Genes, HomeoboxHomeodomain ProteinsTranscription FactorsMolecular Sequence DataGene Expression Regulation, DevelopmentalAntennapedia Homeodomain ProteinBase SequenceLIM-Homeodomain ProteinsAmino Acid SequenceIn Situ HybridizationOtx Transcription FactorsMSX1 Transcription FactorGoosecoid ProteinDNA-Binding ProteinsRepressor ProteinsSequence Homology, Amino AcidPhylogenyMutationBody PatterningAvian ProteinsDrosophila ProteinsTrans-ActivatorsDrosophilaSequence Analysis, DNAPromoter Regions, GeneticCloning, MolecularPhenotypePaired Box Transcription FactorsEmbryo, NonmammalianMorphogenesisTranscription, GeneticSequence AlignmentGene ExpressionEye ProteinsDNANerve Tissue ProteinsMesodermDNA PrimersPolymerase Chain ReactionCell DifferentiationRNA, MessengerMultigene FamilyDNA, ComplementaryGene Expression RegulationXenopus ProteinsGenes, ReporterZebrafish ProteinsNuclear ProteinsChromosome MappingDNA Mutational AnalysisRNA, Ribosomal, 16SExtremitiesBinding SitesConserved SequenceEctodermEmbryonic and Fetal DevelopmentEndodermProsencephalonHeadMeristemNervous SystemGenes, InsectEmbryo, MammalianVertebratesTranscriptional ActivationChick EmbryoProtein BindingReverse Transcriptase Polymerase Chain ReactionGastrulaChordata, NonvertebratePOU Domain FactorsEyeZebrafishEmbryonic InductionDNA, RibosomalSequence Homology, Nucleic AcidRhombencephalonCell LineRecombinant Fusion ProteinsEvolution, MolecularBlotting, NorthernProtein Structure, TertiaryExonsCentral Nervous SystemCell LineageAnimals, Genetically ModifiedTransfectionEnhancer Elements, GeneticTelencephalonGene Expression ProfilingMice, Mutant StrainsGenes, PlantBlotting, SouthernCaenorhabditis elegans ProteinsSignal TransductionImmunohistochemistryPedigreeBasic Helix-Loop-Helix Transcription FactorsMethanobacterialesBranchial Region