| 货号 | 规格 | 价格 |
|---|---|---|
| FL143 | ||
| 10μg | ¥198.00 | |
| 50μg | ¥498.00 | |
| 100μg | ¥838.00 | |
| 1mg | ¥3780.00 |
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| Appearance | Sterile filtered White lyophilized (freeze-dried) powder. |
|---|---|
| Purity | > 98% by SDS-PAGE or HPLC. |
| Endotoxin | < 0.01 EU/μg of rHuIL-2 protein as determined by LAL method. |
| Expression System | Expressed in E. coli. |
| Species | Human |
| Tag | Tag free. |
| Activity | The ED50 as determined by the dose-dependent stimulation of murine CTLL-2 cells is ≤ 0.1 ng/ml, corresponding to a specific activity of ≥ 1×10^7 units/mg. |
| Formulation | Lyophilized from a 0.2 μm filtered concentrated solution in 20 mM PB, pH 3.5. |
| Reconstitution | Before use this product, please read the direction below carefully. This vial must be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in a sterile distilled water or aqueous buffer containing 0.1% BSA to a concentration of 0.1-1.0 mg/ml. Stock solutions should be apportioned into working aliquots and stored at ≤ -20℃. Further dilutions should be made in appropriate buffered solutions. |
| Accession # | P60568 Ala21-Thr153 with an N-terminal Met |
|---|---|
| Amino acid sequence | MAPTSSSTKKTQLQLEHLLLDLQMILNGINNYKNPKLTRMLTFKFYMPKKATELKHLQCLEEELKPLEEVLNLAQSKNFHLRPRDLISNINVIVLELKGSETTFMCEYADETATIVEFLNRWITFCQSIISTLT |
| Molecular weight | Approximately 15.5 kDa, a single non-glycosylated polypeptide chain containing 134 amino acids. |
| Stability & Storage | Shipped on wet ice. For long term storage, the product should be stored ≤ -20℃. Please avoid repeated freeze-thaw cycles after reconstitution. 36 months from date of receipt, -20 to -70℃ as supplied. 1 month, 2 to 8℃ under sterile conditions after reconstitution. 3 months, -20 to -70℃ under sterile conditions after reconstitution. |
| Precautions | Recombinant Human IL-2 is for research use only and not for use in diagnostic or therapeutic procedures. |
| 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. Recombinant Human IL-2 is a 15.5 kDa protein, containing 134 amino acid including one intrachain disulfide bond. |
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