2016
Stability, folding dynamics, and long-range conformational transition of the synaptic t-SNARE complex
Zhang X, Rebane AA, Ma L, Li F, Jiao J, Qu H, Pincet F, Rothman JE, Zhang Y. Stability, folding dynamics, and long-range conformational transition of the synaptic t-SNARE complex. Proceedings Of The National Academy Of Sciences Of The United States Of America 2016, 113: e8031-e8040. PMID: 27911771, PMCID: PMC5167175, DOI: 10.1073/pnas.1605748113.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsMembrane FusionMiceMicroscopy, Atomic ForceMolecular Dynamics SimulationMunc18 ProteinsOptical TweezersProtein ConformationProtein DomainsProtein FoldingProtein StabilityQa-SNARE ProteinsSNARE ProteinsSynaptic TransmissionSynaptosomal-Associated Protein 25Vesicle-Associated Membrane Protein 2ConceptsSynaptic soluble N-ethylmaleimide-sensitive factor attachment protein receptorT-SNARE complexC-terminal domainN-terminal domainSNARE zipperingPlasma membraneN-ethylmaleimide-sensitive factor attachment protein receptorsSoluble N-ethylmaleimide-sensitive factor attachment protein receptorsFactor attachment protein receptorsTarget plasma membraneAttachment protein receptorsFour-helix bundleThree-helix bundleSynaptic vesicle fusionSingle-molecule force spectroscopyV-SNARESNARE assemblySNARE complexHelical bundleConformational switchC-terminusMembrane fusionVesicle fusionProtein receptorsZippering
2014
Genetic analysis of the Complexin trans-clamping model for cross-linking SNARE complexes in vivo
Cho RW, Kümmel D, Li F, Baguley SW, Coleman J, Rothman JE, Littleton JT. Genetic analysis of the Complexin trans-clamping model for cross-linking SNARE complexes in vivo. Proceedings Of The National Academy Of Sciences Of The United States Of America 2014, 111: 10317-10322. PMID: 24982161, PMCID: PMC4104896, DOI: 10.1073/pnas.1409311111.Peer-Reviewed Original ResearchConceptsSNARE complexSpontaneous synaptic vesicle fusionSingle SNARE complexSNARE fusion machinerySynaptic vesicle fusionGenetic rescue approachStructure-function studiesDistinct molecular mechanismsVivo genetic manipulationCpx proteinsFusion clampTrans-SNAREFusion machineryTrans interactionsConformational switchGenetic manipulationGenetic analysisVesicle fusionMolecular mechanismsVesicle releaseRescue approachMutantsProteinSnareAdditional mechanism
2011
A conformational switch in complexin is required for synaptotagmin to trigger synaptic fusion
Krishnakumar SS, Radoff DT, Kümmel D, Giraudo CG, Li F, Khandan L, Baguley SW, Coleman J, Reinisch KM, Pincet F, Rothman JE. A conformational switch in complexin is required for synaptotagmin to trigger synaptic fusion. Nature Structural & Molecular Biology 2011, 18: 934-940. PMID: 21785412, PMCID: PMC3668341, DOI: 10.1038/nsmb.2103.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Vesicular TransportAmino Acid SequenceAnimalsBinding SitesCrystallography, X-RayHumansMembrane FusionModels, MolecularMolecular Sequence DataMutagenesis, Site-DirectedNerve Tissue ProteinsProtein Structure, TertiaryRatsSynaptosomal-Associated Protein 25SynaptotagminsSyntaxin 1Vesicle-Associated Membrane Protein 2ConceptsConformational switchCalcium sensor synaptotagminAccessory helixV-SNARESynaptic fusionT-SNAREsSensor synaptotagmin