Regulatory Sequences, Nucleic AcidRegulatory Elements, TranscriptionalPromoter Regions, GeneticBase SequenceMolecular Sequence DataEnhancer Elements, GeneticTranscription, GeneticTranscription FactorsGene Expression RegulationGenes, RegulatorResponse ElementsSterol Regulatory Element Binding Protein 1DNA-Binding ProteinsDNA Transposable ElementsBinding SitesConserved SequenceSequence Homology, Nucleic AcidAmino Acid SequenceGenes, ReporterRNA, MessengerIntronsChloramphenicol O-AcetyltransferaseSterol Regulatory Element Binding Protein 2DNAPhylogenyNuclear ProteinsTransfectionCell LineCloning, MolecularDeoxyribonuclease IPlasmidsEvolution, MolecularSequence AlignmentMutationSequence DeletionRestriction MappingProtein BindingSequence Analysis, DNAPlacozoaExonsDrosophila melanogasterRepetitive Sequences, Nucleic AcidInvertebratesRegulatory Sequences, Ribonucleic AcidDrosophilaGene Expression Regulation, DevelopmentalPoriferaDrosophila ProteinsMultigene FamilyCCAAT-Enhancer-Binding ProteinsChoanoflagellataMice, TransgenicTranscriptional ActivationDNA FootprintingGenomeDNA PrimersModels, Genetic5' Flanking RegionGenesHeLa CellsLuciferasesRepressor ProteinsSterol Regulatory Element Binding ProteinsCaenorhabditis elegansHomeodomain ProteinsConsensus SequenceChromatinSequence Homology, Amino AcidRecombinant Fusion ProteinsCell NucleusGene Expression Regulation, EnzymologicCnidariaTransgenesSp1 Transcription FactorOrgan SpecificityTrans-ActivatorsTrace ElementsGene ExpressionHydraAlu ElementsNucleic Acid ConformationFinite Element Analysis3' Untranslated RegionsChromosome MappingAnimals, Genetically ModifiedElementsVertebratesGenes, HomeoboxSilencer Elements, TranscriptionalMutagenesis, Site-DirectedSpecies SpecificityTumor Cells, CulturedInsulator ElementsCells, CulturedBiological EvolutionGenomics5' Untranslated RegionsGlobinsComputational BiologyTranscription Initiation Site