Nonheme Iron ProteinsHemerythrinHemeIronHemeproteinsNitrogenaseIron, DietaryIron RadioisotopesMetalloproteinsIron Chelating AgentsFerrous CompoundsChromatiumFerritinsFerredoxinsAzotobacter vinelandiiElectron Spin Resonance SpectroscopyHeme Oxygenase (Decyclizing)MyoglobinOxidoreductasesFerric CompoundsFerrozineOxidation-ReductionIron CompoundsIron IsotopesAbsorptionRubredoxinsHeme Oxygenase-1SpectrophotometryAzotobacterIntestinal AbsorptionBiological AvailabilityGastric LavageCarbon MonoxideFood AnalysisKineticsBacterial ProteinsHemoglobinsOxygenSpectrum Analysis, RamanRhodospirillum rubrumTransferrinSpectrum AnalysisIron OverloadPeptococcusMeatMolecular Sequence DataAmino Acid SequenceWhalesIron-Sulfur ProteinsDioxygenasesProtein ConformationOxygenasesQuantum TheoryMolecular StructurePeroxidesAscorbic AcidDithioniteClostridiumCytochromesMolybdoferredoxinAnemia, Iron-DeficiencyMetmyoglobinSpectroscopy, MossbauerModels, MolecularGlycerylphosphorylcholineManganese CompoundsPorphyrinsVegetable ProteinsProtoporphyrinsDietElectron TransportDesulfovibrioCytochrome c GroupLigandsBinding SitesLiverChloride PeroxidaseCrystallography, X-RayKetoglutaric AcidsAdenosine DiphosphateMetalloporphyrinsButylated HydroxytolueneNutritive ValueMixed Function OxygenasesEscherichia coliCatalytic DomainHematocritSoybeansPeroxidasesCalcium, DietaryRhodniusAdenosine TriphosphateHistidinePhotolysisLeghemoglobinBase SequenceCatalysisProtein Binding