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- Table of Contents
Facts about Phosphatidylinositol 3,4,5-trisphosphate 5-phosphatase 2.
While overexpression reduces both insulin-stimulated MAP kinase and Akt activation, its absence doesn't affect insulin signaling or GLUT4 trafficking. Confers resistance to dietary obesity.
Human | |
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Gene Name: | INPPL1 |
Uniprot: | O15357 |
Entrez: | 3636 |
Belongs to: |
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inositol 1,4,5-trisphosphate 5-phosphatase family |
EC 3.1.3; EC 3.1.3.n1; inositol polyphosphate phosphatase-like 1; Inositol polyphosphate phosphatase-like protein 1; INPPL1; INPPL-1; phosphatidylinositol-34,5-trisphosphate 5-phosphatase 2; Protein 51C; SH2 domain-containing inositol phosphatase 2; SH2 domain-containing inositol-5'-phosphatase 2; SHIP2; SHIP-2; SHIP251C protein
Mass (kDA):
138.599 kDA
Human | |
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Location: | 11q13.4 |
Sequence: | 11; NC_000011.10 (72223861..72239147) |
Widely expressed, most prominently in skeletal muscle, heart and brain. Present in platelets. Expressed in transformed myeloid cells and in primary macrophages, but not in peripheral blood monocytes.
Cytoplasm, cytosol. Cytoplasm, cytoskeleton. Membrane; Peripheral membrane protein. Cell projection, filopodium. Cell projection, lamellipodium. Nucleus. Nucleus speckle. Translocates to membrane ruffles when activated, translocation is probably due to different mechanisms depending on the stimulus and cell type. Partly translocated via its SH2 domain which mediates interaction with tyrosine phosphorylated receptors such as the FC-gamma-RIIB receptor (FCGR2B). Tyrosine phosphorylation may also participate in membrane localization. Insulin specifically stimulates its redistribution from the cyt
PMID: 8530088 by Hejna J.A., et al. Cloning and characterization of a human cDNA (INPPL1) sharing homology with inositol polyphosphate phosphatases.
PMID: 9367831 by Pesesse X., et al. Identification of a second SH2-domain-containing protein closely related to the phosphatidylinositol polyphosphate 5-phosphatase SHIP.