
Thermo Fisher Scientific CD21 Monoclonal Antibody (CA2.1D6)
Thermo Fisher Scientific의 CD21 Monoclonal Antibody (CA2.1D6)은 개, 말, 고양이의 B 림프구 표면 CD21 항원을 인식합니다. IHC(F), Flow Cytometry, IP에 사용 가능하며, 액상 형태로 제공됩니다. 단백질 A로 정제되었으며, PBS 버퍼에 0.09% sodium azide를 포함합니다.
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Applications and Tested Dilution
| Application | Tested Dilution | Notes |
|---|---|---|
| Immunohistochemistry (Frozen) (IHC (F)) | Assay-dependent | — |
| Flow Cytometry (Flow) | 1:100 | — |
| Immunoprecipitation (IP) | Assay-dependent | — |
Product Specifications
| Specification | Description |
|---|---|
| Species Reactivity | Dog, Horse, Cat |
| Host / Isotype | Mouse / IgG1 |
| Class | Monoclonal |
| Type | Antibody |
| Clone | CA2.1D6 |
| Immunogen | Details not currently available |
| Conjugate | Unconjugated |
| Form | Liquid |
| Concentration | 1 mg/mL |
| Purification | Protein A |
| Storage Buffer | PBS |
| Contains | 0.09% sodium azide |
| Storage Conditions | Store at 4°C short term; for long term store at -20°C, avoiding freeze/thaw cycles |
| Shipping Conditions | Ambient (domestic); Wet ice (international) |
| RRID | AB_2538109 |
Additional Formats
Product Specific Information
The epitope recognized by this antibody is sensitive to formaldehyde fixation and tissue processing. Acetone fixation is recommended for frozen sections.
For FACS analysis, use 10 µL of the suggested working dilution to label 1×10^6 cells in 100 µL.
Mouse anti-canine CD21 antibody, clone CA2.1D6, recognizes canine CD21 (Complement receptor type 2), a cell surface antigen expressed by canine B lymphocytes.
Target Information
CD21 (complement receptor 2, CR2, C3D receptor, EBV receptor) binds C3 complement fragments that remain covalently attached to complement activating surfaces or antigens.
It plays key roles in:
- Uptake and retention of immunocomplexes
- Survival of memory B cells
- Development and maintenance of humoral response to T-dependent antigens
CD21 also serves as a receptor for Epstein-Barr virus, is involved in prion targeting to follicular dendritic cells, and aids neuroinvasion following peripheral exposure to prions.
A soluble form (sCD21) retains ligand-binding ability. CD21 interacts with CD23 and associates with CD19, CD81, and Leu13 to form a signal-transduction complex for B cell activation.
Genetic variations in CD21 are associated with systemic lupus erythematosus type 9 (SLEB9).
Alternatively spliced transcript variants encoding different isoforms have been identified.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
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