GlutathioneCysteineDietary SupplementsGlutathione TransferaseGlutathione PeroxidaseGlutathione ReductaseGlutathione DisulfideGlutathione SynthaseCysteine EndopeptidasesCysteine ProteasesButhionine SulfoximineSulfhydryl CompoundsCysteine DioxygenaseGlutathione S-Transferase piOxidation-ReductionGlutamate-Cysteine LigaseAmino Acid SequenceMolecular Sequence DataVitaminsAntioxidantsCysteine Proteinase InhibitorsCysteine SynthaseOxidative StressDisulfidesCystineDinitrochlorobenzeneSeleniumFood, FortifiedMethionine SulfoximineLiverKineticsAcetylcysteineMineralsAscorbic AcidCatalaseDietMutagenesis, Site-DirectedMaleatesLipid PeroxidationHydrogen PeroxideBinding SitesBase SequenceAnimal FeedSuperoxide DismutaseChromatography, High Pressure Liquidgamma-GlutamyltransferaseVitamin ERecombinant ProteinsCattleDithiothreitolSequence Homology, Amino AcidReactive Oxygen SpeciesSulfhydryl ReagentsIsoenzymesZincSubstrate SpecificityGlutaredoxinsEscherichia coliThioredoxinsCathepsinsPlant PreparationsPyrrolidonecarboxylic AcidMutationFolic AcidCloning, MolecularModels, MolecularDose-Response Relationship, DrugMethionineProtein BindingAmino AcidsMicronutrientsPlant ExtractsErythrocytesSulfurMalondialdehydeDietary ProteinsOxidantsEthylmaleimideProtein ConformationNutritional RequirementsCystatinsRandom AllocationDiamideCell LineCatalysisAmino Acids, SulfurDithionitrobenzoic AcidPapainProtein Structure, TertiaryS-NitrosoglutathioneTime FactorsHydrogen-Ion ConcentrationTrace ElementsCathepsin LCells, CulturedOxidoreductasesPhytotherapyIronSequence AlignmentElectrophoresis, Polyacrylamide Gel