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Recombinant Rat IL2/IL-2/Interleukin-2 Protein (His tag)
SKU: PDER100055-100
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Recombinant Rat IL2/IL-2/Interleukin-2 Protein (His tag)
| SKU # | PDER100055 |
| Expression Host | E. coli |
Description
| Synonyms | POIL, Aldesleukin, Interleukin-2, Involved in regulation of T cell clonal expansion, POIL2, T-cell growth factor, IL 2, IL2, lymphokine, TCGF, interleukin 2, T cell growth factor, Il-2 |
| Species | Rat |
| Expression Host | E.coli |
| Sequence | Ala 21-Gln 155 |
| Accession | P17108 |
| Calculated Molecular Weight | 14.7 kDa |
| Observed Molecular Weight | 15 kDa |
| Tag | C-His |
| Bio-activity | Not validated for activity |
Properties
| Purity | > 95 % as determined by reducing SDS-PAGE. |
| Endotoxin | Please contact us for more information. |
| Storage | Generally, lyophilized proteins are stable for up to 12 months when stored at -20 to -80℃. Reconstituted protein solution can be stored at 4-8℃ for 2-7 days. Aliquots of reconstituted samples are stable at < -20℃ for 3 months. |
| Shipping | This product is provided as lyophilized powder which is shipped with ice packs. |
| Formulation | Lyophilized from sterile PBS, pH 7.4. Normally 5% - 8% trehalose, mannitol and 0.01% Tween 80 are added as protectants before lyophilization. Please refer to the specific buffer information in the printed manual. |
| Reconstitution | It is recommended that sterile water be added to the vial to prepare a stock solution of 0.5 mg/mL. Concentration is measured by UV-Vis |
Background
Interleukin-2(IL-2)is a O-glycosylated four α-helix bundle cytokine that has potent stimulatory activity for antigenactivated T cells. It is expressed by CD4+ and CD8+ T cells, γδ T cells, B cells, dendritic cells, and eosinophils. Mature rat IL-2 shares 66% and 73% amino acid sequence identity with human and mouse IL-2,respectively. The receptor for IL-2 consists of three subunits that are present on the cell surface in varying preformed complexes. IL-2 is a powerful immunoregulatory lymphokine produced by T-cells in response to antigenic or mitogenic stimulation. IL-2/IL-2R signaling is required for T-cell proliferation and other fundamental functions that are essential for the immune response. IL-2 stimulates growth and differentiation of B-cells, NK cells, lymphokine-activated killer cells, monocytes, macrophages and oligodendrocytes.