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  • 产品名称：Human IkB-alpha/NFKBIA protein (Recombinant) (No tag) (STJP000807)

  • 产品型号：STJP000807
  • 产品厂商：ST john's laboratory
  • 产品文档：
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简单介绍：
Human IkB-alpha/NFKBIA protein (Recombinant) (No tag) (STJP000807)
详情介绍：
Host: E. coli
Reactivity: Human
Note: STRICTLY FOR FURTHER SCIENTIFIC RESEARCH USE ONLY (RUO). MUST NOT TO BE USED IN DIAGNOSTIC OR THERAPEUTIC APPLICATIONS.
Short Description: Recombinant-Human IkB-alpha/NFKBIA-No tag protein was developed from e. coli and has a target region of No tag. For use in research applications.
Formulation: Lyophilized from a 0.22 Mu m filtered solution of PBS, pH 7.4. Contact us for customized product form or formulation.
Immunoreactivity: Measured by its binding ability in a functional ELISA. Immobilized Human IkB-alpha Protein at 2 Mu g/mL (100 Mu L/well) can bind I Kappa B Alpha Rabbit mAb with a linear range of 0.195-0.64 ng/mL.
Gene Symbol: NFKBIA
Gene ID: 4792
Uniprot ID: IKBA_HUMAN
Immunogen: Recombinant Human IkB-alpha/NFKBIA Protein is produced by E. coli expression system. The target protein is expressed with sequence (Phe2-Leu317) of human IkB-alpha (Accession #NP_065390.1).
Post Translational Modifications Phosphorylated at Ser-32 and Ser-36 by IKKA/CHUK and IKKB/IKBKB.disables inhibition of NF-kappa-B DNA-binding activity. Phosphorylation at positions 32 and 36 is prerequisite to recognition by the SCF(FBXW11) and SCF(BTRC) complexes, leading to polyubiquitination and subsequent degradation. Phosphorylated at Ser-32 in response to FK506 treatment: phosphorylation is independent of IKKA/CHUK and IKKB/IKBKB and promotes NFKBIA degradation, followed by NF-kappa-B activation. Phosphorylated at Tyr-42: its effect is however unclear. According to a report, phosphorylation at Tyr-42 activates NF-kappa-B without triggering proteolytic degradation of NFKBIA. According to another publication, phosphorylation at Tyr-42 inhibits NF-kappa-B activity by preventing phosphorylation at Ser-32 and Ser-36 and subsequent ubiquitination and degradation. Polyubiquitinated at Lys-21 and/or Lys-22 following phosphorylation at Ser-32 and Ser-36. Monoubiquitinated at Lys-21 and/or Lys-22 by UBE2D3. Ubiquitin chain elongation is then performed by CDC34 in cooperation with the SCF(FBXW11) E3 ligase complex, building ubiquitin chains from the UBE2D3-primed NFKBIA-linked ubiquitin. The resulting polyubiquitination leads to protein degradation. Also ubiquitinated by the SCF(BTRC) complex following stimulus-dependent phosphorylation at Ser-32 and Ser-36. Deubiquitinated by USP38, leading to NF-kappa-B inhibition. Sumoylated.sumoylation requires the presence of the nuclear import signal. Sumoylation blocks ubiquitination and proteasome-mediated degradation of the protein thereby increasing the protein stability. Hydroxylated by HIF1AN. (Microbial infection) Deubiquitinated by porcine reproductive and respiratory syndrome virus Nsp2 protein, which thereby interferes with NFKBIA degradation and impairs subsequent NF-kappa-B activation.
Function Inhibits the activity of dimeric NF-kappa-B/REL complexes by trapping REL (RELA/p65 and NFKB1/p50) dimers in the cytoplasm by masking their nuclear localization signals. On cellular stimulation by immune and pro-inflammatory responses, becomes phosphorylated promoting ubiquitination and degradation, enabling the dimeric RELA to translocate to the nucleus and activate transcription.
Protein Name Nf-Kappa-B Inhibitor Alpha
I-Kappa-B-Alpha
Ikb-Alpha
Ikappabalpha
Major Histocompatibility Complex Enhancer-Binding Protein Mad3
Database Links Reactome: R-HSA-1169091
Reactome: R-HSA-1810476
Reactome: R-HSA-202424
Reactome: R-HSA-209560
Reactome: R-HSA-2871837
Reactome: R-HSA-445989
Reactome: R-HSA-4755510
Reactome: R-HSA-5603029
Reactome: R-HSA-5607764
Reactome: R-HSA-5689880
Reactome: R-HSA-9020702
Reactome: R-HSA-933542
Reactome: R-HSA-9692916
Cellular Localisation Cytoplasm
Nucleus
Shuttles Between The Nucleus And The Cytoplasm By A Nuclear Localization Signal (Nls) And A Crm1-Dependent Nuclear Export
Alternative Protein Names Nf-Kappa-B Inhibitor Alpha protein
I-Kappa-B-Alpha protein
Ikb-Alpha protein
Ikappabalpha protein
Major Histocompatibility Complex Enhancer-Binding Protein Mad3 protein
NFKBIA protein
IKBA protein
MAD3 protein
NFKBI protein

Information sourced from Uniprot.org

12 months for antibodies. 6 months for ELISA Kits. Please see website T&Cs for further guidance
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