cdk9- cyclin t1

CDK9-IN-7 is a highly selective and orally active CDK9/cyclin T inhibitor (IC50: 11 nM), which exhibits more potent over other CDKs (CDK4/cyclinD: 148 nM; CDK6/cyclinD: 145 nM).

CAN508 is a potent ATP-competitive CDK9/cyclin T1 inhibitor with an IC50 of 0.35 μM. It also competitively inhibits Cdk2-cyclin E with respect to ATP, with Ki and IC50 values of 13.3 μM and 20 μM, respectively. CAN508 exhibits a 38-fold selectivity for CDK9/cyclin T over other CDK/cyclin complexes. [Antitumor activity.]

Riviciclib is a potent inhibitor of cyclin-dependent kinase (CDK)(CDK9-cyclinT1, CDK4-cyclin D1, and CDK1-cyclinB with IC50s of 20 nM, 63 nM, and 79 nM, respectively),with antitumor activity on cisplatin-resistant cells.

Roniciclib (BAY 1000394) is a potent pan-CDK inhibitor and a novel oral cytotoxic agent. Roniciclib inhibits the activity of cell-cycle CDKs CDK1, CDK2, CDK3, CDK4, and of transcriptional CDKs CDK7 and CDK9 with IC(50) values in the range between 5 and 25 nmol/L.

ABC1183 is a novel diaminothiazole that inhibits GSK3α, GSK3β and CDK9. ABC1183 inhibits the growth of a numerous cancer cell lines by decreasing cell survival by inducing G2/M arrest and through altering GSK3, glycogen synthetase, β-catenin phosphorylation and MCL1 expression,and is orally active.

RGB-286638 free base is a novel CDK inhibitor with IC50s of 1 nM/2 nM/3 nM/4 nM/5 nM for cyclin T1-CDK9/cyclin B1-CDK1/cyclin E-CDK2/cyclin D1-CDK4/cyclin E-CDK3/p35-CDK5 respectively; less potent against cyclin H-CDK7 and cyclin D3-CDK6.

TL12-186 is a Cereblon-dependent kinase degrader that degrades CDK, BTK, FLT3, Aurora and other kinases.TL12-186 inhibits CDK2/cyclin A and CDK9/cyclin T1 with IC50s of 73 and 55 nM, respectively.

MC180295 ((rel)-MC180295) is a novel, potent, and highly selective CDK9 inhibitor with an IC50 of 5 nM, demonstrating over 22-fold selectivity compared to other CDKs.

Riviciclib hydrochloride (P276-00) is a novel inhibitor of CDK1, CDK4, and CDK9, with IC50 values of 79 nM, 63 nM, and 20 nM, respectively, currently in Phase 2/3.

FIT-039 is a selective and ATP-competitive, orally active inhibitor of CDK9( IC50 : 5.8 μM;CDK9/cyclin T1). FIT-039 inhibits replication of HSV-1 (IC50 of 0.69 μM), HSV-2, human adenovirus, and human CMV. FIT-039 is a promising antiviral agent for inhibiting drug-resistant HSVs and other DNA viruses.

KB-0742 dihydrochloride is a potent, selective, and orally administered inhibitor of CDK9.

CDK12-IN-E9 is a cell cycle protein kinase (CDK) inhibitor with anticancer and antitumor activity that can be used in the study of breast cancer.

NVP-LCQ195 (LCQ-195) (AT9311) is a potent inhibitor of CDK1, CDK2, CDK3 and CDK5 (IC50: 1-42 nM).

Abemaciclib (LY2835219) is a dual inhibitor of CDK4/6 (IC50=2/10 nM) with selectivity and specificity. Abemaciclib has antitumor activity and is used to treat advanced or metastatic breast cancer.

Abemaciclib methanesulfonate (LY2835219) is a specific and effective inhibitor of CDK4(IC50=2 nM) and CDK6(IC50=10 nM).

Bohemine is a cyclin-dependent kinase inhibitor.

CDK12-IN-4, a pyrazolotriazine compound, exhibits potent inhibition of CDK12 by achieving an IC50 value of 0.641 μM, utilizing high ATP levels (2 mM). Notably, CDK12-IN-4 does not impact CDK2/Cyclin E (IC50 > 20 μM) or CDK9/Cyclin T1 (IC50 > 20 μM) under the influence of high ATP (2 mM) levels (WO2021116178A1).

CDK12-IN-6, a pyrazolotriazine compound, is a powerful inhibitor of CDK12. Its inhibitory activity is significant with an IC50 value of 1.19 μM when tested at high ATP concentration (2 mM). Notably, CDK12-IN-6 does not exhibit any inhibitory effect on CDK2/Cyclin E (IC50 >20 μM) and CDK9/Cyclin T1 (IC50 >20 μM) when tested under the same high ATP conditions (2 mM) (WO2021116178A1).

RGB-286638 is a multi-target CDK inhibitor that effectively hampers the kinase activity of a range of cyclin-CDK complexes, including cyclin T1-CDK9 (IC50 = 1 nM), cyclin B1-CDK1 (IC50 = 2 nM), cyclin E-CDK2 (IC50 = 3 nM), cyclin D1-CDK4 (IC50 = 4 nM), cyclin E-CDK3 (IC50 = 5 nM), and p35-CDK5 (IC50 = 5 nM). Additionally, it inhibits other kinases such as GSK-3β (IC50 = 3 nM), TAK1 (IC50 = 5 nM), Jak2 (IC50 = 50 nM), and MEK1 (IC50 = 54 nM), showcasing its versatile inhibitory potential.

CDK9-Cyclin T1 PPI-IN-1 (Compound B19) is a selective inhibitor of the CDK9-Cyclin T1 protein-protein interaction (PPI), suppressing cell proliferation in TNBC MDA-MB-231 cells with an IC50 of 0.044 μM and inducing apoptosis. This compound diminishes CDK9 transcriptional activity and downregulates phosphorylation of RNA Pol II CTD ser2. In vivo, CDK9-Cyclin T1 PPI-IN-1 effectively impedes tumor growth in a TNBC 4T1 mouse model [1].

Voruciclib is an orally active and selective CDK inhibitor (Ki: 0.626 nM-9.1 nM) that represses the expression of MCL-1 in multiple models of diffuse large B-cell lymphoma and effectively blocks CDK9, the transcriptional regulator of MCL-1.

(R)-Atuveciclib is an isomer of Atuveciclib. Atuveciclib (BAY 1143572) is a potent and highly selective PTEFb/CDK9 inhibitor with an IC50 value of 13 nm for CDK9/CycT1 and a selectivity ratio of 100 for CDK2, with highly bioavailable and orally available advantages.

Atuveciclib S-Enantiomer (BAY-1143572 S-Enantiomer) is a potent and selective CDK9 inhibitor, inhibiting CDK9/CycT1 with an IC50 of 16 nM.

CDK9-IN-1 is a selective and potent CDK9 inhibitor with antiviral activity used in the study of PRRSV infections.