• Product name

  • Description

    Goat polyclonal to IREB2/IRP2
  • Host species

  • Tested applications

    Suitable for: IHC-P, WBmore details
  • Species reactivity

    Reacts with: Human
    Predicted to work with: Mouse, Rat, Cow, Pig, Orangutan
  • Immunogen

    Synthetic peptide corresponding to Human IREB2/IRP2 aa 489-503 (internal sequence).


    Database link: NP_004127.1

  • Positive control

    • Human Liver lysate Human kidney
  • General notes

     This product was previously labelled as IREB2



  • Form

  • Storage instructions

    Shipped at 4°C. Upon delivery aliquot and store at -20°C. Avoid freeze / thaw cycles.
  • Storage buffer

    Preservative: 0.02% Sodium Azide
    Constituents: 0.5% BSA, Tris buffered saline, pH 7.3
  • Concentration information loading...
  • Purity

    Immunogen affinity purified
  • Purification notes

    ab106926 was purified from goat serum by ammonium sulphate precipitation followed by antigen affinity chromatography using the immunizing peptide.
  • Clonality

  • Isotype

  • Research areas


Our Abpromise guarantee covers the use of ab106926 in the following tested applications.

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

Application Abreviews Notes
IHC-P Use a concentration of 3 - 6 µg/ml.
WB Use a concentration of 1 - 3 µg/ml. Detects a band of approximately 110 kDa (predicted molecular weight: 105 kDa).


  • Function

    RNA-binding protein that binds to iron-responsive elements (IRES), which are stem-loop structures found in the 5'-UTR of ferritin, and delta aminolevulinic acid synthase mRNAs, and in the 3'-UTR of transferrin receptor mRNA. Binding to the IRE element in ferritin results in the repression of its mRNA translation. Binding of the protein to the transferrin receptor mRNA inhibits the degradation of this otherwise rapidly degraded mRNA.
  • Sequence similarities

    Belongs to the aconitase/IPM isomerase family.
  • Post-translational

    Ubiquitinated and degraded by the proteasome in presence of high level of iron and oxygen. Ubiquitinated by a SCF complex containing FBXL5. Upon iron and oxygen depletion FBXL5 is degraded, preventing ubiquitination and allowing its RNA-binding activity.
  • Cellular localization

  • Information by UniProt
  • Database links

  • Alternative names

    • ACO3 antibody
    • FLJ23381 antibody
    • IRE BP2 antibody
    • IRE-BP 2 antibody
    • IREB 2 antibody
    • IREB2 antibody
    • IREB2_HUMAN antibody
    • Iron regulatory protein 2 antibody
    • iron responsive element binding protein 2 antibody
    • Iron-responsive element-binding protein 2 antibody
    • IRP 2 antibody
    • IRP2 antibody
    • IRP2AD antibody
    • OTTHUMP00000185022 antibody
    see all


  • All lanes : Anti-IREB2/IRP2 antibody (ab106926) at 0.3 µg/ml

    Lane 1 : Human Liver lysate in RIPA buffer
    Lane 2 : Human Liver lysate in RIPA buffer with immunizing peptide

    Lysates/proteins at 35 µg per lane.

    Developed using the ECL technique.

    Predicted band size: 105 kDa
    Observed band size: 110 kDa
    why is the actual band size different from the predicted?
    Additional bands at: 60 kDa. We are unsure as to the identity of these extra bands.

    Primary incubation was 1 hour.

    An additional band of unknown identity was consistently observed at 60kDa. This band was successfully blocked by incubation with the immunizing peptide.
  • ab106926 at 3.8 µg/ml staining IREB2/IRP2 in Human spleen by Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections). Steamed antigen retrieval with citrate buffer pH 6 was performed. Antibody was revealed with AP-staining.


This product has been referenced in:

  • Cloonan SM  et al. Mitochondrial iron chelation ameliorates cigarette smoke-induced bronchitis and emphysema in mice. Nat Med 22:163-74 (2016). Read more (PubMed: 26752519) »
See 1 Publication for this product

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