220488
Chk2 Inhibitor, PV1019
The Chk2 Inhibitor, PV1019 controls the biological activity of Chk2. This small molecule/inhibitor is primarily used for Phosphorylation & Dephosphorylation applications.
Synonym(s):
Chk2 Inhibitor, PV1019, NSC 744039
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About This Item
Empirical Formula (Hill Notation):
C18H17N7O3
Molecular Weight:
379.37
UNSPSC Code:
12352200
NACRES:
NA.77
Recommended Products
Quality Level
Assay
≥95% (HPLC)
form
solid
manufacturer/tradename
Calbiochem®
storage condition
OK to freeze
desiccated (hygroscopic)
protect from light
color
orange
solubility
DMSO: 5 mg/mL
shipped in
ambient
storage temp.
−20°C
General description
A cell-permeable nitroindolo-guanidinohydrazone compound that acts as a potent, ATP-competitive, and highly selective Chk2 inhibitor (IC50 = 138 and 570 nM against the phosphorylation of histone H1 by Chk2 in the presence of 10 µM and 1 mM of ATP, respectively), while exhibiting much reduced or no activity against a panel of 52 other cellular kinases, including Chk1 (IC50 = 15.73 and 55 µM against substrate phosphorylation and Chk1 autophosphorylation with 10 µM ATP). Shown to effectively suppress radiation-induced phosphorylation of Chk2 (on Ser516) and its downstream substrate Cdc25c (on Ser216) in MCF7 cultures (IC50<10 µM) and reduce the sensitivity of wild-type murine thymocytes to radiation-induced apoptosis to the level seen in Chk2-/- cultures.
A cell-permeable nitroindolo-guanidinohydrazone compound that acts as a potent, ATP-competitive, and highly selective Chk2 inhibitor (IC50 = 138 and 570 nM against the phosphorylation of histone H1 by Chk2 in the presence of 10 µM and 1 mM of ATP, respectively), while exhibiting much reduced or no activity against a panel of 52 other cellular kinases, including Chk1 (IC50 = 15.73 and 55 µM against substrate phosphorylation and Chk1 autophosphorylation with 10 µM ATP). Shown to effectively suppress radiation-induced phosphorylation of Chk2 (on Ser516) and its downstream substrate Cdc25c (on Ser216) in MCF7 cultures (IC50<10 µM) and reduce the sensitivity of wild-type murine thymocytes to radiation-induced apoptosis to the level seen in Chk2-/- cultures.
Packaging
Packaged under inert gas
Warning
Toxicity: Standard Handling (A)
Reconstitution
Following reconstitution, aliqout and freeze (-20°C). Stock solutions are stable for up to 3 months at -20°C.
Other Notes
Jobson, A.G., et al. 2009. J. Pharmacol. Exp. Ther.331, 816.
Legal Information
CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
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Gwenola Manic et al.
Cell death and differentiation, 28(7), 2060-2082 (2021-02-04)
Cancer stem cells (CSCs) are tumor subpopulations driving disease development, progression, relapse and therapy resistance, and their targeting ensures tumor eradication. CSCs display heterogeneous replication stress (RS), but the functionality/relevance of the RS response (RSR) centered on the ATR-CHK1 axis
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