ATM Kinase Inhibitor

KU-55933 (ATM Kinase Inhibitor) is an ATM inhibitor (IC50=12.9 nM; Ki=2.2 nM) that is selective and ATP-competitive. KU-55933 induces apoptosis and has antitumor effects.

AZ31 is an ATM inhibitor with potency, high selectivity, and oral activity.AZ31 inhibits ATM enzymes, intracellular ATM, with IC50 values of <1.2 nM and 46 nM, respectively.AZ31 exhibits excellent ATR selectivity, PIKK family selectivity, and pan-kinase selectivity.AZ31 is a potent in vitro radiosensitizer that can be used for cancer research.

Ku-60019 is a potent, reversible inhibitor of ATM kinase (IC50: 6.3 nM). It is much less effective or without effect against a panel of 229 other kinases.

Dactolisib (BEZ235) is an orally bioavailable inhibitor of PI3K and mTOR, with IC50 values of 4 nM for p110α, 5 nM for p110γ, 7 nM for p110δ, 75 nM for p110β, and 20.7 nM for mTOR.

Mirin is a Mre11-Rad50-Nbs1 (MRN) complex inhibitor that inhibits MRN-dependent ATM activation without affecting ATM protein kinase activity. It also inhibits Mre11-associated exonuclease activity, thereby disrupting DNA double-strand break repair.Mirin induces cell cycle arrest in G1 phase.

Torin 2(IC50=0.25 nM), a specific and effective mTOR inhibitor, is the 800-fold greater specific activity for mTOR than PI3K and improves pharmacokinetic properties. The EC50 of Torin 2 for ATM ATR DNA-PK inhibition is 28 nM 35 nM 118 nM, respectively.

Wortmannin (SL-2052) is a PI3K inhibitor (IC50=3 nM) that is covalent and irreversible. Wortmannin is also an inhibitor of PlK1 and PlK3 (IC50=5.8 48 nM) that blocks autophagy.

NU6027 is a potent ATR CDK inhibitor, inhibits CDK1 2, ATR and DNA-PK with Ki of 2.5 μM 1.3 μM, 0.4 μM and 2.2 μM, enter cells more readily than the 6-aminopurine-based inhibitors.

NU 7026 (DNA-PK Inhibitor II) is an effective DNA-PK inhibitor (IC50: 0.23 μM, in cell-free assays), 60-fold selective for DNA-PK than PI3K and no inhibition against both ATM and ATR.

PIK-93, the first potent synthetic PI4K inhibitor, exhibits an IC50 of 19 nM and also inhibits PI3Kα with an IC50 of 39 nM.

Potent and selective ATM kinase inhibitor (IC50 = 0.6 nM in an enzyme inhibition assay). Exhibits > 600-fold selectivity for ATM over other kinases. Inhibits ATM kinase in an in vitro cellular assay (IC50 = 0.33 μM). Potentiates the antitumor effects of the topoisomerase 1 inhibitor irinotecan in tumor bearing, immunocompromised mice. Orally bioavailable. Degorce et al (2016) Discovery of novel 3-quinoline carboxamides as potent, selective and orally bioavailable inhibitors of ataxia telangiectasia mutated (ATM) kinase. J.Med.Chem. 59 6281 PMID:27259031

AIM-100 is a Ack1 inhibitor (IC50: 24 nM).

Camonsertib (RP-3500) is a novel, potent and selective ATR kinase inhibitor (ATRi) that exhibits potent antitumor effects with an IC50: 1.00 nM in biochemical assays.RP-3500 is 30-fold more selective for ATR than mTOR (IC50: 120 nM) and more than 2,000-fold more potent than ATM, DNA-PK and PI3Kα kinases. RP-3500 is 30 times more selective for ATR than mTOR (IC50: 120 nM), and 2,000 times more selective than ATM, DNA-PK and PI3Kα kinases.

Lartesertib (ATM Inhibitor-5) is an inhibitor of serine threonine protein kinase ATM with potential anticancer activity for the study of lung cancer.

ATM Inhibitor-3 is a potent and selective inhibitor of ATM (IC50: 0.71 nM). ATM Inhibitor-3 inhibits the PI3K kinase family and exhibits good metabolic stability.

ATM Inhibitor -4 is a selective and potent ATM inhibitor (IC50: 0.32 nM) that strongly inhibits the activity of the PI3K kinase family and exhibits good metabolic stability. ATM Inhibitor -4 completely inhibits mTOR at 1 μM.

KU-60019 is a specific inhibitor of ATM kinase (IC50: 6.3 nM).

SU-11752 is a potent and selective DNA-PK inhibitor. Inhibition kinetics and a direct assay for ATP binding showed that SU11752 inhibited DNA-PK by competing with ATP. SU11752 inhibited DNA double-strand break repair in cells and gave rise to a five-fold sensitization to ionizing radiation. At concentrations of SU11752 that inhibited DNA repair, cell cycle progression was still normal and ATM kinase activity was not inhibited.

M3541 is a selectively potent and orally active ATM inhibitor with potential antitumor activity.M-3541 inhibits ATM kinase activity and ATM-mediated signaling by binding to ATM.M3541 prevents activation of DNA damage checkpoints, inhibits DNA damage repair, contributes to apoptosis, and induces death of ATM overexpressing tumor cells.

AZD-7648 is an inhibitor of DNA-dependent protein kinase (DNA-PK) with the IC50 of 0.63 nM in an enzyme assay,has anti-tumor activity.

ATM Inhibitor-9 (Compd 7a) is a potent ATM kinase inhibitor with an IC50 of 5 nM, used in cancer research [1].

ART0380 is a potent, selective, orally available, ATP-competitive ATR kinase inhibitor (IC50=51.7 nM) with antitumor activity for the study of ataxia telangiectasia mutated (ATM) cancer.

ATM inhibitor-6 (A-193), a selective inhibitor of ATM kinase, is utilized in cancer research [1].

Garcinone C is a xanthone derivative extracted from Garcinia oblongifolia Champ with anti-inflammatory, astringency, and granulation-promoting activities. Garcinone C is an AChE inhibitor and has potential cytotoxic effects on certain cancers.