Borrelidin (Treponemycin) is a nitrile-containing macrolide antibiotic isolated from Streptomyces rochei, which acts as an inhibitor of bacterial and eukaryal threonyl-tRNA synthetase, can target ALL cell lines by inducing apoptosis and mediating G(1) arrest. Borrelidin (Treponemycin) is an inhibitor of a cyclin-dependent kinase (CDK) of the budding yeast, Cdc28/Cln2 with an IC50 of 24 μM. Borrelidin (Treponemycin) is a potent angiogenesis inhibitor with an IC50 of 0.8 nM for capillary tube formation, and induces apoptosis of the tube-forming cells. Borrelidin (Treponemycin) has strong antimalarial activities, with IC50s of 1.9 nM and 1.8 nM against K1 and FCR3 strains of Plasmodium falciparum[1][2][3].
CDK9-IN-30 is a CDK9 inhibitor that inhibits HIV-1 viral replication[1].
Leucettinib-92 (compound 92) is an inhibitor of DYRK/CLK kinase, The IC50s are 147 nM (CLK1), 39 nM (CLK2), 5.2 nM (CLK4), 0.8 μM (CLK3), 124 nM (DYRK1A), 204 nM (DYRK1B), 0.16 μM (DYRK2), respectively. 1.0 μM (DYRK3), 0.52 μM (DYRK4), 2.78 μM (GSK3)[1].
BSJ-01-175 is a potent and selective CDK12/13 covalent inhibitor. BSJ-01-175 demonstrates exquisite selectivity, potent inhibition of RNA polymerase II phosphorylation, and downregulation of CDK12-targeted genes in cancer cells[1].
CDK6/PIM1-IN-1 is a potent and balanced dual CDK6/PIM1 inhibitor with IC50 values of 39 and 88 nM, respectively. CDK6/PIM1-IN-1 inhibits CDK4 (IC50=3.6 nM). CDK6/PIM1-IN-1 significantly inhibits acute myeloid leukemia (AML) cell proliferation, arrest cell cycle at the G1 phase, and promote cell apoptosis. CDK6/PIM1-IN-1 exhibits potent anti-AML activity[1].
Albanol B is an arylbenzofuran derivative which can be isolated from mulberries. Albanol B exhibits anti-Alzheimer's disease, anti-bacterial and antioxidant activities. Albanol B inhibits cancer cells proliferation, down-regulates CDK1 expression. Albanol B also induces cell cycle arrest at G2/M and apoptosis. And Albanol B induces mitochondrial ROS production and increases the phosphorylation levels of AKT and ERK1/2[1].
Ulecaciclib is an orally activitive inhibitor of cyclin-dependent kinase (CDK), with Ki values of 0.62 μM (CDK2/Cyclin A), 0.2 nM (CDK4/Cyclin D1), 3 nM (CDK6/Cyclin D3), and 0.63 μM (CDK7/Cyclin H), respectively. Ulecaciclib can cross blood brain barrier and has good pharmacokinetic characteristics[1][2][3].
CDK9-IN-8 is a highly effective and selective CDK9 inhibitor with an IC50 of 12 nM.
MFH290 (MFH-290) is a potent, highly selective, covalent inhibitor of CDK12/13 with IC50 of 25/49 nM.MFH290 forms a covalent bond with Cys-1039 of CDK12, and CDK12-dependent as mutation of Cys-1039 rendered the kinase refractory to MFH290.MFH290 exhibits excellent kinome selectivity, inhibits the phosphorylation of serine-2 in the C-terminal domain (CTD) of RNA-polymerase II (Pol II), and reduces the expression of key DNA damage repair genes.MFH290 restored Pol II CTD phosphorylation and DNA damage repair gene expression AND augments the antiproliferative effect of the PARP inhibitor olaparib.
CAN508 is a potent, ATP-competitive CDK9/cyclin T1 inhibitor with an IC50 of 0.35 μM. CAN508 exhibits a 38-fold selectivity for CDK9/cyclin T over other CDK/cyclin complexes. Antitumor activity[1][2].
ABC1183 is a potent, selective, orally active GSK3α/β and CDK9 inhibitor with IC50 of 327/657 nM and 321 nM (CDK9/cyclin T1), shows growth inhibitory activity against a broad panel of cancer cell lines; decreases cell survival through G2/M arrest and modulates oncogenic signaling through changes in GSK3, GS and β-catenin phosphorylation and MCL1 expression; suppresses tumor growth and inflammation-driven gastrointestinal disease symptoms without organ or hematological toxicity in vivo.
CDK8-IN-10 (compound 2) is a potent, selective cyclin-dependent kinase (CDK8) inhibitor with an IC50 value of 8.25 nM. CDK8-IN-10 can be used for research of cancer[1].
FIT-039 is a selective, ATP-competitive and orally active CDK9 inhibitor with an IC50 of 5.8 μM for CKD9/cyclin T1. FIT-039 does not inhibit other CDKs and other kinases. 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.
GSK-3 inhibitor 3 is a selective, orally active and brain-penetrant inhibitor of GSK-3, with IC50s of 0.35 nM and 0.25 nM for GSK-3α and GSK-3β, respectively. GSK-3 inhibitor 3 lowers levels of tau protein phosphorylation at S396 in a triple-transgenic mouse Alzheimer’s disease model, with IC50 of 10 nM. GSK-3 inhibitor 3 can be used for neurological disease research[1].
CDK4/6-IN-16 (example 195) is a potent CDK4 and CDK6 inhibitor, with an IC50 of 0.013 μM for CDK4. CDK4/6-IN-16 can be used for the research of CDK4-mediated disorders, such as cancer[1].
hSMG-1 inhibitor 11e is a potent, selective hSMG-1 kinase inhibitor with IC50 of <0.05 nM, >900-fold selectivity over mTOR, and no significant activity against CDK1/2.
Ipivivint, a first-in-class, orally active and potent CDC-like kinase (CLK) inhibitor, inhibits CLK1 (IC50=1.4 μM), CLK2 (IC50=0.002 μM) and CLK3 (IC50=0.022 μM). Ipivivint reduces Wnt pathway signaling gene expression through inhibiting CLK activity and serine and arginine rich splicing factor (SRSF) phosphorylation and disrupting spliceosome activity. Ipivivint can be used for the research of cancer[1].
Cdk2/Cyclin Inhibitory Peptide I (Tat-LFG), a CDK2 inhibitor, kills U2OS osteosarcoma cells in a dose-dependent manner[1].
CDK7-IN-15 is a potent inhibitor of CDK7. CDK7-IN-15 is a pyrimidinyl derivative compound. CDK7-IN-15 has the potential for the research of various cancers, especially the cancer with transcriptional dysregulation (extracted from patent CN114249712A, compound 8)[1].
DIF-3 reduces the expression levels of cyclin D1 and c-Myc by facilitating their degradation via activation of GSK-3β. DIF-3 inhibits Wnt/β-catenin signaling pathway-related proteins in DLD-1 cells. DIF-3 exerts a strong antiproliferative effect on the human cervical cancer cell line HeLa by inducing cyclin D1 degradation and inhibiting cyclin D1 mRNA expression[1].
FN-1501-propionic acid is a CDK2/9 ligand for PROTAC. FN-1501-propionic acid and a CRBN ligand have been used to design PROTAC CDK2/9 degrader (HY-130709)[1].
Riviciclib (P276-00 free base) is a potent CDK9-cyclinT1, CDK4-cyclin D1, CDK1-cyclinB, CDK2-cyclin A, CDK2-cyclin E, CDK6-cyclin D3, and CDK9-cyclin H inhibitor with IC50 values of 20 nM, 63 nM, 79 nM, 224 nM, 2500 nM, 396 nM, 2900 nM, respectively[1].Riviciclib shows antitumor activity on cisplatin-resistant cells[3].
BI-1347 is a potent CDK8 inhibitor extracted from patent WO2017202719A1, product I-003, has an IC50 of 1.1 nM[1].
NU6027 is a potent and ATP-competitive inhibitor of both CDK1 and CDK2, with Kis of 2.5 µM and 1.3 µM, respectively. NU6027 is also a potent inhibitor of ATR and enhances hydroxyurea and cisplatin cytotoxicity in an ATR-dependent manner[1][2].
LK1/2-IN-3 (compound 3) is a potent and selective CLK1 and CLK2 inhibitor with IC50 values of 1.1, 2.1, 130, 260, 260 nM for CLK1, CLK2, SRPK1, SRPK2, SRPK3, respectively. CLK1/2-IN-3 shows anti-proliferative activity. CLK1/2-IN-3 reduces the levels of endogenous phosphorylated SR proteins and increases the expression of S6K mRNAs[1].
Cdk4/6 Inhibitor IV is a cell-permeable triaminopyrimidine compound acting as a reversible and ATP-competitive inhibitor of Cdk4/6 (IC50 = 1.5 ��M and 5.6 ��M for Cdk4/D1 and Cdk6/D1, respectively)
(2S,3R)-Voruciclib is the (2S,3R)-enantiomer of Voruciclib. (2S,3R)-Voruciclib is an orally active CDK inhibitor[1].
BSJ-04-132 is a potent and selective Ribociclib-based CDK4 degrader (PROTAC), with IC50s of 50.6 nM and 30 nM for CDK4/D1 and CDK6/D1, respectively. BSJ-04-132 does not induce CDK6 and IKZF1/3 degradation. BSJ-04-132 has anti-cancer activity[1].
CA224 (Compound 1) is a selective and orally active Cdk4–cyclin D1 inhibitor with an IC50 of 6.2 µM. CA224 induces cell apoptosis and shows antitumor activity[1].
Samuraciclib (CT7001) is a potent, selective, ATP-competitive and orally active CDK7 inhibitor, with an IC50 of 41 nM. Samuraciclib displays 45-, 15-, 230- and 30-fold selectivity over CDK1, CDK2 (IC50 of 578 nM), CDK5 and CDK9, respectively. Samuraciclib inhibits the growth of breast cancer cell lines with GI50 values between 0.2-0.3 µM. Samuraciclib has anti-tumor effects[1][2].