Anti-Cullin 4a antibody [EPR3198] (ab92554)


  • Product name
    Anti-Cullin 4a antibody [EPR3198]
    See all Cullin 4a primary antibodies
  • Description
    Rabbit monoclonal [EPR3198] to Cullin 4a
  • Host species
  • Tested applications
    Suitable for: WB, IP, ICC, Flow Cyt, IHC-Pmore details
  • Species reactivity
    Reacts with: Human
  • Immunogen

    Synthetic peptide within Human Cullin 4a aa 700-800 (C terminal). The exact sequence is proprietary.
    Database link: Q13619

  • Positive control
    • HeLa, A375 and 293T cell lysates, Human breast carcinoma tissue
  • General notes

    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 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 ab92554 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
Flow Cyt
  • Application notes
    Flow Cyt: 1/50.
    ICC: 1/100 - 1/250.
    IHC-P: 1/100 - 1/250. Perform heat mediated antigen retrieval via the pressure cooker method before commencing with IHC staining protocol. The use of an HRP/AP polymerized antibody is recommended for a secondary antibody.
    IP: 1/50.
    WB: 1/20000 - 1/100000. Predicted molecular weight: 88 kDa.

    Not yet tested in other applications.
    Optimal dilutions/concentrations should be determined by the end user.
  • Target

    • Function
      Core component of multiple cullin-RING-based E3 ubiquitin-protein ligase complexes which mediate the ubiquitination and subsequent proteasomal degradation of target proteins. As a scaffold protein may contribute to catalysis through positioning of the substrate and the ubiquitin-conjugating enzyme. The E3 ubiquitin-protein ligase activity of the complex is dependent on the neddylation of the cullin subunit and is inhibited by the association of the deneddylated cullin subunit with TIP120A/CAND1. The functional specificity of the E3 ubiquitin-protein ligase complex depends on the variable substrate recognition component. DCX(DET1-COP1) directs ubiquitination of JUN. DCX(DDB2) directs ubiquitination of XPC. In association with RBX1, DDB1 and DDB2 is required for histone H3 and histone H4 ubiquitination in response to ultraviolet and may be important for subsequent DNA repair. DCX(DTL) plays a role in PCNA-dependent polyubiquitination of CDT1 and MDM2-dependent ubiquitination of TP53 in response to radiation-induced DNA damage and during DNA replication. In association with DDB1 and SKP2 probably is involved in ubiquitination of CDKN1B/p27kip. Is involved in ubiquitination of HOXA9.
    • Pathway
      Protein modification; protein ubiquitination.
    • Sequence similarities
      Belongs to the cullin family.
    • Post-translational
      Neddylated. Deneddylated via its interaction with the COP9 signalosome (CSN) complex (By similarity). Deneddylated by Epstein-Barr virus BPLF1 leading to a S-phase-like environment that is required for efficient replication of the viral genome.
    • Information by UniProt
    • Database links
    • Alternative names
      • 2810470J21Rik antibody
      • AW495282 antibody
      • CUL 4A antibody
      • CUL-4A antibody
      • Cul4a antibody
      • Cul4a protein antibody
      • CUL4A_HUMAN antibody
      • Cullin-4A antibody
      • MGC36573 antibody
      • MGC64071 antibody
      see all


    • Overlay histogram showing HeLa cells stained with ab92554 (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 (ab92554, 1/100 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) (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.
    • All lanes : Anti-Cullin 4a antibody [EPR3198] (ab92554) at 1/20000 dilution

      Lane 1 : Hela cell lysate
      Lane 2 : A375 cell lysate
      Lane 3 : 293T cell lysate

      Lysates/proteins at 10 µg per lane.

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

      Predicted band size: 88 kDa

    • ab92554 at 1/100 dilution staining Cullin 4a in Human breast carcinoma by Immunohistochemistry Formalin-fixed, Paraffin-embedded tissue. Detection: DAB staining.
    • ab92554 showing positive staining in Hepatocellular carcinoma tissue.

    • ab92554 showing positive staining in Colonic adenocarcinoma tissue.

    • ab92554 showing positive staining in Ovarian carcinoma tissue.


    This product has been referenced in:
    • Zhu QN  et al. LncRNA H19 is a major mediator of doxorubicin chemoresistance in breast cancer cells through a cullin4A-MDR1 pathway. Oncotarget 8:91990-92003 (2017). Read more (PubMed: 29190892) »
    • Hung MS  et al. Knockdown of cullin 4A inhibits growth and increases chemosensitivity in lung cancer cells. J Cell Mol Med 20:1295-306 (2016). WB ; Human . Read more (PubMed: 26969027) »

    See all 4 Publications for this product

    Customer reviews and Q&As

    Immunocytochemistry/ Immunofluorescence
    Human Cell (HeLa)
    Yes - 0.5% Triton-X100 in PBS

    Dr. Kirk Mcmanus

    Verified customer

    Submitted Aug 20 2014

    Thank you for contacting Abcam.
    The immunogen peptide for ab92554 maps between amino acids *****and ****** near the C-terminus of human CUL4A (UniProt: Q13619).

    If there is anything else I can help you with, please let me know.


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