Binding, folding and insertion of a β-hairpin peptide at a lipid bilayer surface: Influence of electrostatics and lipid tail packing
Reid KA, Davis CM, Dyer RB, Kindt JT. Binding, folding and insertion of a β-hairpin peptide at a lipid bilayer surface: Influence of electrostatics and lipid tail packing. Biochimica Et Biophysica Acta (BBA) - Biomembranes 2017, 1860: 792-800. PMID: 29291379, PMCID: PMC5780206, DOI: 10.1016/j.bbamem.2017.12.019.Peer-Reviewed Original ResearchConceptsΒ-hairpin peptidesSVS-1POPC/POPG bilayersPOPC bilayersAtomistic molecular dynamics simulationsLipid bilayersInfluence of electrostaticsLipid bilayer surfaceMolecular dynamics simulationsCircular dichroism studiesCHARMM C36DPPG lipidsMixture of DPPCPOPG bilayersSpectroscopic studiesTail packingBilayer surfaceHydrophobic interactionsForce fieldHeadgroup packingTransient foldingDPPC bilayersDichroism studiesDynamics simulationsFluorescent peptidesDual time-resolved temperature-jump fluorescence and infrared spectroscopy for the study of fast protein dynamics
Davis CM, Reddish MJ, Dyer RB. Dual time-resolved temperature-jump fluorescence and infrared spectroscopy for the study of fast protein dynamics. Spectrochimica Acta Part A Molecular And Biomolecular Spectroscopy 2017, 178: 185-191. PMID: 28189834, PMCID: PMC5346054, DOI: 10.1016/j.saa.2017.01.069.Peer-Reviewed Original ResearchMeSH KeywordsDeuterium OxideKineticsProteinsSpectrometry, FluorescenceSpectrophotometry, InfraredTemperatureTime FactorsConceptsQuantum cascade lasersTime-resolved IRYAG laserTunable quantum cascade laserFluorescence spectroscopyProtein dynamicsAbsorbance detection limitCascade lasersSapphire laserComplex folding mechanismsLaserIR frequenciesOverall fluorescence intensityFluorescence spectrometerSpectroscopyIR spectrometerFluorescence measurementsFluorescence sensitivityHigh sensitivityT-jumpSpectrometerFast protein dynamicsFolding mechanismPowerful techniqueFluorescence