Binding SitesMolecular Sequence DataProtein BindingBase SequenceAmino Acid SequencePromoter Regions, GeneticBinding, CompetitiveModels, MolecularTranscription FactorsKineticsDNA-Binding ProteinsProtein ConformationMutagenesis, Site-DirectedProtein Structure, TertiaryTranscription, GeneticCell LineLigandsMutationDNAStructure-Activity RelationshipRecombinant ProteinsEscherichia coliBinding Sites, AntibodyCrystallography, X-RayGene Expression RegulationEnhancer Elements, GeneticConsensus SequenceSequence Homology, Amino AcidSp1 Transcription FactorRegulatory Sequences, Nucleic AcidSequence AlignmentDNA FootprintingTransfectionRadioligand AssayRecombinant Fusion ProteinsNuclear ProteinsBacterial ProteinsCloning, MolecularRepressor ProteinsConserved SequenceTranscriptional ActivationPeptide FragmentsProtein Structure, SecondaryPlasmidsCarrier ProteinsNucleic Acid ConformationCattleAffinity LabelsCell MembraneChromatin ImmunoprecipitationReceptors, Cell SurfaceDeoxyribonuclease ITrans-ActivatorsRNA, MessengerCells, CulturedElectrophoretic Mobility Shift AssayMutagenesisAmino Acid MotifsSubstrate SpecificityDNA PrimersCalciumMacromolecular SubstancesGenes, ReporterHeLa CellsRegulatory Elements, TranscriptionalSequence Homology, Nucleic AcidAutoradiographyOligodeoxyribonucleotidesProteinsSequence DeletionSpectrometry, FluorescenceDimerizationAllosteric RegulationAmino Acid SubstitutionIodine RadioisotopesMagnesiumTumor Cells, CulturedResponse ElementsPeptidesRabbitsElectrophoresis, Polyacrylamide GelAdenosine TriphosphateMolecular StructureModels, ChemicalAllosteric SiteHydrogen-Ion ConcentrationNucleotide MotifsModels, BiologicalSequence Analysis, DNAThermodynamicsPhotoaffinity LabelsSaccharomyces cerevisiaePoint MutationCross-Linking ReagentsCricetinaeRestriction MappingEscherichia coli ProteinsMagnetic Resonance SpectroscopyComputational BiologyMolecular Weight