2023
Microtubule-binding-induced allostery triggers LIS1 dissociation from dynein prior to cargo transport
Ton W, Wang Y, Chai P, Beauchamp-Perez C, Flint N, Lammers L, Xiong H, Zhang K, Markus S. Microtubule-binding-induced allostery triggers LIS1 dissociation from dynein prior to cargo transport. Nature Structural & Molecular Biology 2023, 30: 1365-1379. PMID: 37322240, PMCID: PMC10590275, DOI: 10.1038/s41594-023-01010-x.Peer-Reviewed Original ResearchConceptsCryo-EM structureCargo transportProtein Lis1Human dyneinDynein mutantsCytoplasmic dyneinStructural insightsDynein activityIntracellular localizationCritical regulatorDynein activationLIS1Conformational changesDyneinMotor domainMutantsBindingHigh affinityAffinityYeastMicrotubulesRegulatorRegulationTransportActivation
2021
Structures of outer-arm dynein array on microtubule doublet reveal a motor coordination mechanism
Rao Q, Han L, Wang Y, Chai P, Kuo YW, Yang R, Hu F, Yang Y, Howard J, Zhang K. Structures of outer-arm dynein array on microtubule doublet reveal a motor coordination mechanism. Nature Structural & Molecular Biology 2021, 28: 799-810. PMID: 34556869, PMCID: PMC8500839, DOI: 10.1038/s41594-021-00656-9.Peer-Reviewed Original ResearchConceptsOuter arm dyneinMicrotubule doubletsDistinct microtubule-binding domainsHigh-resolution structuresAction of dyneinsMicrotubule-binding domainNative tracksATP hydrolysisDynein motorsHydrolyze ATPConformational changesNucleotide cycleMotor coordination mechanismATP turnoverDyneinHead interactionsMechanical forces
2020
NLRP6 self-assembles into a linear molecular platform following LPS binding and ATP stimulation
Leng F, Yin H, Qin S, Zhang K, Guan Y, Fang R, Wang H, Li G, Jiang Z, Sun F, Wang DC, Xie C. NLRP6 self-assembles into a linear molecular platform following LPS binding and ATP stimulation. Scientific Reports 2020, 10: 198. PMID: 31932628, PMCID: PMC6957519, DOI: 10.1038/s41598-019-57043-0.Peer-Reviewed Original ResearchConceptsNOD-like receptorsGlobal conformational changesStep-activation mechanismOuter membraneMolecular platformStructural basisAssembly patternsLigand specificityConformational changesInnate immune responseImmune receptorsActivation mechanismIntestinal homeostasisNegative bacteriaATP stimulationPathogen productsIntestinal tumorigenesisHigher molecular structuresMajor componentNLRP6Important roleHomodimerReceptorsCytosolImmune response
2012
Cryo-EM structure of a transcribing cypovirus
Yang C, Ji G, Liu H, Zhang K, Liu G, Sun F, Zhu P, Cheng L. Cryo-EM structure of a transcribing cypovirus. Proceedings Of The National Academy Of Sciences Of The United States Of America 2012, 109: 6118-6123. PMID: 22492979, PMCID: PMC3341035, DOI: 10.1073/pnas.1200206109.Peer-Reviewed Original ResearchConceptsNascent mRNATurret proteinFamily ReoviridaeCapsid shellConformational changesCapsid proteinMRNA transcriptionCryo-EM structureMajor capsid proteinGood model systemGuanylyltransferase domainTranscription cycleViral capsid proteinsIcosahedral viral capsidsCypovirusGenomic RNACryoelectron microscopyGMP moietyRNA virusesProteinViral capsidTranscriptionMRNAReoviridaeModel system
2010
Crystal Structure of Group II Chaperonin in the Open State
Huo Y, Hu Z, Zhang K, Wang L, Zhai Y, Zhou Q, Lander G, Zhu J, He Y, Pang X, Xu W, Bartlam M, Dong Z, Sun F. Crystal Structure of Group II Chaperonin in the Open State. Structure 2010, 18: 1270-1279. PMID: 20947016, PMCID: PMC3048791, DOI: 10.1016/j.str.2010.07.009.Peer-Reviewed Original ResearchConceptsGroup II chaperoninLid domainConformational changesOpen stateATP-dependent mannerHigh-resolution structuresDetailed conformational changesFunctional cycleThermosomeHydrophobic patchStructural comparisonProtease K digestionChaperoninClosed stateK digestionCrystal structureStructural fittingOpen formComplete crystal structureClosed structureSpeciesDomainProteinATPElectron microscopy