Chromatography, AffinityProtein BindingBinding SitesKineticsMolecular Sequence DataBinding, CompetitiveAntibody AffinityAmino Acid SequenceAffinity LabelsLigandsRecombinant ProteinsRadioligand AssayModels, MolecularBase SequenceStructure-Activity RelationshipProtein Structure, TertiaryCell LineProtein ConformationSurface Plasmon ResonanceCarrier ProteinsCell MembraneReceptors, Cell SurfaceSubstrate SpecificityMutagenesis, Site-DirectedRecombinant Fusion ProteinsElectrophoresis, Polyacrylamide GelSequence Homology, Amino AcidPeptidesCloning, MolecularMolecular WeightCHO CellsEscherichia coliMutationCricetinaeCattlePeptide FragmentsDNARabbitsCalciumTransfectionDose-Response Relationship, DrugIodine RadioisotopesHydrogen-Ion ConcentrationPeptide LibraryMacromolecular SubstancesBiological TransportProtein Structure, SecondaryAntibodies, MonoclonalSpectrometry, FluorescenceCells, CulturedHeparinCrystallography, X-RayThermodynamicsBacterial ProteinsMolecular StructureAdenosine TriphosphateAptamers, NucleotideChromatography, GelDNA-Binding ProteinsMembrane ProteinsDimerizationCircular DichroismOligopeptidesCross-Linking ReagentsSepharoseDNA PrimersSequence AlignmentReceptors, IgEAmino Acid SubstitutionMagnesiumPhosphorylationBrainCOS CellsTritiumReceptors, DrugHydrolysisDNA, ComplementaryTumor Cells, CulturedAntibodiesTemperatureSolubilitySELEX Aptamer TechniqueAmino AcidsRats, Inbred StrainsLectinsProtein EngineeringAllosteric RegulationMutagenesisStereoisomerismModels, ChemicalAutoradiographyRNA, MessengerTissue DistributionModels, BiologicalMembrane Transport ProteinsChromatography, High Pressure LiquidLiverEpitopesMembranesAmino Acid Motifs