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    ikb-alpha-peptide-ab204863.pdf

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Signal Transduction Signaling Pathway Nuclear Signaling NFkB Pathway
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IKB alpha peptide (ab204863)

  • Datasheet
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Key features and details

  • Suitable for: Functional Studies, HPLC

Description

  • Product name

    IKB alpha peptide
    See all IKB alpha proteins and peptides
  • Animal free

    No
  • Nature

    Synthetic
    • Sequence

      KKKKERLLDDRHDSGLDSMKDEE
    • Amino acids

      21 to 41

Associated products

  • Recombinant Protein

    • Recombinant human IKK alpha protein (Active) (ab102103)
    • Recombinant human IKKi/IKKe protein (ab201367)

Specifications

Our Abpromise guarantee covers the use of ab204863 in the following tested applications.

The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.

  • Applications

    Functional Studies

    HPLC

  • Form

    Lyophilized
  • Additional notes

    ab204863 (IKB alpha peptide) can be utilized as a substrate for the following active protein kinases:

     

    ab102103 (Active human IKK alpha full length protein)
    ab201367 (Active human IKKi/IKKe full length protein)

     

  • Concentration information loading...

Preparation and Storage

  • Stability and Storage

    Shipped at 4°C. Store at -20°C. Avoid freeze / thaw cycle.

  • Reconstitution
    Dilute peptide in 20mM Tris-HCl, pH 7.5 solution to a final concentration of 1 mg/ml. For optimal storage, aliquot diluted product into smaller quantities and store at recommended temperature.

General Info

  • Alternative names

    • I kappa B alpha
    • I-kappa-B-alpha
    • IkappaBalpha
    • IkB-alpha
    • IKBA
    • IKBA_HUMAN
    • IKBalpha
    • MAD 3
    • MAD3
    • Major histocompatibility complex enhancer-binding protein MAD3
    • NF kappa B inhibitor alpha
    • NF-kappa-B inhibitor alpha
    • NFKBI
    • NFKBIA
    • Nuclear factor of kappa light chain gene enhancer in B cells
    • Nuclear factor of kappa light polypeptide gene enhancer in B cells inhibitor alpha
    see all
  • Function

    Inhibits the activity of dimeric NF-kappa-B/REL complexes by trapping REL dimers in the cytoplasm through masking of their nuclear localization signals. On cellular stimulation by immune and proinflammatory responses, becomes phosphorylated promoting ubiquitination and degradation, enabling the dimeric RELA to translocate to the nucleus and activate transcription.
  • Involvement in disease

    Ectodermal dysplasia, anhidrotic, with T-cell immunodeficiency autosomal dominant
  • Sequence similarities

    Belongs to the NF-kappa-B inhibitor family.
    Contains 5 ANK repeats.
  • Post-translational
    modifications

    Phosphorylated; disables inhibition of NF-kappa-B DNA-binding activity. Phosphorylation at positions 32 and 36 is prerequisite to recognition by UBE2D3 leading to polyubiquitination and subsequent degradation.
    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.
    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 SCF(BTRC) following stimulus-dependent phosphorylation at Ser-32 and Ser-36.
    Deubiquitinated by porcine reproductive and respiratory syndrome virus Nsp2 protein, which thereby interferes with NFKBIA degradation and impairs subsequent NF-kappa-B activation.
  • Cellular localization

    Cytoplasm. Nucleus. Shuttles between the nucleus and the cytoplasm by a nuclear localization signal (NLS) and a CRM1-dependent nuclear export.
  • Target information above from: UniProt accession P25963 The UniProt Consortium
    The Universal Protein Resource (UniProt) in 2010
    Nucleic Acids Res. 38:D142-D148 (2010) .

    Information by UniProt

Protocols

To our knowledge, customised protocols are not required for this product. Please try the standard protocols listed below and let us know how you get on.

Click here to view the general protocols

Datasheets and documents

    • Datasheet
  • References (0)

    Publishing research using ab204863? Please let us know so that we can cite the reference in this datasheet.

    ab204863 has not yet been referenced specifically in any publications.

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