Crystallography, X-RayCrystallizationModels, MolecularProtein ConformationProtein Structure, SecondaryHydrogen BondingProtein Structure, TertiaryBinding SitesX-Ray DiffractionProtein Structure, QuaternaryMolecular Sequence DataAmino Acid SequenceDimerizationHydrophobic and Hydrophilic InteractionsProtein FoldingCryoelectron MicroscopyCatalytic DomainCosmic DustBacterial ProteinsThermus thermophilusProtein BindingCatalysisWaterLigandsSchiff BasesProtein SubunitsSequence AlignmentSelenomethionineStatic ElectricityOrganic Chemistry PhenomenaSequence Homology, Amino AcidFourier AnalysisElectronsSynchrotronsPhysicochemical PhenomenaThermotoga maritimaChemistry, PhysicalEscherichia coliMolecular StructureRecombinant ProteinsNucleic Acid ConformationAmino Acid MotifsProtonsModels, ChemicalEscherichia coli ProteinsX-RaysBase PairingSpectrum AnalysisModels, StructuralMolecular ConformationArchaeal ProteinsScattering, RadiationSubstrate SpecificityZincRNA, BacterialMutationStructure-Activity RelationshipConserved SequenceNuclear Magnetic Resonance, BiomolecularImmunoglobulin Fab FragmentsComputer SimulationThermodynamicsMacromolecular SubstancesCloning, MolecularStructural Homology, ProteinAmino Acid SubstitutionAllosteric RegulationOxidation-ReductionMagnesiumLightMetalsRibosomal ProteinsRibosomesRNA, TransferHistidineSolutionsProteinsHydrogenProtein MultimerizationPeptidesMultiprotein ComplexesCarbohydrate ConformationSolventsMutant ProteinsCysteineLysineCapsid ProteinsCell MembraneMagnetic Resonance SpectroscopyMembrane ProteinsSurface PropertiesOxygenHydrogen-Ion ConcentrationTryptophanDNAKineticsMicroscopy, ElectronMolecular Dynamics SimulationTemperatureElectron Spin Resonance Spectroscopy