2. Signaling Pathways
  3. Cell Cycle/DNA Damage
  4. Polo-like Kinase (PLK)

Polo-like Kinase (PLK)

Polo-like Kinase (PLK)

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Polo-like Kinases (PLKs) are a group of highly conserved serine/threonine protein kinases that play a key role in processes such as cell division and checkpoint regulation of mitosis. In mammals, five PLKs (PLK 1-5) encompass diverse roles in centrosome dynamics, spindle formation, intra S-phase and G2/M checkpoints, and DNA damage response.

PLKs are characterized by their Polo-box domain, which mediates protein interactions. They are additionally controlled by phosphorylation, proteolysis, and transcription, depending on the biological context. PLKs are now recognized to link cell division to developmental processes and to function in differentiated cells.

Polo-like Kinase (PLK) Isoform Specific Products:

Polo-like Kinase (PLK) Isoform Comparison
Cat. No. Product Name Effect Purity Chemical Structure
  • HY-132135
    (1E)-CFI-400437 dihydrochloride
    		Inhibitor 98.08%
    (1E)-CFI-400437 dihydrochloride is a potent PLK4 (IC50= 0.6 nM) inhibitor and selective against other members of the PLK family (>10 μM). (1E)-CFI-400437 dihydrochloride inhibits Aurora A, Aurora B, KDR and FLT-3 with IC50s of 0.37, 0.21, 0.48, and 0.18 μM, respectively. Antiproliferative activity.
    (1E)-CFI-400437 dihydrochloride
  • HY-110002
    LFM-A13
    		Inhibitor 99.65%
    LFM-A13 is a potent BTK, JAK2, PLK inhibitor, inhibits recombinant BTK, Plx1 and PLK3 with IC50s of 2.5 μM, 10 μM and 61 μM. LFM-A13 has antiproliferative activity and anticancer activity. LFM-A13 can be used in cancer-related research
    LFM-A13
  • HY-13994
    Mps1-IN-2
    		Inhibitor 98.08%
    Mps1-IN-2 is a potent, selective and ATP-competitive dual Mps1/Plk1 inhibitor, with an IC50 and a Kd of 145 nM and 12 nM for Mps1 and a Kd of 61 nM for Plk1.
    Mps1-IN-2
  • HY-134775
    PLK4-IN-1
    		Inhibitor 99.84%
    PLK4-IN-1 (Example A6) is a PLK4 inhibitor, with an IC50 of ≤ 0.1 μM.
    PLK4-IN-1
  • HY-15159
    Cyclapolin 9
    		Inhibitor 98.09%
    Cyclapolin 9 is a potent, selective and ATP-competitive polo-like kinase 1 (PLK1) inhibitor with an IC50 of 500 nM. Cyclapolin 9 is inactive against other kinases.
    Cyclapolin 9
  • HY-N8692
    Dihydrobaicalein
    		Inhibitor 99.94%
    Dihydrobaicalein is a PLK1 Inhibitor with an IC50 of 6.3 μM. Dihydrobaicalein also inhibits VRK2 and PLK2. Dihydrobaicalein is a natural product that can be isolated from Scutellaria scandens.
    Dihydrobaicalein
  • HY-160558
    PLK1/BRD4-IN-3
    		Inhibitor 98.55%
    PLK1/BRD4-IN-3 (Compound 21) is a selective dual inhibitor for bromodomain 4 (BRD4) and polo-like kinase 1 (PLK1). PLK1/BRD4-IN-3 inhibits BRD4-BD1, PLK1 and BRDT-BD1, with IC50s of 0.059, 0.127 and 0.245 μM, respectively.
    PLK1/BRD4-IN-3
  • HY-117291A
    XMD-17-51 TFA
    		99.46%
    XMD-17-51 TFA is a pyrimido-diazepinone compound that is able to modulate protein kinases.
    XMD-17-51 TFA
  • HY-RS10711
    PLK1 Human Pre-designed siRNA Set A
    		Inhibitor

    PLK1 Human Pre-designed siRNA Set A contains three designed siRNAs for PLK1 gene (Human), as well as a negative control, a positive control, and a FAM-labeled negative control.
    PLK1 Human Pre-designed siRNA Set A
  • HY-15160B
    TAK-960 dihydrochloride
    		Inhibitor 99.19%
    TAK-960 dihydrochloride is an orally available, selective inhibitor of polo-like kinase 1 (PLK1), with an IC50 of 0.8 nM. TAK-960 dihydrochloride also shows inhibitory activities against PLK2 and PLK3, with IC50s of 16.9 and 50.2 nM, respectively. TAK-960 dihydrochloride inhibits proliferation of multiple cancer cell lines and exhibits significant efficacy against multiple tumor xenografts.
    TAK-960 dihydrochloride
  • HY-169579
    PLK1-IN-11
    		Inhibitor 99.52%
    PLK1-IN-11 (Cluster 4, 16953209) is a PLK1 inhibitor, with IC50 of 1 μM. PLK1-IN-11 can be used in research on a variety of cancers, including pancreatic, ovarian, breast, and non-small cell lung carcinoma.
    PLK1-IN-11
  • HY-124761
    Poloppin
    		Inhibitor 99.40%
    Poloppin is a potent, cell penetrant inhibitor of the mitotic Polo-like kinase (PLK) (IC50=26.9 μM) and prevents the protein-protein interaction via the Polo-box domain (PBD) (Kd= 29.5 μM). Poloppin selectively kills cells expressing mutant KRAS, enhancing death in mitosis. Poloppin is used for the study of KRAS-mutant cancers as single agents, or in combination with c-MET inhibitors.
    Poloppin
  • HY-77195
    Poloxime
    		Inhibitor
    Poloxime, a hydrolysis product of poloxin, is a non-ATP-competitive Plk1 inhibitor, with moderate Plk1 inhibitory activity.
    Poloxime
  • HY-180989
    PROTAC PLK1 Degrader-2
    		Degrader 99.48%
    PROTAC PLK1 Degrader-2 (Compound NC1) is a PLK1 PROTAC degrader with an Kd of 6.06 μM. PROTAC PLK1 Degrader-2 significantly inhibits the proliferation of HeLa cells, induces cell cycle arrest and apoptosis. PROTAC PLK1 Degrader-2 exhibits significant anti-tumor activity in a HeLa cell xenograft tumor mouse model. PROTAC PLK1 Degrader-2 can be used for the study of cervical cancer.
    PROTAC PLK1 Degrader-2
  • HY-149912
    CZS-241
    		Inhibitor
    CZS-241 is an orally active and selective inhibitor of Polo-like Kinase (PLK) 4 (IC50=2.6 nM). CZS-241 inhibits TRKA with an IC50 value of 2.74 μM. CZS-241 induces apoptosis and arrests cell cycle at S/G2 phase. CZS-241 shows highly potent antiproliferative activity against leukemia cell lines, and exhibits safety against normal cell lines.
    CZS-241
  • HY-149912A
    CZS-241 hydrochloride
    		Inhibitor 98.76%
    CZS-241 hydrochloride is an orally active and selective inhibitor of Polo-like Kinase 4 (PLK4) (IC50=2.6 nM). CZS-241 hydrochloride inhibits TRKA with an IC50 value of 2.74 μM. CZS-241 hydrochloride induces apoptosis and arrests cell cycle at S/G2 phase. CZS-241 hydrochloride shows highly potent antiproliferative activity against leukemia cell lines, and exhibits safety against normal cell lines.
    CZS-241 hydrochloride
  • HY-15158A
    SBE13
    		Inhibitor
    SBE13 is a potent and selective Plk1 inhibitor, with an IC50 of 200 pM; SBE13 poorly inhibits Plk2 (IC50>66 μM) or Plk3 (IC50=875 nM).
    SBE13
  • HY-18651
    (E/Z)-Rigosertib sodium
    Rigosertib (ON-01910) is a biochemical reagent that can be used as a biological material or organic compound for life science related research.
    (E/Z)-Rigosertib sodium
  • HY-173212
    PLK1-IN-13
    		Inhibitor
    PLK1-IN-13 is a selective and orally active PLK1 inhibitor (IC50: 0.27 nM). PLK1-IN-13 also inhibits PLK2 (IC50: 12.72 nM) and PLK3 (IC50: 4.12 nM). PLK1-IN-13 arrests cell at G2 phase, induces apoptosis and down-regulates the transcription of the proliferation-related oncogene c-MYC. PLK1-IN-13 inhibits tumor growth, and can be used for research of acute myeloid leukemia (AML).
    PLK1-IN-13
  • HY-172880
    PLK1-IN-15
    		Inhibitor
    PLK1-IN-15 (Compound 7n) is a PLK1 inhibitor (IC50: 38.5 nM). PLK1-IN-15 exhibits antiproliferative activity against HepG2, Huh7, H1299 and A549 cells (IC50: 2.03, 2.08, 4.79 and 17.11 μM, respectively). PLK1-IN-15 induces cell cycle arrest at the G2/M phase and apoptosis, and has anticancer activity.
    PLK1-IN-15
Cat. No. Product Name / Synonyms Species Source
Cat. No. Product Name / Synonyms Application Reactivity
Polo-like Kinase (PLK) Isoform Comparison

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