2004
Investigation of the Functional Role of Ca2+ in the Oxygen‐Evolving Complex of Photosystem II: A pH‐Dependence Study of the Substitution of Ca2+ by Sr2+
Lee C, Brudvig G. Investigation of the Functional Role of Ca2+ in the Oxygen‐Evolving Complex of Photosystem II: A pH‐Dependence Study of the Substitution of Ca2+ by Sr2+. Journal Of The Chinese Chemical Society 2004, 51: 1221-1228. DOI: 10.1002/jccs.200400178.Peer-Reviewed Original ResearchOxygen-evolving complexOxygen evolution activityPhotosystem IISr 2Water oxidation chemistryOxidation of waterPH dependenceMetal ions resultsTetranuclear manganese clusterElectron acceptor sidePH dependence studyOxidation chemistryWater oxidationManganese clusterLewis acidOxygen-evolving activityOxygen evolutionEssential acidic groupAcidic groupsSubstitution of Ca2Ions resultsOnly ionsCatalytic siteCa 2Chloride ions
2002
Proton-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