2003
Pulsed High-Frequency EPR Study on the Location of Carotenoid and Chlorophyll Cation Radicals in Photosystem II
Lakshmi K, Poluektov O, Reifler M, Wagner A, Thurnauer M, Brudvig G. Pulsed High-Frequency EPR Study on the Location of Carotenoid and Chlorophyll Cation Radicals in Photosystem II. Journal Of The American Chemical Society 2003, 125: 5005-5014. PMID: 12708850, DOI: 10.1021/ja0295671.Peer-Reviewed Original ResearchMeSH KeywordsBeta CaroteneBinding SitesCationsChlorophyllCyanobacteriaDeuteriumElectron Spin Resonance SpectroscopyFerrous CompoundsFree RadicalsLight-Harvesting Protein ComplexesOxidation-ReductionPhotosynthetic Reaction Center Complex ProteinsPhotosystem II Protein ComplexProtein ConformationRhodospirillumConceptsHigh-frequency EPR spectroscopyRelaxation enhancementEPR spectroscopyRelaxation ratePS IIElectron donorChlorophyll cation radicalsSpin-lattice relaxation rateWater oxidation complexFrequency EPR StudyPigment-protein complexesPhotosystem IIGreater relaxation enhancementCarotenoid-binding siteCation radicalsChlorophyll radicalsElectron transferAlternate electron donorsEPR studiesEPR signalDistance estimatesReaction centersRadicalsSpectroscopy
2000
Characterization of Carotenoid and Chlorophyll Photooxidation in Photosystem II †
Tracewell C, Cua A, Stewart D, Bocian D, Brudvig G. Characterization of Carotenoid and Chlorophyll Photooxidation in Photosystem II †. Biochemistry 2000, 40: 193-203. PMID: 11141071, DOI: 10.1021/bi001992o.Peer-Reviewed Original ResearchMeSH KeywordsCarotenoidsChlorophyllCyanobacteriaElectron Spin Resonance SpectroscopyFree RadicalsLight-Harvesting Protein ComplexesOxidation-ReductionPhotosynthetic Reaction Center Complex ProteinsPhotosystem II Protein ComplexSpectroscopy, Near-InfraredSpectrum Analysis, RamanSpinacia oleraceaTemperatureThylakoidsConceptsSpinach PSII membranesPSII core complexesPSII membranesIR bandsElectron paramagnetic resonance spectroscopyAccessory chlorophyllPhotosystem IIParamagnetic resonance spectroscopyResonance Raman bandsPrevious spectroscopic studiesCation radicalsRaman difference spectroscopySpectroscopic studiesAlternate electron donorsElectron donorInfrared absorbanceCharacterization of carotenoidsRaman bandsResonance spectroscopyDifference spectroscopyHeme cofactorProtein conformersCore complexDifferent stabilitiesMultiphasic kineticsHigh-Field EPR Study of Carotenoid and Chlorophyll Cation Radicals in Photosystem II
Lakshmi K, Reifler M, Brudvig G, Poluektov O, Wagner A, Thurnauer M. High-Field EPR Study of Carotenoid and Chlorophyll Cation Radicals in Photosystem II. The Journal Of Physical Chemistry B 2000, 104: 10445-10448. DOI: 10.1021/jp002558z.Peer-Reviewed Original Research
1998
A New Model of Cytochrome B-559 Function Based on the Observation of A Reversible Redox-Linked Interconversion Between Two Redox forms of Cytochrome B-559
Stewart D, Brudvig G. A New Model of Cytochrome B-559 Function Based on the Observation of A Reversible Redox-Linked Interconversion Between Two Redox forms of Cytochrome B-559. 1998, 1113-1116. DOI: 10.1007/978-94-011-3953-3_265.Peer-Reviewed Original ResearchPhotosystem IIRedox formsCyt b559Electron transfer pathwayHigh-potential formLow-potential formPSII samplesMn4 clusterElectron transferCyclic electron transferAlternate electron donorsElectron donorMidpoint potentialSample preparationExtrinsic polypeptidesCytochrome b559Heme environmentB559PhotooxidationP680B-type cytochromeInterconversionPreparation
1988
Electron Donation in Photosystem II
Thompson L, Miller A, De Paula J, Brudvig G. Electron Donation in Photosystem II. Israel Journal Of Chemistry 1988, 28: 121-128. DOI: 10.1002/ijch.198800021.Peer-Reviewed Original ResearchElectron transfer pathwayElectron paramagnetic resonanceElectron donationTransfer pathwayElectron donorOxygen-evolving centerPS IIOptical spectroscopyPhotosystem IITime-resolved optical spectroscopyPrimary electron donorAlternate electron donorsParamagnetic resonanceEPR resultsCytochrome b 559EPR studiesCyclic electron transfer pathwaysMn sitesSpectroscopyPhotooxidationKinetic componentsPhotooxidation of chlorophyllDonorsKinetics