have been known to have negative effects and are not recommended for children, the elderly, or pregnant women. Objective: The current research focuses on discovering phytochemicals found in Indian medicinal herbs that have been used as spices for ages and are already beneficial against a variety of illnesses and ailments to be used against Eap proteins. Method: Molecular docking;absorption, distribution, metabolism, excretion, toxicity (ADMET) analysis and Simulation were performed to see if these phytochemicals interact with the active site residues of Eap proteins and function as competitive inhibitors of NE and to know their drug like properties and gather information about the system dynamics. 19 phytochemicals were selected from receptor-ligand docking. The selected molecules were pharmacologically tested through Lipinski’s analysis; to know their ability for being formulated into drugs. ADMET analysis was carried out to define the biological characteristic of phytochemicals inside the living body. The phytochemicals with the best docking score and drug likeliness were analysed by Molecular Simulation to observe the fluctuation of participating and interacting amino acids with Eaph1 and Eaph2 respectively. Result: Among the nineteen phytochemicals that were chosen for docking only the best eleven interactions were chosen for ADMET analysis. The top hit phytochemicals for Eaph1 and Eaph2 were Curcumin and Eugenol respectively, which was well demonstrated by Molecular dynamic simulation. Conclusion: The present study has established the hypothesis that phytochemicals have a scope to replace commercial drugs against the Eap virulence system of Staphylococcus aureus


Cite this article:
Lubna Zeenat, Shalini Prajapati, Satyam Sangeet, Arshad Khan, Khushhali M Pandey. In-silico Screening of Potential Phytochemicals against Extracellular Adherence (Eap) Protein of Staphylococcus aureus from Indian Medicinal Plants. Research Journal of Pharmacy and Technology 2023; 16(10):4691-7. doi: 10.52711/0974-360X.2023.00762

Cite(Electronic):
Lubna Zeenat, Shalini Prajapati, Satyam Sangeet, Arshad Khan, Khushhali M Pandey. In-silico Screening of Potential Phytochemicals against Extracellular Adherence (Eap) Protein of Staphylococcus aureus from Indian Medicinal Plants. Research Journal of Pharmacy and Technology 2023; 16(10):4691-7. doi: 10.52711/0974-360X.2023.00762   Available on: https://rjptonline.org/AbstractView.aspx?PID=2023-16-10-32


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