Polyclonal Antibody to Chk2 (Ab-516)
Figure 1: Western blot analysis of extract from HL60 cells using Chk2 (Ab-516) Antibody 35-1467 .
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Shipping Info:
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| Format : | Purified |
| Amount : | 100 µl |
| Isotype : | Rabbit IgG |
| Content : | Supplied at 1.0mg/mL in phosphate buffered saline (without Mg2+ and Ca2+), pH 7.4, 150mM NaCl, 0.02% sodium azide and 50% glycerol. |
| Storage condition : | Store the antibody at 4°C, stable for 6 months. For long-term storage, store at -20°C. Avoid repeated freeze and thaw cycles. |
The BRCA1-BARD1 heterodimer coordinates a diverse range of cellular pathways such as DNA damage repair, ubiquitination and transcriptional regulation to maintain genomic stability. Acts by mediating ubiquitin E3 ligase activity that is required for its tumor suppressor function. Plays a central role in DNA repair by facilitating cellular response to DNA repair. Required for appropriate cell cycle arrests after ionizing irradiation in both the S-phase and the G2 phase of the cell cycle. Involved in transcriptional regulation of P21 in response to DNA damage. Required for FANCD2 targeting to sites of DNA damage. May function as a transcriptional regulator. Inhibits lipid synthesis by binding to inactive phosphorylated ACACA and preventing its dephosphorylation
Melchionna, R. et al. (2000) Nat. Cell Biol. 2, 762-765.
Ahn, J.Y. et al. (2000) Cancer Res. 60, 5934-5936.
Lee, C.H. and Chung, J.H. (2001) J. Biol. Chem. 276, 30537-30541
Predicted MW: 62kd, Western blotting: 1:500~1:1000
For Research Use Only. Not for use in diagnostic/therapeutics procedures.
| Subcellular location: | Nucleus, Nucleus |
| Post transnational modification: | Phosphorylated. Phosphorylated at Ser-73 by PLK3 in response to DNA damage, promoting phosphorylation at Thr-68 by ATM and the G2/M transition checkpoint. Phosphorylation at Thr-68 induces homodimerization. Autophosphorylates at Thr-383 and Thr-387 in the T-loop/activation segment upon dimerization to become fully active and phosphorylate its substrates like for instance CDC25C. DNA damage-induced autophosphorylation at Ser-379 induces CUL1-mediated ubiquitination and regulates the pro-apoptotic function. Phosphorylation at Ser-456 also regulates ubiquitination. Phosphorylated by PLK4. |
| Tissue Specificity: | High expression is found in testis, spleen, colon and peripheral blood leukocytes. Low expression is found in other tissues. |
| BioGrid: | 116369. 118 interactions. |
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