2022
How to correct relative voxel scale factors for calculations of vector-difference Fourier maps in cryo-EM
Wang J, Liu J, Gisriel CJ, Wu S, Maschietto F, Flesher DA, Lolis E, Lisi GP, Brudvig GW, Xiong Y, Batista VS. How to correct relative voxel scale factors for calculations of vector-difference Fourier maps in cryo-EM. Journal Of Structural Biology 2022, 214: 107902. PMID: 36202310, PMCID: PMC10226527, DOI: 10.1016/j.jsb.2022.107902.Peer-Reviewed Original ResearchConceptsCryo-EM mapsAmino acid residuesAcid residuesCryo-electron microscopy mapIndividual amino acid residuesCyanobacteria Synechocystis spPCC 6803Synechocystis spMicroscopy mapsThermosynechococcus elongatusSARS-CoV-2 spike proteinLocal structural changesResiduesSpike proteinAtomic coordinatesElongatusSubunitsSpeciesProteinSpSimilar structureStructural changes
2020
Identification of a Na+‑Binding Site near the Oxygen-Evolving Complex of Spinach Photosystem II
Wang J, Perez-Cruet JM, Huang HL, Reiss K, Gisriel CJ, Banerjee G, Kaur D, Ghosh I, Dziarski A, Gunner MR, Batista VS, Brudvig GW. Identification of a Na+‑Binding Site near the Oxygen-Evolving Complex of Spinach Photosystem II. Biochemistry 2020, 59: 2823-2831. PMID: 32650633, DOI: 10.1021/acs.biochem.0c00303.Peer-Reviewed Original ResearchConceptsOxygen-evolving complexSpinach photosystem IIRedox-active Mn ionPhotosystem IIOxygen evolution activityQuantum mechanical calculationsOxomanganese clusterHydroxide anionCommon counterionCryo-electron microscopy mapMechanical calculationsAmino acid residuesMn ionsIonsElectrostatic simulationsMicroscopy mapsAcid residuesComplexesDeprotonationAnionsCounterionsNaChlorideSitesCl
2013
Spectral Tuning in Halorhodopsin: The Chloride Pump Photoreceptor
Pal R, Sekharan S, Batista V. Spectral Tuning in Halorhodopsin: The Chloride Pump Photoreceptor. Journal Of The American Chemical Society 2013, 135: 9624-9627. PMID: 23777372, DOI: 10.1021/ja404600z.Peer-Reviewed Original ResearchConceptsKey amino acid residuesIon translocation pathwayAmino acid residuesSpectral tuningInternal water moleculesTranslocation pathwaySpecific hydrogen bondsHalobacterium salinarumAcid residuesMolecular levelStructural rearrangementsAnion transportCl depletionPhotoreceptorsInduces changesHalorhodopsinRetinyl chromophoreSalinarumMutationsResiduesPathwayFirst time