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Anti-Chk1 Phospho Antibody EPR765
* Buy one primary antibody, get 50% off a GAPDH loading control antibody.
Also for Chk1 (NM_001114121)
|A phospho-specific peptide corresponding to residues surrounding Serine 280 of human Chk1 was used as an immunogen. The antibody only detects Chk1 phosphorylated on Serine 280.|
||WB: 1:5000 - 10,000; IHC 1:100 - 250;
|Store at -20 °C. Buffer: Antibody buffer, sodium azide, glycerol, and BSA. Stable for 12 months from date of receipt.|
|Homo sapiens checkpoint kinase 1 (CHEK1), transcript variant 2|
|Chk1 is an evolutionarily conserved protein kinase that has been implicated in cell cycle checkpoint control in lower eukaryotes. Chk1 plays an essential role in the mammalian DNA damage checkpoint, embryonic development, and tumor suppression (1). It is activated in response to replication blocks and genotoxic stress, via phosphorylation of Serine 317 and Serine 345 (2). Activated Chk1 can bind to, phosphorylate (at Serine 216) and inactivate cdc25c (3, 4). Chk1 is phosphorylated by ATR in response to ultraviolet irradiation and inhibition of DNA replication, and by ATM in response to ionizing irradiation, resulting in enhanced kinase activity. Chk1 is phosphorylated at Serine 280 by AKT1/PKB, which is thought to promote mono and/or diubiquitination (5).|
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A. Western blot analysis on 293T cell lysates using anti-Phospho-Chk1 (pS280) RabMAb. Cells were either (A) untreated (B) treated with Calyculin A