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
2019
Crystallographic identification of spontaneous oxidation intermediates and products of protein sulfhydryl groups
Wang J. Crystallographic identification of spontaneous oxidation intermediates and products of protein sulfhydryl groups. Protein Science 2019, 28: 472-477. PMID: 30592103, PMCID: PMC6371210, DOI: 10.1002/pro.3568.Peer-Reviewed Original ResearchConceptsLys side chainsSide chainsO bridgesChemical identificationCrystal structureElectron density featuresCross-linking speciesCys side chainDirect chemical identificationProtein crystal structuresMass spectrometric analysisOxidation intermediatesCys-245Primary aminesMethylene groupCrystallographic identificationSpectrometric analysisDehydration mechanismLys-158Protein sulfhydryl groupsSulfhydryl groupsProtein structureChainCHCys residues