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| 品牌 | absin | 貨號 | abs00889 |
|---|---|---|---|
| 規格 | 2ug | 供貨周期 | 一周 |
| 概述 | |
|---|---|
| 種屬 | Human |
| 形態 | Lyophilized from a 0.2 μm filtered concentrated solution in PBS, pH 7.4. |
| 來源 | Escherichia coli. |
| 氨基酸序列 | TLCGAELVDA LQFVCGDRGF YFNKPTGYGS SSRRAPQTGI VDECCFRSCD LRRLEMYCAP LKPAKSA |
| 內毒素水平 | Less than 50 EU/mg of Recombinant HumanDES1-3 IGF-1 as determined by LAL method. |
| 活性 | Fully biologically active when compared to standard. The ED50 as determined by a cell proliferation assay using serum free human MCF-7 cells is less than 2 ng/ml, corresponding to a specific activity of > 5.0 × 105 IU/mg. |
| Accession # | P05019 |
| 預期分子量 | Approximay 7.4 kDa, a single non-glycosylated polypeptide chain containing 67 amino acids. |
| 性能 | |
|---|---|
| 溶解方法 | We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in 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 °C. Further dilutions should be made in appropriate buffered solutions. |
| 保存方法 | This lyophilized preparation is stable at 2-8 °C, but should be kept at -20 °C for long term storage, preferably desiccated. Upon reconstitution, the preparation is stable for up to one week at 2-8 °C. For maximal stability, apportion the reconstituted preparation into working aliquots and store at -20 °C to -70 °C. Avoid repeated freeze/thaw cycles. |
| 純度 | > 97 % by SDS-PAGE and HPLC analyses. |
| Gene IDs | 3479 |
| 參考文獻 | |
|---|---|
| 1. Ross M, Francis GL, Szabo L, et al. 1989. Biochem J, 258: 267-72.<br/>2. Kummer A, Pulford BE, Ishii DN, et al. 2003. Int J Exp Diabesity Res, 4: 45-57. | |
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