|Other Names||COP9 signalosome complex subunit 6, SGN6, Signalosome subunit 6, JAB1-containing signalosome subunit 6, MOV34 homolog, Vpr-interacting protein, hVIP, COPS6, CSN6, HVIP|
|Target/Specificity||The synthetic peptide sequence used to generate the antibody AP2869c was selected from the Center region of human COPS6. 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||Component of the COP9 signalosome complex (CSN), a complex involved in various cellular and developmental processes. The CSN complex is an essential regulator of the ubiquitin (Ubl) conjugation pathway by mediating the deneddylation of the cullin subunits of SCF-type E3 ligase complexes, leading to decrease the Ubl ligase activity of SCF-type complexes such as SCF, CSA or DDB2. The complex is also involved in phosphorylation of p53/TP53, c-jun/JUN, IkappaBalpha/NFKBIA, ITPK1 and IRF8, possibly via its association with CK2 and PKD kinases. CSN-dependent phosphorylation of TP53 and JUN promotes and protects degradation by the Ubl system, respectively. Has some glucocorticoid receptor- responsive activity. Stabilizes RFWD2/COP1 through reducing RFWD2 auto-ubiquitination and decelerating RFWD2 turnover rate, hence regulates the ubiquitination of RFWD2 targets.|
|Cellular Location||Nucleus. Cytoplasm. Note=The interaction with HIV-1 Vpr protein possibly leads its translocation to a perinuclear region|
|Tissue Location||Widely expressed.|
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Provided below are standard protocols that you may find useful for product applications.
COPS6 is one of the eight subunits of COP9 signalosome, a highly conserved protein complex that functions as an important regulator in multiple signaling pathways. The structure and function of COP9 signalosome is similar to that of the 19S regulatory particle of 26S proteasome. COP9 signalosome has been shown to interact with SCF-type E3 ubiquitin ligases and act as a positive regulator of E3 ubiquitin ligases. This protein belongs to translation initiation factor 3 (eIF3) superfamily. It is involved in the regulation of cell cycle and likely to be a cellular cofactor for HIV-1 accessory gene product Vpr.
Zhao L.-J., Mukherjee S., Narayan O.J. Biol. Chem. 269:15577-15582(1994)Mahalingam S., Ayyavoo V.Proc. Natl. Acad. Sci. U.S.A. 95:3419-3424(1998)Groisman R., Polanowska J., Kuraoka I.Cell 113:357-367(2003)Hoareau Alves K., Bochard V.FEBS Lett. 527:15-21(2002)
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