Antibody SpecificityTeichoic AcidsCounterimmunoelectrophoresisAntibodiesEpitopesAntibodies, AntinuclearAntibodies, MonoclonalCross ReactionsAmino Acid SequenceAmino AcidsMolecular Sequence DataAntibodies, BacterialAntibodies, ViralAntigen-Antibody ReactionsAntibodies, NeutralizingAntibody FormationBinding Sites, AntibodyPeptide FragmentsSequence Homology, Amino AcidImmune SeraImmunoglobulin GAntibody AffinitySensitivity and SpecificityEnzyme-Linked Immunosorbent AssayRabbitsAntigen-Antibody ComplexSubstrate SpecificityFluorescent Antibody TechniqueAutoantibodiesCloning, MolecularSpecies SpecificityBase SequenceAntibodies, Anti-IdiotypicHIV AntibodiesMolecular WeightImmunoglobulin Fab FragmentsPeptidesNeutralization TestsImmunoglobulin MEpitope MappingRadioimmunoassayElectrophoresis, Polyacrylamide GelAntigensHybridomasAntigens, BacterialImmunizationMice, Inbred BALB CEscherichia coliAmino Acid SubstitutionImmunodiffusionHaptensBinding SitesCell LineRecombinant ProteinsKineticsImmunoassayMutationProtein ConformationImmunoglobulin Variable RegionAutoantigensSequence AlignmentProtein BindingIsoantibodiesImmunoblottingBacterial ProteinsModels, MolecularDNABlotting, WesternCattleAntigens, ViralImmunoglobulin ARecombinant Fusion ProteinsB-LymphocytesAntibodies, NeoplasmStructure-Activity RelationshipImmunoglobulin FragmentsAntigens, SurfaceProtein Structure, TertiaryImmunoelectrophoresisPlasmidsViral ProteinsSequence Homology, Nucleic AcidBinding, CompetitiveGlycoproteinsAmino Acids, EssentialAmino Acid MotifsMutagenesis, Site-DirectedHIV Envelope Protein gp120HIV-1Antibodies, ProtozoanImmunoglobulin Heavy ChainsRestriction MappingGenes, BacterialTrypsinImmunochemistryAmino Acid Transport SystemsDNA, ComplementaryPolymerase Chain ReactionImmunosorbent TechniquesMembrane Proteins