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產品概述
產品信息
| 別名 | ICIL-1RA, IRAP, IL-1RN |
| 物種 | Human |
| 表達宿主 | E.coli |
| 序列信息 | MRPSGRKSSKMQAFRIWDVNQKTFYLRNNQLVAGYLQGPNVNLEEKIDVVPIEPHALFLGIHGGKMCLSCVKSGDETRLQLEAVNITDLSENRKQDKRFAFIRSDSGPTTSFESAACPGWFLCTAMEADQPVSLTNMPDEGVMVTKFYFQEDE with polyhistidine tag at the C-terminus. |
| 檢索號 | P18510 |
| 分子量 | 18.07 kDa |
| 表觀分子量 | 19 kDa |
| 標簽 | His-tag?at?the?C-terminus |
| 生物活性 | Measure by its ability to inhibit IL-1 alpha -dependent proliferation in D10.G4.1 cells.The ED50 for this effect is <50 ng/mL. |
產品特性
| 純度 | >98% as determined by SDS-PAGE. Ni-NTA chromatography |
| 內毒素 | <0.1 EU per 1 μg of the protein by the LAL method. |
| 保存 | Lyophilized protein should be stored at -5~-20°C for 1 year. Upon reconstitution, store at 2-8°C for up to 1 week. Further dilute in a buffer containing a carrier protein or stabilizer (e.g.0.1% BSA,10%FBS,5%HSA or 5% trehalose solution), protein aliquots should be stored at -5~-20°C or -80°C for 3-6 months. |
| 運輸 | Ambient temperature or ice pack. |
| 制劑 | The protein was lyophilized from a 0.2 μm filtered solution containing 1X PBS, pH 7.4. |
| 復融 | It is recommended to reconstitute the lyophilized protein in sterile water to a concentration not less than 100 μg/mL.Do Not Vortex! Vigorous shaking may impair the biological activity of the protein. |
背景介紹
The interleukin-1 receptor antagonist (IL-1RA) is a protein that in humans is encoded by the IL1RN gene. IL-1RA was initially called the IL-1 inhibitor and was discovered separately in 1984 by two independent laboratories. IL-1RA is an agent that binds non-productively to the cell surface interleukin-1 receptor (IL-1R), the same receptor that binds interleukin 1 (IL-1), preventing IL-1 from sending a signal to that cell.
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