Avian Sarcoma VirusesAlpharetrovirusSarcoma, AvianSarcoma Viruses, MurineCell Transformation, ViralSarcomaChick EmbryoAvian leukosis virusOncogene Protein pp60(v-src)Transcription, GeneticGenes, ViralSarcoma Viruses, FelineQuailSarcoma, ExperimentalKirsten murine sarcoma virusViral ProteinsTranscription FactorsRous sarcoma virusDefective VirusesRNA, ViralCell Transformation, NeoplasticBase SequenceMoloney murine sarcoma virusDNA, ViralChickensCell LineRNA-Directed DNA PolymeraseDucksNucleic Acid HybridizationHelper VirusesHarvey murine sarcoma virusRetroviridaeMolecular Sequence DataRetroviridae ProteinsIntegrasesVirus ReplicationOncogenesOncogene Protein v-crkSarcoma, EwingCells, CulturedGammaretrovirusGene Products, gagSarcoma, KaposiSarcoma, SynovialMutationAmino Acid SequenceFibroblastsGenes, srcProtein KinasesReceptors, VirusCloning, MolecularAvian LeukosisSarcoma Virus, Woolly MonkeyGenes, SyntheticCoturnixMolecular WeightAvian ProteinsRNA, MessengerFusion Proteins, gag-oncRNA VirusesIntegrase InhibitorsDNA Restriction EnzymesCulture TechniquesTransfectionVirus IntegrationRepetitive Sequences, Nucleic AcidBinding SitesDNAMoloney murine leukemia virusSarcoma 180Recombination, GeneticRibonuclease T1Promoter Regions, GeneticGenesAvian myeloblastosis virusPhosphoproteinsGene Expression RegulationVirus CultivationAntigens, ViralOncogenic VirusesVaccinia virusTemperaturePhosphorylationSpecies SpecificityDNA, RecombinantDNA, CircularSimian virus 40Protein BindingCell-Free SystemVirus AssemblySp1 Transcription FactorTyrosineNucleic Acid ConformationProtein BiosynthesisPlasmidsDNA-Binding ProteinsTranscriptional ActivationVirionPhosphotyrosineHeLa Cells