anti-NFκB p105/50, mAb (13A2F)

CHF 315.00
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YIF-LF-MA0236100 µlCHF 315.00
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Product Details
Synonyms NFKB1; p105; p50
Product Type Monoclonal Antibody
Clone 13A2F
Isotype Mouse IgG2b κ
Immunogen/Antigen Recombinant human NFκB (p50) protein purified from E. coli.

Western Blot (1:2,000)

Crossreactivity Human
Purity Detail Ammonium sulfate precipitation.
Formulation Liquid. HEPES with 0.15M NaCl, 0.01% BSA, 0.03% sodium azide, and 50% glycerol.
Isotype Negative Control

Mouse IgG2b Isotype Control

Other Product Data

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Our product description may differ slightly from the original manufacturers product datasheet.

Declaration Manufactured by AbFrontier
Shipping and Handling
Shipping BLUE ICE
Short Term Storage +4°C
Long Term Storage -20°C
Use/Stability Stable for at least 1 year after receipt when stored at -20°C.
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Product Specification Sheet
Datasheet Download PDF

NF-κB (Nuclear Factor κ B) is a nuclear transcription factor found in all cell types and is involved in cellular responses to stimuli such as stress, cytokines, free radicals, ultraviolet irradiation, and bacterial or viral antigens. NF-κB plays a key role in regulating the immune response to infection. Consistent with this role, incorrect regulation of NF-κB has been linked to cancer, inflammatory and autoimmune diseases, septic shock, viral infection and improper immune development. There are five members in the NF-κB family: NF-κB1, NF-κB2, RelA (also named p65), RelB, and c-Rel. The most common form of NF-κB is the p50/RelA heterodimer, although other forms of NF-κB dimers, such as p50/p50, p52/p52, p52/RelA, p50/c-Rel, c-Rel/c-Rel, p52/RelB, and p50/RelB, have also been identified in some types of cells. The primary role of NF-κB is to maintain normal cellular functions that range from cell-to-cell communication to cell motility, cell cycle progression, and cell lineage development. The activity of NF-κB is tightly regulated by interaction with inhibitory IκB proteins. NF-κ-B is a pleiotropic transcription factor which is present in almost all cell types and is involved in many biological processed such as inflammation, immunity, differentiation, cell growth, tumorigenesis and apoptosis. NF-κ-B is a homo- or heterodimeric complex formed by the Rel-like domain-containing proteins RELA/p65, RELB, NFKB1/p105, NFKB1/p50, REL and NFKB2/p52 and the heterodimeric p65-p50 complex appears to be most abundant one. The dimers bind at κ-B sites in the DNA of their target genes and the individual dimers have distinct preferences for different κ-B sites that they can bind with distinguishable affinity and specificity. Different dimer combinations act as transcriptional activators or repressors, respectively. NF-κ-B is controlled by various mechanisms of post-translational modification and subcellular compartmentalization as well as by interactions with other cofactors or corepressors. NF-κ-B complexes are held in the cytoplasm in an inactive state complexed with members of the NF-κ-B inhibitor (I-κ-B) family. In a conventional activation pathway, I-κ-B is phosphorylated by I-κ-B kinases (IKKs) in response to different activators, subsequently degraded thus liberating the active NF-κ-B complex which translocates to the nucleus. NF-κ-B heterodimeric p65-p50 and RelB-p50 complexes are transcriptional activators. The NF-κ-B p50-p50 homodimer is a transcriptional repressor, but can act as a transcriptional activator when associated with BCL3. NFKB1 appears to have dual functions such as cytoplasmic retention of attached NF-κ-B proteins by p105 and generation of p50 by a cotranslational processing. The proteasome-mediated process ensures the production of both p50 and p105 and preserves their independent function, although processing of NFKB1/p105 also appears to occur post-translationally. p50 binds to the κ-B consensus sequence 5'-GGRNNYYCC-3', located in the enhancer region of genes involved in immune response and acute phase reactions. In a complex with MAP3K8, NFKB1/p105 represses MAP3K8-induced MAPK signaling; active MAP3K8 is released by proteasome-dependent degradation of NFKB1/p105.

Product References

1) Campbell KJ, Perkins ND. Cell Cycle. 2004; vol.3(7): p.869-72. (General)
2) Perkins ND. Trends Cell Biol. 2004; vol.14(2): p.64-9. (General)
3) Zanetti M, et al, Ann N Y Acad Sci. 2003; vol.987: p.249-57. (General)

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