Target Based Virtual Screening of New Leads Inhibitor against Bacterial Cell Division Protein FtsZ for the Discovery of Antibacterial Agents

(E-pub Ahead of Print)

Author(s): Ratish Chandra Mishra , Rosy Kumari , Shivani Yadav , Jaya Parkash Yadav* .

Journal Name: Medicinal Chemistry

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Background: Staphylococus epidermidis coagulase negative and gram positive streptococci have emerged as major nosocomial pathogens associated with the infection of implanted medical devices and dandruff on human scalp. S. epidermidis filamenting temperature-sensitive mutant Z (FtsZ) gene encoded FtsZ protein that assembles at future bacterial cell division site that forms Z-ring structure. FtsZ is a tubulin homolog protein with low sequence similarity; this makes it possible to inhibit bacterial FtsZ protein without affecting the eukaryote cell division.

Objective: In the present study, phytochemicals of Cinnamomum zeylanicum, Punica granatum and Glycyrrhiza glabra were virtually screened for their antibacterial activity against Staphylococcus epidermidis cell division protein, FtsZ.

Methods: Molecular docking method was used to investigate new lead inhibitor against bacterial cell division protein FtsZ. SwissADME and ProTox tool were used to evaluate the toxicity of the lead molecule.

Results: Molecular docking based screening confirmed that among 122 phytochemicals, β- Sitosterol and glabrol showed the highest inhibitory activity against FtsZ. SwissADME tool showed β-Sitosterol and glabrol as the ideal antibacterial agents.

Conclusion: Structure based drug design strategy has been broadly used to optimize antimicrobial activity of small molecule/ligand against large protein receptor of disease, causing pathogens which gives a major breakthrough in pharmaceuticals industries. The Molecular docking and SwissADME tool showed that β-sitosterol and glabrol may be developed to be potential topical and sublingual antibacterial agents, respectively.

Keywords: Phytochemicals, FtsZ, S. epidermidis, Antibacterial, Molecular docking, MBE, ADME

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(E-pub Ahead of Print)
DOI: 10.2174/1573406415666190206233448
Price: $95

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