AKR murine leukemia virusLeukemia Virus, MurineMice, Inbred AKRMoloney murine leukemia virusPolyomavirusMammary Tumor Virus, MouseFriend murine leukemia virusLeukemia, ExperimentalAbelson murine leukemia virusRauscher VirusLeukemia Virus, FelineRetroviridae InfectionsLeukemia Virus, BovineCell LineVirus ReplicationTumor Virus InfectionsRetroviridaeDNA, ViralGenes, ViralReceptors, VirusLeukemiaMolecular Sequence DataRNA-Directed DNA PolymeraseRNA VirusesBase SequenceRNA, ViralMink Cell Focus-Inducing VirusesProvirusesGammaretrovirusOncogenic VirusesViral ProteinsMice, Inbred StrainsGene Products, gagDefective VirusesVirus IntegrationVirus AssemblyVirus CultivationCell Transformation, ViralRepetitive Sequences, Nucleic AcidLeukemia, Myeloid, AcuteGenetic VectorsAntigens, ViralLeukemia Virus, Gibbon ApeAmino Acid SequenceVirionVaccinia virus