Date published: 2026-4-24

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HLA-DR Antibody (520B): sc-69673

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Datasheets
  • HLA-DR Antibody (520B) is a mouse monoclonal IgG2b κ HLA-DR antibody, cited in 2 publications, provided at 200 µg/ml
  • raised against lymphoma cells of human origin
  • HLA-DR Antibody (520B) is recommended for detection of HLA-DR of human origin by WB, IP, IF, IHC(P) and FCM
  • Anti-HLA-DR Antibody (520B) is available conjugated to agarose for IP; HRP for WB, IHC(P) and ELISA; and to either phycoerythrin or FITC for IF, IHC(P) and FCM
  • also available conjugated to Alexa Fluor® 488, Alexa Fluor® 546, Alexa Fluor® 594 or Alexa Fluor® 647 for WB (RGB), IF, IHC(P) and FCM, and for use with RGB fluorescent imaging systems, such as iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • also available conjugated to Alexa Fluor® 680 or Alexa Fluor® 790 for WB (NIR), IF and FCM; for use with Near-Infrared (NIR) detection systems, such as LI-COR®Odyssey®, iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • m-IgG Fc BP-HRP and m-IgG2b BP-HRP are the preferred secondary detection reagents for HLA-DR Antibody (520B) for WB and IHC(P) applications. These reagents are now offered in bundles with HLA-DR Antibody (520B) (see ordering information below).
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HLA-DR Antibody (520B) is a mouse monoclonal IgG2b kappa light chain antibody, designed to target the HLA-DR protein, also known as Human Leukocyte Antigen-DR or Major Histocompatibility Complex (MHC) class II DR isotype. Anti-HLA-DR antibody (520B) is raised against lymphoma cells of human origin and demonstrates strong reactivity with HLA-DR proteins from human species, making anti-HLA-DR antibody (520B) ideal for applications such as western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), immunohistochemistry with paraffin-embedded sections (IHCP), and flow cytometry (FCM). The HLA-DR protein is a crucial component of the immune system, functioning as an α/β heterodimer that presents exogenous peptides to CD4+ helper T cells, thereby initiating and regulating immune responses. Structurally, HLA-DR undergoes important post-translational modifications, including glycosylation, which are essential for proper folding, stability, and interaction with peptide antigens and T cell receptors. These modifications ensure accurate presentation of antigens and play a significant role in immune system functionality and disease susceptibility. Additionally, HLA-DR is involved in various autoimmune conditions, with certain polymorphisms linked to increased risk of diseases such as rheumatoid arthritis. HLA-DR monoclonal antibody (520B) is available in both non-conjugated and multiple conjugated forms, including agarose, horseradish peroxidase (HRP), phycoerythrin (PE), fluorescein isothiocyanate (FITC), and various Alexa Fluor® conjugates, providing versatile options for diverse experimental needs. By targeting the HLA-DR protein, anti-HLA-DR antibody (520B) facilitates advanced research into immune mechanisms, autoimmune disease pathways, and development of therapeutic interventions. The robust specificity and reliable performance of HLA-DR monoclonal antibody (520B) make anti-HLA-DR antibody (520B) an indispensable tool for researchers exploring the complexities of the immune system.

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

Alexa Fluor® is a trademark of Molecular Probes Inc., OR., USA

LI-COR® and Odyssey® are registered trademarks of LI-COR Biosciences

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

HLA-DR Antibody (520B)

sc-69673
200 µg/ml
$322.00

HLA-DR Antibody (520B): m-IgG Fc BP-HRP Bundle

sc-525690
200 µg Ab; 10 µg BP
$361.00

HLA-DR Antibody (520B): m-IgG2b BP-HRP Bundle

sc-549619
200 µg Ab; 10 µg BP
$361.00

HLA-DR Antibody (520B) AC

sc-69673 AC
500 µg/ml, 25% agarose
$424.00

HLA-DR Antibody (520B) HRP

sc-69673 HRP
200 µg/ml
$322.00

HLA-DR Antibody (520B) FITC

sc-69673 FITC
200 µg/ml
$336.00

HLA-DR Antibody (520B) PE

sc-69673 PE
200 µg/ml
$349.00

HLA-DR Antibody (520B) Alexa Fluor® 488

sc-69673 AF488
200 µg/ml
$364.00

HLA-DR Antibody (520B) Alexa Fluor® 546

sc-69673 AF546
200 µg/ml
$364.00

HLA-DR Antibody (520B) Alexa Fluor® 594

sc-69673 AF594
200 µg/ml
$364.00

HLA-DR Antibody (520B) Alexa Fluor® 647

sc-69673 AF647
200 µg/ml
$364.00

HLA-DR Antibody (520B) Alexa Fluor® 680

sc-69673 AF680
200 µg/ml
$364.00

HLA-DR Antibody (520B) Alexa Fluor® 790

sc-69673 AF790
200 µg/ml
$364.00

I ordered this antibody. Is this agarose conjugated? Because this catalogue mention that its available both in conjugated and non-conjugated form with no difference in catalogue number. I want a agarose conjugated ab.

Asked by: Singh
Thank you for your question. sc-69673 AC is the agarose conjugated conjugated form.
Answered by: BlakeJ
Date published: 2026-01-30

Can HLA-DR (520B): sc-69673 monoclonal antibody be used in IF or IHC with mouse tissue or cells? Will there be non-specific staining?

Asked by: Trav11
Thank you for your inquiry. The use of mouse monoclonal antibodies with mouse samples is very common and typically poses no problem. To eliminate any potential cross-reactivity of an anti-mouse secondary detection reagent, HLA-DR (520B): sc-69673 is available in a variety of direct conjugations, such as HRP, PE, FITC and AlexaFluors.
Answered by: Technical Support
Date published: 2017-02-24
  • y_2026, m_4, d_23, h_7CST
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Rated 5 out of 5 by from excellent IF markerIt works very well for IF (IHC, ICC) in human tissues
Date published: 2017-06-29
Rated 5 out of 5 by from Cell staining, perfectTo study the functions of pDC, I use Lin, HLA and CD123 to stain cells. The result is perfect.
Date published: 2016-11-20
Rated 5 out of 5 by from Very strong band for WB in RamosVery strong band for WB in Ramos, NAMALWA, BJAB, Daudi, HuT 78 and Raji whole cell lysates.-SCBT QC
Date published: 2015-01-23
Rated 5 out of 5 by from Produced exceptional FCM data for Raji cellsProduced exceptional FCM data for Raji cells. -SCBT QC
Date published: 2013-02-15
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HLA-DR Antibody (520B) is rated 5.0 out of 5 by 4.
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