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You are here:Home-Inhibitors & Agonists-NF-κB Pathway-IκB kinase (IKK)

Request The Product List ofIκB kinase (IKK) IκB kinase (IKK)

IKK (IkB kinase) is an enzyme complex that is involved in propagating the cellular response to inflammation. An IκB kinase is an enzyme that catalyzes the chemical reaction: ATP + IκB protein ADP + IκB phosphoprotein. The IκB kinase enzyme complex is part of the upstream NF-kB signal transduction cascade. The IκBα (inhibitor of kappa B) protein inactivates the NF-κB transcription factor by masking the nuclear localization signals of NF-κB proteins and keeping them sequestered in an inactive state in the cytoplasm. IKK specifically, phosphorylates the inhibitory IκBα protein. This phosphorylation results in the dissociation of IκBα from NF-κB. NF-κB, which is free migrates into the nucleus and activates the expression of at least 150 genes; some of which are anti-apoptotic. IKK belongs to the family of transferases, specifically those transferring a phosphate group to the sidechain oxygen atom of serine or threonine residues in proteins.

Cat. No. Product Name CAS No. Information
H5612

WS-6

1421227-53-3

A small molecule that can induce proliferation of β cells with EC50 of 0.28 uM; promotes β cell growth in vivo, increasing β cell mass and normalizing blood glucose in the RIP-DTA mouse model of β cell ablation; acts by inhibiting IKKε and blocking the ability of EBP1 to suppress E2F-medtiated transcription; also stimulates α cell proliferation in human pancreatic islets.

H5611

WS-3

1421227-52-2

A small molecule that can induce proliferation of β cells with EC50 of 74 nM; modulates the activity of Erb3 binding protein-1 and the IκB kinase pathway; can reversibly proliferates primary RPE cells isolated from fetal and adult human donors.

H5610

TPCA-1

507475-17-4

A potent, selective and orally bioavailable IKK-2 inhibitor with IC50 of 63 nM, TNF cell IC50 of 0.4 uM; displays >100-fold selectivity over IKK-1.

H5609

TBK1-IN-1

1292310-49-6

TBK1-IN-1 is a potent, ATP-competitive TBK1 inhibitor, dose-dependently inhibits pIRF3(S386) in Panc 05.04 cells with IC50 of 1.8 nM; inhibits IRF3 nuclear translocation with IC50 of 95 nM, but does not significantly inhibits cell proliferation in some NSCLC, pancreatic, and colorectal cell lines.

H5608

TBK1-IKKε inhibitor II

1381930-17-1

TBK1-IKKε inhibitor II is a potent, selective dual inhibitor of TBK1/IKKε with IC50 of 13 nM/59 nM, respectively; displays 100- to 1000-fold less activity against other tested protein kinases including PDK1, PI3K family members and mTOR; inhibits LPS-induced expression of IFNβ (IC50=62 nM), and the IFNβ target genes IP10 (IC50=78 nM) and Mx1 (IC50=20 nM); effectively blocks TLR3-dependent IRF3 nuclear translocation in cells with IC50

H5607

SU-909

2126749-48-0

SU-909 (SU909, IKKα-IN-48) is a potent, selective IKKα inhibitor with Ki of 0.08±0.07 uM, 10-20-fold selectivity over IKKβ (IC50=1.0±0.28 uM); inhibits FCS-stimulated phosphorylation of p100 in U2OS cells with IC50 of 8.8 uM, inhibits the noncanonical NF-kB pathway without affecting IKKβ-dependent IKappa-Bα loss in the canonical pathway.

H5606

PS-1145

431898-65-6

A specific IκB kinase (IKK) inhibitor with IC50 of 88 nM; shows no activity for JNK2, c-Src, p38α, IRAK, Lck, etc.; blocks TNFα-induced NF-κB activation in MM cells through inhibition of IκBα phosphorylation and degradation of IκBα, respectively; blocks the protective effect of IL-6 against Dex-induced apotosis, inhibits both IL-6 secretion from BMSCs triggered by MM cell adhesion and proliferation of MM cells adherent to BMSCs.

H5605

PIAA

851814-28-3

PIAA is a TBK1/IKKε inhibitor with IC50 of 0.40/1.07 uM, selectively accelerates proliferation of β-cells; downregulates polyinosine:polycytidylic acid (poly I:C)-stimulated phosphorylation of interferon responsive factor-3 (IRF3), a substrate of TBK1/IKKε; augments β-cell-specific proliferation by increasing cAMP levels and mTOR activity via PDE3, improves glucose control and β-cell mass in the STZ-induced diabetic mouse model.

H5604

PHA-408

503555-55-3

A novel potent, highly selective, ATP-competitive IKK-2 inhibitor with IC50 of 40 nM, 350-fold selectivity over IKK-1; inhibits LPS-induces TNF-α producton in PBMCs and HWB with IC50 of 20-30 nM, prevents IL-1β-induced IκBα phosphorylation in RASFs while sparing the JNK and p38 MAPK pathways and has no effect on IKK-2 phosphorylation; demonstrates target-specific anti-inflammatory activities in in vivo model of airway inflammation.

H5603

iNUB

352336-00-6

A small molecule inhibitor of NEMO (IKKγ)-ubiquitin binding with EC50 of 9.3 uM, directly binds to NEMO with Kd of 2.14 uM; binds to NEMO UBAN (ubiquitin binding domain (UBAN)) and competes for interaction with methionine-1-linked linear ubiquitin chains; inhibits UBAN-dependent NF-κB activation upon TNFα and TCR/CD28 stimulation, shows selective toxicity to IKK/NF-κB dependent ABC-DLBCL

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