Brilliant Violet 421™ anti-human HLA-E Antibody

Pricing & Availability
3D12 (See other available formats)
Regulatory Status
Other Names
HLA class I histocompatibility antigen, alpha chain E, HLAE
Mouse IgG1, κ
Ave. Rating
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Product Citations
Human peripheral blood lymphocytes were stained with HLA-E (clone 3D12) Brilliant Violet 421™ (filled histogram) or mouse IgG1, κ Brilliant Violet 421™ isotype control (open histogram).
  • 3D12_BV421_HLA-E_Antibody_120117
    Human peripheral blood lymphocytes were stained with HLA-E (clone 3D12) Brilliant Violet 421™ (filled histogram) or mouse IgG1, κ Brilliant Violet 421™ isotype control (open histogram).
Compare all formats See Brilliant Violet 421™ spectral data
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342611 25 tests 144€
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342612 100 tests 309€
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HLA-E is a non-classical MHC class I (MHC-Ib) molecule. It is characterized by limited polymorphism and ubiquitous expression. HLA-E, as other MHC-I molecules, is heterodimerized with β2-microglobulin. HLA-E interacts with CD94/NKG2 receptor to regulate NK cell cytolysis activities.

Product Details
Technical Data Sheet (pdf)

Product Details

Verified Reactivity
Antibody Type
Host Species
Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide and BSA (origin USA).
The antibody was purified by affinity chromatography and conjugated with Brilliant Violet 421™ under optimal conditions.
Lot-specific (to obtain lot-specific concentration and expiration, please enter the lot number in our Certificate of Analysis online tool.)
Storage & Handling
The antibody solution should be stored undiluted between 2°C and 8°C, and protected from prolonged exposure to light. Do not freeze.

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.

Brilliant Violet 421™ excites at 405 nm and emits at 421 nm. The standard bandpass filter 450/50 nm is recommended for detection. Brilliant Violet 421™ is a trademark of Sirigen Group Ltd.

Learn more about Brilliant Violet™.

This product is subject to proprietary rights of Sirigen Inc. and is made and sold under license from Sirigen Inc. The purchase of this product conveys to the buyer a non-transferable right to use the purchased product for research purposes only. This product may not be resold or incorporated in any manner into another product for resale. Any use for therapeutics or diagnostics is strictly prohibited. This product is covered by U.S. Patent(s), pending patent applications and foreign equivalents.
Excitation Laser
Violet Laser (405 nm)
Application References
  1. Lee N, et al. 1998. Proc. Natl. Acad. Sci. USA. 95:5199.
  2. Wooden SL, et al. 2005. J. Immunol. 175:1383.
  3. Monaco EL, et al. 2008. J. Immunol. 181:5442.
  4. Corrah TW, et al. 2011. J. Virol. 85:3367. PubMed
Product Citations
  1. Zhuang X, et al. 2020. Front Immunol. 2.415972222. PubMed
  2. van Stigt Thans T, et al. 2020. Journal of Virology. 93(20):e00719-19.. PubMed
  3. Van der Meer JMR, et al. 2021. Oncoimmunology. 10:1981049. PubMed
AB_2721524 (BioLegend Cat. No. 342611)
AB_2721525 (BioLegend Cat. No. 342612)

Antigen Details

HLA family, Ig superfamily, 42 kD

Broadly expressed

Mediate cell recognition by NK cells
Biology Area
Molecular Family
MHC Antigens
Antigen References

1. Sullivan LC, et al. 2008. Tissue Antigen. 72:415.
2. Koller BH, et al. 1988. J. Immunol. 141:897.

Gene ID
3133 View all products for this Gene ID
View information about HLA-E on

Related FAQs

What is the F/P ratio range of our BV421™ format antibody reagents?

It is lot-specific. On average it ranges between 2-4.

Go To Top Version: 0    Revision Date: 12/01/2017

For research use only. Not for diagnostic use. Not for resale. BioLegend will not be held responsible for patent infringement or other violations that may occur with the use of our products.


*These products may be covered by one or more Limited Use Label Licenses (see the BioLegend Catalog or our website, BioLegend products may not be transferred to third parties, resold, modified for resale, or used to manufacture commercial products, reverse engineer functionally similar materials, or to provide a service to third parties without written approval of BioLegend. By use of these products you accept the terms and conditions of all applicable Limited Use Label Licenses. Unless otherwise indicated, these products are for research use only and are not intended for human or animal diagnostic, therapeutic or commercial use.


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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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