IronFerric CompoundsFerrous CompoundsSpectroscopy, MossbauerIron RadioisotopesIron CompoundsOxidation-ReductionIron IsotopesIron-Sulfur ProteinsElectron Spin Resonance SpectroscopyIron Chelating AgentsGeobacterTransferrinNonheme Iron ProteinsFMN ReductaseNitrogenaseSulfurFerritinsMolybdoferredoxinManganeseMetalsNitrilotriacetic AcidHemeCopperHydrogenaseSpectrum AnalysisZincFerredoxinsMagnetite NanoparticlesMetals, HeavyDeltaproteobacteriaX-Ray Absorption SpectroscopyMetalloproteinsAzotobacter vinelandiiKineticsAzotobacterOxygenHydroxyl RadicalOxidoreductasesGalliumFerrosoferric OxideIron-Binding ProteinsModels, MolecularEdetic AcidSpectrum Analysis, RamanDeferoxamineElectronsDithioniteIron, DietaryHumic SubstancesMolecular Sequence DataHydrogen-Ion ConcentrationSiderophoresElectron TransportMagneticsFinite Element AnalysisTrace ElementsHydrogenSpectrophotometryCeruloplasminBacterial ProteinsDioxygenasesHemeproteinsMolecular StructureMineralsBinding SitesAnaerobiosisHemoglobinsShewanella putrefaciensIron-Dextran ComplexHydroxidesAconitate HydrataseChelating AgentsApoferritinsNickelCation Transport ProteinsDeoxyriboseSpectrophotometry, UltravioletCatalysisAscorbic AcidHydrogen PeroxideOrganometallic CompoundsPhenanthrolinesMolybdenumCrystallography, X-RayQuantum TheoryAmino Acid SequenceUraniumOxygenasesSulfidesAbsorptionCobaltCoordination ComplexesMetalloporphyrinsSpectrophotometry, AtomicProtein BindingCarbon MonoxideGeologic SedimentsAmyloid beta-Protein PrecursorModels, Chemical