Dual-Specificity PhosphatasesMitogen-Activated Protein Kinase PhosphatasesProtein Tyrosine PhosphatasesProtein Phosphatase 2Phosphoprotein PhosphatasesDual Specificity Phosphatase 1Protein Phosphatase 1Sp Transcription FactorsSubstrate SpecificitySp1 Transcription FactorMolecular Sequence DataAmino Acid SequenceDual Specificity Phosphatase 6Dual Specificity Phosphatase 3Sequence Homology, Amino AcidProtein-Serine-Threonine KinasesBase SequenceSp3 Transcription FactorSp4 Transcription FactorOkadaic AcidPhosphorylationSp2 Transcription FactorEthers, CyclicAcid PhosphatasePlicamycinPhosphoric Monoester Hydrolasescdc25 PhosphatasesBinding SitesSensitivity and SpecificityPromoter Regions, GeneticProtein Binding