Amino Acid SequenceMolecular Sequence DataMutagenesis, Site-DirectedBinding SitesModels, MolecularBase SequenceSequence Homology, Amino AcidProtein ConformationAmino AcidsCloning, MolecularProtein Structure, TertiaryStructure-Activity RelationshipEscherichia coliProtein BindingAmino Acid SubstitutionSequence AlignmentProtein Structure, SecondaryMutationKineticsRecombinant ProteinsPeptide FragmentsSubstrate SpecificityCysteinePeptidesConserved SequenceHistidineBacterial ProteinsLysineCrystallography, X-RayCatalysisCircular DichroismAspartic AcidRecombinant Fusion ProteinsMagnetic Resonance SpectroscopyCatalytic DomainDNA, ComplementaryCell LineTrypsinHydrogen-Ion ConcentrationElectrophoresis, Polyacrylamide GelChromatography, High Pressure LiquidMutagenesisDrug ResiduesDNAAmino Acid MotifsPoint MutationMolecular WeightAlanineSequence Homology, Nucleic AcidCyanogen BromideCattlePlasmidsHydrolysisDNA PrimersTryptophanPesticide ResiduesProtein FoldingArginineSerineRestriction MappingProteinsDisulfidesHydrogen BondingAsparagineTyrosineProtein Processing, Post-TranslationalCarbohydrate SequenceEnzyme StabilityPeptide MappingPhosphorylationSequence DeletionMembrane ProteinsEscherichia coli ProteinsTransfectionMass SpectrometryDimerizationGenes, BacterialCell MembraneMolecular StructureMacromolecular SubstancesCOS CellsModels, ChemicalCarrier ProteinsLigandsChymotrypsinSaccharomyces cerevisiaeNuclear Magnetic Resonance, BiomolecularOligopeptidesOligosaccharidesThreonineChromatography, GelEpitopesCricetinaeGlycosylationSpecies SpecificityGlutamic AcidEndopeptidasesHydrophobic and Hydrophilic InteractionsSialic AcidsProtein Precursors