AntigensPhylogenyAntigens, BacterialAntigens, NeoplasmAntigens, SurfaceGenetic SpeciationEvolution, MolecularAntigens, ViralBiological EvolutionMolecular Sequence DataBiodiversityGenetic VariationFossilsAntigens, ProtozoanAntigens, Polyomavirus TransformingPhylogeographyHLA AntigensAngiospermsAntibody DiversityAntigens, FungalAntigens, CDAntigens, HelminthSpecies SpecificityH-2 AntigensGene DuplicationAmino Acid SequenceBayes TheoremGeographyCarcinoembryonic AntigenExtinction, BiologicalAntigens, Viral, TumorSequence Analysis, DNABase SequenceLikelihood FunctionsHLA-DR AntigensReceptors, Antigen, T-CellAntibodies, MonoclonalReceptors, Antigen, B-CellSouth AmericaEcosystemHistocompatibility AntigensProliferating Cell Nuclear AntigenEpitopesMultigene FamilyHistocompatibility Antigens Class IIProstate-Specific AntigenO AntigensPaleontologyDNA, MitochondrialAdaptation, BiologicalT-LymphocytesB-LymphocytesAntigens, CD15Sequence AlignmentAntigens, Tumor-Associated, CarbohydrateImmunoglobulin GModels, GeneticHLA-A2 AntigenCichlidsReceptors, AntigenAntigens, CD8Enzyme-Linked Immunosorbent AssaySelection, GeneticAsteraceaeBlood Group AntigensHepatitis B Surface AntigensAntigens, CD3Cross ReactionsButterfliesMice, Inbred BALB CHLA-A AntigensAdoxaceaeDNA, ChloroplastBeetlesImmunoglobulin Variable RegionLymphocyte ActivationHistocompatibility Antigens Class ICell LineHLA-D AntigensAntibody SpecificityPhenotypeAntigens, CD45Hepatitis B AntigensVertebratesFlowersSomatic Hypermutation, ImmunoglobulinAntigens, CD4InsectsGenes, ImmunoglobulinImmunizationClimateAntigen-Antibody ReactionsAntigens, CD1Fluorescent Antibody TechniqueCentral AmericaAntibodies, BacterialImmune SeraMutationAntibody FormationTime Factors