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Anti-CD20 Picoband Antibody
- SPECIFICATION
- CITATIONS
- PROTOCOLS
- BACKGROUND
Application 
| WB, IHC-P, IHC-F, FC, ICC |
|---|---|
| Primary Accession | P11836 |
| Host | Rabbit |
| Reactivity | Human |
| Clonality | Polyclonal |
| Format | Lyophilized |
| Description | Rabbit IgG polyclonal antibody for B-lymphocyte antigen CD20(MS4A1) detection. Tested with WB, IHC-P, IHC-F, ICC, FCM in Human. |
| Reconstitution | Add 0.2ml of distilled water will yield a concentration of 500ug/ml. |
| Gene ID | 931 |
|---|---|
| Other Names | B-lymphocyte antigen CD20, B-lymphocyte surface antigen B1, Bp35, Leukocyte surface antigen Leu-16, Membrane-spanning 4-domains subfamily A member 1, CD20, MS4A1, CD20 |
| Calculated MW | 33077 MW KDa |
| Application Details | Immunohistochemistry(Paraffin-embedded Section), 0.5-1 µg/ml, By Heat Immunohistochemistry(Frozen Section), 0.5-1 µg/ml Immunocytochemistry, 0.5-1 µg/ml Western blot, 0.1-0.5 µg/ml Flow Cytometry, 1-3μg/1x106cells |
| Subcellular Localization | Cell membrane ; Multi-pass membrane protein . Cell membrane ; Lipid-anchor . |
| Tissue Specificity | Expressed on B-cells. |
| Protein Name | B-lymphocyte antigen CD20 |
| Contents | Each vial contains 5mg BSA, 0.9mg NaCl, 0.2mg Na2HPO4, 0.05mg NaN3. |
| Immunogen | E.coli-derived human CD20 recombinant protein (Position: M1-D261). Human CD20 shares 75% amino acid (aa) sequence identity with mouse CD20. |
| Purification | Immunogen affinity purified. |
| Cross Reactivity | No cross reactivity with other proteins |
| Storage | At -20˚C for one year. After r˚Constitution, at 4˚C for one month. It˚Can also be aliquotted and stored frozen at -20˚C for a longer time.Avoid repeated freezing and thawing. |
| Sequence Similarities | Belongs to the MS4A family. |
| Name | MS4A1 |
|---|---|
| Synonyms | CD20 |
| Function | B-lymphocyte-specific membrane protein that plays a role in the regulation of cellular calcium influx necessary for the development, differentiation, and activation of B-lymphocytes (PubMed:12920111, PubMed:3925015, PubMed:7684739). Functions as a store-operated calcium (SOC) channel component promoting calcium influx after activation by the B-cell receptor/BCR (PubMed:12920111, PubMed:18474602, PubMed:7684739). |
| Cellular Location | Cell membrane; Multi-pass membrane protein. Cell membrane; Lipid-anchor. Note=Constitutively associated with membrane rafts. |
| Tissue Location | Expressed on B-cells. |
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Provided below are standard protocols that you may find useful for product applications.
Background
CD20, also known as MS4A1, is an activated-glycosylated phosphoprotein expressed on the surface of all B-cells beginning at the pro-B phase (CD45R+, CD117+) and progressively increasing in concentration until maturity. It is mapped to 11q12.2. This gene encodes a member of the membrane-spanning 4A gene family. The function of CD20 is to enable optimal B-cell immune response, specifically against T-independent antigens. It is suspected that CD20 acts as a calcium channel in the cell membrane. What’s more, this protein may be involved in the regulation of B-cell activation and proliferation.
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