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

Cat no: C4201-05P

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

Synthetic peptide (SRESDVEAQQSHGSSAC) corresponding to amino acids 2 to 18 of human CHK2 (1).\n\nThe 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).\n\nApplications: Suitable for use in ELISA and Western Blot. Other applications not tested.\n\nStorage and Stability: Lyophilized powder may be stored at -20 degrees C. Reconstitute to nominal volume by adding sterile 25% glycerol and store at -20 degrees C. May be stored at 4 degrees C for short-term only. Reconstituted product is stable for 12 months at -20 degrees 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.

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SPECIFICATIONS

Catalog Number

C4201-05P

Size

50ug

Applications

ELISA, WB

Form

Supplied as a lyophilized powder.

Purity

Purified 60-70%

References

1. Matsuoka S, Huang M, Elledge SJ. Linkage of ATM to cell cycle regulation by the Chk2 protein kinase. Science. 1998;282:1893

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