2017
Alternative Electron Acceptors for Photosystem II
Wiwczar J, Brudvig G. Alternative Electron Acceptors for Photosystem II. 2017, 51-66. DOI: 10.1007/978-3-319-48873-8_4.Peer-Reviewed Original ResearchElectron acceptorPhotosystem IIPhotochemical water oxidationElectron acceptor moleculesCobalt coordination complexesElectron acceptor sideElectron transfer pathwayRedox midpoint potentialAlternative electron transfer pathwaysCoordination complexesWater oxidationElectron transferMolecular oxygenMidpoint potentialCation exchangeExogenous electron acceptorsOxygenic photosynthetic organismsAcceptor sidePhotosynthetic electron transport chainAcceptorEnergy applicationsAlternative electron acceptorsThylakoid membranesCytochrome c.Photosynthetic organisms
2005
The mechanism of photosynthetic water splitting
McEvoy J, Gascon J, Batista V, Brudvig G. The mechanism of photosynthetic water splitting. Photochemical & Photobiological Sciences 2005, 4: 940-949. PMID: 16307106, DOI: 10.1039/b506755c.Peer-Reviewed Original ResearchConceptsProtein complex photosystem IIOxygen-evolving complexWater splittingPhotosynthetic water splittingGreen plant chloroplastsMolecular mechanics calculationsPhotosynthetic light reactionsRecent experimental resultsElectron transfer pathwayX-ray crystallographic modelSource of electronsProton concentration gradientPlant chloroplastsProduct protonsMechanics calculationsOxygenic photosynthesisDioxygen gasThylakoid lumenAerobic lifeElectronsThylakoid membranesCatalytic mechanismChemical energyPhotosystem IIManganese ions
1996
Isolation and Characterization of Spinach Photosystem II Membrane-Associated Catalase and Polyphenol Oxidase †
Sheptovitsky Y, Brudvig G. Isolation and Characterization of Spinach Photosystem II Membrane-Associated Catalase and Polyphenol Oxidase †. Biochemistry 1996, 35: 16255-16263. PMID: 8973199, DOI: 10.1021/bi9613842.Peer-Reviewed Original ResearchMeSH KeywordsAmino AcidsCatalaseCatechol OxidaseChloroplastsChromatography, High Pressure LiquidChromatography, Ion ExchangeCopperElectrophoresis, Polyacrylamide GelHot TemperatureIntracellular MembranesKineticsMolecular WeightOxygenOxygen ConsumptionPeptide MappingPhotosynthetic Reaction Center Complex ProteinsPhotosystem II Protein ComplexSpectrophotometrySpinacia oleraceaSubstrate SpecificityConceptsPSII membranesCentre of PSIIUV-visible absorptionO2 evolution activityThylakoid membranesSpinach thylakoid membranesAnion-exchange chromatographyMembrane-associated catalaseHeme enzymesBatch adsorptionHeme catalasesMild heat treatmentHeat treatmentMolecular weightAnion-exchange beadsNative molecular weightPPOIrreversible aggregationGel filtrationFurther manipulationAdsorptionAmino acid compositionTriazoleMembraneChromatography
1989
Characterization of the multiple forms of cytochrome b559 in photosystem II.
Thompson L, Miller A, Buser C, de Paula J, Brudvig G. Characterization of the multiple forms of cytochrome b559 in photosystem II. Biochemistry 1989, 28: 8048-56. PMID: 2557895, DOI: 10.1021/bi00446a012.Peer-Reviewed Original ResearchConceptsCytochrome b559PSII membranesPhotosystem II protein complexUntreated PSII membranesExtrinsic polypeptidesLow-temperature photooxidationMn complexesPSII samplesEPR spectroscopyLigand fieldRedox titrationRedox formsEPR signalPhotosystem IIB559ComplexesThylakoid membranesPhotooxidationSpectroscopyProtein complexesUnique abilityMembraneTitrationConformationRemoval
1985
Active and resting states of the O2-evolving complex of photosystem II.
Beck W, De Paula J, Brudvig G. Active and resting states of the O2-evolving complex of photosystem II. Biochemistry 1985, 24: 3035-43. PMID: 2990539, DOI: 10.1021/bi00333a035.Peer-Reviewed Original ResearchConceptsO2-evolving complexEPR signalPSII membranesLow-temperature electron paramagnetic resonance (EPR) spectroscopyPhotosystem IIElectron paramagnetic resonance spectroscopyS2-state multiline EPR signalParamagnetic resonance spectroscopyS2 state EPR signalsMn sitesMultiline EPR signalSpinach photosystem IIThylakoid membranesCatalytic reductionChemical propertiesResonance spectroscopyDifferent hyperfine structureO2