Antibody SpecificityTeichoic AcidsCounterimmunoelectrophoresisAntibodiesAntibodies, AntinuclearAntibodies, MonoclonalAmino Acid SequenceAmino AcidsEpitopesAntibodies, BacterialMolecular Sequence DataAntibodies, NeutralizingAntibodies, ViralSequence Homology, Amino AcidSensitivity and SpecificityAntibody FormationCross ReactionsPeptide FragmentsAntibody AffinityImmunoglobulin GSubstrate SpecificityBinding Sites, AntibodyHIV AntibodiesCloning, MolecularAutoantibodiesAntigen-Antibody ReactionsBase SequenceEnzyme-Linked Immunosorbent AssayImmunoglobulin Fab FragmentsAntibodies, Anti-IdiotypicFluorescent Antibody TechniqueImmunoglobulin MRabbitsSpecies SpecificityImmune SeraPeptidesAmino Acid SubstitutionAntigen-Antibody ComplexNeutralization TestsMice, Inbred BALB CEpitope MappingMolecular WeightBinding SitesElectrophoresis, Polyacrylamide GelRecombinant ProteinsEscherichia coliImmunizationCell LineKineticsHybridomasImmunoglobulin Variable RegionSequence AlignmentMutationProtein BindingHaptensDNAImmunoassayAutoantigensBlotting, WesternAntigensImmunoblottingIsoantibodiesModels, MolecularAntigens, BacterialProtein ConformationRadioimmunoassayImmunoglobulin AB-LymphocytesRecombinant Fusion ProteinsAmino Acids, EssentialProtein Structure, TertiaryDNA, ComplementaryImmunoglobulin Heavy ChainsBacterial ProteinsSequence Homology, Nucleic AcidAmino Acid Transport SystemsAmino Acid MotifsHIV Envelope Protein gp120Polymerase Chain ReactionHIV-1Structure-Activity RelationshipRNA, MessengerImmunoglobulin FragmentsMutagenesis, Site-DirectedPlasmidsCattleRestriction MappingAntibodies, NeoplasmAntibodies, ProtozoanCells, CulturedDNA PrimersImmunohistochemistrySequence Analysis, DNAPolymorphism, Restriction Fragment LengthMice, Inbred C57BLGenes, BacterialProteinsPhylogenyCarrier ProteinsTransfection