Transcription Factor TFIIIARNA, Ribosomal, 5STranscription FactorsInhibitor of Differentiation Protein 2Xenopus laevisRNA, RibosomalDNA-Binding ProteinsMolecular Sequence DataTranscription, GeneticGA-Binding Protein Transcription FactorBase SequencePromoter Regions, GeneticGene Expression RegulationSp1 Transcription FactorBinding SitesZinc FingersProtein BindingTranscriptional ActivationTrans-ActivatorsRNA, MessengerDNABasic Helix-Loop-Helix Transcription FactorsAmino Acid SequenceNuclear ProteinsTranscription Factor AP-1Repressor ProteinsCell LineForkhead Transcription FactorsHomeodomain ProteinsGene Expression Regulation, DevelopmentalSignal TransductionMutationBasic-Leucine Zipper Transcription FactorsCell NucleusTranscription Factor AP-2Cell DifferentiationXenopusTransfection