Nucleic Acid ConformationOrganophosphatesOligonucleotidesDNAModels, MolecularBase SequenceOligodeoxyribonucleotidesMagnetic Resonance SpectroscopyMolecular Sequence DataBinding SitesPhosphoric Diester HydrolasesOligoribonucleotidesRNA Ligase (ATP)Organophosphorus CompoundsSubstrate SpecificityPhosphorothioate OligonucleotidesProtein ConformationRNANuclear Magnetic Resonance, BiomolecularHydrogen BondingHydrolysisKineticsThionucleotidesEndodeoxyribonucleasesEscherichia coliAmino Acid SequenceProtein Structure, SecondaryCatalysisOligonucleotides, AntisenseMolecular StructurePhosphatesStructure-Activity RelationshipApurinic AcidCrystallography, X-RayModels, ChemicalRibonuclease HEstersDNA LigasesDeoxyribonuclease IV (Phage T4-Induced)Nucleic Acid DenaturationThermodynamicsPolydeoxyribonucleotidesThymidine MonophosphateCarbohydrate SequenceEndoribonucleasesRNA, CatalyticRibonucleasesNitrogen IsotopesMolecular ConformationNucleotidesIndicators and ReagentsPoly dA-dTHydrogen-Ion ConcentrationProtein Structure, TertiaryProtein BindingPolyribonucleotidesPolynucleotidesDNA-(Apurinic or Apyrimidinic Site) LyaseChemistryChemical PhenomenaCarbohydrate ConformationSolutionsDeoxyribonucleasesRiboseChromatography, PaperMagnesiumAmidesPoly GPhosphoric AcidsDeoxyribonucleases, Type II Site-SpecificPolynucleotide LigasesDinucleoside PhosphatesCatalytic DomainPhosphodiesterase IDeoxyriboseAdenosine MonophosphateDeoxyribonucleotidesTeichoic AcidsOrganothiophosphorus CompoundsCations, DivalentBase PairingDNA Topoisomerases, Type IIntercalating AgentsStatic ElectricityEndonucleasesStereoisomerismCell WallTemperatureComputer SimulationDNA, CatalyticDNA, Single-StrandedExonucleasesPeptidesPlasmidsEscherichia coli ProteinsWaterOligosaccharidesProtein FoldingDNA CleavageNucleic Acids