2015
Phosphorylation of Complexin by PKA Regulates Activity-Dependent Spontaneous Neurotransmitter Release and Structural Synaptic Plasticity
Cho RW, Buhl LK, Volfson D, Tran A, Li F, Akbergenova Y, Littleton JT. Phosphorylation of Complexin by PKA Regulates Activity-Dependent Spontaneous Neurotransmitter Release and Structural Synaptic Plasticity. Neuron 2015, 88: 749-761. PMID: 26590346, PMCID: PMC4847943, DOI: 10.1016/j.neuron.2015.10.011.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Vesicular TransportAnimalsBase SequenceCalciumCyclic AMP-Dependent Protein KinasesDrosophilaDrosophila ProteinsExocytosisMolecular Sequence DataNerve Tissue ProteinsNeuromuscular JunctionNeuronal PlasticityNeurotransmitter AgentsPhosphorylationSNARE ProteinsSynaptic TransmissionConceptsSpontaneous neurotransmitter releaseActivity-dependent synaptic growthNeurotransmitter releasePKA-dependent phosphorylationActivity-dependent phosphorylationSynaptic plasticityPresynaptic release machinerySNARE complexRegulated traffickingActivity-dependent mannerC-terminusSynaptic growthSpontaneous releaseStructural synaptic plasticityPhosphorylationStructural plasticityRelease machineryPostsynaptic glutamate receptorsPlasticityNeuronal plasticityGlutamate receptorsSynaptic transmissionNervous systemKey roleFusion mechanismRe-visiting the trans insertion model for complexin clamping
Krishnakumar SS, Li F, Coleman J, Schauder CM, Kümmel D, Pincet F, Rothman JE, Reinisch KM. Re-visiting the trans insertion model for complexin clamping. ELife 2015, 4: e04463. PMID: 25831964, PMCID: PMC4384536, DOI: 10.7554/elife.04463.Peer-Reviewed Original ResearchAdaptor Proteins, Vesicular TransportAlgorithmsAnimalsCalorimetryCircular DichroismEntropyFluorescence Resonance Energy TransferHumansKineticsMembrane FusionModels, NeurologicalMutationNerve Tissue ProteinsNeuronsProtein BindingSignal TransductionSNARE ProteinsSynaptic TransmissionSynaptotagminsVesicle-Associated Membrane Protein 2
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 ResearchMeSH KeywordsAnimalsCalciumDrosophila melanogasterDrosophila ProteinsMutationNerve Tissue ProteinsSNARE ProteinsConceptsSNARE 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 2Complexin activates and clamps SNAREpins by a common mechanism involving an intermediate energetic state
Li F, Pincet F, Perez E, Giraudo CG, Tareste D, Rothman JE. Complexin activates and clamps SNAREpins by a common mechanism involving an intermediate energetic state. Nature Structural & Molecular Biology 2011, 18: 941-946. PMID: 21785413, PMCID: PMC3736826, DOI: 10.1038/nsmb.2102.Peer-Reviewed Original ResearchComplexin cross-links prefusion SNAREs into a zigzag array
Kümmel D, Krishnakumar SS, Radoff DT, Li F, Giraudo CG, Pincet F, Rothman JE, Reinisch KM. Complexin cross-links prefusion SNAREs into a zigzag array. Nature Structural & Molecular Biology 2011, 18: 927-933. PMID: 21785414, PMCID: PMC3410656, DOI: 10.1038/nsmb.2101.Peer-Reviewed Original Research