Genes, MHC Class IIMolecular Sequence DataGenes, RegulatorTranscription FactorsMutationHomeodomain ProteinsMice, Inbred StrainsBase SequenceGenesCrosses, GeneticPhenotypeDrosophila ProteinsGene Expression Regulation, DevelopmentalGene Expression RegulationChromosome MappingGenes, HomeoboxGenes, InsectTrinitrobenzenesTranscription, GeneticFlowersDrosophilaH-2 AntigensPlant ProteinsBody PatterningAmino Acid SequenceGenes, PlantMajor Histocompatibility ComplexGene Expression Regulation, PlantMice, Inbred ARepressor ProteinsRNA, MessengerDNA-Binding ProteinsGene Expression Regulation, BacterialPromoter Regions, GeneticGenetic LinkageDrosophila melanogasterHistocompatibility AntigensGenes, HelminthAllelesGenotypeT-LymphocytesNucleic Acid ConformationMorphogenesisCloning, MolecularIn Situ HybridizationLac OperonAntibody FormationArabidopsis ProteinsGenetic Complementation TestTrans-ActivatorsGenes, BacterialCaenorhabditis elegans ProteinsMice, Inbred C57BLArabidopsisCaenorhabditis elegansBacterial ProteinsGene ExpressionCell DifferentiationCarrier ProteinsRNA, BacterialNuclear ProteinsGenes, ReporterModels, BiologicalSpecies SpecificityLarvaCell NucleusEmbryo, NonmammalianSequence Homology, Amino AcidPhylogenyChromatinEnhancer Elements, GeneticPlants, Genetically ModifiedModels, GeneticGenes, FungalBasic Helix-Loop-Helix Transcription FactorsTime FactorsCells, CulturedEscherichia coliSequence Analysis, DNAMembrane ProteinsEpitopesSequence AlignmentCell DivisionMice, TransgenicCell LineRegulatory Sequences, Nucleic AcidLabor OnsetHistocompatibility Antigens Class IIPeptidesSignal TransductionDNAPlasmidsBinding SitesConserved SequenceNeuronsTemperatureDNA PrimersB-LymphocytesProtein BiosynthesisSaccharomyces cerevisiae