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-12300B
    Ocifisertib fumarate
    		Inhibitor 99.27%
    CFI-400945 fumarate is a potent, selective and orally bioavailable PLK4 inhibitor with a Ki and an IC50 of 0.26 nM and 2.8 nM, respectively.
    Ocifisertib fumarate
  • HY-15155
    MLN0905
    		Inhibitor 99.94%
    MLN0905 is a potent, orally active Polo-like kinase 1 (PLK1) inhibitor. MLN0905 has inhibitory potency against PLK1 with an IC50 value of 2 nM. MLN0905 can be used for the research of cancer.
    MLN0905
  • HY-15161
    Ro3280
    		Inhibitor 99.46%
    Ro3280 is a potent, highly selective inhibitor of PLK1 with an IC50 and a Kd of 3 nM and 0.09 nM, respectively, and nearly has no effect on PLK2 and PLK3.
    Ro3280
  • HY-12134
    Poloxin
    		Inhibitor 98.05%
    Poloxin is a non-ATP competitive Polo-like Kinase 1 (PLK1) inhibitor that targets the polo-box domain, with an IC50 of appr 4.8 μM.
    Poloxin
  • HY-N0885
    Telocinobufagin
    		Inhibitor 99.93%
    Telocinobufagin (Telobufotoxin; Telocinobufogenin) is an orally active bufadienolide with potential anti-tumor effects. Telocinobufagin exerts its anti-cancer effects on non-small cell carcinoma, osteosarcoma, thyroid cancer, breast cancer and head and neck squamous cell carcinoma by inhibiting the STAT3, JAK2/STAT3, LARP1-mTOR, PI3K/Akt/Snail and PLK1 pathways, and can also induce tumor cell apoptosis. Telocinobufagin enhances the Th1 immune response and protects against Salmonella typhimurium infection. Telocinobufagin has a strong cardiac-stimulating effect by inhibiting the activity of Na+/K+-ATPase, and it can promote renal fibrosis. Telocinobufagin demonstrates non-opioid analgesic effects in various acute pain models.
    Telocinobufagin
  • HY-18009
    (Z)-LFM-A13
    		Inhibitor 99.80%
    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 shows no effects on JAK1 and JAK3, Src family kinase HCK, EGFR and IRK.
    (Z)-LFM-A13
  • HY-15158
    SBE13 Hydrochloride
    		Inhibitor 98.56%
    SBE13 Hydrochloride is a potent and selective Plk1 inhibitor, with an IC50 of 200 pM; SBE13 Hydrochloride poorly inhibits Plk2 (IC50>66 μM) or Plk3 (IC50=875 nM).
    SBE13 Hydrochloride
  • HY-147298
    Plogosertib
    		Inhibitor 98.59%
    Plogosertib (CYC140) is a selective, potent, and orally active ATP-competitive PLK1 inhibitor (IC50: 3 nM). Plogosertib is an anti-cancer agent with anti-proliferative activity. Plogosertib can be used in the research of several tumors, including esophageal, gastric, leukemia, non–small cell lung cancer, ovarian, and squamous cell cancers.
    Plogosertib
  • HY-75578
    dTAG Targeting Ligand 1
    		Inhibitor 98.0%
    dTAG Targeting Ligand 1 (SUBSTITUTE SHEET 245) is a PROTAC target protein ligand (Ligand for Target Protein for PROTAC). dTAG Targeting Ligand 1 can be used for synthesis PROTACs.
    dTAG Targeting Ligand 1
  • HY-123467
    Lasiokaurin
    		Inhibitor 99.68%
    Lasiokaurin is a diterpenoid compound isolated from Isodon lasiocarpus.
    Lasiokaurin
  • HY-128493
    PLK4-IN-4
    		Inhibitor 99.89%
    PLK4-IN-4 (compound 22) is a potent PLK4 inhibitor with an IC50 value of 7.9 nM. PLK4-IN-4 has the potential for the research of cancer.
    PLK4-IN-4
  • HY-159493
    BI2536-PEG2-Halo
    		Inhibitor 99.44%
    BI2536-PEG2-Halo is a bifunctional molecule containing a ligand for Halo tag and a Polo-like kinase 1 (PLK1) inhibitor BI-2536 (HY-50698). BI2536-PEG2-Halo inhibits the proliferation of 293T cells with Halo-p53R273H(FL)-mCherry tag (IC50=23 nM), exhibits selective toxicity against p53 mutant cancer cells.
    BI2536-PEG2-Halo
  • HY-158031
    PLK1/BRD4-IN-5
    		Inhibitor 99.55%
    PLK1/BRD4-IN-5 (Compound SC10) is an orally active PLK1 and BRD4 inhibitor with IC50 values of 0.3  nM and 60.8  nM, respectively. PLK1/BRD4-IN-5 can induce MV4-11 cell block in S phase and apoptosis) in a dose-dependent manner. PLK1/BRD4-IN-5 can be used in cancer research.
    PLK1/BRD4-IN-5
  • HY-13647
    HMN-176
    		Inhibitor 98.84%
    HMN-176 is a stilbene derivative which inhibits mitosis, interfering with polo-like kinase-1 (plk1), without significant effect on tubulin polymerization.
    HMN-176
  • HY-151971
    Aurora kinase-IN-3
    		Inhibitor 98.47%
    Aurora kinase-IN-3 (Compound 15a) is an orally active AURKB inhibitor that elicits an AURKB-suppressive activity by disrupting the mitotic localization of AURKB, rather than inhibiting its phosphorylation of H3 at Ser10.
    Aurora kinase-IN-3
  • 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-172737
    RP-1664
    		Inhibitor 98.77%
    RP-1664 is a selective and orally active PLK4 inhibitor with an IC50 of 3 nM. RP-1664 demonstrates exquisite selectivity over related kinases, including AURKA/B and PLK1. RP-1664 disrupts centriole biogenesis in cancer cells and leads an accumulation of PLK4 and p21 protein. RP-1664 demonstrates increased sensitivity in TRIM37-high-expressing cells or tumors. RP-1664 exhibits anti-tumor activity in breast cancer and neuroblastoma research[1][2].
    RP-1664
  • 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-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-149324
    SP27
    		Degrader 99.21%
    SP27 is a PROTAC that can selective degrades PLK4, with a DC50 of 19.5 nM. SP27 can be used for the research of breast cancer.
    SP27
Cat. No. Product Name / Synonyms Species Source
Cat. No. Product Name / Synonyms Application Reactivity
Polo-like Kinase (PLK) Isoform Comparison

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