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VE-821

Cat No.
CEI-0864
Description
VE-821 is a potent and selective ATP competitive inhibitor of ATR with Ki/IC50 of 13 nM/26 nM, shows inhibition of H2AX phosphorylation, minimal activity against PIKKs ATM, DNA-PK, mTOR and PI3Kγ.
CAS No.
1232410-49-9
Molecular Weight
368.41
Storage
2 years -20 centigrade Powder; 2 weeks 4 centigrade in DMSO; 6 months -80 centigrade in DMSO.
Targets
ATR
IC50
13 nM (Ki)
Molecular Formula
C18H16N4O3S
Chemical Name
2-Pyrazinecarboxamide, 3-amino-6-[4-(methylsulfonyl)phenyl]-N-phenyl-
Solubility
DMSO 74 mg/mL; Water <1 mg/mL; Ethanol <1 mg/mL
In vitro
VE-821 shows excellent selectivity for ATR with minimal cross-reactivity against the related PIKKs ATM, DNA-PK, mTOR and PI3K (Kis of 16 μM, 2.2 μM, >1 μM and 3.9 μM, respectively. VE-821 alone commits a large fraction of cancer cell populations to death, but it only reversibly limits cell cycle progression in normal cells, with minimal death or long-term detrimental effects. VE-821 along with cisplatin treatment shows the most marked synergy. VE-821 inhibits H2AX cell growth with IC50 of 800 nM.
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