Affiliation:
1. Department of Biotechnology Institute of Engineering and Technology Dr. A.P.J. Abdul Kalam Technical University Sitapur Road Lucknow 226021 (U.P. India
2. Department of Microbiology King George Medical University Lucknow 226003 (U.P.) India
3. Research and Scientific Studies Unit College of Nursing and Allied Health Sciences Jazan University Jazan 45142 Saudi Arabia
4. Gilbert and Rose-Marie Chagoury School of Medicine Lebanese American University Beirut Lebanon
5. Centre of Medical and Bio-Allied Health Sciences Research Ajman University Ajman United Arab Emirates
Abstract
AbstractNew treatment regimens against tuberculosis (TB), which is still a serious social problem, are urgently needed. Herein, the anti‐TB potential of methanolic extract of Saraca asoca (S. asoca) was evaluated against Mycobacterium tuberculosis (Mtb) H37Rv strain and ∼88 % inhibition was achieved. To explore the interaction of phytochemicals with the targets of mycobacteria, 13 phytochemicals of S. asoca were docked with 3 receptors of Mtb H37Rv viz VapC2, PPE41, and CarD. Among these phytochemicals, Epicatechol, Leucocynadin and Procynidin were found most effective against Mtb H37Rv VapC2 protein with docking energy of −9.92110, −9.77605 and −10.62900 kcal/mol, respectively. Isolariciresinol and Procynidin were effective against CarD (−8.18264 and −9.97703 kcal/mol, respectively) and PPE41 (docking energy −9.16713 and −11.59770 kcal/mol, respectively). ADMET properties suggested good bioavailability of the active compounds. Molecular dynamics simulation studies revealed that Epicatechol complex with VapC2 protein stabilized after 20 ns and can be further explored for its anti‐TB potential via cell‐based co‐culture assays and animal studies.
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