Water Ligands Regulate the Redox Leveling Mechanism of the Oxygen-Evolving Complex of the Photosystem II
Liu J, Yang K, Long Z, Armstrong W, Brudvig G, Batista V. Water Ligands Regulate the Redox Leveling Mechanism of the Oxygen-Evolving Complex of the Photosystem II. Journal Of The American Chemical Society 2024, 146: 15986-15999. PMID: 38833517, DOI: 10.1021/jacs.4c02926.Peer-Reviewed Original ResearchProton-coupled electron transferOxygen-evolving complexWater insertionWater ligandsCatalytic cycleMolecular dynamicsO-O bondQuantum mechanics/molecular mechanicsConformational changesFree energy changeLigand environmentElectron transferLigand exchangePhotosystem IIOxygen evolutionWater binding mechanismsEnergy changeLigandBinding mechanismAqueous environmentRedoxWater bindingLigand bindingCatalystIsomerizationOccupancy Analysis of Water Molecules inside Channels within 25 Å Radius of the Oxygen-Evolving Center of Photosystem II in Molecular Dynamics Simulations
Kaur D, Reiss K, Wang J, Batista V, Brudvig G, Gunner M. Occupancy Analysis of Water Molecules inside Channels within 25 Å Radius of the Oxygen-Evolving Center of Photosystem II in Molecular Dynamics Simulations. The Journal Of Physical Chemistry B 2024, 128: 2236-2248. PMID: 38377592, DOI: 10.1021/acs.jpcb.3c05367.Peer-Reviewed Original ResearchOxygen-evolving centerWater moleculesPhotosystem IIPositions of water moleculesAnalysis of water moleculesCatalyze water oxidationHydrogen bond networkOccupancy of water moleculesMolecular dynamics simulationsD1-D61Electron density mapsMolecular dynamics analysisProton transferWater oxidationCrystallographic dataIce latticeMD simulationsMolecular dynamicsStructural transitionDynamics simulationsSubstrate waterOxygen-evolvingRoom temperatureProtein residuesMolecules