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APC/Cyanine7 anti-human HLA-DR Antibody

Pricing & Availability
Clone
L243 (See other available formats)
Regulatory Status
RUO
Other Names
Major Histocompatibility Class II, MHC class II
Isotype
Mouse IgG2a, κ
Ave. Rating
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Product Citations
publications
L243_APCCyanine7_HLA-DR_Antibody_010719_updated.png
Human peripheral blood lymphocytes were stained with CD19 FITC and HLA-DR (clone L243) APC/Cyanine7 (left), or mouse IgG2a, κ APC/Cyanine7 isotype control (right)
  • L243_APCCyanine7_HLA-DR_Antibody_010719_updated.png
    Human peripheral blood lymphocytes were stained with CD19 FITC and HLA-DR (clone L243) APC/Cyanine7 (left), or mouse IgG2a, κ APC/Cyanine7 isotype control (right)
See APC/Cyanine7 spectral data
Cat # Size Price Quantity Check Availability Save
307617 25 tests £98
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307618 100 tests £200
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Description

HLA-DR is a heterodimeric cell surface glycoprotein comprised of a 36 kD α (heavy) chain and a 27 kD β (light) chain. It is expressed on B cells, activated T cells, monocytes/macrophages, dendritic cells, and other non-professional APCs. In conjunction with the CD3/TCR complex and CD4 molecules, HLA-DR is critical for efficient peptide presentation to CD4+ T cells.

Product Details
Technical Data Sheet (pdf)

Product Details

Reactivity
Human,Cynomolgus,Rhesus
Antibody Type
Monoclonal
Host Species
Mouse
Formulation
Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide and BSA (origin USA)
Preparation
The antibody was purified by affinity chromatography, and conjugated with APC/Cyanine7 under optimal conditions.
Concentration
Lot-specific (to obtain lot-specific concentration and expiration, please enter the lot number in our Certificate of Analysis online tool.)
Storage & Handling
The HLA-DR antibody solution should be stored undiluted between 2°C and 8°C, and protected from prolonged exposure to light. Do not freeze.
Application

FC - Quality tested
Recommended Usage

Each lot of this antibody is quality control tested by immunofluorescent staining with flow cytometric analysis. For flow cytometric staining, the suggested use of this reagent is 5 µl per million cells in 100 µl staining volume or 5 µl per 100 µl of whole blood.

Excitation Laser
Red Laser (633 nm)
Application Notes

The L243 monoclonal antibody reacts with the HLA-DR antigen, a member of MHC class II molecules. It does not cross react with HLA-DP and HLA-DQ. Clone L243 binds a conformational epitope on HLA-DRa which depends on the correct folding of the aß heterodimer.19

Additional reported applications (for the relevant formats) include: immunoprecipitation8, Western blotting8, in vitro blocking of mixed lymphocyte reactions9,10, depeletion of MHC class II cells7, immunohistochemical staining of acetone-fixed frozen sections4,5, and spatial biology (IBEX)21,22. For sensitive functional assays, we recommend using the Ultra-LEAF™ purified antibody (Endotoxin < 0.01 EU/µg, Azide-Free, 0.2 µm filtered) (Cat. No. 307648, 307665 - 307669).

Additional Product Notes

BioLegend is in the process of converting the name APC/Cy7 to APC/Cyanine7. The dye molecule remains the same, so you should expect the same quality and performance from our APC/Cyanine7 products. Please contact Technical Service if you have any questions.

Application References

(PubMed link indicates BioLegend citation)
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  22. Radtke AJ, et al. 2022. Nat Protoc. 17:378-401. (SB) PubMed
Product Citations
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RRID
AB_493587 (BioLegend Cat. No. 307617)
AB_493586 (BioLegend Cat. No. 307618)

Antigen Details

Structure
Ig superfamily, MHC class II, heterodimeric transmembrane protein, 36 kD heavy and 27 kD light chain
Distribution

B cells, activated T cells, monocytes/macrophages, dendritic cells, other APCs

Function
Peptide presentation
Ligand/Receptor
CD3/TCR, CD4
Cell Type
Antigen-presenting cells, B cells, Dendritic cells, Macrophages, Monocytes, T cells, Tregs
Biology Area
Immunology, Innate Immunity
Molecular Family
MHC Antigens
Antigen References

1. Levacher M, et al. 1990. Clin. Exp. Immunol. 81:177.
2. Terstappen L, et al. 1990. J. Leukocyte Biol. 48:138.
3. Edwards JA, et al. 1986. J. Immunol. 137:490.
4. van Es A, et al. 1984. Transplantation 37:65.
5. O'Doherty U, et al. 1994. Immunology 82:487.
6. Thomas R, et al. 1994. J. Immunol. 153:4016.
7. Grouard G, et al. 1996. Nature 384:364.

Gene ID
3122 View all products for this Gene ID 3123 View all products for this Gene ID
UniProt
View information about HLA-DR on UniProt.org

Related FAQs

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This data display is provided for general comparisons between formats.
Your actual data may vary due to variations in samples, target cells, instruments and their settings, staining conditions, and other factors.
If you need assistance with selecting the best format contact our expert technical support team.

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