2. Signaling Pathways
  3. NF-κB
  4. IKK
  5. IKK-β Isoform

IKK-β

IKK-β (IKBKB) is a catalytic subunit of the IκB kinase (IKK) complex and functions as a central signal integration node that regulates canonical NF-κB signaling, inflammatory responses, cell survival, and immune activation[1]. Mechanistically, activated IKK-β phosphorylates inhibitory IκB proteins, promoting their ubiquitin-dependent degradation and releasing NF-κB transcription factors for nuclear translocation and target gene expression[2]. Through this pathway, IKK-β links extracellular inflammatory stimuli to transcriptional programs that control cytokine production, stress responses, and cellular adaptation[1][3]. In disease contexts, dysregulated IKK-β/NF-κB signaling has been associated with chronic inflammation, cancer, metabolic disorders, cardiovascular disease, and pathogen-driven pathology, making the kinase a widely studied experimental target[1][3]. Compared with the related catalytic isoform IKK-α (CHUK), IKK-β is the predominant kinase mediating canonical NF-κB activation in a NEMO-dependent manner, whereas IKK family members also participate in additional signaling networks beyond classical NF-κB regulation[4]. This functional distinction is important for mechanistic studies aimed at dissecting pathway-specific signaling outputs and inflammatory phenotypes[4]. For experimental applications, pharmacological or genetic inhibition of IKK-β is commonly used to suppress NF-κB activation and evaluate the contribution of inflammatory signaling to disease models, while the expanding spectrum of IKK substrates continues to inform the interpretation of inhibitor-based studies[3][4].

IKK-β Related Products (57):

Cat. No. Product Name Effect Purity
  • HY-16561
    Resveratrol
    		Inhibitor 99.95%
    Resveratrol (trans-Resveratrol; SRT501) is a CNS-penetrant natural polyphenolic phytoalexin that possesses anti-oxidant, anti-inflammatory, cardioprotective, and anti-cancer properties. Resveratrol (SRT 501) has a wide spectrum of targets including mTOR, JAK, β-amyloid, Adenylyl cyclase, IKKβ, DNA polymerase. Resveratrol also is a specific SIRT1 activator. Resveratrol is a potent pregnane X receptor (PXR) inhibitor. Resveratrol is an Nrf2 activator, ameliorates aging-related progressive renal injury in mice model. Resveratrol increases production of NO in endothelial cells.
  • HY-10519
    BMS-345541
    		Inhibitor 99.68%
    BMS-345541 is a selective inhibitor of the catalytic subunits of IKK (IKK-2 IC50=0.3 μM, IKK-1 IC50=4 μM). BMS-345541 binds at an allosteric site of IKK.
  • HY-10074
    TPCA-1
    		Inhibitor 99.66%
    TPCA-1 is a potent and selective inhibitor of IKK-2 with IC50 of 17.9 nM. TPCA-1 is an effective inhibitor of STAT3 phosphorylation, DNA binding, and transactivation.
  • HY-N0141
    Parthenolide
    		Degrader 99.91%
    Parthenolide is a sesquiterpene lactone found in the medicinal herb Feverfew. Parthenolide exhibits anti-inflammatory activity by inhibiting NF-κB activation; also inhibits HDAC1 protein without affecting other class I/II HDACs.
  • HY-13687
    IKK 16
    		Inhibitor 99.88%
    IKK 16 is an orally active IKK inhibitor. IKK 16 shows IC50s of 40 nM, 70 nM, 200 nM, and 50 nM for IKK2, IKK complex, IKK1, and LRRK 2, respectively. IKK 16 is also a pan-PKD inhibitor, inhibiting PKD1, PKD2, and PKD3 with IC50s of 153.9, 115, and 99.7 nM, respectively. IKK 16 is also an ABCB1 inhibitor, interfering with the binding of ABCB1 to its substrates. IKK 16 protects against LPS (HY-D1056)-induced multiple organ dysfunction by reducing the acute inflammatory response induced by endotoxin exposure. IKK 16 can restore renal function and alleviate fibrosis in acute kidney injury. IKK 16 attenuates cardiac dysfunction associated with polymicrobial sepsis in mice with type 2 diabetes mellitus (T2DM) by inhibiting the NF-κB pathway.
  • HY-186167
    CDDO-biotin
    		Inhibitor
    CDDO-biotin is an IKKβ inhibitor with cancer cell inhibitory activity. CDDO-biotin directly interacts with and oxidizes Cys-179 in the activation loop of IKKβ, forming an adduct with wild-type IKKβ. CDDO-biotin can be used in the research of myeloid leukemia, osteosarcoma, multiple myeloma, lung cancer, breast cancer and pancreatic cancer.
  • HY-181837
    IKKβ-IN-7
    		Inhibitor
    IKKβ-IN-7 is an IKKβ inhibitor with an IC50 value of 9.44 μM. IKKβ-IN-7 induces DNA damage, S-phase cell cycle arrest, ROS accumulation, mitochondrial membrane potential loss, and apoptosis. IKKβ-IN-7 inhibits phosphorylation of p65 and IκBα, suppresses p65 nuclear translocation, and regulates NF-κB-controlled genes. IKKβ-IN-7 suppresses tumor growth in xenograft models and shows activity against colorectal cancer with low normal cell cytotoxicity. IKKβ-IN-7 can be used for the research of colorectal cancer.
  • HY-182558
    Nandinine
    		Inhibitor
    Nandinine is an orally active derivative of Berberine (HY-N0716). Nandinine enhances AMPK activity, inhibits the activation of IKKβ/NF-κB, and regulates the phosphorylation of IRS-1. Nandinine reverses the abnormal production of adipokines, promotes insulin-mediated glucose uptake, and alleviates insulin resistance. Nandinine improves glucose tolerance and increases the insulin sensitivity index in mice. Nandinine can be used in studies related to insulin resistance.
  • HY-10172
    IMD-0354
    		Inhibitor 99.26%
    IMD-0354 (IKK2 Inhibitor V) is a selective IKKβ inhibitor which inhibits NF-κB activity. IMD0354 inhibits TNF-α induced NF-κB transcription activity with an IC50 of 1.2 uM.
  • HY-W145521
    β-1,3-Glucan
    		Activator 98.18%
    β-1,3-Glucan (β Glucan) is an orally active polysaccharide composed of glucose polymers. β-1,3-Glucan increase the activity of IKKβ kinase, enhances the production of nitric oxide. β-1,3-Glucan improves resistance to Vibrio harveyi infection. β-1,3-Glucan enhances immune response, promotes blood pressure recovery, reduces lung, kidney and liver damage, inhibits the growth of syngeneic tumors.
  • HY-10518
    BMS-345541 hydrochloride
    		Inhibitor 99.94%
    BMS-345541 hydrochloride is a selective inhibitor of the catalytic subunits of IKK (IKK-2 IC50=0.3 μM, IKK-1 IC50=4 μM). BMS-345541 binds at an allosteric site of IKK.
  • HY-16561R
    Resveratrol (Standard)
    		Inhibitor
    Resveratrol (Standard) is the analytical standard of Resveratrol. This product is intended for research and analytical applications. Resveratrol (trans-Resveratrol; SRT501), a natural polyphenolic phytoalexin that possesses anti-oxidant, anti-inflammatory, cardioprotective, and anti-cancer properties. Resveratrol (SRT 501) has a wide spectrum of targets including mTOR, JAK, β-amyloid, Adenylyl cyclase, IKKβ, DNA polymerase. Resveratrol also is a specific SIRT1 activator. Resveratrol is a potent pregnane X receptor (PXR) inhibitor. Resveratrol is an Nrf2 activator, ameliorates aging-related progressive renal injury in mice model. Resveratrol increases production of NO in endothelial cells.
  • HY-15473
    MLN120B
    		Inhibitor 99.76%
    MLN120B (ML120B) is a potent, ATP competitive, and orally active inhibitor of IKKβ with an IC50 of 60 nM. MLN120B inhibits multiple myeloma cell growth in vitro and in vivo and also can be used for the research of rheumatoid arthritis.
  • HY-13802
    SC-514
    		Inhibitor 99.97%
    SC-514 is a selective IKK-2 inhibitor (IC50=11.2 μM), which does not inhibit other IKK isoforms or other serine-threonine and tyrosine kinases.
  • HY-N5063
    Plantainoside D
    		Inhibitor 99.15%
    Plantainoside D, a phenylethanoid glycosides, is a IKK-β inhibitor with diverse biological activities. Plantainoside D shows inhibitory activity of angiotensin-converting enzyme (ACE) with an IC50 of 2.17 mM. Plantainoside D significantly reduces the release of glutamate from nerve terminals in the cerebral cortex of rats by inhibiting the voltage-dependent calcium channel (VDCCs) and protein kinase C (PKC) signaling cascade. Plantainoside D significantly alleviates cell apoptosis by inhibiting the generation of ROS and the activation of NF-κB. Plantainoside D significantly improves acute lung injury (ALI) induced by sepsis by regulating the Sirt3/NLRP3 signaling pathway. Plantainoside D can be used for the study of neuroprotection, antioxidant, anti-inflammation, antihypertension.
  • HY-13060
    ACHP Hydrochloride
    		Inhibitor 99.94%
    ACHP Hydrochloride (IKK-2 Inhibitor VIII) is a highly potent and selective IKK-β inhibitor with an IC50 of 8.5 nM.
  • HY-13019
    BI605906
    		Inhibitor 99.67%
    BI605906, a chemical probe, is a novel IKKβ inhibitor with an IC50 value of 380 nM when assayed at 0.1 mM ATP.
  • HY-13687A
    IKK 16 hydrochloride
    		Inhibitor 99.95%
    IKK 16 hydrochloride is an orally active IKK inhibitor. IKK 16 hydrochloride shows IC50s of 40 nM, 70 nM, 200 nM, and 50 nM for IKK2, IKK complex, IKK1, and LRRK 2, respectively. IKK 16 hydrochloride is also a pan-PKD inhibitor, inhibiting PKD1, PKD2, and PKD3 with IC50s of 153.9, 115, and 99.7 nM, respectively. IKK 16 hydrochloride is also an ABCB1 inhibitor, interfering with the binding of ABCB1 to its substrates. IKK 16 hydrochloride protects against LPS (HY-D1056)-induced multiple organ dysfunction by reducing the acute inflammatory response induced by endotoxin exposure. IKK 16 hydrochloride can restore renal function and alleviate fibrosis in acute kidney injury. IKK 16 hydrochloride attenuates cardiac dysfunction associated with polymicrobial sepsis in mice with type 2 diabetes mellitus (T2DM) by inhibiting the NF-κB pathway.
  • HY-122881
    HOIPIN-1
    		Inhibitor 99.57%
    HOIPIN-1 (JTP-0819958) is a selective linear ubiquitin chain assembly complex (LUBAC) inhibitor with an IC50 of 2.8 μM. HOIPIN-1 suppress LUBAC-mediated NF-kB activation in vitro.
  • HY-50948
    Bay 65-1942 hydrochloride
    		Inhibitor 99.39%
    Bay 65-1942 hydrochloride is an ATP-competitive and selective IKKβ inhibitor.
Cat. No. Product Name / Synonyms Application Reactivity