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protein tyrosine phosphatase-like domain of tensins The tensin family of intracellular proteins (tensin-1, -2, -3 and -4) act as links between the extracellular matrix and the cytoskeleton, and thereby mediate signaling for cell shape and motility. Dysregulation of tensin expression has been implicated in human cancer. Tensin-1, -2, and -3 contain an N-terminal region with a protein tyrosine phosphatase (PTP)-like domain followed by a protein kinase 2 (C2) domain, and a C-terminal region with SH2 and pTyr binding (PTB) domains. In addition, tensin-2 contains a zinc finger N-terminal to its PTP domain. Tensin-4 is not included in this model as it does not contain a PTP-like domain.
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