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Siglec-2/CD22 Protein, Rhesus, Recombinant (His) is expressed in HEK293 mammalian cells with His tag. The predicted molecular weight is 76.14 kDa and the accession number is EHH29920.1.

| Pack Size | Price | Availability | Quantity |
|---|---|---|---|
| 5 μg | $79 | 7-10 days | |
| 10 μg | $129 | 7-10 days | |
| 20 μg | $208 | 7-10 days | |
| 50 μg | $419 | 7-10 days | |
| 100 μg | $812 | 7-10 days | |
| 200 μg | $1,180 | 7-10 days | |
| 500 μg | $2,330 | 7-10 days | |
| 1 mg | $4,530 | 7-10 days |
| Biological Activity | Activity testing is not tested. It is theoretically active, but we cannot guarantee it. |
| Description | Siglec-2/CD22 Protein, Rhesus, Recombinant (His) is expressed in HEK293 mammalian cells with His tag. The predicted molecular weight is 76.14 kDa and the accession number is EHH29920.1. |
| Species | Rhesus |
| Expression System | HEK293 Cells |
| Tag | C-His |
| Accession Number | EHH29920.1 |
| Synonyms | CD22 molecule |
| Construction | Ser20-Arg686 |
| Protein Purity | > 95% as determined by Tris-Bis PAGE; > 95% as determined by HPLC |
| Molecular Weight | 76.14 kDa (Predicted); 100-120 kDa (Due to glycosylation) |
| Endotoxin | Less than 1EU per μg by the LAL method. |
| Formulation | Lyophilized from 0.22μm filtered solution in PBS (pH 7.4). Normally 8% trehalose is added as protectant before lyophilization. |
| Reconstitution | Reconstitute the lyophilized protein in distilled water. The product concentration should not be less than 100 μg/ml. Before opening, centrifuge the tube to collect powder at the bottom. After adding the reconstitution buffer, avoid vortexing or pipetting for mixing. |
| Stability & Storage | It is recommended to store recombinant proteins at -20°C to -80°C for future use. Lyophilized powders can be stably stored for over 12 months, while liquid products can be stored for 6-12 months at -80°C. For reconstituted protein solutions, the solution can be stored at -20°C to -80°C for at least 3 months. Please avoid multiple freeze-thaw cycles and store products in aliquots. |
| Shipping | In general, Lyophilized powders are shipping with blue ice. Solutions are shipping with dry ice. |
| Research Background | CD22, or cluster of differentiation-22, is a molecule belonging to the SIGLEC family of lectins. It is found on the surface of mature B cells and to a lesser extent on some immature B cells. CD22 a member of the immunoglobulin superfamily. CD22 functions as an inhibitory receptor for B cell receptor (BCR) signaling. It is also involved in the B cell trafficking to Peyer's patches in mice. |

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