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PTP-PEST / PTPN12 is a member of the protein tyrosine phosphatase (PTP) family. PTPs are signaling molecules that regulate a variety of cellular processes including cell growth, differentiation, mitotic cycle, and oncogenic transformation. This PTP contains a C-terminal PEST motif, which serves as a protein-protein interaction domain, and may regulate protein intracellular half-life. This PTP was found to bind and dephosphorylate the product of the oncogene c-ABL and thus may play a role in oncogenesis. This PTP was also shown to interact with, and dephosphorylate, various products related to cytoskeletal structure and cell adhesion, such as p130 (Cas), CAKbeta/PTK2B, PSTPIP1, and paxillin. This suggests it has a regulatory role in controlling cell shape and mobility. Alternative splicing results in multiple transcript variants encoding distinct isoforms.
Gene Name: | protein tyrosine phosphatase, non-receptor type 12 |
Family/Subfamily: | Protein Phosphatase , NT4 |
Synonyms: | PTPN12, Phosphatase pest, PTPG1, Ptp-g1, PTP-PEST |
Target Sequences: | NM_002835 NP_002826.3 Q05209 |
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