Amino Acid SequenceProtein BindingModels, MolecularBinding SitesAmino AcidsMolecular Sequence DataProtein ConformationProtein Interaction MappingProtein Structure, TertiarySequence Homology, Amino AcidAmino Acid SubstitutionTwo-Hybrid System TechniquesBase SequenceProteinsMutagenesis, Site-DirectedSequence AlignmentSequence Analysis, ProteinCloning, MolecularProtein Structure, SecondaryCell LineStructure-Activity RelationshipMutationKineticsCrystallography, X-RayTranscription FactorsHydrogen BondingDatabases, ProteinEscherichia coliCatalytic DomainCatalysisAmino Acid MotifsSolventsAmino Acids, EssentialPeptide FragmentsRecombinant ProteinsStatic ElectricityProtein FoldingAmino Acid Transport SystemsThermodynamicsModels, ChemicalSubstrate SpecificityMolecular StructureComputer SimulationSoftwarePeptidesDNA, ComplementarySequence Homology, Nucleic AcidBacterial ProteinsCysteineComputational BiologyAmino Acids, AromaticLysineConserved SequenceDNAAlanineLeucineMolecular WeightRecombinant Fusion ProteinsElectrophoresis, Polyacrylamide GelAmino Acids, Branched-ChainRestriction MappingAmino Acids, SulfurChromatography, High Pressure LiquidPlasmidsAspartic AcidTrypsinDNA PrimersMutagenesisArginineCattlePhylogenyPoint MutationGenes, BacterialTryptophanCyanogen BromideSequence Analysis, DNACarrier ProteinsHistidineRNA, MessengerAmino Acids, BasicSpecies SpecificityCircular DichroismIsoleucineGlycineMagnetic Resonance SpectroscopySerineSaccharomyces cerevisiaeSequence DeletionProlineMembrane ProteinsPhenylalanineTransfectionCodonGlutamineHydrolysisBiological TransportHydrogen-Ion ConcentrationThreonineTyrosineMethionine