Antibodies, NeutralizingHIV AntibodiesHIV Envelope Protein gp120Antigens, CD4Neutralization TestsBinding SitesHIV-1AntibodiesAntibody SpecificityAntibodies, ViralAntibodies, MonoclonalAntibodies, BacterialAntibody FormationMolecular Sequence DataBinding Sites, AntibodyAntibody AffinityAmino Acid SequenceFluorescent Antibody TechniqueProtein BindingAntibodies, Anti-IdiotypicBase SequenceEpitopesAntibodies, NeoplasmAntibodies, ProtozoanBinding, CompetitiveAntibodies, AntinuclearCross ReactionsCell LineKineticsModels, MolecularRecombinant ProteinsImmunoglobulin MAutoantibodiesHIV Envelope Protein gp41Promoter Regions, GeneticAntibodies, FungalCytokine Receptor gp130Antigen-Antibody ReactionsRabbitsMice, Inbred BALB CProtein ConformationTranscription FactorsAntibodies, BispecificImmunoglobulin Fab FragmentsImmunoglobulin GAntigen-Antibody ComplexSingle-Chain AntibodiesAntibodies, BlockingDNA-Binding ProteinsCells, CulturedProtein Structure, TertiaryEpitope MappingRecombinant Fusion ProteinsAntibodies, CatalyticPeptide FragmentsMutationMolecular WeightDNAAntibodies, HeterophileElectrophoresis, Polyacrylamide GelCattleImmune SeraEscherichia coliFluorescent Antibody Technique, IndirectHybridomasImmunoglobulin ACloning, MolecularBlotting, WesternTranscription, GeneticLigandsAntibodies, Monoclonal, HumanizedEnzyme-Linked Immunosorbent AssayImmunizationSequence Homology, Amino AcidGlycoproteinsPeptidesMutagenesis, Site-DirectedCell MembraneHIV Envelope Protein gp160TransfectionAntigensStructure-Activity RelationshipAntibodies, AntiphospholipidMembrane GlycoproteinsAntigens, SurfaceImmunoenzyme TechniquesImmunoblottingBacterial ProteinsAntigens, BacterialTumor Cells, CulturedRNA, MessengerAntigens, ViralSequence AlignmentImmunohistochemistryIodine RadioisotopesImmunoglobulin FragmentsGene Expression RegulationTime FactorsCarrier ProteinsB-Lymphocytes