2017
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 peptides
2015
Fast Helix Formation in the B Domain of Protein A Revealed by Site-Specific Infrared Probes
Davis CM, Cooper AK, Dyer RB. Fast Helix Formation in the B Domain of Protein A Revealed by Site-Specific Infrared Probes. Biochemistry 2015, 54: 1758-1766. PMID: 25706439, PMCID: PMC4356530, DOI: 10.1021/acs.biochem.5b00037.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceCircular DichroismInfrared RaysKineticsMethionineMolecular Dynamics SimulationMolecular ProbesMolecular Sequence DataPeptidesProtein FoldingProtein Structure, SecondaryProtein Structure, TertiarySpectrophotometry, InfraredSpectroscopy, Fourier Transform InfraredStaphylococcal Protein AConceptsLaser-induced temperatureWavelength-dependent measurementsSite-specific infrared probeMicrosecond phaseSubmillisecond time scaleIntermediate stateRelaxation kineticsComputational proteinInfrared probeStructural resolutionTime scalesSingle residue levelSpectroscopyTransition statePeptide backboneExperimental evidenceProbeResolutionMeasurementsComputer simulationsDirect measureHelical structureStatePartial formationAmide I region