Horseradish PeroxidasePeroxidasesHydrogenHydrogen BondingHydrogen PeroxideDeuteriumHydrogen SulfideMolecular StructureNeutronsFree RadicalsNeutron DiffractionModels, MolecularStereoisomerismRuthenium CompoundsMagnetic Resonance SpectroscopyMolecular ConformationOxidation-ReductionModels, ChemicalElectronsKineticsQuantum TheoryWaterProtonsPhosphoric Triester HydrolasesZinostatinMass SpectrometrySolventsGasesCrystallography, X-RayChemistryAndrostanesThermodynamicsProtein ConformationOrganic Chemistry PhenomenaDeuterium OxideStructure-Activity RelationshipCatalysisRutheniumChemical PhenomenaIsomerismHydrogenationCholestanesCobamidesHydroxyl RadicalAlkenesCyclic N-OxidesS-AdenosylmethionineBinding SitesTritiumSubstrate SpecificityOrganometallic CompoundsEthanolamine Ammonia-LyaseGas Chromatography-Mass SpectrometryCyclizationSpectrometry, Mass, Electrospray IonizationMevalonic AcidX-Ray DiffractionHydrogen-Ion ConcentrationOxygenCarbon IsotopesChromatography, High Pressure LiquidElectron Spin Resonance SpectroscopyIsotope LabelingMolecular Sequence DataMyoglobinCrystallizationSpectrometry, Mass, Fast Atom BombardmentChromatography, Thin LayerIonsProtein BindingSpectrophotometryAmino Acid SequenceTemperatureLigandsHydrogen CyanideSulfur CompoundsProteinsCationsEscherichia coliNADPComputer SimulationScattering, RadiationCytochrome P-450 Enzyme SystemCatalaseVolatile Organic CompoundsOxidantsSulfhydryl CompoundsDNASulfidesDeuterium Exchange MeasurementPhenolsPlant ExtractsLiverSulfurDrug Evaluation, PreclinicalDose-Response Relationship, DrugDrug DesignHydrogenaseSpectrophotometry, UltravioletInhibitory Concentration 50