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Overview
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IkappaB-alpha is a protein encoded by the NFKBIA gene which is approximately 35, 6 kDa. IkappaB-alpha is localised to the cytoplasm and nucleus. It is involved in activated TLR4 signalling, the TNFR1 pathway, the 4-1BB pathway and toll-like receptor signalling pathways. This protein falls under the NF-kappa-B inhibitor family. Inhibits the activity of dimeric NF-kappa-B/REL complexes by trapping REL dimers in the cytoplasm through masking of their nuclear localization signals, this process is involved in inflammatory responses. IkappaB-alpha is induced in adherent monocytes. Mutations in the NFKBIA gene may result in ectodermal dysplasia with T-cell immunodeficiency. STJ90912 was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen. This primary antibody specifically binds to endogenous IkappaB-alpha protein which only binds about Y305 when Y305 is phosphorylated.
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Overview