2024
Modeling Electrochemical Vacancy Regeneration in Single-Walled Carbon Nanotubes
Jelušić J, Menzel J, Bertrand Q, Crabtree R, Wang H, Brudvig G, Batista V. Modeling Electrochemical Vacancy Regeneration in Single-Walled Carbon Nanotubes. The Journal Of Physical Chemistry Letters 2024, 15: 7788-7792. PMID: 39048317, DOI: 10.1021/acs.jpclett.4c01293.Peer-Reviewed Original ResearchProton-coupled electron transferDensity functional theorySingle-walled carbon nanotubesC-H bondsQuantum mechanics/molecular mechanicsDiverse catalytic reactionsCarbene characterCarbon nanotubesC-HAdjacent carbonWater dissociationElectron transferCatalytic reactionsCatalytic intermediatesFunctional theoryHydrogen atomsKetone groupForce-fieldCarbon atomsHydroxyl groupsElectrochemical regenerationZigzag single-walled carbon nanotubesElectrochemical potentialKetonesVacancy defectsWater Ligands Regulate the Redox Leveling Mechanism of the Oxygen-Evolving Complex of the Photosystem II
Liu J, Yang K, Long Z, Armstrong W, Brudvig G, Batista V. Water Ligands Regulate the Redox Leveling Mechanism of the Oxygen-Evolving Complex of the Photosystem II. Journal Of The American Chemical Society 2024, 146: 15986-15999. PMID: 38833517, DOI: 10.1021/jacs.4c02926.Peer-Reviewed Original ResearchProton-coupled electron transferOxygen-evolving complexWater insertionWater ligandsCatalytic cycleMolecular dynamicsO-O bondQuantum mechanics/molecular mechanicsConformational changesFree energy changeLigand environmentElectron transferLigand exchangePhotosystem IIOxygen evolutionWater binding mechanismsEnergy changeLigandBinding mechanismAqueous environmentRedoxWater bindingLigand bindingCatalystIsomerization
2001
Mechanism of photosynthetic water oxidation: combining biophysical studies of photosystem II with inorganic model chemistry
Vrettos J, Limburg J, Brudvig G. Mechanism of photosynthetic water oxidation: combining biophysical studies of photosystem II with inorganic model chemistry. Biochimica Et Biophysica Acta 2001, 1503: 229-245. PMID: 11115636, DOI: 10.1016/s0005-2728(00)00214-0.Peer-Reviewed Original ResearchMeSH KeywordsCrystallographyElectron TransportHemerythrinHydrogen-Ion ConcentrationKineticsManganeseModels, ChemicalModels, MolecularOrganometallic CompoundsOxidation-ReductionOxygenPhotosynthesisPhotosynthetic Reaction Center Complex ProteinsPhotosystem II Protein ComplexProtonsThylakoidsTyrosineWaterConceptsPhotosynthetic water oxidationWater oxidationOxygen-evolving complexProton-coupled electron transferTetranuclear manganese clusterMu-oxo bridgePhotosystem IIReduction of manganeseOOH speciesWater moleculesElectron transferModel chemistryManganese clusterNucleophilic attackDiferric siteFerric hydroperoxideOxidationD1 polypeptideBiophysical studiesOxyhemerythrinBiophysical resultsStructural modelDioxygenChemistryProtonation