Thermo Fisher Scientific CD21 Recombinant Rabbit Monoclonal Antibody (PD00-23)
CD21 단백질을 인식하는 재조합 토끼 단클론 항체로, WB, IHC, ICC, Flow 등 다양한 응용에 적합. 인간 시료 반응성이 높으며, Protein A 정제 및 고순도 액상 형태. CD21 관련 면역 반응 연구에 활용 가능.
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Applications and Tested Dilutions
| Application | Tested Dilution |
|---|---|
| Western Blot (WB) | 1:1,000 |
| Immunohistochemistry (Paraffin) (IHC (P)) | 1:4,000 |
| Immunohistochemistry (PFA fixed) (IHC (PFA)) | 1:1,000 |
| Immunocytochemistry (ICC/IF) | 1:100 |
| Flow Cytometry (Flow) | 1:500–1:1,000 |
Product Specifications
| Specification | Description |
|---|---|
| Species Reactivity | Human |
| Host / Isotype | Rabbit / IgG |
| Expression System | HEK293 cells |
| Class | Recombinant Monoclonal |
| Type | Antibody |
| Clone | PD00-23 |
| Immunogen | Synthetic peptide within Human CD21 aa 1000 to the C-terminus |
| Conjugate | Unconjugated |
| Form | Liquid |
| Concentration | 1 mg/mL |
| Purification | Protein A |
| Storage Buffer | PBS, pH 7.4, with 0.1% BSA, 40% glycerol |
| Contains | 0.05% sodium azide |
| Storage Conditions | Store at 4°C short term. For long term storage, store at -20°C, avoiding freeze/thaw cycles. |
| Shipping Conditions | Wet ice |
| RRID | AB_3092878 |
Product Specific Information
- Positive control: Raji cell lysates, human tonsil tissue, human spleen tissue, Raji, human prostate cancer
- Predicted band size: 113 kDa
- Subcellular Location: Cell membrane
Target Information
CD21 (complement receptor 2, CR2, C3D receptor, EBV receptor) binds C3 complement fragments, particularly breakdown fragments that remain covalently attached to complement-activating surfaces or antigens.
CD21 plays crucial roles in immunocomplex uptake, memory B cell survival, and humoral immune response development. It serves as a receptor for Epstein-Barr virus and participates in prion targeting and neuroinvasion.
Soluble CD21 (sCD21) retains ligand-binding ability after being shed from the lymphocyte surface.
CD21 interacts with CD23 and associates with CD19, CD81, and Leu13 to form a large signal-transduction complex involved in B cell activation.
Genetic variations in the CD21 gene are linked to susceptibility to systemic lupus erythematosus type 9 (SLEB9).
Alternatively spliced transcript variants encoding different isoforms of CD21 have been identified.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
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