Chick EmbryoClone CellsIsobutyratesViral InterferenceSindbis VirusAvian Sarcoma VirusesCulture TechniquesChickensVirus CultivationFibroblastsMolecular Sequence DataCloning, MolecularCells, CulturedBase SequenceAmino Acid SequenceMolecular Dynamics SimulationPopulation DynamicsCell LineDNA, ComplementaryT-LymphocytesDNASequence Homology, Amino AcidRNA, MessengerLymphocyte ActivationNonlinear DynamicsComputer SimulationSequence Analysis, DNAMutationPolymerase Chain ReactionPlasmidsEpitopesModels, BiologicalEscherichia coliNucleic Acid HybridizationTime FactorsSequence Homology, Nucleic AcidModels, MolecularRecombinant ProteinsReceptors, Antigen, T-Cell, alpha-betaKineticsGenesReceptors, Antigen, T-CellGene ExpressionT-Lymphocytes, Helper-InducerBlotting, SouthernSequence AlignmentTranscription, GeneticGenes, BacterialCell DivisionCD4-Positive T-LymphocytesTransfectionPhenotypeCell DifferentiationDNA PrimersProtein ConformationDNA Restriction EnzymesAntibodies, MonoclonalB-LymphocytesPhylogenyGenes, T-Cell Receptor betaGenetic VectorsProtein BindingDNA, RecombinantTumor Cells, CulturedBlotting, NorthernEpitopes, T-LymphocyteCloning, OrganismGene Expression Regulation, DevelopmentalDNA, BacterialChromosome MappingGene Expression RegulationBacterial ProteinsPeptidesBinding SitesCell Line, TransformedPeptide FragmentsT-Lymphocytes, CytotoxicRestriction MappingMice, Inbred BALB CAvian ProteinsHLA-DR AntigensIn Situ HybridizationProteinsHistocompatibility Antigens Class IIMembrane ProteinsInterleukin-2Recombinant Fusion ProteinsGene Rearrangement, beta-Chain T-Cell Antigen ReceptorAntigens, SurfaceCytotoxicity, ImmunologicT-Lymphocyte SubsetsAntigen-Presenting CellsLymphocyte CooperationCricetinaeMice, Inbred C57BLThermodynamicsProtein Structure, TertiaryRetroviridaeDNA, ViralWater