Thermo Fisher Scientific CD21/CD35 Monoclonal Antibody (eBio4E3 (4E3)), eFluor 450, eBioscience
마우스 CD21/CD35 단백질을 인식하는 eBio4E3 단클론 항체로, eFluor 450 형광체가 결합되어 있습니다. Flow cytometry 분석에 최적화되어 있으며, 405/445 nm에서 Excitation/Emission 특성을 가집니다. 0.2 mg/mL 농도의 액상 제품으로, 4°C 암소 보관이 필요합니다.
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Thermo Fisher Scientific CD21/CD35 Monoclonal Antibody (eBio4E3 (4E3)), eFluor 450
Applications and Tested Dilution
| Application | Tested Dilution | Publications |
|---|---|---|
| Immunohistochemistry (IHC) | - | View 2 publications |
| Immunocytochemistry (ICC/IF) | - | View 1 publication |
| Flow Cytometry (Flow) | 0.5 µg/test | View 9 publications |
Product Specifications
| 항목 | 내용 |
|---|---|
| Species Reactivity | Mouse |
| Published Species | Mouse |
| Host/Isotype | Rat / IgG2a, lambda |
| Recommended Isotype Control | Rat IgG2a kappa Isotype Control (eBR2a), eFluor™ 450, eBioscience™ |
| Class | Monoclonal |
| Type | Antibody |
| Clone | eBio4E3 (4E3) |
| Conjugate | eFluor™ 450 |
| Excitation/Emission Max | 405/445 nm |
| Form | Liquid |
| Concentration | 0.2 mg/mL |
| Purification | Affinity chromatography |
| Storage Buffer | PBS, pH 7.2 |
| Contains | 0.09% sodium azide |
| Storage Conditions | 4°C, store in dark, DO NOT FREEZE |
| Shipping Conditions | Ambient (domestic); Wet ice (international) |
| RRID | AB_2016703 |
Additional Formats
Product Specific Information
The monoclonal antibody eBio4E3 reacts with an epitope shared by mouse CD21 (CR2) and CD35 (CR1). CD21 and CD35 are alternatively spliced transcripts from the Cr2 gene, resulting in cell-surface proteins of 145 and 190 kDa, respectively. They are expressed by mature B cells but not on thymocytes, peripheral T cells, erythrocytes, or platelets, and show little evidence of expression on macrophages.
CD21 acts as a receptor for complement component C3d and Epstein-Barr virus (EBV), and participates in B-cell activation through the B cell receptor complex with CD19 and CD81. Cr2-deficient mice display impaired inflammatory and humoral immune responses in vivo. The eBio4E3 and eBio8D9 clones bind different epitopes and do not cross-block each other.
Applications Reported: Suitable for flow cytometric analysis.
Applications Tested: Validated by flow cytometric analysis of mouse splenocytes at ≤0.5 µg/test (100 µL final volume, 10⁵–10⁸ cells/test). Antibody titration recommended for optimal performance.
Fluorophore Information:
eFluor® 450 is an alternative to Pacific Blue®, emitting at 445 nm and excited by a 405 nm violet laser. Ensure instrument compatibility.
Excitation: 405 nm; Emission: 445 nm; Laser: Violet Laser.
Filtration: 0.2 µm post-manufacturing filtered.
Target Information
CD21 (complement receptor 2, CR2) binds C3 complement fragments and plays roles in uptake and retention of immune complexes, memory B cell survival, and humoral immune response development. It also acts as a receptor for EBV and participates in prion targeting.
CD35 encodes a membrane glycoprotein found on peripheral blood cells, glomerular podocytes, and follicular dendritic cells. It binds C3b and C4b, regulating complement cascade activity. Variations in CD35 form the Knops blood group system, with alleles F and S differing by 8 exons. A soluble plasma form has been described.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
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