RNA-Directed DNA PolymeraseGenes, polGene Products, polRetroviridaeMolecular Sequence DataBase SequenceGenes, gagpol Gene Products, Human Immunodeficiency VirusAmino Acid SequenceGenetic VectorsGenes, ViralCloning, MolecularEndogenous RetrovirusesMutationMoloney murine leukemia virusDNA, ViralCell LineRetroviridae ProteinsTranscription, GeneticGene Products, gagSpumavirusHIV-1Fusion Proteins, gag-polDNA-Directed DNA PolymeraseLeukemia Virus, MurinePlasmidsViral ProteinsEscherichia coliProvirusesRNA, ViralGenes, envTransfectionAvian leukosis virusVirus IntegrationPolymerase Chain ReactionDNA PrimersRNA Polymerase IIRetroviridae InfectionsDNA Polymerase betaGenesRecombination, GeneticRepetitive Sequences, Nucleic AcidSequence Homology, Amino AcidIntegrasesSequence Homology, Nucleic AcidVirus ReplicationPhylogenySequence Analysis, DNARestriction MappingDNA Polymerase IIITerminal Repeat SequencesRNA, MessengerSaccharomyces cerevisiaeGene Transfer TechniquesGenes, BacterialGenetic Complementation TestOpen Reading FramesAvian Sarcoma VirusesDNA Polymerase IISequence AlignmentGene Products, envRecombinant ProteinsDNA-Binding ProteinsGenetic TherapyGenome, ViralRibonuclease HGene ExpressionTranscription FactorsGene Expression Regulation, ViralDNADNA ReplicationRNA Polymerase IIICells, CulturedBacterial ProteinsProtein BiosynthesisFrameshift MutationRecombinant Fusion ProteinsMutagenesisBlotting, SouthernKineticsMutagenesis, InsertionalGene Expression RegulationHIV Reverse TranscriptaseViral Envelope ProteinsBiological ProductsSaccharomyces cerevisiae ProteinsDNA Transposable ElementsImmunodeficiency Virus, BovinePol1 Transcription Initiation Complex Proteins3T3 CellsProtein BindingHeLa CellsBinding SitesMolecular WeightZalcitabinePhenotypeHIVDNA Polymerase ICodonDefective Viruses