PowdersCrystallography, X-RayCrystallographyModels, MolecularDry Powder InhalersProtein ConformationX-Ray DiffractionPowder DiffractionCrystallizationGamma RaysCryoelectron MicroscopyRadiographySynchrotronsBinding SitesMolecular ConformationProtein Structure, TertiaryMolecular StructureMolecular Sequence DataElectronsAmino Acid SequenceProtein Structure, SecondaryElectron Probe MicroanalysisNuclear Magnetic Resonance, BiomolecularHydrogen BondingMagnetic Resonance SpectroscopyProtein BindingNeutron DiffractionElasmobranchiiPneumoconiosisSkates (Fish)Catalytic DomainX-RaysChemistry, PharmaceuticalProtein Structure, QuaternaryPhotoreceptors, MicrobialProteinsLigandsScattering, Small AngleStructure-Activity RelationshipCatalysisWaterFast NeutronsParticle SizeExcipientsNeutronsNegative StainingRadiology Department, HospitalKineticsMicroscopy, Electron, ScanningModels, ChemicalTechnology, PharmaceuticalDimerizationMuramidaseMutationSolutionsBacterial ProteinsWrist JointDrug CompoundingAluminum SilicatesFreeze DryingMutagenesis, Site-DirectedTabletsAdministration, InhalationSpectrometry, X-Ray EmissionUltraviolet RaysRadiation EffectsThermodynamicsStereoisomerismProtein MultimerizationSequence Homology, Amino AcidAerosolsProtein FoldingMolecular Dynamics SimulationEscherichia coliStatic ElectricityMicrospectrophotometryAnimal FinsDrug DesignMetacarpusMetacarpophalangeal JointNebulizers and VaporizersRadiation DosageTeleradiologyRecombinant ProteinsMacromolecular SubstancesX ChromosomeDose-Response Relationship, RadiationCathode Ray TubeMyoglobinAutomation, LaboratorySubstrate SpecificityTemperatureComputer SimulationStructural Homology, ProteinAutomatic Data ProcessingNucleic Acid ConformationQuartzCalorimetry, Differential ScanningCadmium RadioisotopesMicroscopy, Electron