Magnetic Resonance SpectroscopyMagnetic Resonance ImagingCrystallography, X-RayCreatinePhosphocreatineCholineAspartic AcidProtonsCrystallographyNuclear Magnetic Resonance, BiomolecularElectron Spin Resonance SpectroscopyModels, MolecularPhosphorusBrainInositolProtein ConformationPhosphorus IsotopesMagnetic Resonance AngiographyCarbon IsotopesFluorineEnergy MetabolismPhosphatesHydrogen-Ion ConcentrationMagnetic Resonance Imaging, CineGlutamineGlutamic AcidMolecular Sequence DataProtein Structure, SecondaryMolecular StructureBrain ChemistryMolecular ConformationLactic AcidBinding SitesSpectrum AnalysisSpectroscopy, Near-InfraredAmino Acid SequenceHydrogenSpectrophotometry, InfraredSolutionsDiffusion Magnetic Resonance ImagingProtein Structure, TertiaryAdenosine TriphosphatePhosphorylcholineProtein BindingKineticsSurface Plasmon ResonanceContrast MediaMass SpectrometryWaterOxygenImage Processing, Computer-AssistedMuscle, SkeletalReproducibility of ResultsDeuteriumCircular DichroismSpectrum Analysis, RamanX-Ray DiffractionHydrogen BondingSpin LabelsCarbohydrate SequenceBrain MappingSensitivity and SpecificityGlycerylphosphorylcholineTime FactorsLactatesMetabolomicsCrystallizationOxidation-ReductionModels, ChemicalBrain NeoplasmsBrain DiseasesFourier AnalysisGyrus CinguliAlgorithmsTemperatureThermodynamicsOccipital LobeCarbohydrate ConformationChromatography, High Pressure LiquidNeurochemistryChemistryGadolinium DTPAImaging, Three-DimensionalMyoglobinStructure-Activity RelationshipElectronsCryoelectron MicroscopyEscherichia coliSynchrotronsGadoliniumMetabolomeChemical PhenomenaSpectrometry, FluorescenceReference ValuesGlucoseFrontal LobeImage Interpretation, Computer-AssistedSpectrometry, Mass, Fast Atom BombardmentNitrogen IsotopesLigands