Antibody SpecificityTeichoic AcidsCounterimmunoelectrophoresisAntibodiesAntibodies, AntinuclearAntibodies, MonoclonalAmino Acid SequenceAmino AcidsEpitopesAntibodies, BacterialAntibodies, NeutralizingAntibodies, ViralMolecular Sequence DataSequence Homology, Amino AcidSensitivity and SpecificityAntibody FormationCross ReactionsPeptide FragmentsAntibody AffinitySubstrate SpecificityImmunoglobulin GBinding Sites, AntibodyHIV AntibodiesAutoantibodiesAntigen-Antibody ReactionsCloning, MolecularEnzyme-Linked Immunosorbent AssayImmunoglobulin Fab FragmentsBase SequenceAntibodies, Anti-IdiotypicFluorescent Antibody TechniqueImmunoglobulin MRabbitsImmune SeraAmino Acid SubstitutionPeptidesAntigen-Antibody ComplexNeutralization TestsSpecies SpecificityEpitope MappingMolecular WeightElectrophoresis, Polyacrylamide GelBinding SitesEscherichia coliImmunizationRecombinant ProteinsImmunoglobulin Variable RegionMice, Inbred BALB CKineticsHybridomasSequence AlignmentMutationHaptensImmunoassayProtein BindingCell LineAutoantigensAntigensIsoantibodiesModels, MolecularAntigens, BacterialDNAImmunoblottingBlotting, WesternProtein ConformationRadioimmunoassayImmunoglobulin AAmino Acids, EssentialProtein Structure, TertiaryAmino Acid Transport SystemsHIV Envelope Protein gp120Immunoglobulin Heavy ChainsAmino Acid MotifsBacterial ProteinsRecombinant Fusion ProteinsHIV-1DNA, ComplementaryImmunoglobulin FragmentsB-LymphocytesSequence Homology, Nucleic AcidStructure-Activity RelationshipPolymerase Chain ReactionMutagenesis, Site-DirectedAntibodies, ProtozoanCattlePlasmidsAntibodies, NeoplasmRestriction MappingSequence Analysis, DNAPolymorphism, Restriction Fragment LengthDNA PrimersRNA, MessengerImmunohistochemistryGenes, BacterialPhylogenyTrypsinProteinsDNA, BacterialCarrier ProteinsSingle-Chain Antibodies