Anti-HIPK2 antibody [EPR3819] (ab108543)


  • Product name
    Anti-HIPK2 antibody [EPR3819]
    See all HIPK2 primary antibodies
  • Description
    Rabbit monoclonal [EPR3819] to HIPK2
  • Host species
  • Specificity
    The immunogen used for this product shares 69% homology and 6 consecutive amino acids with HIPK1. Cross-reactivity with this protein has not been confirmed experimentally.
  • Tested applications
    Suitable for: WB, IP, ICC, Flow Cytmore details
    Unsuitable for: IHC-P
  • Species reactivity
    Reacts with: Mouse, Human
  • Immunogen

    Synthetic peptide within Human HIPK2 aa 150-250. The exact sequence is proprietary.

  • Positive control
    • HT-1080 and HepG2 cell lysates
  • General notes

    Rat: We have preliminary internal testing data to indicate this antibody may not react with these species. Please contact us for more information.

    Our RabMAb® technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to RabMab® patents

    This product is a recombinant rabbit monoclonal antibody.



Our Abpromise guarantee covers the use of ab108543 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
WB 1/2000 - 1/10000. Detects a band of approximately 100, 130 kDa (predicted molecular weight: 131 kDa).
IP 1/20.
ICC 1/100 - 1/250.
Flow Cyt 1/1000 - 1/10000.

ab172730 - Rabbit monoclonal IgG, is suitable for use as an isotype control with this antibody.


  • Application notes
    Is unsuitable for IHC-P.
  • Target

    • Function
      Protein kinase acting as a corepressor of several transcription factors, including SMAD1 and POU4F1/Brn3a and probably NK homeodomain transcription factors. Inhibits cell growth and promotes apoptosis. Involved in transcriptional activation of TP53 and TP73. Phosphorylation of TP53 may be mediated by a TP53-HIPK2-AXIN1 complex. In response to TGFB, cooperates with DAXX to activate JNK. Phosphorylates the antiapoptotic factor CTBP1 and promotes its proteasomal degradation. In the Wnt/beta-catenin signaling pathway acts as an intermediate kinase between TAK1 and NLK to promote the proteasomal degradation of MYB (By similarity). Phosphorylates CBX4 upon DNA damage and promotes its E3 SUMO-protein ligase activity. PML, HIPK2 and FBXO3 may act synergically to activate p53/TP53-dependent transactivation.
    • Tissue specificity
      Highly expressed in heart, muscle and kidney. Weakly expressed in a ubiquitous way. Down-regulated in several thyroid and breast tumors.
    • Sequence similarities
      Belongs to the protein kinase superfamily. CMGC Ser/Thr protein kinase family. HIPK subfamily.
      Contains 1 protein kinase domain.
    • Post-translational
      Phosphorylated on tyrosines (By similarity). Autophosphorylated.
      Sumoylated. When conjugated it is directed to nuclear speckles. Desumoylated by SENP1 (By similarity). Sumoylation on Lys-32 is promoted by the E3 SUMO-protein ligase CBX4.
      Ubiquitinated by FBXO3, leading to rapid proteasome-dependent degradation. This degradation, but not ubiquitination, is prevented in the presence of PML.
    • Cellular localization
      Nucleus > PML body. Cytoplasm. Concentrated in PML/POD/ND10 nuclear bodies. Small amounts are cytoplasmic.
    • Information by UniProt
    • Database links
    • Alternative names
      • hHIPk 2 antibody
      • hHIPk2 antibody
      • HIPK 2 antibody
      • Hipk2 antibody
      • HIPK2_HUMAN antibody
      • Homeodomain interacting protein kinase 2 antibody
      • Homeodomain-interacting protein kinase 2 antibody
      • Nbak1 antibody
      • Nuclear body-associated kinase 1 antibody
      • PRO0593 antibody
      • Sialophorin tail-associated nuclear serine/threonine-protein kinase antibody
      • Stank antibody
      see all


    • Overlay histogram showing HEK293 cells stained with ab108543 (red line). The cells were fixed with 80% methanol (5 min) and then permeabilized with 0.1% PBS-Tween for 20 min. The cells were then incubated in 1x PBS / 10% normal goat serum / 0.3M glycine to block non-specific protein-protein interactions followed by the antibody (ab108543, 1/10000 dilution) for 30 min at 22°C. The secondary antibody used was Alexa Fluor® 488 goat anti-rabbit IgG (H&L) (ab150077) at 1/2000 dilution for 30 min at 22°C. Isotype control antibody (black line) was rabbit IgG (monoclonal) (0.1μg/1x106 cells) used under the same conditions. Unlabelled sample (blue line) was also used as a control. Acquisition of >5,000 events were collected using a 20mW Argon ion laser (488nm) and 525/30 bandpass filter. This antibody gave a positive signal in HEK293 cells fixed with 4% paraformaldehyde (10 min)/permeabilized with 0.1% PBS-Tween for 20 min used under the same conditions.
    • All lanes : Anti-HIPK2 antibody [EPR3819] (ab108543) at 1/2000 dilution

      Lane 1 : HT-1080 cell lysate
      Lane 2 : HepG2 cell lysate

      Lysates/proteins at 10 µg per lane.

      All lanes : HRP labelled goat anti-rabbit at 1/2000 dilution

      Predicted band size: 131 kDa
      Observed band size: 130 kDa (why is the actual band size different from the predicted?)
      Additional bands at: 100 kDa (possible isoform)


    This product has been referenced in:
    • Fisher JN  et al. MicroRNA networks regulated by all-trans retinoic acid and Lapatinib control the growth, survival and motility of breast cancer cells. Oncotarget 6:13176-200 (2015). WB . Read more (PubMed: 25961594) »
    • Cozza G  et al. Synthesis and properties of a selective inhibitor of homeodomain-interacting protein kinase 2 (HIPK2). PLoS One 9:e89176 (2014). IP ; Human . Read more (PubMed: 24586573) »

    See all 3 Publications for this product

    Customer reviews and Q&As

    There are 3 isoforms of this protein with mwt 131kDa, 100kDa and 128kDa. The antibody is detecting the 100kDa isoform in hepG2 lysates.

    I am also CC'ing our Custom Services group on this message and they will set up a call with you to di...

    Read More


    Sign up