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| カタログ番号 | HB939012 |
|---|---|
| 説明 |
Recombinant Human CD21/CR2 Protein, N-GST (HB939012) expressed in E. coli, spanning Lys729-Asp958. Purity: >90% by SDS-PAGE.
Highlights
|
| 発現システム | E. coli |
| アクセッション番号 | P20023 |
| タンパク質長 | Lys729-Asp958 |
| アプリケーション | ELISA, Immunogen, SDS-PAGE, WB, Bioactivity testing in progress |
| 種 | Homo sapiens (Human) |
| 性質 | Recombinant |
| エンドトキシンレベル | Please contact with the lab for this information. |
| 純度 | >90% as determined by SDS-PAGE. |
| 予測分子量 | 52.08 kDa |
| 形態 | Lyophilized |
| 保存バッファー | Lyophilized from a solution in PBS pH 7.4, 0.02% NLS, 1 mM EDTA, 4% Trehalose, 1% Mannitol. データシートのハードコピーまたはロット固有のCOAに記載された具体的なバッファー情報を参照してください。 |
| 再構成 | Reconstitute in sterile water for a stock solution. Adjust the volume of sterile water so that, after reconstitution, the final stock concentration matches the value indicated on the product label or datasheet. RECONSTITUTION PROTOCOL 1. Allow the product to be reconstituted and the reconstitution diluent to reach room temperature. 2. Tap or briefly centrifuge the product vial before opening to dislodge any lyophilized material that may be dispersed on the wall or cap of the vial. 3. Use the diluent and stock concentration recommended in the product datasheet. If preparing a stock concentration higher than recommended, contact Technical Service. 4. After adding the diluent, re-cap the vial and invert gently by hand or place on a slow rocking platform to allow the reconstitution diluent to coat all the surfaces inside the vial. Note: Do not mix by vortexing or by pipetting the material up and down. 5. Allow the vial to sit at room temperature with gentle agitation for at least 15 minutes before aliquotting or using. 6. Store the reconstituted material in single use aliquots in polypropylene or siliconized tubes. Aliquots of 10 μL or larger are recommended. |
| 発送 | In general, proteins are provided as lyophilized powder/frozen liquid. They are shipped out with dry ice/blue ice unless customers require otherwise. |
| 安定性と保存 | Use a manual defrost freezer and avoid repeated freeze thaw cycles. Store at 2 to 8°C for frequent use. Store at -20 to -80°C for twelve months from the date of receipt. |
| 別名 | Cr2, Complement C3d receptor, C3DR, Epstein-Barr virus receptor, Complement receptor type 2, CR2, EBV receptor, CD21 |
| 背景 | Complement receptor type 2 (CD21/CR2) is a ~112 kDa protein. Serves as a receptor for various ligands including complement component CD3d, HNRNPU OR IFNA1. When C3d is bound to antigens, attaches to C3d on B-cell surface and thereby facilitates the recognition and uptake of antigens by B-cells. This interaction enhances B-cell activation and subsequent immune responses. Forms a complex with several partners on the surface of B-cells including CD19, FCRL5 and CD81, to form the B-cell coreceptor complex that plays a crucial role in B-cell activation and signaling. Also induces specific intracellular signaling separately from the BCR and CD19 by activating the tyrosine kinase SRC, which then phosphorylates nucleolin/NCL and triggers AKT and GSK3 kinase activities in a SYK/CD19-independent manner. 1. Delcayre, AX. et al. (1991) The EMBO journal 10, 919-26. PMID: 1849076 2. van den Elsen, JM. et al. (2011) Science (New York, N.Y.) 332, 608-11. PMID: 21527715 3. Barel, M. et al. (1995) Molecular immunology 32, 389-97. PMID: 7753047 4. Bradbury, LE. et al. (1992) Journal of immunology (Baltimore, Md. : 1950) 149, 2841-50. PMID: 1383329 5. Franco, A. et al. (2018) International immunology 30, 569-578. PMID: 30107486 6. Barel, M. et al. (2003) European journal of immunology 33, 2557-66. PMID: 12938232 7. Aubry, JP. et al. (1992) Nature 358, 505-7. PMID: 1386409 |
| 注意事項 | For research use only. |
SDS-PAGE for Recombinant Human CD21/CR2 Protein, N-GST
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