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PROTAC CDK12-Cyclin K degrader
PP-C8 is a potent and selective PROTAC degrader targeting the CDK12–Cyclin K complex. It induces efficient degradation of CDK12 and Cyclin K with DC₅₀ values of 416 nM and 412 nM, respectively. In preclinical models, PP-C8 exhibits strong synergistic antiproliferative effects when combined with PARP inhibitors, particularly in triple-negative breast cancer (TNBC), highlighting its potential as a therapeutic strategy for enhancing DNA damage response–targeted treatments. -
PROTAC CDK12/13 Degrader
PROTAC CDK12/13 Degrader-1 (7f) is a highly selective dual degrader targeting CDK12 and CDK13, with DC₅₀ values of 2.2 nM and 2.1 nM, respectively. It exhibits potent anti-proliferative activity and serves as a valuable tool for investigating transcriptional regulation and therapeutic strategies in breast cancer research. -
PROTAC CDK8-cyclin C dual degrader
LL-K8-22 is a potent, selective, and durable PROTAC degrader targeting the CDK8–cyclin C complex, with DC₅₀ values of 2.52 μM and 2.64 μM, respectively. It suppresses STAT1 Ser727 phosphorylation and inhibits E2F- and MYC-driven oncogenic transcriptional programs. LL-K8-22 shows potential for use in triple-negative breast cancer (TNBC) research and related therapeutic studies. -
PROTAC CDK4/6 Degrader
XY028-133 (Example 14) is a PROTAC-based degrader targeting CDK4/6, composed of ligands for von Hippel-Lindau (VHL) and CDK. It induces selective degradation of CDK4/6 and exhibits anti-tumor activity, making it a useful tool for cell cycle and cancer research. -
PROTAC CDK4/6 Degrader
BSJ-03-204 triTFA is a potent and selective PROTAC degrader targeting CDK4/6, constructed using ligands for cereblon and CDK. Based on Palbociclib, it exhibits IC₅₀ values of 26.9 nM for CDK4/D1 and 10.4 nM for CDK6/D1. BSJ-03-204 triTFA does not induce IKZF1/3 degradation and shows anti-cancer activity, making it a valuable tool for cell cycle and oncology research. -
PROTAC CDK12/13 Degrader
PROTAC CDK12/13 Degrader-1 (7f) TFA is a highly selective dual degrader of CDK12 and CDK13, with DC₅₀ values of 2.2 nM and 2.1 nM, respectively. It exhibits strong antiproliferative activity and is a valuable tool for investigating cell cycle regulation and therapeutic strategies in breast cancer research. -
PROTAC CDK12 Degrader
BSJ-4-116 is a PROTAC molecule derived from a modified form of the multi-kinase degrader TL12-186, linked to a cereblon ligand and E3 ligase ligand intermediate. It induces time- and concentration-dependent degradation of CDK12 in Jurkat T cells and downregulates genes involved in DNA double-strand break repair at 50 nM. BSJ-4-116 also inhibits MOLT-4 leukemia cell growth in a cereblon-dependent manner, supporting its application in cancer and DNA repair research. -
PROTAC CDK2/9 Degrader
PROTAC CDK2/9 Degrader-1 (Compound F3) is a potent dual PROTAC degrader targeting CDK2 (DC₅₀ = 62 nM) and CDK9 (DC₅₀ = 33 nM), constructed by linking a CDK inhibitor to a cereblon ligand. It effectively inhibits PC-3 prostate cancer cell proliferation (IC₅₀ = 0.12 µM) by inducing cell cycle arrest in the S and G2/M phases, making it a valuable tool for cancer and cell cycle research. -
PROTAC CDK4 Degrader
BSJ-04-132 is a potent and selective Ribociclib-based PROTAC degrader targeting CDK4, constructed using ligands for cereblon and CDK. It exhibits IC₅₀ values of 50.6 nM for CDK4/D1 and 30 nM for CDK6/D1, while sparing CDK6 and IKZF1/3 from degradation. BSJ-04-132 demonstrates anti-cancer activity and is a valuable tool for cell cycle and oncology research. -
PROTAC CDK4/6 Degrader
BSJ-03-204 is a potent and selective PROTAC degrader targeting CDK4 and CDK6, constructed by linking Palbociclib to a cereblon ligand. It exhibits IC₅₀ values of 26.9 nM for CDK4/D1 and 10.4 nM for CDK6/D1, without inducing degradation of IKZF1 or IKZF3. BSJ-03-204 demonstrates strong anti-cancer activity and is a valuable tool for cell cycle and oncology research. -
multi-kinase PROTAC degrader
TL12-186 is a cereblon-dependent PROTAC degrader with broad-spectrum activity against multiple kinases, including CDKs, BTK, FLT3, Aurora kinases, TEC, ULK, and ITK. It inhibits CDK2/cyclin A and CDK9/cyclin T1 with IC₅₀ values of 73 nM and 55 nM, respectively, making it a valuable tool for studying kinase-driven signaling pathways and cancer biology. -
PROTAC CDK4/6 degrader
XY028-140 (MS140) is a highly potent and selective dual-function compound that acts as both a CDK4/6 kinase inhibitor and a PROTAC degrader. By combining kinase inhibition with targeted protein degradation, MS140 provides an effective approach for disrupting CDK4/6-mediated cell cycle regulation, making it a valuable tool for cancer research. -
CDK1 Inhibitor
Albanol B is a selective inhibitor of Cyclin-dependent kinase 1 (CDK1), derived from arylbenzofuran. This compound demonstrates significant potential in cancer research by inhibiting cell proliferation and down-regulating CDK1 expression, leading to G2/M cell cycle arrest and apoptosis in cancer cells. Additionally, Albanol B exhibits anti-Alzheimer's activity, antibacterial properties, and antioxidant effects, while also inducing mitochondrial reactive oxygen species (ROS) production and enhancing phosphorylation levels of AKT and ERK1/2. -
HDACs/CDKs Dual Inhibitor
CDK/HDAC-IN-3 is a dual inhibitor targeting histone deacetylases (HDACs) and cyclin-dependent kinases (CDKs). It exhibits potent and selective activity, with IC50 values of 98.32 nM, 98.85 nM, 100 nM, 62.12 nM, 93.28 nM, and 82.87 nM against CDK9, CDK12, CDK13, HDAC1, HDAC2, and HDAC3, respectively. This compound is particularly relevant for research in acute myeloid leukemia (AML), providing insights into therapeutic strategies for this disease. -
CDK9-cyclin T1 Degrader
LL-K9-3 is a small-molecule degrader specifically targeting the CDK9-cyclin T1 complex. This compound exhibits significant anti-proliferative and pro-apoptotic activities, effectively inhibiting downstream signaling pathways associated with CDK9 and androgen receptor (AR). LL-K9-3 is particularly relevant for research involving oncogenic transcriptional programs driven by AR and Myc, making it a valuable tool in cancer studies. -
CDK6/PIM1 Inhibitor
CDK6/PIM1-IN-1 hydrochloride is a potent dual inhibitor targeting CDK6 and PIM1, exhibiting IC50 values of 39 nM and 88 nM, respectively, along with significant inhibition of CDK4 (IC50=3.6 nM). This compound effectively inhibits the proliferation of acute myeloid leukemia (AML) cells, induces G1 phase cell cycle arrest, and promotes apoptosis. CDK6/PIM1-IN-1 hydrochloride is a valuable tool for research investigating the role of CDK6 and PIM1 in cancer biology, particularly in the context of AML. -
cyclin D1 Inhibitor
Dehydrozingerone is a cyclin D1 inhibitor derived from ginger, known for its ability to downregulate cyclin D1 expression and induce G1 phase cell cycle arrest. This compound effectively reduces the proliferative capacity of castration-resistant prostate cancer cells in vitro and inhibits subcutaneous tumor growth by targeting cell proliferation and angiogenesis. Additionally, dehydrozingerone demonstrates notable antibacterial and antifungal properties, making it suitable for research into castration-resistant prostate cancer, bacterial infections, and food spoilage due to fungal infections. -
cyclin D1/CDK4 Inhibitor
Arcyriaflavin A is an indolo[2,3-a]carbazole compound that primarily acts as a cyclin D1/CDK4 inhibitor. This compound, derived from the marine ascidian Eudistoma sp. and the slime mold Arcyria denudata, demonstrates significant biological activity in regulating the cell cycle. Arcyriaflavin A is particularly relevant for research applications focusing on colon and lung cancer, providing insights into tumor growth and potential therapeutic strategies. -
EGFR/HER2/CDK9 Inhibitor
EGFR/HER2/CDK9-IN-2 is a potent inhibitor targeting EGFR, HER2, and CDK9, exhibiting IC50 values of 145.35 nM, 129.07 nM, and 117.13 nM, respectively. This compound demonstrates significant antitumor activity, making it a valuable tool for cancer research. Its ability to concurrently inhibit these kinases positions it as a promising candidate for studies focused on targeted therapy and oncogenic signaling pathways. -
EGFR/HER2/CDK9/COX-2 Inhibitor
CDK9-IN-41 is a potent inhibitor of CDK9, EGFR, HER2, and COX-2, exhibiting IC50 values of 192.81 nM, 254.03 nM, 238.81 nM, and 775 nM respectively. This compound demonstrates significant antitumor activity across various cancer cell lines, including leukemia, colon, melanoma, ovarian, and breast cancer. It serves as a valuable tool for exploring the role of these kinases in cancer biology and therapeutic applications. -
EGFR/HER2/CDK9 Inhibitor
EGFR/HER2/CDK9-IN-3 is a potent inhibitor targeting EGFR, HER2, and CDK9, exhibiting IC50 values of 191.08 nM, 132.65 nM, and 113.98 nM, respectively. This compound demonstrates significant antitumor activity, making it valuable for research in cancer therapies and signaling pathways involving these targets. Its inhibitory effects on cell proliferation in cancer models may aid in the understanding and development of targeted treatment strategies. -
EGFR/HER2/CDK9 Inhibitor
EGFR/HER2/CDK9-IN-1 is a highly active inhibitor of EGFR, HER2, and CDK9, displaying IC50 values of 90.17 nM, 131.39 nM, and 67.04 nM, respectively. This compound demonstrates significant antitumor properties, making it a valuable tool for cancer research. Its ability to target multiple kinases involved in cell proliferation and survival pathways supports investigations into therapeutic strategies for various malignancies. -
EGFR/CDK-2 Inhibitor
EGFR/CDK2-IN-1 is an inhibitor targeting both the epidermal growth factor receptor (EGFR) and cyclin-dependent kinase 2 (CDK2). This compound exhibits significant cytotoxicity against breast cancer MCF7 cells and liver cancer HepG2 cells, making it a valuable tool in cancer research. Its dual inhibition profile allows for exploration of synergistic effects in therapeutic strategies targeting these critical pathways in cancer proliferation and survival. -
CDK9/PARP Inhibitor
CDK9/PARP-IN-1 is a potent inhibitor of CDK9 and PARP1, demonstrating IC50 values of 118 nM and 107 nM, respectively. This dual inhibition results in significant antiproliferative effects across various cancer cell lines, making it a valuable tool for cancer research. CDK9/PARP-IN-1 is particularly relevant for studies investigating the therapeutic potential of targeting these pathways in oncology. -
PARP1/CDK12 Inhibitor
Antitumor agent-104 is a potent inhibitor of PARP1 and CDK12, targeting critical pathways in DNA damage repair in tumors. By inhibiting PARP1 enzymatic activity, it effectively reduces PAR protein levels, thus impairing the cellular mechanisms that protect tumor cells. This compound serves as a valuable tool in cancer research, especially in studies focused on understanding tumor biology and exploring novel therapeutic strategies. -
CDK-1/PARP-1 Inhibitor
UNPD139734 is a potent inhibitor of Cyclin-Dependent Kinase 1 (CDK-1) and Poly (ADP-ribose) polymerase 1 (PARP-1), forming stable complexes with both target proteins. This compound serves as a valuable lead for the structural optimization of dual-target anticancer agents, particularly in the context of breast cancer research. Its dual inhibition mechanism offers a promising avenue for investigating novel therapeutic strategies in oncology. -
CDK Inhibitor
Ryuvidine is a selective inhibitor of cyclin-dependent kinases (CDKs), specifically targeting SET domain-containing protein 8 (SETD8) with an IC50 of 0.5 µM, thereby suppressing the monomethylation of histone H4 at lysine 20 (H4K20). Additionally, Ryuvidine inhibits CDK4 with an IC50 of 6.0 µM and KDM5A, leading to the blockade of DNA synthesis. Its biological activity includes anticancer effects against various tumor types, including breast cancer, and it also demonstrates potential therapeutic benefits in arthritis research. -
CDK9/EZH2 Dual-target Inhibitor
CDK9/EZH2-IN-1 is a dual-target inhibitor designed to inhibit both CDK9 and EZH2, exhibiting IC50 values of 83.9 nM and 108.6 nM, respectively. This compound demonstrates significant biological activity by inducing apoptosis and causing DNA double-strand breaks (DSBs). It effectively inhibits the proliferation of various cancer cell lines, including MKN45, MDA-MB-453, and SW620, with IC50 values of 136.3 nM, 171.3 nM, and 315.7 nM, respectively. CDK9/EZH2-IN-1 is suitable for research applications in understanding cancer cell biology and therapeutic development. -
CDK2/CDK5 Inhibitor
(S)-PHA533533 is an inhibitor of cyclin-dependent kinases CDK2 and CDK5, demonstrating blood-brain barrier permeability with IC50 values of 37 nM and 55 nM, respectively. This compound effectively restores UBE3A expression by downregulating UBE3A-ATS, thereby alleviating the epigenetic silencing of paternal UBE3A in mature neurons. (S)-PHA533533 is a valuable tool for research applications related to Angelman syndrome and offers insights into therapeutic strategies for this genetic disorder. -
CDK9 Autophagic Degrader
CDK9 autophagic degrader 1 is a selective autophagic degrader targeting cyclin-dependent kinase 9 (CDK9). This compound effectively degrades CDK9, leading to a significant reduction in associated Cyclin T1 levels. Demonstrating over 80% inhibition of CDK9 at a concentration of 100 nM, this reagent serves as a valuable tool for research applications focused on transcriptional regulation and cancer biology. -
CDK2 Inhibitor
CDK2-IN-12 is a selective inhibitor of cyclin-dependent kinase 2 (CDK2), exhibiting an IC50 of 11.6 μM. This compound also inhibits human carbonic anhydrase isoforms I, II, IX, and XII, with respective KI values of 3534, 638.4, 44.3, and 48.8 nM. CDK2-IN-12 demonstrates notable anticancer activity, making it a valuable tool for research in cancer biology and therapeutic development. -
CA/CDK2 Inhibitor
Carbonic anhydrase inhibitor 14 is a potent inhibitor of carbonic anhydrases (CAs), exhibiting Ki values of 1203 nM for hCA I, 99.7 nM for hCA II, 9.4 nM for hCA IX, and 27.7 nM for hCA XII. Additionally, it effectively inhibits cyclin-dependent kinase 2 (CDK2) with an IC50 of 20.3 μM. This compound demonstrates significant antitumor activity, making it a valuable tool for cancer research and therapeutic applications targeting both CA and CDK2 pathways. -
CDK2 Inhibitor
CDK2-IN-11 is a selective inhibitor of cyclin-dependent kinase 2 (CDK2), demonstrating an IC50 of 6.4 μM. With inhibitory constant (KI) values of 23.4 nM, 56.3 nM, and 44.3 nM for human carbonic anhydrases II, IX, and XII, respectively, it exhibits significant enzyme inhibition. CDK2-IN-11 is primarily utilized in anticancer research, making it a valuable tool for studies targeting cell cycle regulation and tumor progression. -
CDK/GSK3β/JNK Inhibitor
Indirubin-3′-oxime (IDR3O) is a synthetic derivative of indirubin that functions as a potent inhibitor of cyclin-dependent kinases (CDKs), glycogen synthase kinase 3β (GSK3β), and all three isoforms of c-Jun N-terminal kinases (JNK1, JNK2, JNK3). It demonstrates inhibitory activity with IC50 values of 0.8 μM, 1.4 μM, and 1.0 μM for each JNK isoform, respectively. Indirubin-3′-oxime is also known to promote chondrocyte height growth through the activation of Wnt/β-catenin signaling, making it relevant for studies in cellular growth and differentiation. -
10-Methoxycamptothecin Prodrug
MG16 is a prodrug of 10-Methoxycamptothecin, primarily targeting CDK6 and ASK1. It effectively induces cell cycle arrest and apoptosis in cancer cells, demonstrating significant anticancer activity against Lewis lung carcinoma, small cell lung cancer, and non-small cell lung cancer. This compound is valuable for research applications focused on cancer therapeutics and the exploration of cell cycle regulation. -
CDK9 PROTAC Degrader
KI-CDK9d-32 is a selective and potent degrader designed to target CDK9 through a PROTAC mechanism (DC50: 0.89 nM). It facilitates the ubiquitination and subsequent degradation of CDK9, effectively inhibiting the MYC signaling pathway and disrupting nucleolar homeostasis. This compound demonstrates significant anticancer activity, particularly against acute lymphoblastic leukemia and pancreatic cancer, making it a valuable tool for research in cancer biology and therapeutic development. -
CDK9 Inhibitor
YK-2168 is a potent and selective inhibitor of cyclin-dependent kinase 9 (CDK9), exhibiting an IC50 of 5.9 nM. By inhibiting the phosphorylation of the CDK9 substrate pS2-RNA Pol II C-terminal domain, YK-2168 effectively induces apoptosis in tumor cells and suppresses the expression of CDK9-regulated genes, including MYC and Mcl1. This reagent is valuable for research applications in cancer biology, particularly in the study of leukemia and tumor growth inhibition in CDX mouse models. -
CDK9 Inhibitor
KI-ARv-03 is a potent and selective ATP-competitive inhibitor of cyclin-dependent kinase 9 (CDK9), exhibiting an IC₅₀ of 0.15 μM in the presence of 45 μM ATP, with over 130-fold selectivity for CDK9 relative to other CDKs. This compound effectively reduces androgen receptor (AR)-driven transcription and cellular proliferation in prostate cancer models. KI-ARv-03 is applicable in the study of various malignancies, including leukemia, pancreatic cancer, alveolar rhabdomyosarcoma, and castration-resistant prostate cancer. Additionally, it serves as a ligand for PROTAC synthesis, specifically for generating PROTAC KI-CDK9d-32. -
CDK2/MDM2 Inhibitor
CDK2/MDM2-IN-1 is a potent dual inhibitor targeting both CDK2 and MDM2, exhibiting an IC50 value of 2.60 nM for CDK2. This compound demonstrates significant antitumor activity, making it a valuable tool for research in cancer biology and therapeutic development. Its ability to simultaneously inhibit key regulatory proteins positions it as a promising candidate for studies focused on cell cycle regulation and apoptosis. -
CDK2/GSK3β Inhibitor
Tagtociclib hydrate is a potent and selective inhibitor of cyclin-dependent kinase 2 (CDK2) and glycogen synthase kinase 3 beta (GSK3β), displaying inhibition constants of 1.16 nM and 537.81 nM, respectively. This compound demonstrates significant anti-tumor activity, particularly in cancers characterized by cyclin E1 amplification. Tagtociclib hydrate serves as a valuable research tool for studying cell cycle regulation and therapeutic strategies targeting kinase pathways in cancer biology. -
Cyclin D1 Inhibitor
DIF-3 is a potent cyclin D1 inhibitor that promotes the degradation of cyclin D1 and c-Myc by activating GSK-3β. This compound suppresses Wnt/β-catenin signaling pathway-associated proteins, leading to the induction of reactive oxygen species (ROS) and autophagy. Additionally, DIF-3 has demonstrated the ability to inhibit the growth of Trypanosoma cruzi in HT1080 cells, showcasing its antitumor properties in both in vitro and in vivo settings. Its multifaceted mechanism positions DIF-3 as a valuable tool for cancer research and cellular biology studies. -
CDKL5/GSK3 Inhibitor
SGC-CDKL5/GSK3 is a selective inhibitor targeting CDKL5 and GSK3α/β. This compound demonstrates potent inhibition, with IC50 values of 4.6 nM for CDKL5, 24 nM for GSK3β, and 9.5 nM for GSK3α, as assessed by the NanoBRET assay. Its specificity and efficacy make it a valuable tool for investigating central nervous system diseases and related biological pathways. -
GSK3/CDK9 Inhibitor
ABC1183 is a selective dual inhibitor targeting GSK3 and CDK9, effectively inhibiting GSK3β, GSK3α, and CDK9/cyclin T1 with IC50 values of 657 nM, 327 nM, and 321 nM, respectively. This compound exhibits notable anti-inflammatory and anti-tumor activities, making it a valuable tool for cancer research and inflammation-related studies. Its ability to modulate critical signaling pathways positions ABC1183 as a promising candidate for further investigation in therapeutic applications. -
GSK-3/CDK5/CDK2 Inhibitor
GSK-3/CDK5/CDK2-IN-1 is a potent inhibitor targeting GSK-3, CDK5, and CDK2. This imidazole derivative has demonstrated effectiveness in modulating pathways relevant to tumorigenesis and neurodegenerative disorders. Its ability to inhibit these kinases makes it a valuable tool for investigating mechanisms underlying cancer proliferation and neurodegeneration. -
GSK-3/CDK2/CDK5 Inhibitor
GSK-3 Inhibitor 4 is a potent inhibitor of Glycogen Synthase Kinase 3 (GSK-3), Cyclin-Dependent Kinase 2 (CDK2), and Cyclin-Dependent Kinase 5 (CDK5), demonstrating IC50 values of 0.56 nM for GSK-3β, 0.45 nM for GSK-3α, 0.47 μM for CDK2, and 0.68 μM for CDK5. This compound effectively attenuates the phosphorylation of Tau protein, making it a valuable tool for investigating mechanisms underlying Alzheimer's disease. Its oral bioavailability and ability to penetrate the blood-brain barrier further enhance its utility in neuropharmacological research. -
CDK8 Inhibitor
CDK8-IN-12 is a selective inhibitor of cyclin-dependent kinase 8 (CDK8), exhibiting a potent Ki value of 14 nM. This compound also demonstrates off-target activity against GSK-3α, GSK-3β, and PCK-θ with Ki values of 13 nM, 4 nM, and 109 nM, respectively. CDK8-IN-12 has been shown to exert significant anti-proliferative effects on MV4-11 cancer cells, making it a valuable tool for research in oncology and the exploration of CDK8-related pathways in cancer progression. -
CDK/GSK-3 Inhibitor
CDK5-IN-4 is a potent multikinase type-II inhibitor primarily targeting cyclin-dependent kinase 5 (CDK5), with an IC50 of 9.8 μM. Additionally, it exhibits inhibitory activity against GSK-3α and GSK-3β with IC50 values of 0.98 μM and 4.00 μM, as well as CDK9 and CDK2, with IC50 values of 1.76 μM and 6.24 μM, respectively. This compound is particularly relevant for research on glioblastoma and may aid in understanding its molecular mechanisms. -
CDK7 Inhibitor
CDK7-IN-20 is a highly potent and selective irreversible inhibitor of cyclin-dependent kinase 7 (CDK7), exhibiting an IC50 value of 4 nM. Demonstrating over 206-fold selectivity for CDK7 compared to CDK1, CDK2, CDK3, CDK5, CDK6, CDK9, and CDK12, CDK7-IN-20 is a valuable tool for studying the role of CDK7 in cellular processes. Its potential applications extend to researching autosomal dominant polycystic kidney disease (ADPKD) and other related pathologies. -
CDK/GSK3 Inhibitor
Aloisine RP106 is a potent inhibitor of cyclin-dependent kinases (CDKs) Cdk1/cyclin B and Cdk5/p25, as well as glycogen synthase kinase 3 (GSK3), with IC50 values of 0.70 µM, 1.5 µM, and 0.92 µM, respectively. This compound is valuable for research applications targeting cell cycle regulation and neurodegenerative diseases, where CDK and GSK3 activity contribute to pathological processes. Researchers can utilize Aloisine RP106 to investigate the role of these kinases in various biological contexts including cancer and neurobiology. -
GSK-3β/CDK-2/CDK-4 Inhibitor
UNC10112785 is a potent inhibitor of serine/threonine kinases, specifically targeting GSK-3β, CDK-2, and CDK-4 with IC50 values of 0.031 μM, 0.016 μM, and 1.99 μM, respectively. This compound exhibits significant biological activity that positions it as a valuable tool in the study of type 2 diabetes. Its ability to modulate key pathways involved in metabolic regulation makes it an essential reagent for researchers investigating therapeutic interventions in diabetic conditions.

