2011
Thermal stability of [Mn(III)(O)2Mn(IV)(H2O)2(Terpy)2](NO3)3 (Terpy=2,2′:6′,2″-terpyridine) in aqueous solution
Zhang F, Cady C, Brudvig G, Hou H. Thermal stability of [Mn(III)(O)2Mn(IV)(H2O)2(Terpy)2](NO3)3 (Terpy=2,2′:6′,2″-terpyridine) in aqueous solution. Inorganica Chimica Acta 2011, 366: 128-133. DOI: 10.1016/j.ica.2010.10.021.Peer-Reviewed Original ResearchOxo dimerMn4Ca clusterAqueous solutionThermal stabilitySolar fuel productionOxygen evolution activityFirst fast stepMn valence changeAtomic absorption spectroscopyCatalytic materialsElemental analysisPS IIManganese dioxideAbsorption spectroscopyConversion of waterNovel MnDimer compoundsMn valenceSlow stepFast stepSolid MnThermal decompositionValence changeUnique materialFuel production
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
2001
Photosynthetic Water Oxidation in Cytochromeb 559 Mutants Containing a Disrupted Heme-binding Pocket*
Morais F, Kühn K, Stewart D, Barber J, Brudvig G, Nixon P. Photosynthetic Water Oxidation in Cytochromeb 559 Mutants Containing a Disrupted Heme-binding Pocket*. Journal Of Biological Chemistry 2001, 276: 31986-31993. PMID: 11390403, DOI: 10.1074/jbc.m103935200.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBase SequenceCarrier ProteinsChlamydomonas reinhardtiiCytochrome b GroupDNA PrimersElectron Spin Resonance SpectroscopyHeme-Binding ProteinsHemeproteinsMutagenesis, Site-DirectedMutationOxidation-ReductionPhotosynthesisPhotosynthetic Reaction Center Complex ProteinsPhotosystem II Protein ComplexWaterConceptsPhotosynthetic oxygen evolutionMethionine mutantsWild typeAlpha subunitLight-saturated ratePhotosystem two complexWild-type levelsHeme of cytochromePhotosynthetic water oxidationHeme-binding pocketOxygen evolutionChloroplast mutantsPSII supercomplexesHistidine axial ligandsChlamydomonas reinhardtiiGlutamine mutantTyrosine mutantsMutantsType levelsRedox roleHemeSubunitsOxygen evolution activityTyrosineComplexes
1992
Calcium binding site(s) of Photosystem II as probed by lanthanides
Bakou A, Buser C, Dandulakis G, Brudvig G, Ghanotakis D. Calcium binding site(s) of Photosystem II as probed by lanthanides. Biochimica Et Biophysica Acta (BBA) - Bioenergetics 1992, 1099: 131-136. DOI: 10.1016/0005-2728(92)90209-k.Peer-Reviewed Original Research
1990
Electron-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
1986
Differential scanning calorimetric studies of photosystem II: evidence for a structural role for cytochrome b559 in the oxygen-evolving complex.
Thompson L, Sturtevant J, Brudvig G. Differential scanning calorimetric studies of photosystem II: evidence for a structural role for cytochrome b559 in the oxygen-evolving complex. Biochemistry 1986, 25: 6161-9. PMID: 3790512, DOI: 10.1021/bi00368a050.Peer-Reviewed Original ResearchConceptsOxygen-evolving complexDifferential scanning calorimetryCytochrome b559Oxygen evolution activityPeak A2Photosystem IIDifferential scanning calorimetric studiesOxidation stateRelative peak areasScanning calorimetric studiesEvolution activityDSC studiesScanning calorimetryDSC tracesPeak areaC temperature rangeDegrees C temperature rangeEndothermic transitionLight-harvesting chlorophyllLow temperature shoulderDSC peakNew probeCalorimetric studiesB559PS II