Protein Tyrosine PhosphatasesReceptor-Like Protein Tyrosine Phosphatases, Class 4YersiniaDysideaProtein Tyrosine Phosphatase, Non-Receptor Type 1Phosphoprotein PhosphatasesVanadatesAmino Acid SequenceMolecular Sequence DataAntigens, CD45Receptor, InsulinSubstrate SpecificityPhosphotyrosineTyrosinePhosphorylationBase SequenceSequence Homology, Amino AcidCloning, MolecularKineticsProtein-Tyrosine KinasesBlotting, NorthernIsoenzymesRNA, MessengerTumor Cells, CulturedCell MembraneBinding SitesLiver