Spectrum Analysis, RamanVibrationSpectrum AnalysisSpectrophotometry, InfraredMagnetic Resonance SpectroscopySpectroscopy, Fourier Transform InfraredModels, MolecularHemeProtein ConformationIron CompoundsHydrogen BondingMolecular ConformationWaterSpectrophotometry, UltravioletIronSchiff BasesHemeproteinsModels, ChemicalCarbon MonoxideElectron Spin Resonance SpectroscopyCrystallography, X-RayMyoglobinNuclear Magnetic Resonance, BiomolecularMolecular StructureProtein Structure, SecondarySpectrophotometryElectronsLipid BilayersMagnetic Resonance ImagingWhalesCrystallizationOxygenOxidation-ReductionChloride PeroxidaseBacteriorhodopsinsSpectroscopy, Near-InfraredBinding SitesHydrogen-Ion ConcentrationCarotenoidsFerrous CompoundsProtonsCircular DichroismLigandsX-Ray Diffractionalpha-GlobinsPeptidesPhotochemistryComputer SimulationHorseradish PeroxidaseKineticsPhotolysisCopperHemoglobinsSolutionsProtein BindingXanthophyllsThermodynamicsTemperatureFerric CompoundsMolecular Sequence DataBacterial ProteinsTryptophanHistidineAmino Acid SequenceDihydroxyphenylalaninePeroxidasesProtein Structure, TertiaryAmine Oxidase (Copper-Containing)CrystallographyElectrochemistryElectron Transport Complex IVHorsesEscherichia coliLasersSpectrometry, FluorescenceCattleProteinsSilverChemistryChemistry, PhysicalChemical PhenomenaPhysicochemical PhenomenaFourier AnalysisScattering, RadiationUltraviolet RaysDeuteriumMetal NanoparticlesStructure-Activity RelationshipOxyhemoglobinsChromatography, High Pressure LiquidMass SpectrometryHemoglobin APorphyrinsAlgorithmsGoldReproducibility of ResultsTyrosineMutationSurface Plasmon ResonanceProtein Folding