2020
Munc13 binds and recruits SNAP25 to chaperone SNARE complex assembly
Sundaram R, Jin H, Li F, Shu T, Coleman J, Yang J, Pincet F, Zhang Y, Rothman JE, Krishnakumar SS. Munc13 binds and recruits SNAP25 to chaperone SNARE complex assembly. FEBS Letters 2020, 595: 297-309. PMID: 33222163, PMCID: PMC8068094, DOI: 10.1002/1873-3468.14006.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBinding SitesCloning, MolecularEscherichia coliGene ExpressionGenetic VectorsLipid BilayersLiposomesMiceModels, MolecularNerve Tissue ProteinsOptical TweezersPhosphatidylcholinesPhosphatidylethanolaminesPhosphatidylserinesPolyethylene GlycolsProtein BindingProtein Conformation, alpha-HelicalProtein Conformation, beta-StrandProtein Interaction Domains and MotifsRecombinant Fusion ProteinsSynaptosomal-Associated Protein 25Syntaxin 1Vesicle-Associated Membrane Protein 2ConceptsSNARE complex assemblyComplex assemblyMunc13-1 MUN domainDetailed structure-function analysisSNARE protein VAMP2Syntaxin 1/Structure-function analysisSynaptic vesicle fusionOptical tweezers studiesSNARE assemblySNARE motifMUN domainMunc18-1Syntaxin-1Munc13-1FRET spectroscopyLinker regionVesicle fusionDirect bindingPhospholipid bilayersPresynaptic membraneSNAP25AssemblyBindingRecruits
2017
Two Disease-Causing SNAP-25B Mutations Selectively Impair SNARE C-terminal Assembly
Rebane AA, Wang B, Ma L, Qu H, Coleman J, Krishnakumar S, Rothman JE, Zhang Y. Two Disease-Causing SNAP-25B Mutations Selectively Impair SNARE C-terminal Assembly. Journal Of Molecular Biology 2017, 430: 479-490. PMID: 29056461, PMCID: PMC5805579, DOI: 10.1016/j.jmb.2017.10.012.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsMiceModels, MolecularOptical TweezersPoint MutationProtein ConformationProtein FoldingProtein UnfoldingSynaptic TransmissionSynaptosomal-Associated Protein 25ConceptsSoluble N-ethylmaleimide-sensitive factor attachment receptorSNARE assemblySynaptic exocytosisMembrane fusionSingle-molecule optical tweezersT-SNARE complexVesicle-associated SNAREsTarget plasma membraneC-terminal assemblyFour-helix bundleC-terminal regionSNARE complexPlasma membraneMolecular mechanismsZipperingMutationsNumerous diseasesAssembly energyNeurotransmitter releaseExocytosisAttachment receptorAssemblyNeurological disordersOptical tweezersComplexes
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 2
2010
A fast, single-vesicle fusion assay mimics physiological SNARE requirements
Karatekin E, Di Giovanni J, Iborra C, Coleman J, O'Shaughnessy B, Seagar M, Rothman JE. A fast, single-vesicle fusion assay mimics physiological SNARE requirements. Proceedings Of The National Academy Of Sciences Of The United States Of America 2010, 107: 3517-3521. PMID: 20133592, PMCID: PMC2840481, DOI: 10.1073/pnas.0914723107.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsFluorescence Recovery After PhotobleachingHumansMembrane FusionSNARE ProteinsSynaptosomal-Associated Protein 25Unilamellar Liposomes