ATR 选择性抑制剂

VX-803 (M4344)

VX-803 (M4344, ATR inhibitor 2) is an ATP-competitive, orally active, and selective inhibitor of ataxia telangiectasia and Rad3 related (ATR) kinase with Ki of < 150 pM. VX-803 (M4344) potently inhibits ATR-driven phosphorylated checkpoint kinase-1 (P-Chk1) phosphorylation with IC50 of 8 nM. VX-803 (M4344) exhibits potential antineoplastic activity.

Ceralasertib (AZD6738)

Ceralasertib (AZD6738) is an orally active, and selective ATR kinase inhibitor with IC50 of 1 nM. Phase 1/2.

AZ20

AZ20 is a novel potent and selective inhibitor of ATR kinase with IC50 of 5 nM in a cell-free assay, 8-fold selectivity over mTOR.

Elimusertib (BAY-1895344) hydrochloride

Elimusertib (BAY-1895344) hydrochloride is a potent, highly selective and orally available ATR inhibitor with an IC50 of 7 nM.

Elimusertib (BAY-1895344)

Elimusertib (BAY-1895344) is a very potent and highly selective ATR (ataxia telangiectasia and Rad3-related) inhibitor with IC50 of 7 nM. Elimusertib potently inhibits proliferation of a broad spectrum of human tumor cell lines with median IC50 of 78 nM.

ETP-46464

ETP-46464 is a potent and selective inhibitor of ATR with IC50 of 25 nM.

Berzosertib (VE-822)

Berzosertib (VE-822, VX970, M6620) is an ATR inhibitor with IC50 of 19 nM in HT29 cells.

Dactolisib (BEZ235)

Dactolisib (BEZ235, NVP-BEZ235) is a dual ATP-competitive PI3K and mTOR inhibitor for p110α/γ/δ/β and mTOR(p70S6K) with IC50 of 4 nM /5 nM /7 nM /75 nM /6 nM in cell-free assays, respectively. Inhibits ATR with IC50 of 21 nM in 3T3^TopBP1-ER cell. Dactolisib induces autophagy and suppresses HIV-1 replication. Phase 2.

VE-821

VE-821(ATR inhibitor IV) is a potent and selective ATP competitive inhibitor of ATR with K_i/IC50 of 13 nM/26 nM in cell-free assays, shows inhibition of H2AX phosphorylation, minimal activity against PIKKs ATM, DNA-PK, mTOR and PI3Kγ.

Schisandrin B (Sch B)

Schisandrin B is the most abundant dibenzocyclooctadiene lignan present in the traditional Chinese medicinal herb Schisandra chinensis (Turcz.) Baill. It is a kind of ATR and P-gp inhibitor with high safety.

HAMNO

HAMNO (NSC-111847) is a potent and selective replication protein A (RPA) inhibitor with anti-tumor activity. HAMNO inhibits both ATR autophosphorylation and phosphorylation of RPA32 Ser33 by ATR.

Torin 2

Torin 2 is a potent and selective mTOR inhibitor with IC50 of 0.25 nM in p53−/− MEFs cell line; 800-fold greater selectivity for mTOR than PI3K and improved pharmacokinetic properties. Inhibition of ATM/ATR/DNA-PK with EC50 of 28 nM/35 nM/118 nM,in PC3 cell lines respectively. Torin 2 decreases cell viability and induces autophagy and apoptosis.

CGK 733

CGK 733 is a potent and selective inhibitor of ATM/ATR with IC50 of ~200 nM.