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Validated using a knockout cell lineRecombinantRabMAb

Recombinant Anti-p73 antibody [EPR19884] - ChIP Grade (ab215038)

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  • SDS
  • Certificate of Compliance
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Western blot - Anti-p73 antibody [EPR19884] - ChIP Grade (ab215038)
  • Western blot - Anti-p73 antibody [EPR19884] - ChIP Grade (ab215038)
  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-p73 antibody [EPR19884] - ChIP Grade (ab215038)
  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-p73 antibody [EPR19884] - ChIP Grade (ab215038)
  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-p73 antibody [EPR19884] - ChIP Grade (ab215038)
  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-p73 antibody [EPR19884] - ChIP Grade (ab215038)
  • Immunoprecipitation - Anti-p73 antibody [EPR19884] - ChIP Grade (ab215038)
  • ChIP - Anti-p73 antibody [EPR19884] - ChIP Grade (ab215038)
  • Anti-p73 antibody [EPR19884] - ChIP Grade (ab215038)

Key features and details

  • Produced recombinantly (animal-free) for high batch-to-batch consistency and long term security of supply
  • Rabbit monoclonal [EPR19884] to p73 - ChIP Grade
  • Suitable for: IHC-P, WB, IP, ChIP
  • Knockout validated
  • Reacts with: Human

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Overview

  • Product name

    Anti-p73 antibody [EPR19884] - ChIP Grade
    See all p73 primary antibodies
  • Description

    Rabbit monoclonal [EPR19884] to p73 - ChIP Grade
  • Host species

    Rabbit
  • Tested applications

    Suitable for: IHC-P, WB, IP, ChIPmore details
  • Species reactivity

    Reacts with: Human
  • Immunogen

    Recombinant fragment. This information is proprietary to Abcam and/or its suppliers.

  • Positive control

    • WB: HT-1376, HeLa, HEK-293 and HepG2 whole cell lysates. IHC-P: Human skin, tonsil, bladder cancer and lung squamous carcinoma tissues. IP: HEK-293 whole cell lysate. ChIP: Chromatin prepared from HCT 116 cells.
  • General notes

    This product is a recombinant monoclonal antibody, which offers several advantages including:

    • - High batch-to-batch consistency and reproducibility
    • - Improved sensitivity and specificity
    • - Long-term security of supply
    • - Animal-free production
    For more information see here.

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

Properties

  • Form

    Liquid
  • Storage instructions

    Shipped at 4°C. Store at +4°C short term (1-2 weeks). Upon delivery aliquot. Store at -20°C long term. Avoid freeze / thaw cycle.
  • Storage buffer

    pH: 7.2
    Preservative: 0.01% Sodium azide
    Constituents: 59% PBS, 40% Glycerol (glycerin, glycerine), 0.05% BSA
  • Concentration information loading...
  • Purity

    Protein A purified
  • Clonality

    Monoclonal
  • Clone number

    EPR19884
  • Isotype

    IgG
  • Research areas

    • Cell Biology
    • Cell Cycle
    • Cell Cycle Inhibitors
    • Other
    • Epigenetics and Nuclear Signaling
    • DNA / RNA
    • DNA Damage & Repair
    • DNA Damage Response
    • Other
    • Epigenetics and Nuclear Signaling
    • Transcription
    • Cancer susceptibility
    • Tumor Suppressors
    • Epigenetics and Nuclear Signaling
    • Cell cycle
    • Cell Cycle Inhibitors
    • Other
    • Cancer
    • Cell cycle
    • Cell cycle inhibitors
    • p53 pathway
    • Cancer
    • Oncoproteins/suppressors
    • Tumor suppressors
    • p53 pathway

Associated products

  • Alternative Versions

    • Anti-p73 antibody [EPR19884] - BSA and Azide free (ab251550)
  • Compatible Secondaries

    • Goat Anti-Rabbit IgG H&L (HRP) (ab97051)
  • Isotype control

    • Rabbit IgG, monoclonal [EPR25A] - Isotype Control (ab172730)
    • Rabbit IgG, monoclonal [EPR25A] - Isotype Control - BSA and Azide Free (ab210849)
  • Related Products

    • VeriBlot for IP Detection Reagent (HRP) (ab131366)

Applications

The Abpromise guarantee

Our Abpromise guarantee covers the use of ab215038 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
1/500. Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.
WB
1/1000. Detects a band of approximately 70, 80 kDa (predicted molecular weight: 70 kDa).
IP
1/30.
ChIP
Use 2 µg for 25 µg of chromatin.
Notes
IHC-P
1/500. Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.
WB
1/1000. Detects a band of approximately 70, 80 kDa (predicted molecular weight: 70 kDa).
IP
1/30.
ChIP
Use 2 µg for 25 µg of chromatin.

Target

  • Function

    Participates in the apoptotic response to DNA damage. Isoforms containing the transactivation domain are pro-apoptotic, isoforms lacking the domain are anti-apoptotic and block the function of p53 and transactivating p73 isoforms. May be a tumor suppressor protein.
  • Tissue specificity

    Expressed in striatal neurons of patients with Huntington disease (at protein level). Brain, kidney, placenta, colon, heart, liver, spleen, skeletal muscle, prostate, thymus and pancreas. Highly expressed in fetal tissue.
  • Sequence similarities

    Belongs to the p53 family.
    Contains 1 SAM (sterile alpha motif) domain.
  • Domain

    Possesses an acidic transactivation domain, a central DNA binding domain and a C-terminal oligomerization domain that binds to the ABL tyrosine kinase SH3 domain.
    The WW-binding motif mediates interaction with WWOX.
  • Post-translational
    modifications

    Isoform alpha (but not isoform beta) is sumoylated on Lys-627, which potentiates proteasomal degradation but does not affect transcriptional activity.
    Higher levels of phosphorylation seen in the brain from patients with Huntington disease.
    Ubiquitinated; leading to its degradation by the proteasome.
  • Cellular localization

    Nucleus. Accumulates in the nucleus in response to DNA damage.
  • Target information above from: UniProt accession O15350 The UniProt Consortium
    The Universal Protein Resource (UniProt) in 2010
    Nucleic Acids Res. 38:D142-D148 (2010) .

    Information by UniProt
  • Database links

    • Entrez Gene: 7161 Human
    • Omim: 601990 Human
    • SwissProt: O15350 Human
    • Unigene: 697294 Human
    • Unigene: 706990 Human
    • Alternative names

      • p53 like transcription factor antibody
      • p53 related protein antibody
      • p53-like transcription factor antibody
      • p53-related protein antibody
      • p73 antibody
      • P73_HUMAN antibody
      • TP73 antibody
      • Tumor protein p73 antibody
      see all

    Images

    • Western blot - Anti-p73 antibody [EPR19884] - ChIP Grade (ab215038)
      Western blot - Anti-p73 antibody [EPR19884] - ChIP Grade (ab215038)

      Lane 1: Wild-type HAP1 whole cell lysate (20 µg)
      Lane 2: p73 knockout HAP1 whole cell lysate (20 µg)

      Lanes 1 - 2: Merged signal (red and green). Green - ab215038 observed at 75 kDa. Red - loading control, ab9484, observed at 37 kDa.

      ab215038 was shown to recognize p73 in wild-type HAP1 cells as signal was lost at the expected MW in p73 knockout cells. Additional cross-reactive bands were observed in the wild-type and knockout cells. Wild-type and p73 knockout samples were subjected to SDS-PAGE. Ab215038 and ab9484 (Mouse anti-GAPDH loading control) were incubated overnight at 4°C at 1/50 dilution and 1/20000 dilution respectively. Blots were developed with Goat anti-Rabbit IgG H&L (IRDye® 800CW) preabsorbed ab216773 and Goat anti-Rabbit IgG H&L (IRDye® 680RD) preabsorbed ab216777 secondary antibodies at 1/10000 dilution for 1 hour at room temperature before imaging.

    • Western blot - Anti-p73 antibody [EPR19884] - ChIP Grade (ab215038)
      Western blot - Anti-p73 antibody [EPR19884] - ChIP Grade (ab215038)
      All lanes : Anti-p73 antibody [EPR19884] - ChIP Grade (ab215038) at 1/1000 dilution

      Lane 1 : HT-1376 (Human urinary bladder carcinoma cell line) whole cell lysate
      Lane 2 : HeLa (Human epithelial cell line from cervix adenocarcinoma) whole cell lysate
      Lane 3 : 293 (Human epithelial cell line from embryonic kidney) whole cell lysate
      Lane 4 : HepG2 (Human liver hepatocellular carcinoma cell line) whole cell lysate

      Lysates/proteins at 10 µg per lane.

      Secondary
      All lanes : Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/50000 dilution

      Predicted band size: 70 kDa
      Observed band size: 70,80 kDa why is the actual band size different from the predicted?



      Blocking/Dilution buffer: 5% NFDM/TBST.

      Exposure times: Lane 1: 3 minutes; Lane 2-4: 30 seconds.

      The expression profile/ molecular weight observed is consistent with what has been described in the literature (PMID: 11101847).

    • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-p73 antibody [EPR19884] - ChIP Grade (ab215038)
      Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-p73 antibody [EPR19884] - ChIP Grade (ab215038)

      Immunohistochemical analysis of paraffin-embedded human skin tissue labeling p73 with ab215038 at 1/500 dilution, followed by Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/500 dilution. Nuclear staining on basal and parabasal layers of squamous epithelium of human skin is observed. Counter stained with Hematoxylin.

      Secondary antibody only control: Used PBS instead of primary antibody, secondary antibody is Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/500 dilution.

      Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.

    • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-p73 antibody [EPR19884] - ChIP Grade (ab215038)
      Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-p73 antibody [EPR19884] - ChIP Grade (ab215038)

      Immunohistochemical analysis of paraffin-embedded human tonsil tissue labeling p73 with ab215038 at 1/500 dilution, followed by Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/500 dilution. Nuclear staining on basal and parabasal layers of squamous epithelium of human tonsil is observed. Counter stained with Hematoxylin.

      Secondary antibody only control: Used PBS instead of primary antibody, secondary antibody is Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/500 dilution.

      Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.

    • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-p73 antibody [EPR19884] - ChIP Grade (ab215038)
      Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-p73 antibody [EPR19884] - ChIP Grade (ab215038)

      Immunohistochemical analysis of paraffin-embedded human bladder cancer tissue labeling p73 with ab215038 at 1/500 dilution, followed by Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/500 dilution. Nuclear staining on human bladder cancer is observed. Counter stained with Hematoxylin.

      Secondary antibody only control: Used PBS instead of primary antibody, secondary antibody is Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/500 dilution.

      Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.

    • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-p73 antibody [EPR19884] - ChIP Grade (ab215038)
      Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-p73 antibody [EPR19884] - ChIP Grade (ab215038)

      Immunohistochemical analysis of paraffin-embedded human lung squamous carcinoma tissue labeling p73 with ab215038 at 1/500 dilution, followed by Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/500 dilution. Nuclear staining on human lung squamous carcinoma is observed. Counter stained with Hematoxylin.

      Secondary antibody only control: Used PBS instead of primary antibody, secondary antibody is Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/500 dilution.

      Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.

    • Immunoprecipitation - Anti-p73 antibody [EPR19884] - ChIP Grade (ab215038)
      Immunoprecipitation - Anti-p73 antibody [EPR19884] - ChIP Grade (ab215038)

      p73 was immunoprecipitated from 0.35 mg of HEK-293 (Human epithelial cell line from embryonic kidney) whole cell lysate with ab215038 at 1/30 dilution. Western blot was performed from the immunoprecipitate using ab215038 at 1/1000 dilution. VeriBlot for IP Detection Reagent (HRP) (ab131366), was used for detection at 1/1,000 dilution

      Lane 1: HEK-293 whole cell lysate 10 μg (Input).

      Lane 2: ab215038 IP in HEK-293 whole cell lysate.

      Lane 3: Rabbit monoclonal IgG (ab172730) instead of ab215038 in HEK-293 whole cell lysate.

      Blocking and dilution buffer and concentration: 5% NFDM/TBST.

      Exposure time: 1 second.

    • ChIP - Anti-p73 antibody [EPR19884] - ChIP Grade (ab215038)
      ChIP - Anti-p73 antibody [EPR19884] - ChIP Grade (ab215038)

      Chromatin was prepared from HCT 116 (Human colorectal carcinoma cell line) cells treated with 1mM Hydroxyurea for 16h and non-treated according to the Abcam X-ChIP protocol. Cells were fixed with formaldehyde for 10 minutes. The ChIP was performed with 25µg of chromatin, 2µg of ab215038 (blue), and 20µl of Anti rabbit IgG sepharose beads. 2μg of rabbit normal IgG was added to the beads control (yellow).  The immunoprecipitated DNA was quantified by real time PCR (Sybr green approach).

    • Anti-p73 antibody [EPR19884] - ChIP Grade (ab215038)
      Anti-p73 antibody [EPR19884] - ChIP Grade (ab215038)

    Protocols

    • ChIP protocols
    • Immunoprecipitation protocols
    • Immunohistochemistry protocols
    • Western blot protocols

    Click here to view the general protocols

    Datasheets and documents

    • SDS download

    • Datasheet download

      Download

    Certificate of Compliance

    To download a Certificate of Compliance, please enter your Lot number below:

    References (3)

    Publishing research using ab215038? Please let us know so that we can cite the reference in this datasheet.

    ab215038 has been referenced in 3 publications.

    • Palanikumar L  et al. Protein mimetic amyloid inhibitor potently abrogates cancer-associated mutant p53 aggregation and restores tumor suppressor function. Nat Commun 12:3962 (2021). PubMed: 34172723
    • Romero-Medina MC  et al. Human papillomavirus type 38 alters wild-type p53 activity to promote cell proliferation via the downregulation of integrin alpha 1 expression. PLoS Pathog 16:e1008792 (2020). PubMed: 32813746
    • Rozenberg JM  et al. Distinct p63 and p73 Protein Interactions Predict Specific Functions in mRNA Splicing and Polyploidy Control in Epithelia. Cells 10:N/A (2020). PubMed: 33375680

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