HIV Long Terminal Repeattat Gene Products, Human Immunodeficiency VirusTerminal Repeat SequencesGene Products, tatGenes, tatRepetitive Sequences, Nucleic AcidHIV-1HIVGene Expression Regulation, ViralBase SequenceMolecular Sequence DataTranscription, GeneticVirus ReplicationCell LineTranscriptional ActivationTransfectionNF-kappa BDNA, ViralRetroelementsMammary Tumor Virus, MouseRetroviridaeProvirusesGenes, ViralEndogenous RetrovirusesMoloney murine leukemia virusEnhancer Elements, GeneticChloramphenicol O-AcetyltransferasePromoter Regions, GeneticHIV InfectionsGenes, Intracisternal A-ParticleCloning, MolecularVirus IntegrationPlasmidsLeukemia Virus, MurineHIV EnhancerMink Cell Focus-Inducing VirusesSpumavirusGenetic VectorsAmino Acid SequenceSequence Homology, Nucleic AcidAvian Sarcoma VirusesDNA-Binding ProteinsDNA Transposable ElementsTranscription FactorsRNA, ViralDNA, RecombinantRetroviridae ProteinsRestriction MappingReticuloendotheliosis virusHuman T-lymphotropic virus 1HeLa CellsRegulatory Sequences, Nucleic AcidMoloney murine sarcoma virusAvian leukosis virusDNA Restriction EnzymesLeukemia Virus, FelineBinding SitesGenes, gagHIV SeropositivitySarcoma Viruses, MurineLeukemia Virus, BovineRecombination, GeneticDeltaretrovirusMutationLeukemia, ExperimentalGene Expression RegulationGenome, ViralTrinucleotide RepeatsDNASp1 Transcription FactorNuclear ProteinsGenes, envNucleic Acid HybridizationJurkat CellsRetroviridae InfectionsGenes, polPolymerase Chain ReactionSequence Analysis, DNAGene Products, taxVisna-maedi virusOpen Reading FramesOligonucleotide ProbesBlotting, SouthernViral ProteinsCells, CulturedIntegrasesRNA, MessengerGenes, RegulatorPhylogenyVirus ActivationTandem Repeat SequencesOligodeoxyribonucleotidesDNA PrimersChromosome DeletionInfectious Anemia Virus, EquineRNA-Directed DNA PolymeraseTrans-ActivatorsSequence DeletionProtein BindingGenes