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- Table of Contents
Facts about Tyrosine-protein phosphatase non-receptor type 2.
Plays a multifaceted and important role in the maturation of the immune system. Functions in T-cell receptor signaling through dephosphorylation of FYN and LCK to control T-cells differentiation and activation.
Human | |
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Gene Name: | PTPN2 |
Uniprot: | P17706 |
Entrez: | 5771 |
Belongs to: |
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protein-tyrosine phosphatase family |
protein tyrosine phosphatase, non-receptor type 2; PTP2; PTPN2; PTPTPTN2; T-cell protein tyrosine phosphatase; T-cell protein-tyrosine phosphatase; TCELLPTP; TCPTP; TC-PTP; TCPTPEC 3.1.3.48; tyrosine-protein phosphatase non-receptor type 2
Mass (kDA):
48.473 kDA
Human | |
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Location: | 18p11.21 |
Sequence: | 18; NC_000018.10 (12785478..12884351, complement) |
Ubiquitously expressed. Isoform 2 is probably the major isoform. Isoform 1 is expressed in T-cells and in placenta.
[Isoform 1]: Endoplasmic reticulum. Endoplasmic reticulum-Golgi intermediate compartment. Targeted to the endoplasmic reticulum by its C-terminal hydrophobic region.; [Isoform 2]: Nucleus. Cytoplasm. Cell membrane. Predominantly localizes to chromatin (By similarity). Able to shuttle between the nucleus and the cytoplasm and to dephosphorylate plasma membrane receptors (PubMed:9488479). Recruited by activated ITGA1 at the plasma membrane.
PMID: 2546150 by Cool D., et al. cDNA isolated from a human T-cell library encodes a member of the protein-tyrosine-phosphatase family.
PMID: 1731319 by Mosinger B. Jr., et al. Cloning and characterization of a mouse cDNA encoding a cytoplasmic protein-tyrosine-phosphatase.