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You are here:Home » Molecular Biology » MB-Cancer Markers » Chk2, NT, Blocking Peptide (Checkpoint Kinase 2, Rad 53)

Chk2, NT, Blocking Peptide (Checkpoint Kinase 2, Rad 53)


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Synthetic peptide (SRESDVEAQQSHGSSAC) corresponding to amino acids 2 to 18 of human CHK2 (1).
Catalog #C4201-05P
The p53 tumor-suppressor gene integrates numerous signals that control cell life and death. Several novel molecules involved in p53 signaling, including CHK2 (1), p53R2 (2), p53AIP1 (3), Noxa (4), PIDD (5), and PID/MTA2 (6), were recently discovered. The checkpoint kinase CHK2 is the mammalian homologue of yeast Cds1/Rad53. In response to DNA damage, the checkpoint kinase ATM phosphorylates and activates CHK2, which in turn directly phosphorylates and activates p53 (7,8). CHK2 serves as ATM downstream effector to mediate activation of p53. CHK2 also phosphorylates and activates BRCA1, the product of a tumor suppressor gene that is mutated in breast and ovarian cancer (9).
Applications Suitable for use in ELISA and Western Blot. Other applications not tested.
Storage and Stability Lyophilized powder may be stored at -20°C. Reconstitute to nominal volume by adding sterile 25% glycerol and store at -20°C. May be stored at 4°C for short-term only. Reconstituted product is stable for 12 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
SourceSynthetic peptide
PurityPurified 60-70%
FormSupplied as a lyophilized powder.
Intended for research use only, not for use in human, therapeutic or diagnostic applications.

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