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Cell Signaling Phospho-Chk2 (Thr68) Antibody
Cell Signaling Phospho-Chk2 (Thr68) Antibody - CSIG (Additional S&H or Hazmat Fees May Apply)
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$144.00
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$144.00
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| NETA PART: | CSIG-2661T |
| MFG.PART: | 2661T |
| UNSPSC: | 41116111 |
| Manufacturer: | Cell Signaling |
| Size | 20 µl |
| Reactivity | H Mk |
| Sensitivity | Endogenous |
| Molecular Weight (kDa) | 62 |
| Source/Isotype | Rabbit |
| Application/Dilution | {Western Blotting: 1:1000, Immunoprecipitation: 1:100, Flow Cytometry (Fixed/Permeabilized): 1:400 - 1:800} |
| Storage | Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/ml BSA and 50% glycerol. Store at –20°C. Do not aliquot the antibody. |
| Specificity/Sensitivity | Phospho-Chk2 (Thr68) Antibody detects endogenous levels of Chk2 only when phosphorylated at threonine 68. The antibody does not cross-react with Chk2 phosphorylated at other sites. |
| Species Reactivity | Human, Monkey |
| Source/Purification | Polyclonal antibodies are produced by immunizing animals with a synthetic phosphopeptide corresponding to residues surrounding Thr68 of human Chk2. Antibodies are purified by protein A and peptide affinity chromatography. |
| Background | Chk2 is the mammalian orthologue of the budding yeast Rad53 and fission yeast Cds1 checkpoint kinases (1-3). The amino-terminal domain of Chk2 contains a series of seven serine or threonine residues (Ser19, Thr26, Ser28, Ser33, Ser35, Ser50, and Thr68) each followed by glutamine (SQ or TQ motif). These are known to be preferred sites for phosphorylation by ATM/ATR kinases (4,5). After DNA damage by ionizing radiation (IR), UV irradiation, or hydroxyurea treatment, Thr68 and other sites in this region become phosphorylated by ATM/ATR (5-7). The SQ/TQ cluster domain, therefore, seems to have a regulatory function. Phosphorylation at Thr68 is a prerequisite for the subsequent activation step, which is attributable to autophosphorylation of Chk2 at residues Thr383 and Thr387 in the activation loop of the kinase domain (8). |
| SKU | CSIG-2661T |
|---|---|
| Supplier Part Number | 2661T |
| UM | UNIT |
| UNSPSC | 41116111 |
| Manufacturer | Cell Signaling |
| MSDS URL | https://www.cellsignal.com/contents/technical/safety-data-sheet-(sds)/resources-safety-data-sheets |
| Temperature | -20C |
| ProductLine | CSIG |
| Qty | 1 |
| MinOrderQty | 1 |
| Weight | 7.00 |
| Lead Time | 5 Business Days |