Single-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 chainsHidden Markov Modeling with Detailed Balance and Its Application to Single Protein Folding
Zhang Y, Jiao J, Rebane AA. Hidden Markov Modeling with Detailed Balance and Its Application to Single Protein Folding. Biophysical Journal 2016, 111: 2110-2124. PMID: 27851936, PMCID: PMC5112951, DOI: 10.1016/j.bpj.2016.09.045.Peer-Reviewed Original ResearchConceptsDetailed balanceThermodynamic equilibriumOptical tweezersIndependent fitting parametersDegenerate statesSingle-molecule trajectoriesSatisfies detailed balanceExtension trajectoriesEnergy landscapeFitting parametersShort trajectoriesProtein foldingExperimental dataTransition stateSNARE zipperingTweezersFree energy