2005
Catalytic Oxygen Evolution by a Bioinorganic Model of the Photosystem II Oxygen-Evolving Complex
Howard D, Tinoco A, Brudvig G, Vrettos J, Allen B. Catalytic Oxygen Evolution by a Bioinorganic Model of the Photosystem II Oxygen-Evolving Complex. Journal Of Chemical Education 2005, 82: 791. DOI: 10.1021/ed082p791.Peer-Reviewed Original ResearchBioinorganic modelsWater oxidationMn4 clusterArtificial water oxidation catalystsBioinorganic model complexesCatalytic oxygen evolutionWater oxidation catalystsPhotosystem IIPhotosynthetic water oxidationUV-visible spectroscopyOxygen-Evolving ComplexDeuterium kinetic isotope effectsPhotosystem II Oxygen Evolving ComplexKinetic isotope effectsBioinorganic chemistryTerpy complexesInorganic synthesisPlace of H2OManganese complexesModel complexesPrimary oxidantManganese clusterOne-electronOxygen evolutionActive site
2000
Low-Frequency Resonance Raman Characterization of the Oxygen-Evolving Complex of Photosystem II
Cua A, Stewart D, Reifler M, Brudvig G, Bocian D. Low-Frequency Resonance Raman Characterization of the Oxygen-Evolving Complex of Photosystem II. Journal Of The American Chemical Society 2000, 122: 2069-2077. DOI: 10.1021/ja9932885.Peer-Reviewed Original ResearchO2-evolving complexMn4 clusterS2 statePhotosystem IIRedox-active tyrosinesLow-energy electronic transitionsRaman spectraElectronic transitionsS1 stateVibrational modesOxygen-Evolving ComplexRaman studiesS2 oxidation stateRaman scatteringResonance Raman CharacterizationExcitation Raman spectroscopyTetramanganese clusterCoordination environmentNIR transitionsVibrational spectroscopyOxidation stateMolecular structureD2O/H2O exchangeOH groupsRaman spectroscopy
1999
A mechanistic and structural model for the formation and reactivity of a MnV[double bond, length half m-dash]O species in photosynthetic water oxidation
Limburg J, Szalai V, Brudvig G. A mechanistic and structural model for the formation and reactivity of a MnV[double bond, length half m-dash]O species in photosynthetic water oxidation. Dalton Transactions 1999, 0: 1353-1362. DOI: 10.1039/a807583b.Peer-Reviewed Original ResearchProtein complex photosystem IIPhotosynthetic water oxidationWater oxidationMn4 clusterModel complexesO bond-forming stepO bond-forming reactionsRedox-active tyrosine residueSubstrate water moleculesBond-forming reactionsO bond formationBond-forming stepHydrogen bond networkTetranuclear Mn clusterElectrophilic oxygen atomHydroxide ligandMnO speciesOrganic oxidationLength halfWater moleculesObserved reactivityBond formationNucleophilic attackOxygen atomsKey intermediate
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 cytochromeInterconversionPreparationA Structural and Mechanistic Model of the O2-Evolving Complex of Photosystem II
Szalai V, Stone D, Brudvig G. A Structural and Mechanistic Model of the O2-Evolving Complex of Photosystem II. 1998, 1403-1406. DOI: 10.1007/978-94-011-3953-3_331.Peer-Reviewed Original ResearchElectron paramagnetic resonanceMn4 clusterO bond-forming stepReactivity of MnBond-forming stepWater oxidation siteWater/hydroxidePhotosystem II membranesPoint-dipole approximationMN4 complexesElectron transferO speciesParamagnetic resonanceEPR signalS2 stateSpectral simulationsPhotosystem IIYZComplexesMn atomsStructural modelCluster orientationChemistryHydroxideAtoms