HydrogenHydrogen BondingElectronsHydrogen PeroxideMicroscopy, ElectronDeuteriumHydrogen SulfideElectron TransportMicroscopy, Electron, ScanningFree RadicalsNeutronsModels, MolecularNeutron DiffractionOxidation-ReductionMolecular StructureRuthenium CompoundsMolecular ConformationStereoisomerismModels, ChemicalMagnetic Resonance SpectroscopyElectron Spin Resonance SpectroscopyKineticsQuantum TheoryProtonsWaterPhosphoric Triester HydrolasesProtein ConformationZinostatinCrystallography, X-RayGasesThermodynamicsSolventsDeuterium OxideMicroscopy, Electron, TransmissionMass SpectrometryAndrostanesRutheniumChemistryOrganic Chemistry PhenomenaCatalysisCyclic N-OxidesCobamidesHydroxyl RadicalHydrogenationCholestanesChemical PhenomenaIsomerismBinding SitesS-AdenosylmethionineX-Ray DiffractionOxygenTritiumAlkenesEthanolamine Ammonia-LyaseSubstrate SpecificityHydrogen-Ion ConcentrationMevalonic AcidCyclizationMolecular Sequence DataSpectrometry, Mass, Electrospray IonizationCrystallizationMyoglobinCarbon IsotopesSpectrophotometryStructure-Activity RelationshipOrganometallic CompoundsIsotope LabelingAmino Acid SequenceIonsGas Chromatography-Mass SpectrometryTemperatureProtein BindingNADPProteinsEscherichia coliCationsHydrogen CyanideScattering, RadiationMicroscopy, Electron, Scanning TransmissionSpectrometry, Mass, Fast Atom BombardmentChromatography, High Pressure LiquidComputer SimulationChromatography, Thin LayerLigandsElectron Probe MicroanalysisCatalaseOxidantsDNAHydrogenaseCytochrome P-450 Enzyme SystemOxidoreductasesDeuterium Exchange MeasurementElectron Transport Complex IVSulfurSulfidesPeroxidasesElectron Transport Complex IIIProtein Structure, SecondarySpectrum AnalysisBacterial Proteins