2024
Conformational response of αIIbβ3 and αVβ3 integrins to force
Kolasangiani R, Farzanian K, Chen Y, Schwartz M, Bidone T. Conformational response of αIIbβ3 and αVβ3 integrins to force. Structure 2024, 33: 289-299.e4. PMID: 39706199, DOI: 10.1016/j.str.2024.11.016.Peer-Reviewed Original ResearchConceptsBind similar ligandsExtended conformationAvb3 integrinCellular mechanosensingAdhesion receptorsSubunit domainsCell mechanosensingPlasma membraneIntegrinMechanical signalsAll-atom simulationsSingle molecule measurementsConformational responseSubunitMechanosensingStructural dynamicsSolid tissuesCellsMolecule measurementsConformationAvb3Circulating plateletsEquivalent levelMembraneNative architecture of a human GBP1 defense complex for cell-autonomous immunity to infection
Zhu S, Bradfield C, Maminska A, Park E, Kim B, Kumar P, Huang S, Kim M, Zhang Y, Bewersdorf J, MacMicking J. Native architecture of a human GBP1 defense complex for cell-autonomous immunity to infection. Science 2024, 383: eabm9903-eabm9903. PMID: 38422126, PMCID: PMC12091997, DOI: 10.1126/science.abm9903.Peer-Reviewed Original ResearchConceptsGuanylate-binding proteinsCaspase-4Surface of Gram-negative bacteriaGuanosine triphosphate hydrolysisImmunity to infectionInnate immunity to infectionCryo-electron tomographyGram-negative bacteriaImmunity proteinSignaling platformsMembrane insertionHuman cellsNative structureCombat infectionsLipopolysaccharide releaseGasdermin DExtended conformationLiving organismsProteinDefense complexCellsNative architectureGBP1BacteriaInfection
2016
Force regulated conformational change of integrin αVβ3
Chen Y, Lee H, Tong H, Schwartz M, Zhu C. Force regulated conformational change of integrin αVβ3. Matrix Biology 2016, 60: 70-85. PMID: 27423389, PMCID: PMC5237428, DOI: 10.1016/j.matbio.2016.07.002.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBiomechanical PhenomenaBiotinylationCell AdhesionCell LineEndothelial CellsErythrocytesExtracellular MatrixFibronectinsGene ExpressionGlassHumansIntegrin alphaVbeta3KineticsLungMiceMolecular ProbesPoint MutationProtein BindingProtein ConformationSignal TransductionSingle Molecule ImagingConceptsConformational changesTransduce signalsSingle-molecule levelIntegrin functionBiomembrane force probeMolecular machinesPhysiological functionsCell adhesionCell surfaceExtracellular matrixPoint mutationsConformational transitionIntegrinsEssential roleTumor metastasisExtended conformationConformationDynamic equilibriumEctodomainMutationsForce probePhagocytosisMembraneAngiogenesisFunction
2009
Analysis of PKR Structure by Small-Angle Scattering
VanOudenhove J, Anderson E, Krueger S, Cole J. Analysis of PKR Structure by Small-Angle Scattering. Journal Of Molecular Biology 2009, 387: 910-920. PMID: 19232355, PMCID: PMC2663012, DOI: 10.1016/j.jmb.2009.02.019.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid MotifsAmino Acid SequenceAnimalsBinding SitesDimerizationeIF-2 KinaseHumansImmunity, InnateModels, MolecularMolecular Sequence DataProtein ConformationProtein Structure, QuaternaryProtein Structure, TertiaryRNA, Double-StrandedScattering, Small AngleSequence Homology, Amino AcidX-Ray DiffractionConceptsProtein kinase RDouble-stranded RNATandem double-stranded RNAC-terminal kinase domainN-terminal double-stranded RNAFamily of proteinsInterdomain linker regionAntiviral defense pathwayDefense pathwaysAutophosphorylation reactionKinase domainRNA activatorUnstructured regionsLinker regionFlexible linkerRNAExtended conformationSmall-angle X-ray scatteringDiverse structuresGuinier analysisDistance distribution functionConformationKinaseKey componentX-ray scattering
2007
Ligand-Induced Structural Transitions in ErbB Receptor Extracellular Domains
Dawson JP, Bu Z, Lemmon MA. Ligand-Induced Structural Transitions in ErbB Receptor Extracellular Domains. Structure 2007, 15: 942-954. PMID: 17697999, DOI: 10.1016/j.str.2007.06.013.Peer-Reviewed Original ResearchConceptsExtracellular regionDimerization siteLow-resolution molecular envelopeEpidermal growth factor receptor (EGFR) activationGrowth factor receptor activationAutoinhibitory intramolecular interactionMajor domain rearrangementsSmall-angle X-ray scatteringReceptor extracellular domainDomain rearrangementsEGF receptorExtracellular domainLigand bindingEGFR mutantsReceptor conformationMutantsMolecular envelopeExtended conformationNew insightsReceptor activationCrystallographic studiesConformationIntramolecular interactionsReceptorsX-ray scattering
2001
Crystal Structure of Human Type III 3α-Hydroxysteroid Dehydrogenase/Bile Acid Binding Protein Complexed with NADP+ and Ursodeoxycholate † , ‡
Jin Y, Stayrook S, Albert R, Palackal N, Penning T, Lewis M. Crystal Structure of Human Type III 3α-Hydroxysteroid Dehydrogenase/Bile Acid Binding Protein Complexed with NADP+ and Ursodeoxycholate † , ‡. Biochemistry 2001, 40: 10161-10168. PMID: 11513593, DOI: 10.1021/bi010919a.Peer-Reviewed Original ResearchMeSH KeywordsAllosteric RegulationAllosteric SiteAmino Acid SequenceBinding SitesCloning, MolecularComputer SimulationCrystallography, X-RayEscherichia coliFluoxetineHumansHydroxysteroid DehydrogenasesModels, MolecularMolecular ConformationMolecular Sequence DataNADPProtein BindingProtein Structure, SecondaryRecombinant ProteinsSequence AlignmentSequence Homology, Amino AcidUrsodeoxycholic AcidConceptsRat 3alpha-HSDAldo-keto reductase superfamilyBinding protein complexSteroid binding pocketAlpha/beta barrelBound NADP(+Human typeProtein complexesThree-dimensional structureOxyanion holeAndrogen 5alpha-dihydrotestosteroneBinding proteinStructural basisTransport of bile acidsAKR1C2Ternary complexRat isoformsNADP(+SuperfamilyExtended conformationProstatic productionActive siteIsoformsCrystal structureBile acids
1981
Cholesteryl myristate conformation in liquid crystalline mesophases determined by neutron scattering.
Burks C, Engelman D. Cholesteryl myristate conformation in liquid crystalline mesophases determined by neutron scattering. Proceedings Of The National Academy Of Sciences Of The United States Of America 1981, 78: 6863-6867. PMID: 6947261, PMCID: PMC349152, DOI: 10.1073/pnas.78.11.6863.Peer-Reviewed Original ResearchConceptsLiquid crystalline mesophasesTerminal methyl groupSpecific molecular modelsCrystalline mesophasesEster moleculesConformational rangeCholesterol moietyPure phaseCholesteryl ester moleculesExtended conformationMethyl groupNeutron scatteringMolecular modelConformationIsotropic phaseThree-carbonMoleculesPersistence of atherosclerosisEstersCholesteryl myristateMesophasesMoiety
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