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Protein tyrosine phosphatase receptor type Z (Ptprz, also known as PTPζ or RPTPβ) is preferentially expressed in the CNS as a major chondroitin sulfate proteoglycan (CSPG). Ptprz interacts with the PSD95 family through its intracellular carboxyl-terminal PDZ-binding motif in the postsynaptic density. Ptprz-deficient adult mice display impairments in spatial and contextual learning. Here, we identified...
Although members of the protein tyrosine phosphatase (PTP) family are known to play critical roles in various cellular processes through the regulation of protein tyrosine phosphorylation in cooperation with protein tyrosine kinases (PTKs), the physiological functions of individual PTPs are poorly understood. This is due to a lack of information concerning the physiological substrates of the respective...
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