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HomeProduct name list3-Amino-6-[4-(methylsulfonyl)phenyl]-N-phenyl-2-pyrazinecarboxamide

3-Amino-6-[4-(methylsulfonyl)phenyl]-N-phenyl-2-pyrazinecarboxamide

Synonym(s):3-Amino-6-(4-(methylsulfonyl)phenyl)-N-phenylpyrazine-2-carboxamide;3-Amino-6-[4-(methylsulfonyl)phenyl]-N-phenyl-2-pyrazinecarboxamide;VE821

3-Amino-6-[4-(methylsulfonyl)phenyl]-N-phenyl-2-pyrazinecarboxamide Structural

What is 3-Amino-6-[4-(methylsulfonyl)phenyl]-N-phenyl-2-pyrazinecarboxamide?

Description

Ataxia-telangiectasia and Rad3-related protein (ATR) is a serine/threonine kinase that activates DNA processes related to the DNA damage response. VE-821 is an ATP-competitive inhibitor of ATR (IC50 = 26 nM). It augments DNA damage and cell death of cancer cells in response to radiation under normal and hypoxic conditions. VE-821 also sensitizes cancer cells to chemotherapy.

Chemical properties

Bright Yellow Solid

The Uses of 3-Amino-6-[4-(methylsulfonyl)phenyl]-N-phenyl-2-pyrazinecarboxamide

VE 821 is a potent and selective inhibitor of DNA damage response kinase, ATR. VE 821 functions to disrupt DNA damage repair system of tumor cells, limiting their abilities for further growth.

The Uses of 3-Amino-6-[4-(methylsulfonyl)phenyl]-N-phenyl-2-pyrazinecarboxamide

VE-821 has been used as an inhibitor of ATM- and Rad3-related (ATR) protein in human cancer cells.

Definition

ChEBI: 3-amino-6-(4-methylsulfonylphenyl)-N-phenyl-2-pyrazinecarboxamide is an aromatic amide.

Biochem/physiol Actions

VE-821 is a potent ATP-competitive inhibitor of the DNA damage response (DDR) kinase Ataxia telangiectasia-mutated (ATM) and ATM- and Rad3-related (ATR) with a Ki of 13 nM. VE-821 has minimal cross-reactivity against the related PIKKs ATM, DNA-dependent protein kinase (DNA-PK), mTOR and PI3-kinase-γ (Ki of 16 μM, 2.2 μM, >1 μM and 3.9 μM, respectively) and against a large panel of unrelated protein kinases. VE-821 used alone caused death in a large fraction of cancer cell populations and also showed strong synergy with genotoxic agents. VE-821 increased sensitivity of cells to radiation and also sensitized cancer cells to a variety of chemotherapeutic agents.

storage

Store at -20°C

References

Reaper et al. (2011), Selective killing of ATM- or p53-deficient cancer cells through inhibition of ATR; Nat. Chem. Biol., 7 428 Prevo et al. (2012), The novel ATR inhibitor VE-821 increases sensitivity of pancreatic cancer cells to radiation and chemotherapy; Cancer Biol. Ther., 13 1072 Huntoon et al. (2013), ATR inhibition broadly sensitizes ovarian cancer cells to chemotherapy independent of BRCA status; Cancer Res., 73 3683 King et al. (2021), Increased Replication Stress Determines ATR Inhibitor Sensitivity in Neuroblastoma Cells; Cancers (Basel), 13 6215 Moolmuang and Ruchirawat (2021), The antiproliferative effects of ataxia-telangiectasia mutated and ATM- and Rad3-related inhibitions and their enhancements with the cytotoxicity of DNA damaging agents in cholangiocarcinoma cells; J. Pharm. Pharmacol., 73 40

Properties of 3-Amino-6-[4-(methylsulfonyl)phenyl]-N-phenyl-2-pyrazinecarboxamide

Melting point: 247-249°C
Boiling point: 568.4±50.0 °C(Predicted)
Density  1.394
storage temp.  -20°C
solubility  Soluble in DMSO (40 mg/ml)
pka 9.97±0.70(Predicted)
form  powder
color  white to beige
Stability: Stable for 2 years from date of purchase as supplied. Solutions in DMSO may be stored at -20°C for up to 1 month.

Safety information for 3-Amino-6-[4-(methylsulfonyl)phenyl]-N-phenyl-2-pyrazinecarboxamide

Computed Descriptors for 3-Amino-6-[4-(methylsulfonyl)phenyl]-N-phenyl-2-pyrazinecarboxamide

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