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TotalSeq™-D0373 anti-human CD81 (TAPA-1) Antibody

Pricing & Availability
Clone
5A6 (See other available formats)
Regulatory Status
RUO
Other Names
S5.7, CVID6, TSPAN28
Isotype
Mouse IgG1, κ
Barcode Sequence
GTATCCTTCCTTGGC
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349527 10 µg 369 CHF
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Description

CD81 is a 26 kD non-glycosylated member of the tetraspanin superfamily (TM4SF), also known as TAPA-1 (target of an antiproliferative antibody). CD81 is expressed on T and B cells, NK cells, monocytes, dendritic cells, thymocytes, endothelial cells, and fibroblasts. It also has low levels of expression on granulocytes. CD81 induces B cell adhesion via VLA-4 integrin and has been shown to play a role in early T cell development. CD81 associates with several other cell-surface proteins in a multimolecular complex, including CD19, CD21, CD20, CD37, CD53, and CD82 in B cells, and CD4, CD8, and CD82 in T cells.

Product Details
Technical Data Sheet (pdf)

Product Details

Verified Reactivity
Human
Reported Reactivity
African Green, Baboon, Cynomolgus, Rhesus
Antibody Type
Monoclonal
Host Species
Mouse
Immunogen
Human OCI-LY8 cell line
Formulation
Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide and EDTA
Preparation
The antibody was purified by chromatography and conjugated with TotalSeq™-D oligomer under optimal conditions.
Concentration
0.5 mg/mL
Storage & Handling
The antibody solution should be stored undiluted between 2°C and 8°C. Do not freeze.
Application

PG – Quality tested
Recommended Usage

Each lot of this antibody is quality control tested by immunofluorescent staining with flow cytometric analysis and the oligomer sequence is confirmed by sequencing. TotalSeq™-D antibodies are compatible with Mission Bio’s Tapestri Single-Cell Sequencing Platform for simultaneous detection of DNA and Protein.

To maximize performance, it is strongly recommended that the reagent be titrated for each application, and that you centrifuge the antibody dilution before adding to the cells at 14,000xg at 2 - 8°C for 10 minutes. Carefully pipette out the liquid avoiding the bottom of the tube and add to the cell suspension. For Proteogenomics analysis, the suggested starting amount of this reagent for titration is ≤ 1.0 µg per million cells in 100 µL volume. Refer to the corresponding TotalSeq™ protocol for specific staining instructions.


Buyer is solely responsible for determining whether Buyer has all intellectual property rights that are necessary for Buyer's intended uses of the BioLegend TotalSeq™ products. For example, for any technology platform Buyer uses with TotalSeq™, it is Buyer's sole responsibility to determine whether it has all necessary third party intellectual property rights to use that platform and TotalSeq™ with that platform.
Application Notes

Additional reported applications (for the relevant formats) include: Western Blotting3 and immunoprecipitation2,3.

Additional Product Notes

TotalSeq™-D reagents are designed to profile protein expression at single cell level. The Mission Bio Tapestri platform and sequencer (e.g. Illumina analyzers) are required. Please contact technical support for more information, or visit biolegend.com/totalseq/single-cell-dna

The barcode flanking sequences are CGAGATGACTACGCTACTCATGG (PCR handle), and GAGCCGATCTAGTATCTCAGT*C*G (capture sequence). * indicates a phosphorothioated bond, to prevent nuclease degradation.

View more applications data for this product in our Application Technical Notes.

Application References

(PubMed link indicates BioLegend citation)
  1. Van Zelm MC, et al. 2010. J. Clin. Invest. 120:1265.
  2. Oren R, et al. 1990. Mol. Cell. Biol. 8:4007. (IP)
  3. Clark K, et al. 2004. J. Biol. Chem. 279(19):19401. (IP, WB)
  4. Mochida K, et al. 2008. J. Virol. 13:6711.
  5. Rappa G, et al. 2014. Mol Cancer Res. 12:1840. PubMed
RRID
AB_2910399 (BioLegend Cat. No. 349527)

Antigen Details

Structure
26 kD, type III transmembrane protein, member of the TM4SF tetraspanin family. Complexed with CD82, CD19, CD21, or CD4, CD8.
Distribution

T cells, NK, monocytes, B cells, endothelial and epithelial cells, low on granulocytes.

Function
Regulates cell activation and growth and cell aggregation.
Cell Type
B cells, Endothelial cells, Epithelial cells, Monocytes, Neural Stem Cells, NK cells, T cells
Biology Area
Cell Biology, Immunology, Neuroscience, Neuroscience Cell Markers, Signal Transduction, Stem Cells, Transcription Factors
Molecular Family
Adhesion Molecules, CD Molecules
Antigen References
  1. Van Zelm MC, et al. 2010. J. Clin. Invest. 120:1265.
  2. Fearon D, et al. 1995. Annu. Rev. Immunol. 13:127.
  3. Wright M, et al. 1994. Immunol. Today 15:588.
Gene ID
975 View all products for this Gene ID
UniProt
View information about CD81 on UniProt.org

Related FAQs

There are no FAQs for this product.
Go To Top Version: 1    Revision Date: 02.25.2022

For Research Use Only. Not for diagnostic or therapeutic use.

 

This product is supplied subject to the terms and conditions, including the limited license, located at www.biolegend.com/terms) ("Terms") and may be used only as provided in the Terms. Without limiting the foregoing, BioLegend products may not be used for any Commercial Purpose as defined in the Terms, resold in any form, used in manufacturing, or reverse engineered, sequenced, or otherwise studied or used to learn its design or composition without express written approval of BioLegend. Regardless of the information given in this document, user is solely responsible for determining any license requirements necessary for user’s intended use and assumes all risk and liability arising from use of the product. BioLegend is not responsible for patent infringement or any other risks or liabilities whatsoever resulting from the use of its products.

 

BioLegend, the BioLegend logo, and all other trademarks are property of BioLegend, Inc. or their respective owners, and all rights are reserved.

 

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Toll-Free Phone: 1-877-Bio-Legend (246-5343) Phone: (858) 768-5800 Fax: (877) 455-9587

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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