PTPN9
Protein-coding gene in the species Homo sapiens
| PTPN9 | |||||||||||||||||||||||||||||||||||||||||||||||||||
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| Aliases | PTPN9, MEG2, PTPMEG2, protein tyrosine phosphatase, non-receptor type 9, protein tyrosine phosphatase non-receptor type 9 | ||||||||||||||||||||||||||||||||||||||||||||||||||
| External IDs | OMIM: 600768; MGI: 1928376; HomoloGene: 2121; GeneCards: PTPN9; OMA:PTPN9 - orthologs | ||||||||||||||||||||||||||||||||||||||||||||||||||
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Tyrosine-protein phosphatase non-receptor type 9 is an enzyme that in humans is encoded by the PTPN9 gene.[5][6]
Function
The protein encoded by this gene is a member of the protein tyrosine phosphatase (PTP) family. PTPs are known to be signaling molecules that regulate a variety of cellular processes including cell growth, differentiation, mitotic cycle, and oncogenic transformation. This PTP contains an N-terminal domain that shares a significant similarity with yeast SEC14, which is a protein that has phosphatidylinositol transfer activity and is required for protein secretion through the Golgi complex in yeast. This PTP was found to be activated by poly-phosphoinositide, and is thought to be involved in signaling events regulating phagocytosis.[6]
References
- ^ a b c GRCh38: Ensembl release 89: ENSG00000169410 – Ensembl, May 2017
- ^ a b c GRCm38: Ensembl release 89: ENSMUSG00000032290 – Ensembl, May 2017
- ^ "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
- ^ "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
- ^ Gu M, Warshawsky I, Majerus PW (May 1992). "Cloning and expression of a cytosolic megakaryocyte protein-tyrosine-phosphatase with sequence homology to retinaldehyde-binding protein and yeast SEC14p". Proc Natl Acad Sci U S A. 89 (7): 2980–4. Bibcode:1992PNAS...89.2980G. doi:10.1073/pnas.89.7.2980. PMC 48787. PMID 1557404.
- ^ a b "Entrez Gene: PTPN9 protein tyrosine phosphatase, non-receptor type 9".
Further reading
- Kruger JM, Fukushima T, Cherepanov V, et al. (2002). "Protein-tyrosine phosphatase MEG2 is expressed by human neutrophils. Localization to the phagosome and activation by polyphosphoinositides". J. Biol. Chem. 277 (4): 2620–8. doi:10.1074/jbc.M104550200. PMID 11711529.
- Qi Y, Zhao R, Cao H, et al. (2002). "Purification and characterization of protein tyrosine phosphatase PTP-MEG2". J. Cell. Biochem. 86 (1): 79–89. doi:10.1002/jcb.10195. PMID 12112018. S2CID 42894613.
- Strausberg RL, Feingold EA, Grouse LH, et al. (2003). "Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences". Proc. Natl. Acad. Sci. U.S.A. 99 (26): 16899–903. Bibcode:2002PNAS...9916899M. doi:10.1073/pnas.242603899. PMC 139241. PMID 12477932.
- Pasquali C, Curchod ML, Wälchli S, et al. (2004). "Identification of protein tyrosine phosphatases with specificity for the ligand-activated growth hormone receptor". Mol. Endocrinol. 17 (11): 2228–39. doi:10.1210/me.2003-0011. PMID 12907755.
- Xu MJ, Sui X, Zhao R, et al. (2004). "PTP-MEG2 is activated in polycythemia vera erythroid progenitor cells and is required for growth and expansion of erythroid cells". Blood. 102 (13): 4354–60. doi:10.1182/blood-2003-04-1308. PMID 12920026.
- Huynh H, Wang X, Li W, et al. (2004). "Homotypic secretory vesicle fusion induced by the protein tyrosine phosphatase MEG2 depends on polyphosphoinositides in T cells". J. Immunol. 171 (12): 6661–71. doi:10.4049/jimmunol.171.12.6661. PMID 14662869.
- Huynh H, Bottini N, Williams S, et al. (2004). "Control of vesicle fusion by a tyrosine phosphatase". Nat. Cell Biol. 6 (9): 831–9. doi:10.1038/ncb1164. PMID 15322554. S2CID 25311826.
- Gerhard DS, Wagner L, Feingold EA, et al. (2004). "The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC)". Genome Res. 14 (10B): 2121–7. doi:10.1101/gr.2596504. PMC 528928. PMID 15489334.
- Rual JF, Venkatesan K, Hao T, et al. (2005). "Towards a proteome-scale map of the human protein-protein interaction network". Nature. 437 (7062): 1173–8. Bibcode:2005Natur.437.1173R. doi:10.1038/nature04209. PMID 16189514. S2CID 4427026.
- Cho CY, Koo SH, Wang Y, et al. (2007). "Identification of the tyrosine phosphatase PTP-MEG2 as an antagonist of hepatic insulin signaling". Cell Metab. 3 (5): 367–78. doi:10.1016/j.cmet.2006.03.006. PMID 16679294.
- Saito K, Williams S, Bulankina A, et al. (2007). "Association of protein-tyrosine phosphatase MEG2 via its Sec14p homology domain with vesicle-trafficking proteins". J. Biol. Chem. 282 (20): 15170–8. doi:10.1074/jbc.M608682200. PMID 17387180.
External links
- PDBe-KB provides an overview of all the structure information available in the PDB for Human Tyrosine-protein phosphatase non-receptor type 9 (PTPN9)
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PDB gallery
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2pa5: Crystal structure of human protein tyrosine phosphatase PTPN9
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