產品詳情
簡單介紹：
重組大鼠白細胞介素3 beta蛋白與其它公司提供的重組蛋白不同，rRtIL-3β蛋白產品為采用CFS的無細胞麥胚蛋白合成系統(tǒng)表達出來的重組蛋白，可表達出對細胞有毒性、易被蛋白酶降解的蛋白；并獲得具有良好的可溶性，并有翻譯后修飾、從而部分具有功能的蛋白.同時獨有的全自動蛋白純化技術則簡便高效，將蛋白純化過程中對蛋白的損傷降低到*小程度.重組大鼠白細胞介素3 beta蛋白（全長序列）產品可用于Western Blot驗證、抗體制備、蛋白檢測、ELISA等試驗中.
詳情介紹：
重組大鼠白細胞介素3 beta蛋白
| Synonyms | Hematopoietic Growth Factor, MCGF, Multipotential Colony-stimulating Factor, P-cell-stimulating Factor. |
| Species | Rat |
| Accession | P97688 |
| GeneID | 24495 |
| Source | Escherichia coli. |
| Molecular Weight | 重組大鼠白細胞介素3 beta蛋白Approximately 16.3 kDa, a single non-glycosylated polypeptide chain containing 144 amino acids. |
| Quantity | 5μg/20μg/1000μg |
| AA Sequence | MISDRGSDAH HLLRTLDCRT IALEILVKLP YPQVSGLNNS DDKANLRNST LRRVNLDEFL KSQEEFDSQD TTDIKSKLQK LKCCIPAAAS DSVLPGVYNK DLDDFKKKLR FYVIHLKDLQ PVSVSRPPQP TSSSDNFRPM TVEC |
| Purity | > 95 % by SDS-PAGE and HPLC analyses. |
| Biological Activity | 重組大鼠白細胞介素3 beta蛋白Fully biologically active when compared to standard. The ED50 as determined by a cell proliferation assay using murine MC-9 cells is less than 10 ng/ml, corresponding to a specific activity of > 1.0 × 105 IU/mg. |
| Physical Appearance | Sterile Filtered White lyophilized (freeze-dried) powder. |
| Formulation | Lyophilized from a 0.2 μm filtered concentrated solution in PBS, pH 7.4. |
| Endotoxin | Less than 1 EU/μg of rRtIL-3β as determined by LAL method. |
| Reconstitution | 重組大鼠白細胞介素3 beta蛋白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. |
| Storage | 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. |
| 重組大鼠白細胞介素3 beta蛋白 | |
| SDS-PAGE |
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| Reference |
1. Yang YC, Ciarletta AB, Temple PA, et al. 1986. Cell. 47:3-10. 2. Otsuka T, Miyajima A, Brown N, et al. 1988. J Immunol. 140:2288-95. 3. Cohen DR, Hapel AJ, Young IG. 1986. Nucleic Acids Res. 14:3641-58. 4. Esandi MC, van Someren GD, Bout A, et al. 1998. Gene Ther. 5:778-88. 5. Dorssers L, Burger H, Bot F, et al. 1987. Gene. 55:115-24. |
| Background | Interleukin-3 (IL-3) is a type of biological signal (cytokine) which is encoded by the IL-3 gene located on chromosome 5 and produced primarily by activated T cells beside human thymic epithelial cells, activated murine mast cells, murine keratinocytes and neurons/astrocytes. It exerts its biological activities through binding to Interleukin-3 receptors included α and β subunits, but sequence analysis revealed a number of features indicative of the presence of only one β-subunit in the rat. Interleukin-3 acts in hematopoiesis by controlling the production, differentiation, and function of 2 related white cell populations of the blood, the granulocytes and the monocytes-macrophages. Furthermore, rat and human IL-3 share low homology and have not cross species activity. |
