ApoferritinsFerritinsHorsesAnhydridesIronNeutron Capture TherapySodium AcetateApoproteinsTerbiumMaleatesIodoacetatesSpleenSulfenic AcidsFerric CompoundsGuanidinesDithionitrobenzoic AcidHeminUltracentrifugationFerrous CompoundsHydrogen-Ion ConcentrationSpectrophotometry, UltravioletCadmiumMacromolecular SubstancesProtein BindingEthylmaleimideKineticsSpectrum AnalysisProtein ConformationBinding SitesSpectrophotometryCysteineMicroscopy, ElectronOxidation-ReductionAmino Acids