HydrogenHydrogen BondingHydrogen PeroxideDeuteriumHydrogen SulfideMolecular StructureModels, MolecularNeutronsFree RadicalsNeutron DiffractionMagnetic Resonance SpectroscopyMolecular ConformationStereoisomerismRuthenium CompoundsOxidation-ReductionModels, ChemicalElectronsKineticsQuantum TheoryWaterProtonsCrystallography, X-RayPhosphoric Triester HydrolasesSolventsMass SpectrometryProtein ConformationZinostatinThermodynamicsGasesChemistryAndrostanesCatalysisStructure-Activity RelationshipBinding SitesOrganic Chemistry PhenomenaDeuterium OxideIsomerismRutheniumChemical PhenomenaHydrogenationCholestanesCobamidesHydroxyl RadicalOrganometallic CompoundsSubstrate SpecificityAlkenesCyclic N-OxidesS-AdenosylmethionineTritiumMolecular Sequence DataX-Ray DiffractionEthanolamine Ammonia-LyaseHydrogen-Ion ConcentrationGas Chromatography-Mass SpectrometryOxygenCyclizationElectron Spin Resonance SpectroscopyProtein BindingSpectrometry, Mass, Electrospray IonizationMevalonic AcidCarbon IsotopesChromatography, High Pressure LiquidAmino Acid SequenceIsotope LabelingCrystallizationMyoglobinLigandsIonsSpectrophotometrySpectrometry, Mass, Fast Atom BombardmentProteinsTemperatureChromatography, Thin LayerEscherichia coliComputer SimulationHydrogen CyanideSulfur CompoundsCationsDNANADPScattering, RadiationCytochrome P-450 Enzyme SystemCatalaseVolatile Organic CompoundsSulfurOxidantsSulfhydryl CompoundsSulfidesLiverDeuterium Exchange MeasurementPeroxidasesPhenolsHydrogenasePlant ExtractsIronDose-Response Relationship, DrugProtein Structure, TertiaryMutationDrug DesignProtein Structure, Secondary