Electron-transfer reactions in manganese-depleted photosystem II.
Buser C, Thompson L, Diner B, Brudvig G. Electron-transfer reactions in manganese-depleted photosystem II. Biochemistry 1990, 29: 8977-85. PMID: 2176840, DOI: 10.1021/bi00490a014.Peer-Reviewed Original ResearchConceptsMn-depleted photosystem II membranesElectron donation reactionsManganese-depleted photosystem IIElectron donationCytochrome b559Photosystem II membranesElectron paramagnetic resonance spectroscopyGlobal fitPSII samplesParamagnetic resonance spectroscopyEnergy differenceP680Room temperaturePhotosystem IIElectron transfer reactionsTime scalesLifetimeDecayFree energy differenceElectron transferRate constantsB559Resonance spectroscopySame orderRate of photooxidationElectron-transfer events leading to reconstitution of oxygen-evolution activity in manganese-depleted photosystem II membranes.
Miller A, Brudvig G. Electron-transfer events leading to reconstitution of oxygen-evolution activity in manganese-depleted photosystem II membranes. Biochemistry 1990, 29: 1385-92. PMID: 2159337, DOI: 10.1021/bi00458a007.Peer-Reviewed Original ResearchConceptsPhotooxidation of Mn2Photosystem II membranesO2 evolution activityMn complexesElectron donationMn-depleted photosystem IIPhotosystem IIElectron paramagnetic resonance spectroscopyFirst photochemical stepElectron donation reactionsCharge-separated stateElectron transfer eventsCytochrome bParamagnetic resonance spectroscopyMn-depleted photosystem II membranesOxygen evolution activityUntreated photosystem IILow quantum yieldSlower electron donationPhotochemical stepPrevious kinetic studiesTurnover reactionsElementary stepsElectron donorPhotooxidation