Sequence Homology, Amino AcidAmino AcidsAmino Acid SequenceProtein Structure, TertiarySequence AlignmentCloning, MolecularAmino Acid SubstitutionMolecular Sequence DataBinding SitesModels, MolecularProtein ConformationAmino Acid MotifsProtein BindingBase SequenceRecombinant Fusion ProteinsProteinsProtein Structure, SecondaryRecombinant ProteinsEscherichia coliMutagenesis, Site-DirectedProtein Interaction Domains and MotifsSequence Analysis, ProteinMutationStructure-Activity RelationshipConserved SequenceDatabases, ProteinPeptide FragmentsPhylogenyBacterial ProteinsDNA, ComplementaryKineticsProtein FoldingAmino Acids, EssentialEvolution, MolecularDNAAmino Acid Transport SystemsPeptidessrc Homology DomainsSequence Homology, Nucleic AcidMembrane ProteinsCarrier ProteinsSequence DeletionCell LineDNA-Binding ProteinsCrystallography, X-RayPlasmidsDNA PrimersSequence Analysis, DNATransfectionSaccharomyces cerevisiaeRestriction MappingDimerizationTranscription FactorsMolecular WeightElectrophoresis, Polyacrylamide GelComputational BiologyMutagenesisProtein Interaction MappingRNA, MessengerAmino Acids, AromaticLeucinePoint MutationCell MembraneSpecies SpecificitySubstrate SpecificityTranscription, GeneticPDZ DomainsAmino Acids, Branched-ChainCysteineGene LibraryAmino Acids, SulfurGenes, BacterialLysineOpen Reading FramesRepetitive Sequences, Amino AcidProtein EngineeringFungal ProteinsLigandsCattleMultigene FamilyAlanineCircular DichroismSignal TransductionViral ProteinsTrypsinPolymerase Chain ReactionMacromolecular SubstancesExonsSoftwareHeLa CellsBiological TransportCricetinaeSequence AnalysisEscherichia coli ProteinsProlineAlgorithmsPlant ProteinsGenesTwo-Hybrid System TechniquesPhosphorylation