Spectrometry, Mass, Fast Atom BombardmentModels, MolecularMolecular StructureMagnetic Resonance SpectroscopyCrystallography, X-RayHydrogen BondingProtein ConformationMolecular ConformationModels, ChemicalOxygen IsotopesBinding SitesHydrogenSulfurMass SpectrometryX-Ray DiffractionStereoisomerismOxidation-ReductionStructure-Activity RelationshipWaterKineticsElectronsSpectrum AnalysisAmino Acid SequenceMolecular Sequence DataElectron Spin Resonance SpectroscopyChemistryQuantum TheoryChemical PhenomenaDeuteriumIronThermodynamicsZincCatalysisProteinsSubstrate SpecificitySpectrophotometryCrystallographyCopperCrystallizationProtein BindingOxygenSolventsChemistry, PhysicalMolybdenumCarbonProtein Structure, SecondaryLigandsComputer SimulationAmino AcidsGas Chromatography-Mass SpectrometryPhysicochemical PhenomenaFerredoxinsCarbon IsotopesChromatography, Thin LayerProtonsChromatography, High Pressure LiquidSolutionsBromineHydrogen-Ion ConcentrationAlkanesSulfidesIsotope LabelingCatalytic DomainCysteineEscherichia coliIsomerismHemeSpectrophotometry, UltravioletStatic ElectricityProtein Structure, TertiaryNeutron DiffractionHistidineOxidoreductasesMyoglobinHalogenationNuclear Magnetic Resonance, BiomolecularX-RaysNitrogen IsotopesRubredoxinsFluorineHalogensMetalsOrganometallic CompoundsAlkenesOxygenasesTemperatureFullerenesCobaltSpectrum Analysis, RamanSpectroscopy, MossbauerBacterial ProteinsCoordination ComplexesSpectrophotometry, InfraredSulfurtransferasesFourier AnalysisTungstenIron-Sulfur ProteinsFree RadicalsCarbohydrate SequenceElectrochemistry