Validated using a knockout cell line

Recombinant Anti-HAUSP / USP7 antibody [EPR4253] (ab108931)


  • Product name
    Anti-HAUSP / USP7 antibody [EPR4253]
    See all HAUSP / USP7 primary antibodies
  • Description
    Rabbit monoclonal [EPR4253] to HAUSP / USP7
  • Host species
  • Tested applications
    Suitable for: WB, IHC-P, ICC/IF, Flow Cytmore details
    Unsuitable for: IP
  • Species reactivity
    Reacts with: Mouse, Rat, Human
  • Immunogen

    Synthetic peptide within Human HAUSP/ USP7 aa 100-200. The exact sequence is proprietary.

  • Positive control
    • Ramos, HeLa, A431, MCF7, C6 and RAW 264.7 cell lysates; Human colon tissue; HeLa cells.
  • General notes



    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 ab108931 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 1/1000 - 1/10000. Predicted molecular weight: 128 kDa.
IHC-P 1/50 - 1/100. Antigen retrieval is recommended.
ICC/IF 1/100 - 1/250.
Flow Cyt Use at an assay dependent concentration.
  • Application notes
    Is unsuitable for IP.
  • Target

    • Function
      Hydrolase that deubiquitinates target proteins such as FOXO4, p53/TP53, MDM2, ERCC6, DNMT1, UHRF1, PTEN and DAXX (PubMed:11923872, PubMed:15053880, PubMed:16964248, PubMed:18716620, PubMed:25283148). Together with DAXX, prevents MDM2 self-ubiquitination and enhances the E3 ligase activity of MDM2 towards p53/TP53, thereby promoting p53/TP53 ubiquitination and proteasomal degradation. Deubiquitinates p53/TP53, preventing degradation of p53/TP53, and enhances p53/TP53-dependent transcription regulation, cell growth repression and apoptosis (PubMed:25283148). Deubiquitinates p53/TP53 and MDM2 and strongly stabilizes p53/TP53 even in the presence of excess MDM2, and also induces p53/TP53-dependent cell growth repression and apoptosis. Deubiquitination of FOXO4 in presence of hydrogen peroxide is not dependent on p53/TP53 and inhibits FOXO4-induced transcriptional activity. In association with DAXX, is involved in the deubiquitination and translocation of PTEN from the nucleus to the cytoplasm, both processes that are counteracted by PML. Involved in cell proliferation during early embryonic development. Involved in transcription-coupled nucleotide excision repair (TC-NER) in response to UV damage: recruited to DNA damage sites following interaction with KIAA1530/UVSSA and promotes deubiquitination of ERCC6, preventing UV-induced degradation of ERCC6. Contributes to the overall stabilization and trans-activation capability of the herpesvirus 1 trans-acting transcriptional protein ICP0/VMW110 during HSV-1 infection. Involved in maintenance of DNA methylation via its interaction with UHRF1 and DNMT1: acts by mediating deubiquitination of UHRF1 and DNMT1, preventing their degradation and promoting DNA methylation by DNMT1 (PubMed:21745816). Exhibits a preference towards 'Lys-48'-linked ubiquitin chains. Increases regulatory T-cells (Treg) suppressive capacity by deubiquitinating and stabilizing the transcription factor FOXP3 which is crucial for Treg cell function (PubMed:23973222).
    • Tissue specificity
      Widely expressed. Overexpressed in prostate cancer.
    • Sequence similarities
      Belongs to the peptidase C19 family.
      Contains 1 MATH domain.
      Contains 1 USP domain.
    • Domain
      The C-terminus plays a role in its oligomerization.
    • Post-translational
      Isoform 1: Phosphorylated. Isoform 1 is phosphorylated at positions Ser-18 and Ser-963. Isoform 2: Not phosphorylated.
      Isoform 1: Polyneddylated. Isoform 2: Not Polyneddylated.
      Isoform 1 and isoform 2: Not sumoylated.
      Isoform 1 and isoform 2: Polyubiquitinated by herpesvirus 1 trans-acting transcriptional protein ICP0/VMW110; leading to its subsequent proteasomal degradation. Isoform 1: Ubiquitinated at Lys-869.
    • Cellular localization
      Nucleus. Cytoplasm. Nucleus, PML body. Present in a minority of ND10 nuclear bodies. Association with ICP0/VMW110 at early times of infection leads to an increased proportion of USP7-containing ND10. Colocalizes with ATXN1 in the nucleus. Colocalized with DAXX in speckled structures. Colocalized with PML and PTEN in promyelocytic leukemia protein (PML) nuclear bodies.
    • Information by UniProt
    • Database links
    • Alternative names
      • Deubiquitinating enzyme 7 antibody
      • HAUSP antibody
      • Herpes virus associated ubiquitin specific protease antibody
      • Herpesvirus-associated ubiquitin-specific protease antibody
      • TEF 1 antibody
      • tef-1 antibody
      • TEF1 antibody
      • Ubiquitin carboxyl terminal hydrolase 7 antibody
      • Ubiquitin carboxyl-terminal hydrolase 7 antibody
      • Ubiquitin specific peptidase 7 (herpes virus associated) antibody
      • Ubiquitin specific peptidase 7 antibody
      • Ubiquitin specific peptidase 7 herpes virus associated antibody
      • Ubiquitin specific processing protease 7 antibody
      • Ubiquitin specific protease 7 (herpes virus associated) antibody
      • Ubiquitin specific protease 7 antibody
      • Ubiquitin specific protease 7 herpes virus associated antibody
      • Ubiquitin thioesterase 7 antibody
      • Ubiquitin thiolesterase 7 antibody
      • Ubiquitin-specific-processing protease 7 antibody
      • UBP 7 antibody
      • UBP-7 antibody
      • UBP7 antibody
      • UBP7_HUMAN antibody
      • USP 7 antibody
      • usp-7 antibody
      • Usp7 antibody
      • VMW110-ASSOCIATED PROTEIN, 135-KD antibody
      see all


    • Lane 1: Wild-type HAP1 cell lysate (20 µg)
      Lane 2: HAUSP/USP7 knockout HAP1 cell lysate (20 µg)
      Lane 3: HeLa cell lysate (20 µg)
      Lane 4: MCF7 cell lysate (20 µg)
      Lanes 1 - 4: Merged signal (red and green). Green - ab108931 observed at 115 kDa. Red - loading control, ab8245, observed at 37 kDa.

      ab108931 was shown to specifically react with HAUSP/USP7 when HAUSP/USP7 knockout samples were used. Wild-type and HAUSP/USP7 knockout samples were subjected to SDS-PAGE. ab108931 and ab8245 (loading control to GAPDH) were diluted 1/1000 and 1/2000 respectively 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 h at room temperature before imaging.

    • Flow Cytometry analysis of HeLa (human cervix adenocarcinoma) cells labeling HAUSP / USP7  with unpurified ab108931 at 1:30 dilution(10ug/ml) (red). Cells were fixed with 80% methanol and permeabilised with 0.1% Tween-20. A Goat anti rabbit IgG (Alexa Fluor® 488)(ab150077)(1:2000 dilution) was used as the secondary antibody. Rabbit monoclonal IgG (Black)(ab172730) was used as the isotype control, Cell without incubation with primary antibody and secondary antibody (Blue) were used as the unlabeled control.

    • All lanes : Anti-HAUSP / USP7 antibody [EPR4253] (ab108931) at 1/1000 dilution

      Lane 1 : Ramos cell lysate
      Lane 2 : HeLa cell lysate
      Lane 3 : A431 cell lysate
      Lane 4 : MCF7 cell lysate
      Lane 5 : C6 cell lysate
      Lane 6 : RAW 264.7 cell lysate

      Lysates/proteins at 10 µg per lane.

      Predicted band size: 128 kDa

    • ab108931, at 1/50, staining HAUSP / USP7 in Human colon tissue by Immunohistochemistry, Paraffin-embedded tissue.
    • ab108931, at 1/100, staining HAUSP / USP7 in HeLa cells by Immunofluorescence.


    ab108931 has not yet been referenced specifically in any publications.

    Customer reviews and Q&As

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    1-2 of 2 Abreviews

    Western blot
    Human Cell lysate - whole cell (HAP1 cells)
    Gel Running Conditions
    Non-reduced Denaturing (4-12 % Bis-Tris gel)
    Loading amount
    50 µg
    HAP1 cells
    Blocking step
    BSA as blocking agent for 1 hour(s) and 0 minute(s) · Concentration: 5% · Temperature: RT°C

    Abcam user community

    Verified customer

    Submitted Oct 20 2016

    Immunocytochemistry/ Immunofluorescence
    Human Cell (HeLa)
    Yes - 0.05% Triton X100 in PBS

    Dr. Kirk Mcmanus

    Verified customer

    Submitted Feb 20 2013

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