Nonheme Iron ProteinsHemerythrinIronIron Chelating AgentsIron, DietaryNitrogenaseIron RadioisotopesMetalloproteinsFerredoxinsIron IsotopesFerritinsChromatiumFerrous CompoundsIron CompoundsHemeRubredoxinsIron OverloadFerric CompoundsElectron Spin Resonance SpectroscopyAzotobacter vinelandiiFerrozineOxidoreductasesAbsorptionOxidation-ReductionTransferrinIntestinal AbsorptionBiological AvailabilitySpectroscopy, MossbauerAzotobacterGastric LavageIron-Sulfur ProteinsSpectrum AnalysisFood AnalysisAnemia, Iron-DeficiencySpectrophotometryClostridiumDesulfovibrioRhodospirillum rubrumPeptococcusMeatHemoglobinsBacterial ProteinsDioxygenasesProtein ConformationOxygenasesDithioniteAscorbic AcidMolybdoferredoxinOxygenKineticsAmino Acid SequenceMolecular Sequence DataModels, MolecularManganese CompoundsGlycerylphosphorylcholineIron Regulatory Protein 1Vegetable ProteinsSulfurCrystallography, X-RayIron Metabolism DisordersPeroxidesMolecular StructureQuantum TheoryIron-Dextran ComplexDietKetoglutaric AcidsHematocritIron Regulatory Protein 2Electron TransportNutritive ValueBinding SitesButylated HydroxytolueneMyoglobinDeferoxamineAdenosine DiphosphateCalcium, DietarySoybeansIron-Binding ProteinsWhalesCrystallographySiderophoresSpectrum Analysis, RamanReceptors, TransferrinHemeproteinsMixed Function Oxygenases