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].
CDK9-IN-29 (compound Z11) is a potent CDK9 inhibitor (IC50 = 3.20 nM) with good kinase selectivity. CDK9-IN-29 inhibits cell proliferation and induces apoptosis[1].
Riviciclib hydrochloride (P276-00) 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 hydrochloride shows antitumor activity on cisplatin-resistant cells[3].
(S)-GFB-12811 (compound 596) is a potent and selective CDK5 inhibitor, with an IC50 value less than 10 nM. (S)-GFB-12811 can be used in the research of cell cycle progression, neuronal development, tumorigenesis[1].
Manzamine A, an orally active beta-carboline alkaloid, inhibits specifically GSK-3β and CDK-5 with IC50s of 10.2 μM and 1.5 μM, respectively. Manzamine A targets vacuolar ATPases and inhibits Autophagy in pancreatic cancer cells. Manzamine A has antimalarial and anticancer activities. Manzamine A also shows potent activity against HSV-1[1][2][3][4].
PF-06873600 is a selective and orally bioavailable inhibitor of cyclin-dependent kinase (CDK), with Ki values of 0.09 nM, 0.13 nM and 0.16 nM for CDK2, CDK4 and CDK6, respectively. PF-06873600 has potential antineoplastic activity[1][2].
3-Methylthienyl-carbonyl-JNJ-7706621 is a potent and selective inhibitor of cyclin-dependent kinase (CDK), with IC50s of 6.4 nM and 2 nM for CDK1/cyclin B and CDK2/cyclin A, respectively. 3-Methylthienyl-carbonyl-JNJ-7706621 also shows potent inhibition of GSK-3 (IC50=0.041 μM) and modest potency against CDK4, VEGF-R2, and FGF-R2 (IC50=0.11, 0.13, 0.22 μM, respectively). 3-Methylthienyl-carbonyl-JNJ-7706621 can be used for the research of cancer[1].
Crozbaciclib fumarate is a CDK4/6 inhibitor with IC50s of 3 and 1 nM, respectively.
XY028-133 (example 14) is a PROTAC-based CDK4/6 degrader with anti-tumor activity, extracted from patent WO2018106870A1[1].
CDK7-IN-21 (compound A22) is a potent CDK7 inhibitor[1].
CDK2-IN-7 is a CDK2 inhibitor for treating cancer (IC50 < 50 nM).
YX-2-107 is a CRBN-recruiting and specific CDK6-degrading PROTAC with IC50 of 0.69 and 4.4 nM for CDK4 and CDK6 in vitro, selectively degardes CDK6 in Ph+ BV173 ALL cells with a degradation constant of 4 nM.YX-2-107 does not affect expression of IKZF1 and IKZF3, and does not degarde CDK4 protein.YX-2-107 inhibits S-phase entry, cell proliferation, RB phosphorylation, and FOXM1 expression and induces the selective degradation of CDK6 in Ph+ BV173 and SUP-B15 cells.|PROTAC YX-2-107 is bioavailable in mice and pharmacologically active in suppressing Ph+ ALL proliferation in a mouse xenograft of Ph+ ALL, comparable or superior to that of the CDK4/6 enzymatic inhibitor palbociclib.
IV-361 is an orally active and selective CDK7 inhibitor (Ki≤50 nM). IV-361 has anti-cancer activity (US20190256531A1)[1].
Indirubin-5-sulfonate is a cyclin-dependent kinase (CDK) inhibitor, with IC50 values of 55 nM, 35 nM, 150 nM, 300 nM and 65 nM for CDK1/cyclin B, CDK2/cyclin A, CDK2/cyclin E, CDK4/cyclin D1, and CDK5/p35, respectively[1]. Indirubin-5-sulfonate also shows inhibitory activity against GSK-3β[2].
CLK inhibitor T3 (T3) is a highly potent, selective, and cell-based stable CDC-like kinase (CLK) inhibitor with 0.67, 15 and 110 nM for CLK1,2 and 3, respectively; displays 200-300-fold selectivity over other dual specificity kinases such as DYRK1A and DYRK1B; induces dose-dependent reduction in exon recognition and exhibits an overlapping, but greater effect on transcriptome splicing compared to KH-CB19.
[pThr3]-CDK5 Substrate is an effective Phospho-Thr3CDK5 Substrate. [pThr3]-CDK5 Substrate is derived from the sequence of the histone H1 peptide that docks in the active site of CDK5. [pThr3]-CDK5 Substrate is phosphorylated by CDK5 with a Km value of 6 µM[1].
TL12-186 is a CRBN-dependent multi-kinase PROTAC degrader. Multi-kinases include CDK, BTK, FLT3, Aurora kinases, TEC, ULK, ITK, et al. TL12-186 inhibits CDK2/cyclin A (IC50=73 nM) and CDK9/cyclin T1 (IC50=55 nM)[1].
CDK12-IN-2 is a potent, selective and nanomolar CDK12 inhibitor (IC50=52 nM) with good physicochemical properties. CDK12-IN-2 is also a strong CDK13 inhibitor due to CDK13 is the closest homologue of CDK12. CDK12-IN-2 shows excellent kinase selectivity for CDK12 over CDK2, 9, 8, and 7. CDK12-IN-2 inhibits the phosphorylation of Ser2 in the C-terminal domain of RNA polymerase II. CDK12-IN-2 can be used an excellent chemical probe for functional studies of CDK12[1].
CDK7-IN-25 (CY-16-1) is a CDK-7 inhibitor (IC50<1nM) that can be used in cancer research[1].
Cdc7-IN-11 is a highly potent Cdc7 inhibitor with IC50≤1 nM. Cdc7-IN-11 can be used for researching proliferative diseases[1].
CDK7-IN-18 is a potent inhibitor of CDK7. CDK7-IN-18 is a pyrimidinyl derivative compound. CDK7-IN-18 has the potential for the research of various cancers, especially the cancer with transcriptional dysregulation (extracted from patent CN114249712A, compound 15)[1].
CDK4/6-IN-5 is a potent CDK4 and CDK6 inhibitor with Kis of 0.2 and 4.4 nM for CDK4/Cyclin D1 and CDK6/Cyclin D3, respectively[1]. (from patent WO2019207463A1 example A93).
Ribociclib D6 (LEE011 D6) is a deuterium labeled Ribociclib. Ribociclib is a highly specific CDK4/6 inhibitor with IC50 values of 10 nM and 39 nM, respectively, and is over 1,000-fold less potent against the cyclin B/CDK1 complex[1].
(R)-CR8 trihydrochloride (CR8 trihydrochloride), a second-generation analog of Roscovitine, is a potent CDK1/2/5/7/9 inhibitor. (R)-CR8 trihydrochloride inhibits CDK1/cyclin B (IC50=0.09 μM), CDK2/cyclin A (0.072 μM), CDK2/cyclin E (0.041 μM), CDK5/p25 (0.11 μM), CDK7/cyclin H (1.1 μM), CDK9/cyclin T (0.18 μM) and CK1δ/ε (0.4 μM). (R)-CR8 trihydrochloride induces apoptosis and has neuroprotective effect[1][2].
CDK2-IN-12 (compound 10b) is a potent CDK2 inhibitor, with an IC50 of 11.6 μM. CDK2-IN-12 inhibits hCA (carbonic anhydrase) isoforms I, II, IX and XII, with KI values of 3534, 638.4, 44.3, and 48.8 nM. CDK2-IN-12 shows anticancer activity[1].
CDDD2-94 is a highly potent and selective CDK4 inhibitor with Ki of 2 nM, >140-fold selective for CDK4 over CDK6 (Ki=279 nM).CDDD2-94 is ineffective against other members of the CDK family, displays high selectivity against a panel of 369 human kinases at 1uM, with exceptionally selective-CLK, DYRKs and MYLK4 were the only kinases targeted potently.CDDD2-94 is the most selective CDK4 inhibitor identified to date.CDDD2-94 demonstrated antiproliferative activityagainst MV4-11 and MDA-MB-453 cell lines with GI50 of 0.107 and 0.325 uM respectively.CDDD2-94 inhibits S780-phosphorylated Rb (pRb(S780)) and decreases transcription of Rb1 and E2F-target genes in MDA-MB-453 cells.CDDD2-94 is well tolerated and efficacious in preclinical OC xenograft model, CDDD2-94 provides better safety profile than palbociclib towards the bone marrow.
BML-259 is a potent cyclin-dependent kinase 5 (Cdk5) inhibitor, with IC50s of 64 and 98 nM for Cdk5 and Cdk2, respectively[1].
CK7, a Cdk2/9 inhibitor, can be used for the synthesis of Nek1 inhibitor BSc5231 and BSc5367[1].