|Other Names||Poly [ADP-ribose] polymerase 1, PARP-1, ADP-ribosyltransferase diphtheria toxin-like 1, ARTD1, NAD(+) ADP-ribosyltransferase 1, ADPRT 1, Poly[ADP-ribose] synthase 1, PARP1, ADPRT, PPOL|
|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 base excision repair (BER) pathway, by catalyzing the poly(ADP-ribosyl)ation of a limited number of acceptor proteins involved in chromatin architecture and in DNA metabolism. This modification follows DNA damages and appears as an obligatory step in a detection/signaling pathway leading to the reparation of DNA strand breaks (PubMed:17177976, PubMed:18172500, PubMed:19344625, PubMed:19661379, PubMed:23230272). Mediates the poly(ADP-ribosyl)ation of APLF and CHFR (PubMed:17396150). Positively regulates the transcription of MTUS1 and negatively regulates the transcription of MTUS2/TIP150. With EEF1A1 and TXK, forms a complex that acts as a T-helper 1 (Th1) cell-specific transcription factor and binds the promoter of IFN-gamma to directly regulate its transcription, and is thus involved importantly in Th1 cytokine production (PubMed:17177976). Required for PARP9 and DTX3L recruitment to DNA damage sites (PubMed:23230272). PARP1-dependent PARP9-DTX3L-mediated ubiquitination promotes the rapid and specific recruitment of 53BP1/TP53BP1, UIMC1/RAP80, and BRCA1 to DNA damage sites (PubMed:23230272). Mediates the poly(ADP-ribosyl)ation of histones in a HPF1-dependent manner (PubMed:27067600). Involved in the synthesis of ATP in the nucleus, together with NMNAT1, PARG and NUDT5 (PubMed:27257257). Nuclear ATP generation is required for extensive chromatin remodeling events that are energy-consuming (PubMed:27257257).|
|Cellular Location||Nucleus. Nucleus, nucleolus. Note=Localizes at sites of DNA damage|
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This gene encodes a chromatin-associated enzyme,poly(ADP-ribosyl)transferase, which modifies various nuclearproteins by poly(ADP-ribosyl)ation. The modification is dependenton DNA and is involved in the regulation of various importantcellular processes such as differentiation, proliferation, andtumor transformation and also in the regulation of the molecularevents involved in the recovery of cell from DNA damage. Inaddition, this enzyme may be the site of mutation in Fanconianemia, and may participate in the pathophysiology of type Idiabetes.
Majewski, P.M., et al. J. Biol. Chem. 285(45):34828-34838(2010)Kim, M., et al. Cancer Sci. 101(11):2436-2442(2010)Dong, Y., et al. Cancer Res. 70(20):8088-8096(2010)Krishnakumar, R., et al. Mol. Cell 39(5):736-749(2010)Lee, K.A., et al. Rheumatol. Int. (2010) In press :
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