{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,26]],"date-time":"2026-06-26T22:35:21Z","timestamp":1782513321325,"version":"3.54.5"},"reference-count":85,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2024,1,11]],"date-time":"2024-01-11T00:00:00Z","timestamp":1704931200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Proteins"],"published-print":{"date-parts":[[2024,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The new viral strains of severe acute respiratory syndrome coronavirus\u20102 (SARS\u2010CoV\u20102) are continuously rising, becoming more virulent, and transmissible. Therefore, the development of new antiviral drugs is essential. Due to its significant role in the viral life cycle of SARS\u2010CoV\u20102, the main protease (Mpro) enzyme is a leading target for antiviral drug design. The Mpro monomer consists of domain DI, DII, and DI\u2010DII interface. Twenty\u2010one conserved water molecules (W4\u2013W24) are occupied at these domains according to multiple crystal structure analyses. The crystal and MD structures reveal the presence of eight conserved water sites in domain DI, DII and remaining in the DI\u2010DII interface. Grid\u2010based inhomogeneous fluid solvation theory (GIST) was employed on MD structures of Mpro native to predict structural and thermodynamic properties of each conserved water site for focusing to identify the specific conserved water molecules that can easily be displaced by proposed ligands. Finally, MD water W13 is emerged as a promising candidate for water mimic drug design due to its low mean interaction energy, loose binding character with the protein, and its involvement in a water\u2010mediated H\u2010bond with catalytic His41 via the interaction Thr25(OG)\u2010\u2010\u2010W13\u2010\u2010\u2010W\u2010\u2010\u2010His41(NE2). In this context, water occupancy, relative interaction energy, entropy, and topologies of W13 are thermodynamically acceptable for the water displacement method. Therefore, the strategic use of W13's geometrical position in the DI domain may be implemented for drug discovery against COVID disease by designing new ligands with appropriately oriented chemical groups to mimic its structural, electronic, and thermodynamic properties.<\/jats:p>","DOI":"10.1002\/prot.26665","type":"journal-article","created":{"date-parts":[[2024,1,12]],"date-time":"2024-01-12T07:35:31Z","timestamp":1705044931000},"page":"735-749","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Structural and thermodynamic properties of conserved water molecules in Mpro native: A combined approach by <scp>MD<\/scp> simulation and Grid Inhomogeneous Solvation Theory"],"prefix":"10.1002","volume":"92","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2117-6764","authenticated-orcid":false,"given":"Hridoy R.","family":"Bairagya","sequence":"first","affiliation":[{"name":"Computational Drug Design and 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