4,5,6,7-Tetrabromobenzimidazole is a selective and ATP competitive CK2 (casein kinase 2) inhibitor[1].
Longdaysin is a CK1α, CK1δ, and extracellular signal-regulated kinase 2 (ERK2) inhibitor with IC50s of 5.6 µM, 8.8 µM, and 52 µM, respectively[1][2].
SSTC3 is a novel small-molecule CK1α activator with EC50 of 30 nM (WNT-driven reporter gene assay), Kd of 32 nM; has better pharmacokinetic properties than pyrvinium, attenuates the growth of such Apc mutant organoids with EC50 of 2.9 uM; decreases the viability of the WNT-dependent cell lines (EC50 = 132, 63, and 123 nM for HT29, SW403, and HCT116 cells, respectively), inhibits the growth of CRC xenografts in mice; also attenuates the growth of patient-derived metastatic CRC xenograft, with minimal gastrointestinal toxicity compared to other classes of WNT inhibitors.
CK2/PIM1-IN-1 is an inhibitor of CK2 and PIM1, with IC50s of 3.787 μM and 4.327 μM for CK2 and PIM1, respectively. CK2/PIM1-IN-1 is developed for the research of proliferative disorders such as cancer, as well as other kinase-associated conditions including inflammation, pain, vascular disorders, pathogenic infections and certain immunological disorders[1].
BTX161 is a thalidomide analog that mediates degradation of CKIα better than lenalidomide in human AML cells and activates DDR and p53, while stabilizing the p53 antagonist MDM2; upregulates all the Wnt targets including MYC and does not affect MDM2 mRNA expression.
(R)-DRF053 dihydrochloride (DRF053) is a potent, cell-permeable, dual CK1/CDK inhibitor with IC50 of 14 nM, 220 nM and 80 nM for CK1, CDK5/p25 and CDK1/cyclin B, respectively; exhibits antiproliferative activity against human neuroblastoma SH-SY5Y cells with EC50 of 17.2 uM, prevents the CK1-dependent production of amyloid-beta in a cell model; specifically increases the number of duct-derived β-cells without affecting their proliferation.
CK2-IN-7 (compound 2) is an inhibitor of casein kinase 2 (CK2). CK2-IN-7 shows synergistic effect with structurally distinct CK2 chemical probe: SGC-CK2-1, against cancer[1].
IC261 is a selective, ATP-competitive CK1 inhibitor, with IC50s of 1 μM, 1 μM, 16 μM for Ckiδ, Ckiε and Ckiα1, respectively.
PF-5006739 is a potent and selective inhibitor of CK1δ/ε with IC50s of 3.9 nM and 17.0 nM, respectively. PF-5006739 is a potential therapeutic agent for a range of psychiatric disorders with low nanomolar in vitro potency for CK1δ/ε and high kinome selectivity. PF-5006739 attenuats opioid drug-seeking behavior in a rodent operant reinstatement model in animals in a dose-dependent manner[1]. PF-5006739 improves glucose tolerance in both diet-induced obesity (DIO) and genetic (ob/ob) mice models of obesity[2].
CK2-IN-1 is a CK2 inhibitor, with an IC50 of 150 nM[1].
DMAT is a potent and specific CK2 inhibitor with an IC50 value of 130 nM.
GO289 (GO-289, GO 289) is a potent and selective inhibitor of casein kinase 2 (CK2) with IC50 of 7 nM in in vitro kinase assays, shows minor effects on CKIδ and CKIα activity in vitro; GO289 showed only a moderate or minor effect on the activity of 59 kinases from a variety of classes, the second most affected kinase was PIM2 with an IC50 of 13 nM; caused dose-dependent lengthening of circadian period not only in Bmal1-dLuc reporter cells but also in Per2-dLuc reporter cells with a phase opposite to that of Bmal1-dLuc, inhibits phosphorylation of clock protein PER2 S693 in cells; strongly inhibits Caki-2, A498, and 769-P cancer cells, significantly reduces growth of mouse MLL-AF9 leukemia cells without effect on hematopoietic progenitor cells; shows effectivity on circadian period and reporter signal intensity in spleen explants of MLL-AF9 mice.
Casein kinase 1δ-IN-8 (compound 494) is an inhibitor of Casein kinase 1δ, Casein kinase 1δ-IN-8 can be used in the treatment of neurodegenerative disorders such as Alzheimer's disease[1].
CX-4945 is a potent, selective and oral casein kinase 2 (CK2) inhibitor with a Ki of 0.38 nM.
TMCB is a selective, ATP-competitive CK2 (casein kinase II) inhibitor with distinct Ki values of 83 nM and 21 nM for the two different catalytic CK2 subunits α and α', respectively[1].
Casein Kinase 2 Substrate Peptide is a common CK2 substrate peptide. Casein Kinase 2 Substrate Peptide is synthesized with its C-terminus conjugated to 5-[(2-aminoethyl)amino]naphthalene-1-sulfonic acid (EDANS). Casein Kinase 2 Substrate Peptide can be used for protein kinase CK2 activity determination[1].
Quinalizarin is a potent, selective and cell-permeable protein kinase CK2 inhibitor with an Ki of ~50 nM and an IC50 of 110 nM. Quinalizarin can induce apoptosis of certain cancer cells[1].
Casein kinase 1δ-IN-14 (compound 481) is a casein kinase inhibitor that can be used to study neurodegenerative diseases such as Alzheimer's disease[1].
JNJ-6204 is a dual inhibitor for CSNK1D (Casein Kinase 1 Delta) and CSNK1E (Casein Kinase 1 Epsilon) (CSNK1D IC50=2.3 nM; CSNK1E IC50=137 nM). JNJ-6204 shows good brain exposure[1][2].
SGC-CK2-1 is a highly potent, ATP-competitive, and cell-active CK2 chemical probe with exclusive selectivity for both human CK2 isoforms, with IC50s of 36 and 16 nM for CK2α and CK2α′respectively in the nanoBRET assay. SGC-CK2-1 can be used for the research of neurodegenerative diseases[1][2].
CK2α-IN-1 (compound 2) is a selective CK2α inhibitor (IC50=7.0 µM; Ki=1.6 µM) that exhibits a non-ATP-competitive mode of action. CK2α-IN-1 exhibits good potential for anticancer studies[1].
ON 108600 is a inhibitor for CK2 (Casein Kinase2)/TNIK/DYRK1 , with the IC50s for DYRK1A/DYRKB, DYRK2, CK2α1/CK2α2, and TNIK of 0.016 μm/0.007 μM, 0.028 μM, 0.05 μM/0.005 μM, and 0.005 μM, respectively. ON 108600 has antitumor activity[1].
AMG-548 is a potent, oral and selective p38α inhibitor (Ki=0.5 nM), shows slightly selective over p38β (Ki=36 nM) and >1000 fold selective against p38γand p38δ. AMG 548 is also extremely potent in the inhibition of whole blood LPS stimulated TNFα (IC50=3 nM) [1]. AMG-548 inhibits Wnt signaling by direcly inhibing Casein kinase 1 isoforms δ and ε[2].
Casein Kinase inhibitor A86 (CKIα inhibitor A86) is a novel pan-specific CKI (CSNK1) inhibitor (Kd=1-10 nM, CKIα Kd=9.8 nM) that co-targets the transcriptional kinases CDK7 and CDK9, with hardly inhibition of CDK8, CDK13, CDK11a, CDK11b, and CDK19; target both CDK7 and CDK9 with low nM Kd values; induces leukemia cell apoptosis at <160 nM, in correlation to the capacity to stabilize p53; shows high and selective sensitivity against leukemic CFUs in colony-forming unit (CFU) assay, without effect on normal hematopoietic CFUs; blocking CKIα together with CDK7 and/or CDK9 synergistically stabilize p53, deprive leukemia cells of survival and proliferation-maintaining SE-driven oncogenes, induce apoptosis, abolishes the expression of MYC, MDM2, and the anti-apoptotic oncogene MCL1; demonstrates therapeutic efficacy with preserved hematopoiesis and leukemia cure potential in AML mouse models.
Emodin is a broad-spectrum anticancer agent. Emodin inhibits casein kinase II (CKII) activity with IC50 of 2 μM.
EGFR-IN-57 (Compound 25a) is a potent, orally active EGFR-TK inhibitor with an IC50 of 0.054 µM. EGFR-IN-57 also inhibits VEGFR-2, CK2α, topoisomerase IIβ and tubulin polymerization with IC50 values of 0.087, 0.171, 0.13 and 3.61 µM, respectively. EGFR-IN-57 induces cell cycle arrest at G2/M and pre-G1 phases. EGFR-IN-57 induces cancer cell apoptosis[1].
TA-01 is a potent CK1 and p38 MAPK inhibitor, with IC50s of 6.4 nM, 6.8 nM, 6.7 nM for CK1ε, CK1δ and p38 MAPK, respectively.
Casein kinase 1δ-IN-1 (compound 822) is an inhibitor of casein kinase 1 delta (CK1δ), exhibits inhibition of greater than 5%. Casein kinase 1δ-IN-1 can be used for neurodegenerative disorders such as Alzheimer's disease research[1].
CK2-IN-6 is a potent protein kinase CK2 inhibitor that can be used in the study of cancer as well as other kinase-related conditions, including inflammation, pain and certain immune diseases[1].
Casein kinase 1δ-IN-7 (compound 497) is a Casein kinase 1δ inhibitor. Casein kinase 1δ-IN-7 can be used in the study of neurodegenerative disorders such as Alzheimer's disease[1].