2019
Visualization of H atoms in the X‐ray crystal structure of photoactive yellow protein: Does it contain low‐barrier hydrogen bonds?
Wang J. Visualization of H atoms in the X‐ray crystal structure of photoactive yellow protein: Does it contain low‐barrier hydrogen bonds? Protein Science 2019, 28: 1966-1972. PMID: 31441173, PMCID: PMC6798185, DOI: 10.1002/pro.3716.Peer-Reviewed Original ResearchConceptsPhotoactive yellow proteinLow-barrier hydrogen bondH atomsYellow proteinResidual electron density mapsNeutron structureAtomsO bond angleO distancesO atomsHydrogen bondsElectron density mapsBond anglesDensity mapsX-ray structureCrystal structureResolution X-ray structureStructureBondsX-ray crystal structure
2018
On the damage done to the structure of the Thermoplasma acidophilum proteasome by electron radiation
Wang J, Liu Z, Crabtree RH, Frank J, Moore PB. On the damage done to the structure of the Thermoplasma acidophilum proteasome by electron radiation. Protein Science 2018, 27: 2051-2061. PMID: 30242932, PMCID: PMC6237698, DOI: 10.1002/pro.3511.Peer-Reviewed Original ResearchConceptsLocal chemical effectsElectron beamElectron radiationChemical mechanismStructure effectsChemical effectsElectron microscopeBackbone atomsChemical damageΑ-helixThermoplasma acidophilumMoleculesDose-dependent degradationQuaternary structureElectronsBeamAtomsEM mapsRadiationStructureMicroscopeResolutionSmall changesAcidophilumIdentification of ions in experimental electrostatic potential maps
Wang J, Liu Z, Frank J, Moore PB. Identification of ions in experimental electrostatic potential maps. IUCrJ 2018, 5: 375-381. PMID: 30002838, PMCID: PMC6038950, DOI: 10.1107/s2052252518006292.Peer-Reviewed Original ResearchElectrostatic potentialElectrostatic potential mapsCation-anion pairsX-ray crystallographyCation peaksIonic pairsAtomic chargesAnion peaksIdentification of ionsIsolated ionsAnionsCationsIonsESP valuesAtomsCryo-electron microscopyPotential mapsHigh scattering anglesElectron distributionMacromoleculesChargeUncharged atomsCryo-EM mapsCrystallography
2017
On contribution of known atomic partial charges of protein backbone in electrostatic potential density maps
Wang J. On contribution of known atomic partial charges of protein backbone in electrostatic potential density maps. Protein Science 2017, 26: 1098-1104. PMID: 28370507, PMCID: PMC5441424, DOI: 10.1002/pro.3169.Peer-Reviewed Original ResearchConceptsAtomic partial chargesPartial chargesQuantum mechanicsForce field parametersAtomic propertiesPartial atomic chargesDensity mapsAtomic chargesField parametersMolecular dynamicsAtomsElectron microscopyProtein backboneNeutral peptide backboneChargeChain atomsComputer simulationsSide-chain atomsDensityPeptide backboneProtein moleculesModel refinementSimulationsPotential densityBackbone
2016
Destruction‐and‐diffraction by X‐ray free‐electron laser
Wang J. Destruction‐and‐diffraction by X‐ray free‐electron laser. Protein Science 2016, 25: 1585-1592. PMID: 27262052, PMCID: PMC5338243, DOI: 10.1002/pro.2959.Peer-Reviewed Original ResearchConceptsX-ray free-electron lasersFree-electron laserSingle femtosecond pulseAtomic scattering factorsFemtosecond pulsesRecent theoretical studiesScattering factorsSuch pulsesElectronic processesDifferent atomsCrystallographic data collectionRadiation damageSingle pulseX-rayPulsesLaserSuch crystalsTheoretical studyCrystalsDiffractionMacromolecular crystalsFemtosecondExperimental evidenceAtomsRadiation
2015
Analysis of the Radiation-Damage-Free X‑ray Structure of Photosystem II in Light of EXAFS and QM/MM Data
Askerka M, Vinyard DJ, Wang J, Brudvig GW, Batista VS. Analysis of the Radiation-Damage-Free X‑ray Structure of Photosystem II in Light of EXAFS and QM/MM Data. Biochemistry 2015, 54: 1713-1716. PMID: 25710258, DOI: 10.1021/acs.biochem.5b00089.Peer-Reviewed Original ResearchConceptsPhotosystem II crystalsX-ray absorption fine structureExtended X-ray absorption fine structureAbsorption fine structurePhotosystem IIHigh-resolution structural modelS1 stateS0 stateOxygen-evolving complexRadiation damageX-ray diffraction studiesExtensive dark adaptationFine structureDiffraction studiesOxygen atomsManganese centersX-ray structureAtomsMM dataCrystalsStateEXAFSLightStructureResolution