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- P5903-20μg
- 2025年08月22日
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- 规格：
20μg
| 产品编号 | 产品名称 | 产品包装 | 产品价格 |
| P5903-20μg | Recombinant Murine IL-1RA | 20μg | 646.00元 |
| Species | Gene ID | Accession | Source | Length | MW | Tag |
| Mouse | 16181 | P25085 | E. coli | 152aa | 17.3kDa | － |
| About this Protein | |
| Name | Recombinant Murine IL-1RA (Recombinant Murine Interleukin-1 Receptor Antagonist Protein; rMuIL-1RA)；Recombinant Mouse IL-1RA ; 重组小鼠白细胞介素1受体拮抗剂 |
| Synonyms | IL-1F3; IL1RN; DIRA; ICIL-1RA; IL1F3; IL1RA; IL-1ra; IL-1ra3; IL1RN; IL-1RN; interleukin 1 receptor antagonist; IRAP; MVCD4 |
| Purity | >97% by SDS-PAGE and HPLC analyses. |
| Biological Activity | Fully biologically active when compared to standard. The ED50 as determined by inhibiting IL-1α-dependent proliferation of murine D10S cells is less than 50ng/ml, corresponding to a specific activity of >2.0×104IU/mg in the presence of 50pg/ml rHuIL-1α. |
| Physical Appearance | Sterile Filtered White lyophilized (freeze-dried) powder. |
| Formulation | Lyophilized from a 0.2μm filtered concentrated solution in PBS, pH7.4. |
| Endotoxin | Less than 1EU/μg of rMuIL-1RA as determined by LAL method. |
| Reconstitution | 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 0.1-1.0mg/ml. Stock solutions should be apportioned into working aliquots and stored at ≤-20℃. Further dilutions should be made in appropriate buffered solutions. |
| Category | Cytokine |
| Background | IL-1RA was initially called the IL-1 inhibitor which is encoded by the IL1RN gene and it is a member of the interleukin 1 cytokine family. IL-1RA is secreted by various types of cells including immune cells, epithelial cells, and adipocytes. IL-RA has functions of inhibiting the activity of interleukin-1 by binding to receptor IL1R1 and preventing its association with the coreceptor IL1RAP for signaling. IL-1RA is also used in the treatment of rheumatoid arthritis, an autoimmune disease in which IL-1 plays a key role. The murine IL-1RA is a single non-glycosylated polypeptide chain containing 152 amino acids and it has been shown to block the inflammatory responses induced by IL-1 both in vitro and in vivo. The protein shows 26% amino acid homology to IL-1β and 19% homology to IL-1α. It also shares 90%a.a. sequence identity with rat IL-1RA. |
| Amino Acid Sequence | RPSGKRPCKM QAFRIWDTNQ KTFYLRNNQL IAGYLQGPNI KLEEKIDMVP IDLHSVFLGI HGGKLCLSCA KSGDDIKLQL EEVNITDLSK NKEEDKRFTF IRSEKGPTTS FESAACPGWF LCTTLEADRP VSLTNTPEEP LIVTKFYFQE DQ |
包装清单:
| 产品编号 | 产品名称 | 包装 |
| P5903-20μg | Recombinant Murine IL-1RA | 20μg |
| P5903-100μg | Recombinant Murine IL-1RA | 100μg |
| P5903-1mg | Recombinant Murine IL-1RA | 1mg |
| - | 说明书 | 1份 |
保存条件:
-20℃或更低温度保存，至少一年有效。由于蛋白的每次冻融均会引起部分失活，所以首次配制成相应浓度的储存液后(请根据产品简介中Reconstitution一栏的信息配制储存液)，须分装后-20℃或更低温度冻存，以避免反复冻融。
注意事项:
由于有些塑料管壁对某些蛋白有较强的吸附作用，溶液中的蛋白很容易粘附在管壁上，并且粘附后的蛋白很难与管壁分离。而载体蛋白(Carrier protein，如0.1% BSA等)的主要作用是预先封闭塑料管壁上的蛋白结合位点，使细胞因子或重组蛋白不会粘附于管壁。所以一定要使用产品简介中Reconstitution一栏的信息配制储存液。
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