• Product name
    Anti-PBK antibody [EP2520Y]
    See all PBK primary antibodies
  • Description
    Rabbit monoclonal [EP2520Y] to PBK
  • Tested applications
    Suitable for: WB, IP, IHC-Pmore details
    Unsuitable for: Flow Cyt or ICC
  • Species reactivity
    Reacts with: Human
  • Immunogen

    Synthetic peptide corresponding to residues from the C-terminus of human PBK

  • Positive control
    • Human tonsil. HeLa cell lysate.
  • General notes

    This product is a recombinant rabbit monoclonal antibody.


    Produced using Abcam’s RabMAb® technology. RabMAb® technology is covered by the following U.S. Patents, No. 5,675,063 and/or 7,429,487.

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



Our Abpromise guarantee covers the use of ab75987 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 1/100000 - 1/500000. Detects a band of approximately 36 kDa (predicted molecular weight: 36 kDa).
IP 1/30.
IHC-P 1/100 - 1/250.

Antigen retrieval is recommended.

  • Application notes
    Is unsuitable for Flow Cyt or ICC.
  • Target

    • Function
      Phosphorylates MAP kinase p38. Seems to be active only in mitosis. May also play a role in the activation of lymphoid cells. When phosphorylated, forms a complex with TP53, leading to TP53 destabilization and attenuation of G2/M checkpoint during doxorubicin-induced DNA damage.
    • Tissue specificity
      Expressed in the testis and placenta. In the testis, restrictedly expressed in outer cell layer of seminiferous tubules.
    • Sequence similarities
      Belongs to the protein kinase superfamily. Ser/Thr protein kinase family. MAP kinase kinase subfamily.
      Contains 1 protein kinase domain.
    • Post-translational
      Phosphorylated; in a cell-cycle dependent manner at mitosis.
    • Information by UniProt
    • Database links
    • Alternative names
      • Cancer/testis antigen 84 antibody
      • CT84 antibody
      • Epididymis luminal protein 164 antibody
      • FLJ14385 antibody
      • HEL164 antibody
      • Lymphokine activated killer T cell originated protein kinase antibody
      • Lymphokine-activated killer T-cell-originated protein kinase antibody
      • MAPKK like protein kinase antibody
      • MAPKK-like protein kinase antibody
      • Nori 3 antibody
      • Nori-3 antibody
      • Nori3 antibody
      • PBK antibody
      • PDZ binding kinase antibody
      • PDZ-binding kinase antibody
      • Serine/threonine protein kinase antibody
      • Spermatogenesis related protein kinase antibody
      • Spermatogenesis-related protein kinase antibody
      • SPK antibody
      • T LAK cell originated protein kinase antibody
      • T-LAK cell-originated protein kinase antibody
      • TOPK antibody
      • TOPK_HUMAN antibody
      see all

    Anti-PBK antibody [EP2520Y] images

    • Predicted band size : 36 kDa

      Lane 1: Wild-type HAP1 cell lysate (20 µg)
      Lane 2: PBK knockout HAP1 cell lysate (20 µg)
      Lane 3: HeLa cell lysate (20 µg)
      Lane 4: Human tonsil tissue lysate (20 µg)
      Lanes 1 - 4: Merged signal (red and green). Green - ab75987 observed at 40 kDa. Red - loading control, ab7291, observed at 52 kDa.

      ab75987 was shown to recognize PBK when PBK knockout samples were used, along with additional cross-reactive bands. Wild-type and PBK knockout samples were subjected to SDS-PAGE. ab75987 diluted to 1/100,000 and ab7291 (loading control to alpha Tubulin) diluted to 1/10,000 and incubated overnight at 4°C. Blots were developed with Goat anti-Rabbit IgG H&L (IRDye® 800CW) preadsorbed (ab216773) and Goat anti-Mouse IgG H&L (IRDye® 680RD) preadsorbed (ab216776) secondary antibodies at 1/10,000 dilution for 1 hour at room temperature before imaging.

    • Anti-PBK antibody [EP2520Y] (ab75987) at 1/500000 dilution + HeLa cell lysate at 10 µg

      HRP labelled goat anti-rabbit at 1/2000 dilution

      Predicted band size : 36 kDa
      Observed band size : 40 kDa (why is the actual band size different from the predicted?)
    • Immunohistochemical analysis of paraffin-embedded human tonsil using ab75987 at 1/100 dilution.

    References for Anti-PBK antibody [EP2520Y] (ab75987)

    This product has been referenced in:
    • Dou X  et al. PBK/TOPK mediates geranylgeranylation signaling for breast cancer cell proliferation. Cancer Cell Int 15:27 (2015). Human . Read more (PubMed: 25745361) »
    • Lei B  et al. PBK/TOPK expression correlates with mutant p53 and affects patients' prognosis and cell proliferation and viability in lung adenocarcinoma. Hum Pathol 46:217-24 (2015). Read more (PubMed: 25466965) »

    See all 3 Publications for this product

    Product Wall

    There are currently no Abreviews or Questions for ab75987.
    Please use the links above to contact us or submit feedback about this product.


    Sign up