2. Signaling Pathways
  3. MAPK/ERK Pathway
  4. Ribosomal S6 Kinase (RSK)

Ribosomal S6 Kinase (RSK)

S6K

Ribosomal S6 Kinase (RSK)

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Ribosomal S6 Kinase (RSK) is a family of serine/threonine protein kinases involved in the regulation of cell viability. RSK is phosphorylated in response to mitogens by activation of one or more protein kinase cascades. Phosphorylation of S6 in vivo is catalyzed by (at least) two distinct mitogen-activated S6 kinase families distinguishable by size, the 70 kDa and 90 kDa S6 kinases. Both S6 kinases are activated by serine/threonine phosphorylation.

The p90 ribosomal s6 kinase family (1-4) is a group of highly conserved Ser/Thr kinases that act as downstream effectors of the Ras/Raf/MEK/ERK signaling pathway. They regulate diverse cellular processes, such as cell growth, cell motility, cell survival and cell proliferation. The p70 ribosomal protein S6 kinase, an important member of AGC family, is a kind of multifunctional Ser/Thr kinases, which plays an important role in mTOR signaling cascade. The p70 ribosomal protein S6 kinase is closely associated with diverse cellular processes such as protein synthesis, mRNA processing, glucose homeostasis, cell growth and apoptosis.

Ribosomal S6 Kinase (RSK) Isoform Specific Products:

Ribosomal S6 Kinase (RSK) Isoform Comparison
Cat. No. Product Name Effect Purity Chemical Structure
  • HY-18507
    AD57
    		Inhibitor 98.27%
    AD57 is an orally active multikinase inhibitor, inhibits RET, BRAF, S6K and Src, with greatly reduces mTOR activity.
    AD57
  • HY-156027
    SIRT6-IN-3
    		Inhibitor 98.19%
    SIRT6-IN-3 (compound 8a) is a selective inhibitor of SIRT6 (IC50=7.49 μM). SIRT6-IN-3 inhibits pancreatic ductal adenocarcinoma (PDAC) cells proliferation and induces apoptosis. SIRT6-IN-3 increases the sensitivity of cancer cells to gemcitabine (HY-17026) via blocking the DNA damage repair pathway. SIRT6-IN-3 is used in pancreatic cancer research.
    SIRT6-IN-3
  • HY-52101C
    FMK-MEA
    		Inhibitor 99.40%
    FMK-MEA is a potent and selective p90 Ribosomal S6 Kinase (RSK) inhibitor.
    FMK-MEA
  • HY-13787
    XL-418
    		Inhibitor 98.09%
    XL-418 is an orally active dual Akt and p70S6K inhibitor with IC50s of 1 nM for Akt1 and 2 nM for p70S6K. XL-418 inhibits the phosphorylation of ribosomal protein S6 and GSK3β. XL-418 can be used for the study of prostate carcinoma and breast cancer.
    XL-418
  • HY-136849
    TL13-68
    		Inhibitor 98.31%
    TL13-68 is a biotin-tagged version of SM1-71, and it can be used to research the mechanism of SM1-71.
    TL13-68
  • HY-112400
    Bisindolylmaleimide V
    		Inhibitor
    Bisindolylmaleimide V is a cell-permeable negative control for protein kinase C inhibition studies with an IC50 value over 100 µM. Bisindolylmaleimide V blocks the activation of mitogen-stimulated protein kinase p70s6k/p85s6k (S6K) in vivo with an IC50 of 8 µM.
    Bisindolylmaleimide V
  • HY-N0418R
    Quercitrin (Standard)
    		Inhibitor
    Quercitrin (Standard) is the analytical standard of Quercitrin. This product is intended for research and analytical applications. Quercitrin (Quercetin 3-rhamnoside) is a bioflavonoid compound with potential anti-inflammation, antioxidative and neuroprotective effect. Quercitrin induces apoptosis of colon cancer cells. Quercitrin can be used for the research of cardiovascular and neurological disease research.
    Quercitrin (Standard)
  • HY-P10042A
    S6K Substrate acetate
    		Substrate 98.19%
    S6K Substrate acetate is a substrate for active protein kinases, including CLK2, MRCKalpha, MRCKbeta, p70S6K, ROCK1, ROCK2, RSK1, RSK3, PIM1.
    S6K Substrate acetate
  • HY-N3628
    Coronarin A
    		Inhibitor ≥98.0%
    Coronarin A is an orally active natural compound that inhibits mTORC1 and S6K1 to increase IRS1 activity. Coronarin A shows anti-inflammatory activity and can also be used for type 2 diabetes mellitus research.
    Coronarin A
  • HY-132891A
    RSK4-IN-1 TFA
    		Inhibitor
    RSK4-IN-1 TFA is a potent RSK4 inhibitor with a IC50 value of 9.5 nM. RSK4-IN-1 TFA has antitumor activity.
    RSK4-IN-1 TFA
  • HY-173406
    RSK-IN-2
    		Inhibitor 99.32%
    RSK-IN-2 (Compound 3e) is a RSK inhibitor, with IC50 s of 37.89 nM (RSK2), 30.78 nM (RSK1), 20.51 nM (RSK3), 91.28 nM (RSK4). RSK-IN-2 inhibits tumor cell proliferation, induces apoptosis and causes cell cycle arrest in the G2/M phase.
    RSK-IN-2
  • HY-P10042
    S6K Substrate
    		Substrate
    S6K Substrate is a substrate for active protein kinases, including CLK2, MRCKalpha, MRCKbeta, p70S6K, ROCK1, ROCK2, RSK1, RSK3, PIM1.
    S6K Substrate
  • HY-175256
    RSK2-IN-5
    		Inhibitor
    RSK2-IN-5 (compoud C24) is a p90 ribosomal S6 kinase 2 (RSK2) inhibitor with a Kd of 317 ​nM. RSK2-IN-5 exhibits antitumor activity against breast cancer and melanoma cancer cells.
    RSK2-IN-5
  • HY-12493
    LY-2584702 free base
    		Inhibitor 99.56%
    LY-2584702 free base is a selective ATP competitive inhibitor of p70S6K with an IC50 of 4 nM. In S6K1 enzyme assay, the IC50 of LY-2584702 is 2 nM.
    LY-2584702 free base
  • HY-132302A
    Hu7691 free base
    		Inhibitor
    Hu7691 free base is an orally active, selective Akt inhibitor with IC50s of 4.0 nM, 97.5 nM, 28 nM for Akt1, Akt2 and Akt3, respectively. Hu7691 free base inhibits tumor growth and enables decrease of cutaneous toxicity in mice.
    Hu7691 free base
  • HY-N0643R
    Carnosol (Standard)
    		Inhibitor
    Carnosol (Standard) is the analytical standard of Carnosol. This product is intended for research and analytical applications. Carnosol is a potent Ribosomal S6 Kinase (RSK2) inhibitor that could be useful for treating gastric cancer, with an IC50 of ~5.5 μM. Carnosol, a Nrf2 activator, increases the nuclear levels of Nrf2 and can promote the expression of heme oxygenase 1 (HMOX1).
    Carnosol (Standard)
  • HY-101029A
    MBM-55S
    		Inhibitor
    MBM-55S is a potent NIMA-related kinase 2 (Nek2) inhibitor with an IC50 of 1 nM. MBM-55S shows a 20-fold or greater selectivity in most kinases with the exception of RSK1 (IC50=5.4 nM) and DYRK1a (IC50=6.5 nM). MBM-55S effectively inhibits the proliferation of cancer cells by inducing cell cycle arrest and apoptosis. MBM-55S shows antitumor activities, and no obvious toxicity to mice.
    MBM-55S
  • HY-177347
    RSK2-IN-6
    		Inhibitor
    RSK2-IN-5 (compoud C2) is a p90 ribosomal S6 kinase 2 (RSK2) inhibitor with a Kd of 856 ​nM. RSK2-IN-5 exhibits antitumor activity against breast cancer and melanoma cancer cells.
    RSK2-IN-6
  • HY-P5449
    p70 S6 Kinase substrate
    p70 S6 Kinase substrate is a biological active peptide. (This peptide is a substrate for p70 ribosomal S6 kinase.)
    p70 S6 Kinase substrate
  • HY-125911R
    Gossypin (Standard)
    		Inhibitor
    Gossypin (Standard) is the analytical standard of Gossypin. This product is intended for research and analytical applications. Gossypin is an orally active flavone isolated from Hibiscus vitifolius. Gossypin has antioxidant, antiinflammatory, anticancer, anticataract, antidiabetic, and hepatoprotective activities. Gossypin inhibits NF-κB and NF-κB-regulated gene expression. Gossypin inhibits AURKA and RSK2. Gossypin inhibits invasion and induces apoptosis. Gossypin can be used for gastric cancer study.
    Gossypin (Standard)
Cat. No. Product Name / Synonyms Application Reactivity
Ribosomal S6 Kinase (RSK) Isoform Comparison

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