Protein Structure, QuaternaryQuaternary Ammonium CompoundsModels, MolecularProtein ConformationHemoglobin AMacromolecular SubstancesCrystallography, X-RayDimerizationBenzalkonium CompoundsCarboxyhemoglobinProtein MultimerizationAllosteric RegulationStereoisomerismDisinfectantsProtein Structure, TertiaryAmino Acid SequenceHemoglobinsMolecular Sequence DataKineticsBinding SitesProtein BindingStructure-Activity RelationshipCetylpyridiniumMolecular StructureOxyhemoglobinsCatalysisEscherichia coliScattering, RadiationProtein Structure, SecondaryDecamethonium CompoundsX-Ray DiffractionCircular DichroismPalladiumAspartate CarbamoyltransferaseCross-Linking ReagentsProtein DenaturationUltracentrifugationMethemoglobinPhytic AcidScattering, Small AngleHydrogen-Ion ConcentrationChromatography, GelClimateFossilsEnzyme StabilityGeological PhenomenaCyclizationLidocaineModels, ChemicalSolutionsMolecular ConformationLigandsAllyl CompoundsCalystegiaMolecular WeightProtein FoldingAllosteric SiteCarbon MonoxideEdrophoniumPorphobilinogen SynthasePhylogeographyBenzocaineThermodynamicsAmmonium CompoundsProtein SubunitsRecombinant ProteinsSaltsImidoestersMagnetic Resonance SpectroscopyGeological ProcessesAlkylationCrystallizationAlkadienesBacterial ProteinsElectrophoresis, Polyacrylamide GelPaleontologySequence Homology, Amino AcidStructural Homology, ProteinErythrocruorinsSilica GelMutagenesis, Site-DirectedSequence AlignmentGlutaralBromidesDNA, ChloroplastCryoelectron MicroscopyGeologyGeographySpectrometry, Fluorescencealpha-CrystallinsSpectrophotometry, UltravioletDimethyl SuberimidateX-RaysCetrimonium CompoundsCatalytic DomainTemperatureMicroscopy, ElectronExtinction, BiologicalPlant LectinsSpace Simulation