2024
An analysis of the structural changes of the oxygen evolving complex of Photosystem II in the S1 and S3 states revealed by serial femtosecond crystallography
Yehia S, Wang J, Brudvig G, Gunner M, Brooks B, Amin M. An analysis of the structural changes of the oxygen evolving complex of Photosystem II in the S1 and S3 states revealed by serial femtosecond crystallography. Biochimica Et Biophysica Acta (BBA) - Bioenergetics 2024, 1866: 149531. PMID: 39694218, DOI: 10.1016/j.bbabio.2024.149531.Peer-Reviewed Original ResearchX-ray crystallographyMn coordinationReaction mechanismEfficient solar energy conversionFemtosecond X-ray crystallographyWater splitting reactionX-raySolar energy conversionElectronic structure changesCoordination chemistrySplitting reactionOxygen-evolving complexArtificial catalystsReaction intermediatesPhotosystem IICatalytic intermediatesWater moleculesOxidation stateFemtosecond crystallographyUltra-short laser pulsesOxidation intermediatesCrystallographyS3 stateStructural changesNatural catalysts
2017
Insights into Photosystem II from Isomorphous Difference Fourier Maps of Femtosecond X‑ray Diffraction Data and Quantum Mechanics/Molecular Mechanics Structural Models
Wang J, Askerka M, Brudvig GW, Batista VS. Insights into Photosystem II from Isomorphous Difference Fourier Maps of Femtosecond X‑ray Diffraction Data and Quantum Mechanics/Molecular Mechanics Structural Models. ACS Energy Letters 2017, 2: 397-407. PMID: 28217747, PMCID: PMC5307371, DOI: 10.1021/acsenergylett.6b00626.Peer-Reviewed Original ResearchX-ray free-electron lasersFree-electron laserLight oxygen atomsHigh-resolution spectroscopyFemtosecond X-ray crystallographyPhotosystem IIQuantum mechanics/molecular mechanics techniquesBiomimetic photocatalytic systemsFunction of PSIIDifference Fourier mapsDiffraction dataElectron laserConventional X-ray diffraction methodXFEL dataHeavy metal centersS-state transitionsStructure-function determinationX-ray diffraction dataFourier mapsRadiation damageMolecular mechanics techniquesX-ray diffraction methodsOutstanding challengesOxygen atomsDiffraction methods