2024
Cryo-EM structure of a photosystem I variant containing an unusual plastoquinone derivative in its electron transfer chain
Gisriel C, Kurashov V, Iwig D, Russell B, Vinyard D, Brudvig G, Golbeck J, Lakshmi K. Cryo-EM structure of a photosystem I variant containing an unusual plastoquinone derivative in its electron transfer chain. Science Advances 2024, 10: eadp4937. PMID: 39612342, PMCID: PMC11606441, DOI: 10.1126/sciadv.adp4937.Peer-Reviewed Original ResearchMeSH KeywordsCryoelectron MicroscopyElectron TransportModels, MolecularPhotosystem I Protein ComplexPlastoquinoneSynechocystisConceptsCryo-EM structureChemical bond energyElectron transfer chainBond energyPCC 6803Fuel catalystPhotosystem IBinding environmentTransfer chainLow binding affinityI variantsPlastoquinone derivativesBinding affinityCatalystPlastoquinone-9PS ICyanobacteriumBiophysical dataPhotosystemEnergyPhotonsVariantsAffinity
2022
Structure of a dimeric photosystem II complex from a cyanobacterium acclimated to far-red light
Gisriel C, Shen G, Flesher D, Kurashov V, Golbeck J, Brudvig G, Amin M, Bryant D. Structure of a dimeric photosystem II complex from a cyanobacterium acclimated to far-red light. Journal Of Biological Chemistry 2022, 299: 102815. PMID: 36549647, PMCID: PMC9843442, DOI: 10.1016/j.jbc.2022.102815.Peer-Reviewed Original ResearchMeSH KeywordsAcclimatizationChlorophyllChlorophyll ACyanobacteriaLightPhotosynthesisPhotosystem I Protein ComplexPhotosystem II Protein ComplexProtein MultimerizationConceptsFar-red light photoacclimationChl dFar-red lightPhotosystem IIChl fWater-splitting enzymeEnergy transferDimeric photosystem II complexesCryo-EM structurePhotosystem II complexElectron transfer chainWater oxidationChl f moleculesDimeric complexStructure-function relationshipsPhotosynthetic machineryPsbH subunitProtein environmentMonomeric structureOxygenic photosynthesisVisible lightFormyl moietyF moleculesAccessory pigmentsTransfer chain
1991
A guide to electron paramagnetic resonance spectroscopy of Photosystem II membranes
Miller A, Brudvig G. A guide to electron paramagnetic resonance spectroscopy of Photosystem II membranes. Biochimica Et Biophysica Acta 1991, 1056: 1-18. PMID: 1845842, DOI: 10.1016/s0005-2728(05)80067-2.Peer-Reviewed Original ResearchMeSH KeywordsCell MembraneCyanobacteriaElectron Spin Resonance SpectroscopyElectron TransportPhotosynthetic Reaction Center Complex ProteinsPhotosystem I Protein ComplexPhotosystem II Protein ComplexPlantsConceptsElectron paramagnetic resonance spectroscopyElectron paramagnetic resonance signalParamagnetic resonance spectroscopyParamagnetic resonance signalPhotosystem II membranesPhotosynthetic electron transportResonance spectroscopyResonance signalsPhotosystem IIBacterial reaction centersElectron transportParamagnetic speciesCytochrome b6fPhotosystem IBiochemical basisReaction centersSpectroscopySpeciesSpectral featuresCommon contaminantsMembraneMoietySeminal experimentsB6fCofactor