Antibody SpecificityTeichoic AcidsCounterimmunoelectrophoresisAntibodiesAntibodies, AntinuclearAmino Acid SequencePeptide FragmentsAntibodies, MonoclonalMolecular Sequence DataAmino AcidsEpitopesAntibodies, BacterialSequence Homology, Amino AcidAntibodies, NeutralizingAntibodies, ViralSensitivity and SpecificityAntibody FormationCross ReactionsAntibody AffinitySubstrate SpecificityCloning, MolecularImmunoglobulin GBase SequenceBinding Sites, AntibodyPeptidesHIV AntibodiesEnzyme-Linked Immunosorbent AssayAutoantibodiesAntigen-Antibody ReactionsEpitope MappingEscherichia coliRabbitsBinding SitesMolecular WeightImmunoglobulin Fab FragmentsRecombinant ProteinsAntibodies, Anti-IdiotypicElectrophoresis, Polyacrylamide GelFluorescent Antibody TechniqueImmunoglobulin MProtein BindingModels, MolecularProtein ConformationImmune SeraAmino Acid SubstitutionProtein Structure, TertiaryAntigen-Antibody ComplexNeutralization TestsSpecies SpecificityRecombinant Fusion ProteinsKineticsSequence AlignmentMutationMice, Inbred BALB CCell LineImmunizationBlotting, WesternBacterial ProteinsImmunoglobulin Variable RegionDNAAntigens, BacterialHybridomasProteinsAmino Acid MotifsHaptensImmunoassayStructure-Activity RelationshipProtein Structure, SecondaryDNA, ComplementaryPlasmidsAutoantigensAntigensIsoantibodiesImmunoblottingRadioimmunoassayCattleTrypsinMutagenesis, Site-DirectedImmunoglobulin AAmino Acids, EssentialPeptide LibraryDNA PrimersAmino Acid Transport SystemsHIV Envelope Protein gp120Immunoglobulin Heavy ChainsCarrier ProteinsGene LibraryHIV-1Protein EngineeringProtein FoldingImmunoglobulin FragmentsEndopeptidase KB-LymphocytesSequence Homology, Nucleic AcidMembrane ProteinsPolymerase Chain ReactionAntibodies, ProtozoanAntibodies, NeoplasmCells, CulturedRestriction Mapping