|Other Names||Protein phosphatase 1D, Protein phosphatase 2C isoform delta, PP2C-delta, Protein phosphatase magnesium-dependent 1 delta, p53-induced protein phosphatase 1, PPM1D, WIP1|
|Target/Specificity||The synthetic peptide sequence used to generate the antibody AP13875c was selected from the Center region of PPM1D. A 10 to 100 fold molar excess to antibody is recommended. Precise conditions should be optimized for a particular assay.|
|Format||Synthetic peptide was lyophilized with 100% acetonitrile and is supplied as a powder. Reconstitute with 0.1 ml DI water for a final concentration of 1 mg/ml.|
|Storage||Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C.|
|Precautions||This product is for research use only. Not for use in diagnostic or therapeutic procedures.|
|Function||Involved in the negative regulation of p53 expression (PubMed:23242139). Required for the relief of p53-dependent checkpoint mediated cell cycle arrest. Binds to and dephosphorylates 'Ser-15' of TP53 and 'Ser-345' of CHEK1 which contributes to the functional inactivation of these proteins (PubMed:15870257, PubMed:16311512). Mediates MAPK14 dephosphorylation and inactivation (PubMed:21283629). Is also an important regulator of global heterochromatin silencing and critical in maintaining genome integrity (By similarity).|
|Cellular Location||Nucleus. Cytoplasm, cytosol|
|Tissue Location||Expressed in fetal and adult brain. Also detected in fetal liver and skeletal muscle, but not in their adult counterparts.|
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The protein encoded by this gene is a member of the PP2Cfamily of Ser/Thr protein phosphatases. PP2C family members areknown to be negative regulators of cell stress response pathways.The expression of this gene is induced in a p53-dependent manner inresponse to various environmental stresses. While being induced bytumor suppressor protein TP53/p53, this phosphatase negativelyregulates the activity of p38 MAP kinase, MAPK/p38, through whichit reduces the phosphorylation of p53, and in turn suppressesp53-mediated transcription and apoptosis. This phosphatase thusmediates a feedback regulation of p38-p53 signaling thatcontributes to growth inhibition and the suppression of stressinduced apoptosis. This gene is located in a chromosomal regionknown to be amplified in breast cancer. The amplification of thisgene has been detected in both breast cancer cell line and primarybreast tumors, which suggests a role of this gene in cancerdevelopment.
Zhang, X., et al. Cancer Res. 70(18):7176-7186(2010)Rose, J.E., et al. Mol. Med. 16 (7-8), 247-253 (2010) :Moon, S.H., et al. J. Biol. Chem. 285(17):12935-12947(2010)Macurek, L., et al. Oncogene 29(15):2281-2291(2010)Yang, D.H., et al. Zhonghua Yi Xue Za Zhi 90(8):519-522(2010)
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