Antibody SpecificityAntibodies, MonoclonalAntibodiesEpitopesAntibodies, ViralAntibodies, BacterialAntibodies, NeutralizingCross ReactionsAntibody AffinityAntibody FormationBinding Sites, AntibodyFluorescent Antibody TechniqueImmunoglobulin GAntibodies, Anti-IdiotypicEnzyme-Linked Immunosorbent AssayHIV AntibodiesMolecular Sequence DataHybridomasAntigen-Antibody ReactionsSensitivity and SpecificityNeutralization TestsMice, Inbred BALB CAmino Acid SequenceEpitope MappingAutoantibodiesImmunoglobulin MAntigen-Antibody ComplexImmunoglobulin Fab FragmentsAntibodies, NeoplasmRabbitsImmune SeraImmunizationAntigens, SurfaceMolecular WeightAntigens, BacterialSubstrate SpecificityImmunoassayAntigensRadioimmunoassayAntibodies, ProtozoanImmunoglobulin Variable RegionSpecies SpecificityElectrophoresis, Polyacrylamide GelImmunoenzyme TechniquesBlotting, WesternAntibodies, AntinuclearImmunoblottingAntibodies, Monoclonal, HumanizedCell LineImmunohistochemistryB-LymphocytesImmunoglobulin AAntigens, NeoplasmPeptidesHaptensAntibodies, FungalIsoantibodiesAutoantigensRecombinant ProteinsImmunoglobulin Heavy ChainsBase SequenceHIV Envelope Protein gp120Immunization, PassiveAntigens, ViralAntibodies, BispecificSingle-Chain AntibodiesAntibodies, BlockingBinding, CompetitiveImmunosorbent TechniquesHIV-1T-LymphocytesFluorescent Antibody Technique, IndirectCells, CulturedFlow CytometryGlycoproteinsImmunologic TechniquesKineticsAntibodies, HeterophileCattleImmunoglobulin IdiotypesImmunoglobulin FragmentsAntibodies, Monoclonal, Murine-DerivedIodine RadioisotopesPeptide FragmentsTissue DistributionAntibodies, CatalyticAntigens, CDProtein BindingChromatography, AffinityTumor Cells, CulturedRadioimmunodetectionRecombinant Fusion ProteinsRadioimmunotherapyBinding SitesPeptide LibraryCloning, MolecularAntibody-Dependent Cell CytotoxicityMembrane GlycoproteinsImmunotoxinsPrecipitin Tests