Amino Acid SequenceMolecular Sequence DataSequence Homology, Amino AcidAmino AcidsModels, MolecularBinding SitesBase SequenceProtein ConformationCloning, MolecularSequence AlignmentMutagenesis, Site-DirectedProtein BindingAmino Acid SubstitutionProtein Structure, TertiaryProtein Structure, SecondaryPeptide FragmentsEscherichia coliNucleotidesMutationPeptidesStructure-Activity RelationshipKineticsSequence Homology, Nucleic AcidCyanogen BromideProteinsConserved SequenceAmino Acid MotifsRecombinant ProteinsCrystallography, X-RayMolecular WeightRecombinant Fusion ProteinsSubstrate SpecificityPepsinogensSequence Analysis, ProteinHydrogen BondingCatalysisDNADNA, ComplementaryCatalytic DomainBacterial ProteinsRestriction MappingCell LineDatabases, ProteinPlasmidsCysteineProtein FoldingGenes, BacterialLysineElectrophoresis, Polyacrylamide GelDNA PrimersSequence Analysis, DNAModels, ChemicalMolecular StructureThermodynamicsPoint MutationMutagenesisChromatography, High Pressure LiquidTrypsinPhylogenyAlanineCattleStatic ElectricityHistidineCircular DichroismSolventsRNA, MessengerAspartic AcidSpecies SpecificityHydrolysisHydrogen-Ion ConcentrationComputer SimulationGenesMagnetic Resonance SpectroscopySequence DeletionCodonCarrier ProteinsArginineTryptophanSaccharomyces cerevisiaePolymerase Chain ReactionSoftwareTranscription, GeneticTransfectionAmino Acids, EssentialMembrane ProteinsOpen Reading FramesLeucineMacromolecular SubstancesPolymorphism, Single NucleotideAmino Acid Transport SystemsEscherichia coli ProteinsDNA, BacterialAdenine NucleotidesSerineComputational BiologySequence AnalysisDNA Mutational AnalysisAmino Acids, AromaticAmino Acids, BasicGene Library