IKK alpha/beta is encoded by CHUK (conserved helix-loop-helix ubiquitous kinase) and IKKB (inhibitor of kappa light polypeptide gene enhancer in B-cells) gene located in chromosome 10 and 8 respectively in humans. Upon stimulation by agents that activate the NF-kB pathway such as TNF alpha, the two subunits of IKK complex, IKK alpha and IKK -beta alongside a regulator NEMO (IKK gamma) phosphorylates IkB proteins. This targets the later for ubiquitin mediated degradation and phosphorylation of NF-kB leading to subsequent translocation to the nucleus. Phosphorylation at serine 176 and 180 located in the activation loop causes a confirmation change that is required for the activation of the kinases.
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Protein Aliases: Conserved helix-loop-helix ubiquitous kinase; EC 126.96.36.199; I kappa B kinase 1; I-kappa-B kinase 1; I-kappa-B kinase 2; I-kappa-B kinase alpha; I-kappa-B kinase-alpha; I-kappa-B-kinase beta; IkappaB kinase; IkappaB kinase alpha; IkB kinase alpha subunit; IKK alpha; IKK-A; IKK-a kinase; IKK-B; IKK-beta; IKK1; IKK2; inhibitor of kappa light polypeptide gene enhancer in B-cells, kinase beta; inhibitor of kappaB kinase beta; inhibitor of nuclear factor kappa B kinase beta subunit; Inhibitor of nuclear factor kappa-B kinase subunit alpha; Inhibitor of nuclear factor kappa-B kinase subunit beta; NFKBIKA; NFKBIKB; Nuclear factor NF-kappa-B inhibitor kinase alpha; Nuclear factor NF-kappa-B inhibitor kinase beta; Nuclear factor NFkappaB inhibitor kinase alpha; TCF-16; TCF17; Transcription factor 16
Gene Aliases: AI132552; AI256658; AIM-1; CHUK; Chuk1; Fbx24; Fbxo24; IKBKA; IKBKB; IKK-2; IKK-alpha; IKK-beta; IKK1; IKK2; IKK[b]; IKKA; IKKB; IKKbeta; IMD15; NFKBIKA; NFKBIKB; TCF16