Genes, HomeoboxHomeodomain ProteinsAmino AcidsSequence Homology, Amino AcidAmino Acid SequenceAmino Acid SubstitutionCloning, MolecularAntennapedia Homeodomain ProteinMolecular Sequence DataBase SequenceTranscription FactorsBinding SitesAmino Acids, EssentialSequence AlignmentMutationAmino Acid Transport SystemsDNAAmino Acid MotifsProtein Structure, TertiaryProtein BindingDNA, ComplementaryDNA-Binding ProteinsMutagenesis, Site-DirectedEscherichia coliSequence Homology, Nucleic AcidRecombinant Fusion ProteinsModels, MolecularRecombinant ProteinsLIM-Homeodomain ProteinsProtein ConformationStructure-Activity RelationshipPeptide FragmentsGene Expression Regulation, DevelopmentalConserved SequenceAmino Acids, AromaticKineticsCell LineTranscription, GeneticLeucineAmino Acids, SulfurRepressor ProteinsDNA PrimersSubstrate SpecificityPeptidesPhylogenyRNA, MessengerRestriction MappingPaired Box Transcription FactorsBacterial ProteinsProtein Structure, SecondaryMolecular WeightSequence Analysis, DNAProteinsPlasmidsAlanineDrosophila ProteinsPromoter Regions, GeneticNuclear ProteinsTransfectionLysineElectrophoresis, Polyacrylamide GelAmino Acids, Branched-ChainDrosophilaCarrier ProteinsSequence DeletionTrans-ActivatorsGenes, BacterialMutagenesisPolymerase Chain ReactionGene LibraryAmino Acid Transport Systems, BasicSpecies SpecificitySequence AnalysisPoint MutationIsoleucineAmino Acids, BasicConsensus SequenceGene ExpressionPlant ProteinsBiological TransportSaccharomyces cerevisiaeChromatography, High Pressure LiquidProtein BiosynthesisCattlePhenotypeMSX1 Transcription FactorCodonProlineIn Situ HybridizationGlutamineGene Expression RegulationCOS CellsOpen Reading FramesGenesNerve Tissue ProteinsEvolution, MolecularCyanogen BromideMultigene FamilyArginineTranscriptional Activation