- 商品介绍
- 规格参数
- 包装参数
General description
The SJ25C1 antibody reacts with human CD19, a 95 kDa glycoprotein which acts as a co-receptor, along with CD21 (CR2), CD81 (TAPA-1) and CD225 (Leu13), in support of the functional B cell receptor (BCR). This complex provides antigen-specific recognition and subsequent activation of B cells to proliferate and differentiate into antibody-secreting cells (plasma cells) or memory B cells, which are crucial for secondary antigen encounter. Upon activation and tyrosine phosphorylation, the CD19 molecule can provide an anchor for cytoplasmic signaling proteins such as GRB2, SOS or PLCG2. CD19 is a lineage-differentiation marker, as its expression is detectable at the earliest B cell stages, through development, and is finally lost upon transition to mature plasma cells.
The SJ25C1 antibody is widely used as a phenotypic marker for CD19 expression on B cells, as well as on dendritic cell subsets.
Immunogen
Immunogen information for this antibody is proprietary information.
Application
Research Category
Inflammation & Immunology
This mouse monoclonal, Anti-CD19 (human), APC, clone SJ25C1, Cat. No. MABF1644 is validated for use in Flow Cytometry, for the detection of CD19.
Physical form
Purified by size-exclusion chromatography
Purified mouse monoclonal in buffer containing 10 mM NaH2PO4, 150 mM NaCl, 0.09% NaN3, 0.1% gelatin, pH7.2.
Preparation Note
Stable for 1 year at 2-8°C from date of receipt.
Handling Recommendations: Upon receipt and prior to removing the cap, centrifuge the vial and gently mix the solution. Aliquot into microcentrifuge tubes and store at -20°C. Avoid repeated freeze/thaw cycles, which may damage IgG and affect product performance.
Note: Variability in freezer temperatures below -20°C may cause glycerol containing solutions to become frozen during storage.
Analysis Note
This monoclonal antibody was purified from tissue culture supernatant via affinity chromatography. The purified antibody was conjugated under optimal conditions, with unreacted dye removed from the preparation.
Evaluated by Flow Cytometry in human peripheral blood lymphocytes.
Flow Cytometry Analysis (FC): 0.5 μg of this antibody detected CD19 in one million human peripheral blood lymphocytes.
Other Notes
Concentration: Please refer to lot specific datasheet.
Disclaimer
Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
| biological source | mouse |
| Quality Segment | 100 |
| conjugate | Allophycocyanin conjugate |
| antibody form | purified antibody |
| antibody product type | primary antibodies |
| clone | SJ25C1, monoclonal |
| species reactivity | human |
| technique(s) | flow cytometry: suitable |
| isotype | IgG1κ |
| UniProt accession no. | P15391 |
| target post-translational modification | unmodified |
| Gene Information | human ... CD19(930) |
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