| Reactivity | Hu, Mu, RtSpecies Glossary |
| Applications | WB, Flow, ICC/IF, IHC, CyTOF-ready, KO, Single-Cell Western |
| Clone | 1.3.3.22 |
| Clonality | Monoclonal |
| Host | Mouse |
| Conjugate | Janelia Fluor 646 |
| Immunogen | Recombinant full-length human CD81 protein (Uniprot: P60033) |
| Localization | Cell surface |
| Specificity | Recognizes a protein of 26kDa, identified as CD81 (Workshop VI; Code CD81.1)). CD81 has a very broad cellular distribution, being expressed on T- and B-lymphocytes, NK cells, thymocytes, eosinophils, fibroblasts, epithelial and endothelial cells. Neutrophils, erythrocytes and platelets are negative, while monocytes are variably positive. CD81 is a member of a family of tetraspans transmembrane proteins, including CD9, CD37, CD53, CD63, and CD82. It associates with CD19, CD21, Leu 13, and integrins on cell membrane and is involved in signal transduction in B lymphocyte development and cell adhesion. CD81 also acts as a receptor for the envelope protein E2 of chronic hepatitis C virus. Antibodies to CD81 have anti-proliferative effects on different lymphoid cell lines, particularly those derived from large cell lymphomas. |
| Isotype | IgG1 Kappa |
| Clonality | Monoclonal |
| Host | Mouse |
| Gene | CD81 |
| Purity | Protein A or G purified |
| Innovator's Reward | Test in a species/application not listed above to receive a full credit towards a future purchase. |
| Dilutions |
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| Application Notes | Optimal dilution of this antibody should be experimentally determined. |
| Storage | Store at 4C in the dark. |
| Buffer | 50mM Sodium Borate |
| Preservative | 0.05% Sodium Azide |
| Purity | Protein A or G purified |
![CD81 Antibody (1.3.3.22) [Janelia Fluor® 646]](/sites/all/modules/enterprise-tech/et_datasheets/images/novus_guarantee.png "CD81 Antibody (1.3.3.22) [Janelia Fluor® 646]")
Secondary Antibodies |
Isotype Controls |
Research Areas for CD81 Antibody (NBP2-54548JF646)Find related products by research area.
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Tools for Isolation, Quantification and Analysis of Exosomes Exosomes are spherical to cup-shaped bilayered membrane enclosed nanosize vesicles (30-100 nm) which have the ability to shuttle active cargoes between cells. Johnstone et al. 1987 pioneered in documenting the generation of exosomes in differentiat... Read full blog post. |
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CD19: An Undoubted Biomarker for B Cells CD19 is a cell surface protein member of the large immunoglobulin superfamily that complexes with CD21, CD81, and CD225 in the membrane of mature B-cells. A major function of CD19 is to assemble with the antigen receptor of B-lymphocytes to decrease t... Read full blog post. |
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CD81/TAPA1: I'm on Tapa the Cell Target of the antiproliferative 1 (TAPA1), also known as CD81, is found in the plasma membrane in lymphocytes and plays an important role in the regulation of lymphoma cell growth. This transmembrane 4 superfamily (TM4SF) protein is primarily found on... Read full blog post. |
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| Gene Symbol | CD81 |
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