Genes, HomeoboxHomeodomain ProteinsAntennapedia Homeodomain ProteinTranscription FactorsAmino AcidsSequence Homology, Amino AcidMolecular Sequence DataBase SequenceLIM-Homeodomain ProteinsAmino Acid SequenceDNA-Binding ProteinsGene Expression Regulation, DevelopmentalBinding SitesPaired Box Transcription FactorsDNACloning, MolecularRepressor ProteinsAmino Acid SubstitutionProtein BindingProtein Structure, TertiaryMutationDrosophila ProteinsSequence AlignmentTranscription, GeneticRecombinant Fusion ProteinsDrosophilaNuclear ProteinsMSX1 Transcription FactorPromoter Regions, GeneticTrans-ActivatorsConserved SequenceAmino Acid MotifsDNA, ComplementaryIn Situ HybridizationOctamer Transcription Factor-1Otx Transcription FactorsMutagenesis, Site-DirectedTranscriptional ActivationGoosecoid ProteinCell LineDNA PrimersModels, MolecularNerve Tissue ProteinsAmino Acids, EssentialEye ProteinsTranscription Factor Pit-1Recombinant ProteinsSequence Homology, Nucleic AcidStructure-Activity RelationshipEmbryo, NonmammalianConsensus SequenceHost Cell Factor C1POU Domain FactorsGene Expression RegulationBody PatterningTransfectionAmino Acid Transport SystemsTwo-Hybrid System TechniquesRNA, MessengerHepatocyte Nuclear Factor 6Protein ConformationPhenotypeXenopus ProteinsFushi Tarazu Transcription FactorsCell DifferentiationPhylogenyEnhancer Elements, GeneticEscherichia coliInsect HormonesPeptide FragmentsDrosophila melanogasterSequence Deletion