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>   首页   >   产品   >   一抗   >   精选抗体   >   磷酸化抗体   >   Phospho-CHUK(T23) Antibody   

Phospho-CHUK(T23) Antibody

Affinity Purified Rabbit Polyclonal Antibody (Pab)

     
  • 6 - Phospho-CHUK(T23) Antibody AP3374a
    Dot blot analysis of Phospho-CHUK-T23 Antibody (Cat. #AP3374a) and CHUK Non Phospho-specific Pab on nitrocellulose membrane. 50ng of Phospho-peptide or Non Phospho-peptide per dot were adsorbed. Antibody working concentrations are 0.5ug per ml.
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Product Information
Application
  • Applications Legend:
  • E=ELISA
  • WB=Western Blotting
  • IHC=Immunohistochemistry
  • IHC-P=Immunohistochemistry (Paraffin)
  • IP=Immunoprecipitation
  • IF=Immunofluorescence
  • IC=Immunochemistry
  • ICC=Immunocytochemistry
  • FC=Flow Cytometry
  • DB=Dot Blot
DB, E
Primary Accession O15111
Other Accession Q60680, Q95KV1
Reactivity Human
Predicted Bovine, Mouse
Host Rabbit
Clonality Polyclonal
Isotype Rabbit IgG
Calculated MW 84640 Da
Additional Information
Gene ID 1147
Other Names Inhibitor of nuclear factor kappa-B kinase subunit alpha, I-kappa-B kinase alpha, IKK-A, IKK-alpha, IkBKA, IkappaB kinase, Conserved helix-loop-helix ubiquitous kinase, I-kappa-B kinase 1, IKK1, Nuclear factor NF-kappa-B inhibitor kinase alpha, NFKBIKA, Transcription factor 16, TCF-16, CHUK, IKKA, TCF16
Target/Specificity This CHUK Antibody is generated from rabbits immunized with a KLH conjugated synthetic phosphopeptide corresponding to amino acid residues surrounding T23 of human CHUK.
Dilution DB~~1:500
Format Purified polyclonal antibody supplied in PBS with 0.09% (W/V) sodium azide. This antibody is purified through a protein A column, followed by peptide affinity purification.
StorageMaintain refrigerated at 2-8°C for up to 2 weeks. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.
PrecautionsPhospho-CHUK(T23) Antibody is for research use only and not for use in diagnostic or therapeutic procedures.
Protein Information
Name CHUK
Synonyms IKKA, TCF16
Function Serine kinase that plays an essential role in the NF-kappa-B signaling pathway which is activated by multiple stimuli such as inflammatory cytokines, bacterial or viral products, DNA damages or other cellular stresses (PubMed:9244310, PubMed:9252186, PubMed:9346484, PubMed:18626576). Acts as part of the canonical IKK complex in the conventional pathway of NF-kappa-B activation and phosphorylates inhibitors of NF-kappa-B on serine residues (PubMed:9244310, PubMed:9252186, PubMed:9346484, PubMed:18626576). These modifications allow polyubiquitination of the inhibitors and subsequent degradation by the proteasome (PubMed:9244310, PubMed:9252186, PubMed:9346484, PubMed:18626576). In turn, free NF- kappa-B is translocated into the nucleus and activates the transcription of hundreds of genes involved in immune response, growth control, or protection against apoptosis (PubMed:9244310, PubMed:9252186, PubMed:9346484, PubMed:18626576). Negatively regulates the pathway by phosphorylating the scaffold protein TAXBP1 and thus promoting the assembly of the A20/TNFAIP3 ubiquitin-editing complex (composed of A20/TNFAIP3, TAX1BP1, and the E3 ligases ITCH and RNF11) (PubMed:21765415). Therefore, CHUK plays a key role in the negative feedback of NF-kappa-B canonical signaling to limit inflammatory gene activation. As part of the non-canonical pathway of NF-kappa-B activation, the MAP3K14-activated CHUK/IKKA homodimer phosphorylates NFKB2/p100 associated with RelB, inducing its proteolytic processing to NFKB2/p52 and the formation of NF-kappa-B RelB-p52 complexes (PubMed:20501937). In turn, these complexes regulate genes encoding molecules involved in B-cell survival and lymphoid organogenesis. Participates also in the negative feedback of the non-canonical NF- kappa-B signaling pathway by phosphorylating and destabilizing MAP3K14/NIK. Within the nucleus, phosphorylates CREBBP and consequently increases both its transcriptional and histone acetyltransferase activities (PubMed:17434128). Modulates chromatin accessibility at NF- kappa-B-responsive promoters by phosphorylating histones H3 at 'Ser-10' that are subsequently acetylated at 'Lys-14' by CREBBP (PubMed:12789342). Additionally, phosphorylates the CREBBP-interacting protein NCOA3. Also phosphorylates FOXO3 and may regulate this pro- apoptotic transcription factor (PubMed:15084260). Phosphorylates RIPK1 at 'Ser-25' which represses its kinase activity and consequently prevents TNF-mediated RIPK1-dependent cell death (By similarity). Phosphorylates AMBRA1 following mitophagy induction, promoting AMBRA1 interaction with ATG8 family proteins and its mitophagic activity (PubMed:30217973).
Cellular Location Cytoplasm. Nucleus Note=Shuttles between the cytoplasm and the nucleus
Tissue Location Widely expressed.
Research Areas

BACKGROUND

CHUK is a member of the serine/threonine protein kinase family. The encoded protein, a component of a cytokine-activated protein complex that is an inhibitor of the essential transcription factor NF-kappa-B complex, phosphorylates sites that trigger the degradation of the inhibitor via the ubiquination pathway, thereby activating the transcription factor.

REFERENCES

Park, K.J., et al., Mol. Cell 18(1):71-82 (2005). Qing, G., et al., J. Biol. Chem. 280(11):9765-9768 (2005). Xiao, G., et al., J. Biol. Chem. 279(29):30099-30105 (2004). Gu, L., et al., J. Biol. Chem. 279(50):52141-52149 (2004). Buss, H., et al., J. Biol. Chem. 279(53):55633-55643 (2004).

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