1989
Oxidation of exogenous substrates by the O2-evolving center of photosystem II and related catalytic air oxidation of secondary alcohols via a tetranuclear manganese(IV) complex.
Beck W, Sears J, Brudvig G, Kulawiec R, Crabtree* R. Oxidation of exogenous substrates by the O2-evolving center of photosystem II and related catalytic air oxidation of secondary alcohols via a tetranuclear manganese(IV) complex. Tetrahedron 1989, 45: 4903-4911. DOI: 10.1016/s0040-4020(01)85159-0.Peer-Reviewed Original ResearchMn complexesH2O oxidationOxidation stateAir oxidationStrong oxidantsSecondary alcoholsPhotosynthetic H2O oxidationPhotosystem IIS1 stateLower oxidation statesCatalytic air oxidationLight-driven generationO2 evolution activityOxidation chemistryO2-evolving centerCatalytic cycleOxidizing statePrimary aminesSecondary aminesReductive mechanismOxidationComplexesExogenous ligandsCenter actsOxidants
1986
Binding of amines to the O2-evolving center of photosystem II.
Beck W, Brudvig G. Binding of amines to the O2-evolving center of photosystem II. Biochemistry 1986, 25: 6479-86. PMID: 3024709, DOI: 10.1021/bi00369a021.Peer-Reviewed Original ResearchConceptsO2-evolving centerMultiline EPR spectrumMultiline EPR signalEPR signalS2 statePSII membranesLow-temperature electron paramagnetic resonance (EPR) spectroscopyEPR spectraElectron paramagnetic resonance spectroscopyS2-state multiline EPR signalPhotosystem IIBinding of NH3Untreated PSII membranesDirect spectroscopic evidenceParamagnetic resonance spectroscopySpinach PSII membranesMn sitesBinding of aminesDifferent EPR signalsNH3 moleculesSpectroscopic evidencePrimary aminesSteric factorsParamagnetic sitesResonance spectroscopy