Protein BindingAntigensPeptidesMolecular Sequence DataAmino Acid SequenceAntigens, BacterialAntigens, NeoplasmSubstrate SpecificitySensitivity and SpecificityEpitopesAntigens, SurfaceAntibody SpecificityAntigens, ViralBinding SitesAntigens, CD8Antigens, CDReceptors, Antigen, T-CellT-LymphocytesAntibodies, MonoclonalBase SequencePeptide FragmentsAntigens, CD3CD4-Positive T-LymphocytesAntigens, CD1Peptide LibraryCell LineHLA AntigensLymphocyte ActivationModels, MolecularHistocompatibility Antigens Class IIT-Cell Antigen Receptor SpecificityMice, Inbred BALB CEnzyme-Linked Immunosorbent AssayHybridomasH-2 AntigensCD8-Positive T-LymphocytesAntigens, CD40Antigens, ProtozoanMice, Inbred C57BLCross ReactionsClone CellsRecombinant Fusion ProteinsProtein Structure, TertiaryHLA-DR AntigensRecombinant ProteinsB-LymphocytesImmunoglobulin GT-Lymphocytes, CytotoxicFlow CytometryAntigens, CD28Antigens, Polyomavirus TransformingHistocompatibility Antigens Class IProtein ConformationKineticsSequence Homology, Amino AcidOligopeptidesHLA-A2 AntigenSpecies SpecificityEpitopes, T-LymphocyteAntigens, FungalStructure-Activity RelationshipCells, CulturedAntigens, CD34Antigens, HelminthAutoantigensCD40 LigandBinding, CompetitiveReceptors, Antigen, T-Cell, alpha-betaAntigens, CD44LigandsHLA-A AntigensCloning, MolecularMice, TransgenicCytotoxicity, ImmunologicAntigens, CD2SpleenAntigens, CD4Histocompatibility AntigensCarcinoembryonic AntigenAntigens, CD80AntibodiesDNAT-Lymphocyte SubsetsEscherichia coliAntigen-Presenting CellsAntigens, Viral, TumorBinding Sites, AntibodyAutoantibodiesAntigens, CD19Protein Structure, SecondaryMutationCD4-CD8 RatioSequence AlignmentT-Lymphocytes, RegulatoryAntibody FormationCrystallography, X-RayAntibodies, BacterialTransfectionAntigens, CD86Amino Acid Motifs