Water oxidation chemistry of photosystem II
Vrettos J, Brudvig G. Water oxidation chemistry of photosystem II. Philosophical Transactions Of The Royal Society B Biological Sciences 2002, 357: 1395-1405. PMID: 12437878, PMCID: PMC1693042, DOI: 10.1098/rstb.2002.1136.Peer-Reviewed Original ResearchConceptsManganese clusterProton-coupled electron transfer stepsO bond-forming stepPhotosystem IIWater oxidation chemistryBond-forming stepElectron transfer stepFour-electron oxidationTetranuclear manganese clusterOxidation chemistryWater moleculesModel chemistryO bondNucleophilic attackIon selectivityBiophysical studiesChemistryCalcium sitesOxidationSpecific roleModel systemComplexesHis190Recent studiesWaterProton-Coupled Electron Transfer Involving Tyrosine Z in Photosystem II †
Kühne H, Brudvig G. Proton-Coupled Electron Transfer Involving Tyrosine Z in Photosystem II †. The Journal Of Physical Chemistry B 2002, 106: 8189-8196. DOI: 10.1021/jp0206222.Peer-Reviewed Original ResearchO2-evolving complexYZ oxidationOxidation reactionTyrosine ZProton-coupled electron transfer stepsManganese-depleted photosystem IIPhotosystem IIWater oxidation reactionOxidation of waterOxidation of YZElectron transfer stepProton inventory experimentsProton movementWater oxidationElectron transferRedox mechanismNumber of protonsTransfer stepOxidation processOnset temperatureSecondary donorDeuterated samplesOxidationIsotope effectChloride ions