Date published: 2026-4-27

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HLA-DR Antibody (Bra20): sc-33720

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Datasheets
  • HLA-DR Antibody (Bra20) is a mouse monoclonal IgG2b κ provided at 200 µg/ml
  • raised against cells Reh-6 (non-T, non-B leukemia cell line)
  • recommended for detection of HLA-DR of mouse, rat and human origin by WB, IP and FCM
  • available conjugated to either phycoerythrin or FITC for IF, IHC(P) and FCM
  • See HLA-DR (520B): sc-69673 for HLA-DR antibody conjugates, including AC, HRP, FITC, PE, Alexa Fluor® 488, 594, 647, 680 and 790.
  • m-IgG Fc BP-HRP, m-IgG2b BP-HRP and m-IgGκ BP-HRP are the preferred secondary detection reagents for HLA-DR Antibody (Bra20) for WB applications. These reagents are now offered in bundles with HLA-DR Antibody (Bra20) (see ordering information below).
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    HLA-DR Antibody (Bra20) is a mouse monoclonal IgG2b kappa light chain antibody engineered to target the HLA-DR protein, also known as human leukocyte antigen DR or MHC class II DR. The HLA-DR protein is a critical component of the major histocompatibility complex (MHC) class II molecules, which are essential for presenting antigenic peptides to CD4+ T helper cells, thereby initiating and regulating immune responses. HLA-DR undergoes significant post-translational modifications, including glycosylation, which are crucial for its proper folding, stability, and expression on the cell surface, ensuring effective antigen presentation and immune system functionality. Anti-HLA-DR antibody (Bra20) is raised against the Reh-6 non-T, non-B leukemia cell line and demonstrates broad species reactivity, effectively recognizing HLA-DR from mouse, rat, and human origins. HLA-DR (Bra20) antibody is versatile in its applications, suitable for western blotting (WB), immunoprecipitation (IP), and flow cytometry (FCM), providing reliable and specific detection of HLA-DR across various experimental settings. By specifically binding to HLA-DR without cross-reacting with other MHC class II molecules, HLA-DR monoclonal antibody (Bra20) ensures precise targeting, which is essential for studies involving immune cell interactions, antigen presentation mechanisms, and the molecular basis of immune-related diseases such as autoimmune disorders and cancers. Additionally, understanding the post-translational modifications of HLA-DR facilitated by anti-HLA-DR antibody (Bra20) can lead to deeper insights into protein function and stability, advancing the development of targeted immunotherapies and diagnostic tools. Available in both conjugated and unconjugated forms, HLA-DR (Bra20) monoclonal antibody is an indispensable tool for researchers aiming to elucidate the complexities of immune regulation and enhance therapeutic strategies, ultimately contributing to improved patient outcomes and scientific advancements in immunology.

    For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.

    Ordering Information

    Product NameCatalog #UNITPriceQtyFAVORITES

    HLA-DR Antibody (Bra20)

    sc-33720
    200 µg/ml
    $322.00

    HLA-DR Antibody (Bra20): m-IgG Fc BP-HRP Bundle

    sc-536785
    200 µg Ab; 10 µg BP
    $361.00

    HLA-DR Antibody (Bra20): m-IgGκ BP-HRP Bundle

    sc-533949
    200 µg Ab; 40 µg BP
    $361.00

    HLA-DR Antibody (Bra20): m-IgG2b BP-HRP Bundle

    sc-549828
    200 µg Ab; 10 µg BP
    $361.00

    HLA-DR Antibody (Bra20) FITC

    sc-33720 FITC
    200 µg/ml
    $336.00

    HLA-DR Antibody (Bra20) PE

    sc-33720 PE
    200 µg/ml
    $349.00

    How can HLA-DR (Bra20): sc-33720 mouse monoclonal antibody be used for double or triple staining, if the other primary antibodies are also raised in mouse?

    Asked by: Germaine
    In this case, we recommend using a directly conjugated mouse monoclonal primary antibody. This antibody is available conjugated to phycoerythrin (sc-33720 PE) or fluoroscein (sc-33720 FITC).
    Answered by: Technical Support
    Date published: 2017-02-27
    • y_2026, m_4, d_23, h_7CST
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    Rated 4 out of 5 by from Strong band in WB in BJAB whole cell lysateStrong band in WB in BJAB whole cell lysate. -SCBT QC
    Date published: 2015-02-24
    Rated 4 out of 5 by from Produced wonderful FCM data for BJAB cellsProduced wonderful FCM data for BJAB cells. -SCBT QC
    Date published: 2013-06-14
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    HLA-DR Antibody (Bra20) is rated 4.0 out of 5 by 2.
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