2017
Editorial Overview: Single-Molecule Approaches up to Difficult Challenges in Folding and Dynamics
Zhang Y, Ha T, Marqusee S. Editorial Overview: Single-Molecule Approaches up to Difficult Challenges in Folding and Dynamics. Journal Of Molecular Biology 2017, 430: 405-408. PMID: 29288633, PMCID: PMC5858691, DOI: 10.1016/j.jmb.2017.12.019.Peer-Reviewed Original ResearchTwo 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 ResearchConceptsSoluble 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
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 receptorsZipperingSingle-Molecule Protein Folding Experiments Using High-Precision Optical Tweezers
Jiao J, Rebane AA, Ma L, Zhang Y. Single-Molecule Protein Folding Experiments Using High-Precision Optical Tweezers. Methods In Molecular Biology 2016, 1486: 357-390. PMID: 27844436, PMCID: PMC5508109, DOI: 10.1007/978-1-4939-6421-5_14.Peer-Reviewed Original ResearchConceptsOptical tweezersProtein complexesHigh-resolution optical tweezersSingle-molecule manipulationFolding of proteinsFundamental biological problemOptical trapSingle-molecule measurementsUnprecedented spatiotemporal resolutionThree-dimensional structureTweezersSingle proteinSpontaneous foldingDetailed protocolAmino acidsMolecule proteinProteinBiological problemsPowerful approachMechanical forcesFoldingSpatiotemporal resolutionEnergyTransition kineticsLinear chains
2006
Analysis of In-Vivo LacR-Mediated Gene Repression Based on the Mechanics of DNA Looping
Zhang Y, McEwen AE, Crothers DM, Levene SD. Analysis of In-Vivo LacR-Mediated Gene Repression Based on the Mechanics of DNA Looping. PLOS ONE 2006, 1: e136. PMID: 17205140, PMCID: PMC1762422, DOI: 10.1371/journal.pone.0000136.Peer-Reviewed Original ResearchConceptsGene regulationNucleoprotein complexesNon-specific DNA-binding proteinE. coli lac repressorWild-type E. coli strainDNA-binding proteinsSmall DNA loopsSame DNA moleculeGene repressionDNA loopingDNA loopsOperator sitesOperator affinityDNA rigidityLac repressorE. coli strainsProtein conformationDNA persistence lengthDNA moleculesRepressor concentrationRepressionColi strainsDNARegulationVivo