2004
Location of EPR-Active Spins Buried in Proteins from the Simulation of the Spin−Lattice Relaxation Enhancement Caused by Dy(III) Complexes †
MacArthur R, Brudvig G. Location of EPR-Active Spins Buried in Proteins from the Simulation of the Spin−Lattice Relaxation Enhancement Caused by Dy(III) Complexes †. The Journal Of Physical Chemistry B 2004, 108: 9390-9396. DOI: 10.1021/jp0355713.Peer-Reviewed Original ResearchRelaxation enhancement agentsPower saturation characteristicsIndividual moleculesRadical spinsPower saturation experimentsFrozen solutionsRelaxation enhancementEPR signalSeries of spectraProtein moleculesProtein samplesProtein solutionsStructural dataMoleculesFree radicalsHorseradish peroxidaseRelaxation rateComputational methods
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
1990
Electron Spin-Lattice Relaxation of the Stable Tyrosine Radical D+ in Photosystem II
Beck W, Innes J, Brudvig G. Electron Spin-Lattice Relaxation of the Stable Tyrosine Radical D+ in Photosystem II. 1990, 817-820. DOI: 10.1007/978-94-009-0511-5_188.Peer-Reviewed Original ResearchMn complexesO2-evolving centerDark stable S1 statePhotosystem IIPhotosynthetic H2O oxidationElectron paramagnetic resonance spectraRedox-active sitesWeak dipolar couplingsParamagnetic resonance spectraH2O oxidationOxidation stateTyrosine radicalsDipolar couplingsResonance spectraS0 stateS1 stateTyr-160D2 polypeptidesRelaxation propertiesSpin-lattice relaxation rateMagnetic propertiesElectron spin-lattice relaxation rateSpin-lattice relaxationComplexesRelaxation rate