Ribonuclease HRibonucleasesRibonuclease, PancreaticRibonuclease H, Human Immunodeficiency VirusNuclease Protection AssaysEndoribonucleasesRibonuclease T1Molecular Sequence DataRNA-Directed DNA PolymeraseBase SequenceRibonuclease PRNA, MessengerHIV Reverse TranscriptaseAmino Acid SequenceEscherichia coliRNAEndonucleasesBenzocycloheptenesPolynucleotidesKineticsHydrazonesOligoribonucleotidesTranscription, GeneticRNA ProbesPlacental HormonesCattleSubstrate SpecificityModels, MolecularCloning, MolecularRibonuclease IIITropoloneNucleic Acid HybridizationBinding SitesDNAPyranocoumarinsPoly TCations, DivalentMagnesiumEosinophil-Derived NeurotoxinEnzyme StabilityRNA, BacterialProtein ConformationReverse Transcriptase InhibitorsNucleic Acid ConformationManganeseMolecular WeightProtein DenaturationDNA PrimersChromatography, Ion ExchangeGammaretrovirusChromatography, DEAE-CelluloseGene ExpressionPlasmidsDNA-Directed DNA PolymeraseHydrolysisMutationRecombinant ProteinsHIV-1Thymus GlandNucleic Acid DenaturationElectrophoresis, Polyacrylamide GelStructure-Activity RelationshipPromoter Regions, GeneticCentrifugation, Density GradientProtein Structure, TertiaryOncogenic VirusesHydrogen-Ion ConcentrationAvian myeloblastosis virusThermus thermophilusRNA, CatalyticSequence AlignmentCircular DichroismGene Expression RegulationPancreasBlotting, NorthernRNA, ViralTemperatureCell LineMutagenesis, Site-DirectedCytidine MonophosphateCatalytic DomainExoribonucleasesTemplates, GeneticProtein FoldingDNA, ComplementaryPolymerase Chain ReactionRauscher VirusThermodynamicsRetroelementsCells, CulturedProtein BindingBacterial ProteinsSingle-Strand Specific DNA and RNA EndonucleasesCrystallography, X-RaySequence Homology, Amino AcidGuanosine MonophosphateTritiumAmino Acid SubstitutionAvian leukosis virusIn Situ Hybridization