Camelids, New WorldSingle-Domain AntibodiesCamelsAntibodiesStaphylococcal ToxoidPeptide LibraryPropiolactoneAntibody SpecificitySingle-Chain AntibodiesAntibody AffinityImmunoglobulin Heavy ChainsMolecular Sequence DataAmino Acid SequenceImmunoglobulin Variable RegionImmunoglobulin SubunitsComplementarity Determining RegionsProtein Structure, TertiaryAntibodies, MonoclonalProtein BindingSequence Homology, Amino AcidBinding SitesModels, MolecularBinding Sites, AntibodyAntibodies, ViralRecombinant ProteinsProtein Interaction Domains and MotifsSequence AlignmentProtein ConformationCrystallography, X-RayProtein Structure, SecondaryAntibodies, BacterialRecombinant Fusion ProteinsEpitopesBase SequenceKineticsProtein EngineeringCloning, MolecularAntibodies, NeutralizingProtein FoldingAntibody FormationEscherichia colisrc Homology DomainsDimerizationBacterial ProteinsAmino Acid MotifsFluorescent Antibody TechniqueEnzyme-Linked Immunosorbent AssayDNA-Binding ProteinsMutationCell LineConserved SequenceStructure-Activity RelationshipMutagenesis, Site-DirectedPeptidesCarrier ProteinsMembrane ProteinsPeptide FragmentsTranscription FactorsTransfectionDNAAntibodies, Anti-IdiotypicCircular DichroismProtein Structure, QuaternaryElectrophoresis, Polyacrylamide GelLigandsTemperatureProtein StabilityCell MembraneSignal TransductionHIV AntibodiesCells, CulturedSequence DeletionNuclear ProteinsHeLa CellsPDZ DomainsPhosphorylationDNA PrimersRabbitsDNA, ComplementaryMolecular WeightAntibodies, NeoplasmAntibodies, ProtozoanBlotting, WesternCross ReactionsThermodynamicsPhylogenyAntibodies, AntinuclearTwo-Hybrid System TechniquesMutagenesisPlasmidsEvolution, MolecularAmino Acid SubstitutionRNA, MessengerPromoter Regions, GeneticProteinsMice, Inbred BALB CMacromolecular SubstancesImmunoblottingSaccharomyces cerevisiaeCHO Cells