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You are here:Home » Molecular Biology » MB-Protein Kinase Inhibitors » IkB alpha, Activated, Recombinant, Human, 6-His-Tag (NF-kappa-B Inhibitor alpha, I-kappa-B-alpha, IkB-alpha, IkappaBalpha, Major Histocompatibility Complex Enhancer-binding Protein MAD3, NFKBIA, IKBA, MAD3, NFKBI)

IkB alpha, Activated, Recombinant, Human, 6-His-Tag (NF-kappa-B Inhibitor alpha,
I-kappa-B-alpha, IkB-alpha, IkappaBalpha, Major Histocompatibility Complex
Enhancer-binding Protein MAD3, NFKBIA, IKBA, MAD3, NFKBI)

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Specifications

Ikba is a cellular protein that inhibits the transcription factor NF-kB. NF-kB plays a central role in cellular stress and inflammatory responses by controlling cytokine-inducible gene expression and lymphocyte stimulation by antigens. In non-stimulated cells NF-kB is sequestered in the cytoplasm via the inhibitory protein Ikba, which obscures the nuclear localization signal of NF-kB and also blocks its ability to bind DNA. In response to various stimuli, including viral infection, ultraviolet radiation and inflammatory cytokines, Ikba is phosphorylated by the protein kinase complex IKK, which triggers its rapid degradation by ubiquitin mediated proteolysis. The liberated NF-kB then translocates to the nucleus and activates the expression of target genes. Mutations in the gene for Ikba result in the functional impairment of NF-kB which causes a decreased production of proinflammatory cytokines and certain interferons, rendering patients susceptible to infection.
Catalog #029513
SourceRecombinant corresponding to full length human IkBa, fused to 6His-tag at N-terminal c-Myc, expressed by baculovirus in Sf21 insect cells.
Molecular Weight~41kD
Storage and StabilityAliquot to avoid repeated freezing and thawing and store at -70°C. Aliquots are stable for 6 months. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.
Molecular Weight~41kD
SourceSf21
Purity~62% (SDS-PAGE, Coomassie blue staining)
Concentration~0.1mg/ml
FormSupplied as a liquid in 25mM MOPS pH7.5, 5mM MgCl2, 0.01% Tween 20, 1mM ATP.
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.


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