Genome, BacterialDNA, CircularChromosomes, BacterialMolecular Sequence DataCircular DichroismSequence Analysis, DNADNA, BacterialBase SequenceProtein ConformationProtein Structure, SecondarySpectrophotometry, UltravioletNucleic Acid ConformationSpectrometry, FluorescenceProtein DenaturationMuscle, SmoothAmino Acid SequencePlasmidsProtein FoldingDNA, ViralNucleic Acid DenaturationEscherichia coliModels, MolecularDNA, SuperhelicalTemperatureThermodynamicsKineticsMicroscopy, ElectronExtrachromosomal InheritanceMagnetic Resonance SpectroscopyDNA, Single-StrandedDNAGuanidineProtein BindingEthidiumMuscle ContractionBinding SitesOptical Rotatory DispersionTrifluoroethanolPyloric AntrumDNA ReplicationHydrogen-Ion ConcentrationNucleic Acid RenaturationSpectrum AnalysisCalorimetry, Differential ScanningPolydeoxyribonucleotidesViroidsGastrointestinal MotilityProtein Structure, TertiaryTryptophanMyenteric PlexusSpectrophotometryRecombinant ProteinsColonPeptidesStructure-Activity RelationshipPeristalsisRecombination, GeneticHot TemperatureCentrifugation, Density GradientDNA VirusesCloning, MolecularElectrophoresis, Agar GelMolecular WeightSurgical StaplersBacterial ProteinsMolecular ConformationGuinea PigsSolutionsDNA Restriction EnzymesCyclotidesScattering, RadiationRNAAnilino Naphthalenesulfonates