Molecular Docking and Dynamics of 2,5-Pyrrolidinedione Analogue Using the SARS-CoV-2 Main Protease as Target Protein | ||
| Infection Epidemiology and Microbiology | ||
| Volume 11, Issue 3, Autumn 2025, Pages 269-283 PDF (3.61 M) | ||
| Document Type: Original Article | ||
| DOI: 10.61882/iem.11.3.269 | ||
| Authors | ||
| Sultan D. Y. Albakhit1; Sajjad Hassan Ali2; Sajood Qasim Ibrahim3; Kithar Rasheed Majeed4; Noor H. Faisal5; Ali A. A. Al-Shawi* 5; Kawkab Ali Hussein5; Osama A. Mohsein6; Wafa Ali Eltayb7; Romisa Mamoun8; Mohnad Abdalla* 9 | ||
| 1Branch of Basic Sciences, College of Dentistry, University of Basrah, Basrah, Iraq | ||
| 2Department of Chemical and Petroleum Refining Engineering, College of Oil and Gas Engineering, Basrah University for Oil and Gas, Basrah, Iraq | ||
| 3Department of Polymer and Petrochemical Engineering, College of Oil and Gas Engineering, Basrah University for Oil and Gas, Basrah, Iraq | ||
| 4Department of Food Science, College of Agriculture, University of Basrah, Basrah, Iraq | ||
| 5Department of Chemistry, College of Education for Pure Sciences, University of Basrah, Basrah, Iraq | ||
| 61- Department of Medical Laboratory Techniques, Mazaya University College, Thi-Qar, Iraq 2- Thi-Qar Health Directorate, Al Habbobi Teaching Hospital, Thi-Qar, Iraq | ||
| 7Biotechnology Department, Faculty of Science and Technology, Shendi University, Shendi 11111, Sudan | ||
| 8School of Pharmaceutical Science and Technology,Tianjin university, Tianjin 300072, China | ||
| 9Pediatric Research Institute, Children's Hospital Affiliated to Shandong University, Jinan, Shandong 250022, China | ||
| Abstract | ||
| Backgrounds: The goal of this study was to employ molecular docking and dynamics to investigate the interactions of twelve maleimide and succinimide derivatives (SD1-SD12) with the SARS-CoV-2 main protease (Mpro) (PDB ID:6LU7). Materials & Methods: Molecular docking and molecular dynamics simulations were performed to study the interaction of twelve derivatives (SD1-SD12) of maleimide and succinimide with the SARS-CoV-2 main protease (Mpro) (PDB ID:6LU7). Four compounds (SD1, SD4, SD8, and SD12) were selected for further molecular docking analysis based on their binding energies (-7, -7.3, -7.3, and -7.2 kcal/mol, respectively), which were lower than the other compounds and close to the control crystal (-8.5 kcal/mol). Molecular docking was used to find the binding energy of non-bonding interactions between ligand and receptor in connection to the SARS-CoV-2 main protease (PDB code: 6LU7). Findings: Molecular docking results showed binding energies ranging from -7.3 to -6.5 kcal/mol for the 2,5-pyrrolidinedione analog, the co-crystallized control ligand exhibited a binding energy of -8.5 kcal/mol. SD1 exhibited the best binding mode and drug-like properties to inhibit the SARS-CoV-2 main protease compared to the other ligands. Among the demonstrated interactions with the protein, RMSD (root mean square deviation) values decreased due to the improved and more stable states. Conclusion: Overall, the current study proposed a strategy to combat COVID-19 using pharmaceuticals as prospective agents, which might also serve as a starting point for drug discovery. Additional studies on the target compounds are expected to yield substantial advances in the fight against COVID-19. | ||
| Keywords | ||
| Cyclic imides; Succinimide derivatives; Maleimide derivatives; molecular dockiong; SARS-CoV-2 main protease (Mpro) | ||
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