{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,27]],"date-time":"2026-02-27T06:18:11Z","timestamp":1772173091480,"version":"3.50.1"},"update-to":[{"DOI":"10.1371\/journal.pcbi.1010195","type":"new_version","label":"New version","source":"publisher","updated":{"date-parts":[[2022,6,14]],"date-time":"2022-06-14T00:00:00Z","timestamp":1655164800000}}],"reference-count":74,"publisher":"Public Library of Science (PLoS)","issue":"6","license":[{"start":{"date-parts":[[2022,6,2]],"date-time":"2022-06-02T00:00:00Z","timestamp":1654128000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["11974173"],"award-info":[{"award-number":["11974173"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["11934008"],"award-info":[{"award-number":["11934008"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["11574132"],"award-info":[{"award-number":["11574132"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["CHE09--14033"],"award-info":[{"award-number":["CHE09--14033"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"name":"High Performance Computing Center of Nanjing University"}],"content-domain":{"domain":["www.ploscompbiol.org"],"crossmark-restriction":false},"short-container-title":["PLoS Comput Biol"],"abstract":"<jats:p>\n                    Allosteric communication between distant parts of proteins controls many cellular functions, in which metal ions are widely utilized as effectors to trigger the allosteric cascade. Due to the involvement of strong coordination interactions, the energy landscape dictating the metal ion binding is intrinsically rugged. How metal ions achieve fast binding by overcoming the landscape ruggedness and thereby efficiently mediate protein allostery is elusive. By performing molecular dynamics simulations for the Ca\n                    <jats:sup>2+<\/jats:sup>\n                    binding mediated allostery of the calmodulin (CaM) domains, each containing two Ca\n                    <jats:sup>2+<\/jats:sup>\n                    binding helix-loop-helix motifs (EF-hands), we revealed the key role of water-bridged interactions in Ca\n                    <jats:sup>2+<\/jats:sup>\n                    binding and protein allostery. The bridging water molecules between Ca\n                    <jats:sup>2+<\/jats:sup>\n                    and binding residue reduces the ruggedness of ligand exchange landscape by acting as a lubricant, facilitating the Ca\n                    <jats:sup>2+<\/jats:sup>\n                    coupled protein allostery. Calcium-induced rotation of the helices in the EF-hands, with the hydrophobic core serving as the pivot, leads to exposure of hydrophobic sites for target binding. Intriguingly, despite being structurally similar, the response of the two symmetrically arranged EF-hands upon Ca\n                    <jats:sup>2+<\/jats:sup>\n                    binding is asymmetric. Breakage of symmetry is needed for efficient allosteric communication between the EF-hands. The key roles that water molecules play in driving allosteric transitions are likely to be general in other metal ion mediated protein allostery.\n                  <\/jats:p>","DOI":"10.1371\/journal.pcbi.1010195","type":"journal-article","created":{"date-parts":[[2022,6,2]],"date-time":"2022-06-02T13:43:13Z","timestamp":1654177393000},"page":"e1010195","update-policy":"https:\/\/doi.org\/10.1371\/journal.pcbi.corrections_policy","source":"Crossref","is-referenced-by-count":9,"title":["Role of water-bridged interactions in metal ion coupled protein 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