Anti-Human CD81 Recombinant Antibody (5A6) (HX855107)

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Overview

Catalog No.	HX855107
Description	Anti-Human CD81 Antibody (5A6) [5A6] (HX855107) is a mouse monoclonal antibody detecting CD81 in FCM, WB. Suitable for Human. Highlights ●Flow Cytometry — Validated for flow cytometry applications.
Species reactivity	Human
Applications	FCM, WB
Host species	Mouse
Isotype	IgG1, kappa
Clone ID	5A6
Clonality	Monoclonal
Target	CD81 antigen, TSPAN28, Target of the antiproliferative antibody 1, Tspan-28, Tetraspanin-28, CD81, TAPA1, 26 kDa cell surface protein TAPA-1
Endotoxin level	Please contact with the lab for this information.
Purity	>95% as determined by SDS-PAGE.
Purification	Protein A/G purified from cell culture supernatant.
Accession	P60033
Form	Liquid
Storage buffer	0.01M PBS, pH 7.4. Please refer to the specific buffer information in the hardcopy of datasheet or the lot-specific COA.
Stability and Storage	Use a manual defrost freezer and avoid repeated freeze-thaw cycles. Store at 4°C short term (1-2 weeks). Store at -20°C 12 months. Store at -80°C long term.
Background	CD81 antigen is a ~25 kDa protein. Structural component of specialized membrane microdomains known as tetraspanin-enriched microdomains (TERMs), which act as platforms for receptor clustering and signaling. Essential for trafficking and compartmentalization of CD19 receptor on the surface of activated B cells. Upon initial encounter with microbial pathogens, enables the assembly of CD19-CR2/CD21 and B cell receptor (BCR) complexes at signaling TERMs, lowering the threshold dose of antigen required to trigger B cell clonal expansion and antibody production. In T cells, facilitates the localization of CD247/CD3 zeta at antigen-induced synapses with B cells, providing for costimulation and polarization toward T helper type 2 phenotype. Present in MHC class II compartments, may also play a role in antigen presentation. 1. Shoham, T. et al. (2006) Molecular and cellular biology 26, 1373-85. PMID: 16449649 2. van Zelm, MC. et al. (2010) The Journal of clinical investigation 120, 1265-74. PMID: 20237408 3. Zimmerman, B. et al. (2016) Cell 167, 1041-1051.e11. PMID: 27881302 4. Cherukuri, A. et al. (2004) The Journal of biological chemistry 279, 31973-82. PMID: 15161911 5. Sagi, Y. et al. (2012) Proceedings of the National Academy of Sciences of the United States of America 109, 1613-8. PMID: 22307619 6. Rocha-Perugini, V. et al. (2013) Molecular and cellular biology 33, 3644-58. PMID: 23858057 7. Secrist, H. et al. (1996) European journal of immunology 26, 1435-42. PMID: 8766544 8. Schick, MR. et al. (1993) Journal of immunology (Baltimore, Md. : 1950) 151, 4090-7. PMID: 8409388 9. Takeda, Y. et al. (2003) The Journal of cell biology 161, 945-56. PMID: 12796480
Note	For research use only.

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Bioactivity

Detects CD81 in indirect ELISAs.
Flow Cytometry

Flow-cytometry using anti-human CD81 antibody.Human peripheral blood lymphocytes were stained with an irrelevant antibody (Blue Histogram) or an anti-human CD81 antibody monoclonal antibody (Catalog # HX855107 ,Green Histogram) at a concentration of 5 µg/ml for 30 mins at RT. After washing, bound antibody was detected using a FITC conjugated goat anti-mouse antibody (Catalog # MF690414) and cells analysed on a NovoCyte Flow Cytometer.
Western blot

Western blot analysis was performed using anti-CD81 monoclonal antibody at 1ug/mL on various samples.
Lane 1: recombinant human CD81 (Catalog No: HX855011)
Lane 2: negative control

References

Datasheet

Anti-Human CD81 Recombinant Antibody (5A6).pdf

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Anti-Human CD81 Recombinant Antibody (5A6) (HX855107)

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