Antibodies, MonoclonalEpitope MappingEpitopesAntibody SpecificityProtein ConformationAntibodiesMolecular Sequence DataBinding Sites, AntibodyAntibodies, ViralAmino Acid SequenceAntibodies, NeutralizingCross ReactionsNeutralization TestsAntibody AffinityAntibodies, BacterialEpitopes, B-LymphocyteMice, Inbred BALB CImmunoglobulin Fab FragmentsEnzyme-Linked Immunosorbent AssayPeptide LibraryModels, MolecularAutoantibodiesFluorescent Antibody TechniqueHybridomasBinding, CompetitiveImmunoglobulin GRecombinant ProteinsCell LineSurface Plasmon ResonancePeptide FragmentsPeptidesProtein BindingAntibody FormationAutoantigensProtein Structure, TertiaryBase SequenceAntibodies, Anti-IdiotypicAntigens, SurfaceHIV Envelope Protein gp120Blotting, WesternRecombinant Fusion ProteinsAntigen-Antibody ReactionsStructure-Activity RelationshipAntibodies, NeoplasmAntigens, NeoplasmImmunoenzyme TechniquesBinding SitesHIV AntibodiesMolecular WeightKineticsHIV-1Antigen-Antibody ComplexElectrophoresis, Polyacrylamide GelAntibodies, Monoclonal, HumanizedAntigens, ViralRabbitsImmunoglobulin MAntigens, BacterialImmunohistochemistryProtein Structure, SecondaryAntibodies, ProtozoanT-LymphocytesGlycoproteinsImmunization, PassiveImmunoblottingImmunosorbent TechniquesFlow CytometryAntigensCrystallography, X-RayCattleCells, CulturedRadioimmunoassayAntibodies, FungalAntibodies, AntinuclearB-LymphocytesCircular DichroismEscherichia coliMolecular ConformationMutationImmunoassayImmunizationImmunodominant EpitopesSpecies SpecificityImmunologic TechniquesViral Envelope ProteinsLigandsAntigens, CDTumor Cells, CulturedMembrane GlycoproteinsImmune SeraThermodynamicsIodine RadioisotopesAntibodies, Monoclonal, Murine-DerivedChromatography, AffinityFluorescent Antibody Technique, IndirectSingle-Chain AntibodiesSpectrometry, FluorescenceTissue DistributionImmunoglobulin IdiotypesImmunoglobulin Fragments