Chromatography, AffinityLigandsProtein BindingMolecular Sequence DataKineticsAmino Acid SequenceBinding SitesBinding, CompetitiveGelsSepharoseMolecular WeightElectrophoresis, Polyacrylamide GelChromatography, High Pressure LiquidRecombinant ProteinsAffinity LabelsChromatography, GelModels, MolecularRadioligand AssayProtein ConformationChromatography, Ion ExchangeProtein Structure, TertiaryBase SequenceStructure-Activity RelationshipCell LineChromatographyCHO CellsPeptidesHydrogen-Ion ConcentrationCarrier ProteinsCloning, MolecularCricetinaeReceptors, Cell SurfaceCell MembraneMolecular StructureHemoglobin AChromatography, GasAntibody AffinityCarboxyhemoglobinChromatography, LiquidRecombinant Fusion ProteinsSequence Homology, Amino AcidChromatography, Thin LayerSubstrate SpecificityMutagenesis, Site-DirectedMacromolecular SubstancesEscherichia coliPeptide LibraryAllosteric RegulationLectinsMutationHemoglobinsSignal TransductionTransfectionAmino AcidsCattleChromatography, DEAE-CelluloseChromatography, AgaroseReceptors, ImmunologicCells, CulturedPeptide FragmentsProteinsOligodeoxyribonucleotidesRabbitsDose-Response Relationship, DrugCarbon MonoxideCrystallography, X-RayIsoelectric FocusingMass SpectrometryProtein Structure, SecondaryThermodynamicsAmino Acid SubstitutionHemeCarbohydratesElectrophoresis, Gel, Two-DimensionalGlycoproteinsAntibodies, MonoclonalBacterial ProteinsPlant LectinsSolubilityCD40 LigandIntegrinsChemistryDNATrypsinChemical PhenomenaSurface Plasmon ResonanceOxygenLiverMembrane ProteinsTemperature