货号:A2900780
同义名:
重组人IL-15蛋白(E.coli, tag free)
/ Recombinant Human IL-15; Interleukin-15
Recombinant Human IL-15是人源白细胞介素15蛋白,在大肠杆菌中表达,为无标签形式。该蛋白是一种调节T细胞和自然杀伤细胞活化与增殖的细胞因子,高亲和力结合IL-15RAα亚基,同时结合IL-2受体的β和γ链但不结合α亚基,与IL-2在结构和功能上相关但具有独特免疫作用,主要由单核细胞、巨噬细胞和树突状细胞等组成性表达。


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| 描述 | Human Interleukin 15 (IL-15) is a cytokine that regulates T cell and natural killer cell activation and proliferation. IL-15 binds to the alpha subunit of the IL15 receptor (IL-15RA) with high affinity. IL-15 also binds to the beta and gamma chains of the IL-2 receptor, but not the alpha subunit of the IL2 receptor. IL-15 is structurally and functionally related to IL-2. Both cytokines share some subunits of receptors, allowing them to compete for and negatively regulate each other's activity. The number of CD8+ memory T cells is controlled by a balance between IL-15 and IL-2. Despite their many overlapping functional properties, IL-2 and IL-15 are, in fact, quite distinct players in the immune system. IL-15 is constitutively expressed by a wide variety of cell types and tissues, including monocytes, macrophages and DCs. Mature Human IL-15 shares 70% amino acid sequence identity with Mouse and Rat IL-15. |
| 蛋白种属 | Human |
| 表达系统 | E.coli |
| 标签 | Tag free |
| 蛋白表达区间 | Asn49-Ser162 |
| 蛋白编号 | P40933 |
| 内毒素 | < 0.01 EU/µg as determined by LAL test. |
| 剂型 | 干粉 |
| 剂型描述 | Lyophilized from a 0.2 μm filtered solution of 20mM PB, 150mM NaCl, pH 7.0. |
| 复溶 | Always centrifuge tubes before opening.Do not mix by vortex or pipetting. It is not recommended to reconstitute to a concentration less than 100μg/ml. Dissolve the lyophilized protein in distilled water. Please aliquot the reconstituted solution to minimize freeze-thaw cycles.如要长期保存,建议使用含载体蛋白(如 0.1%BSA、10%FBS、5%HSA)的溶液进一步稀释,如果是做无血清培养或者动物体内实验时,细胞因子中不能含有BSA、FBS 和 HAS,可以使用海藻糖作为载体,然后分装冻存于-20℃至-80℃。注:分装保存时建议使用低吸附的管子,并避免反复冻融;稀释分装浓度不低于 10μg/mL,分装体积不低于10μL。 分装后的蛋白在≤-20°C 下可稳定保存 3 个月。 |
| CAS号 | N/A |
| 分子量 | 12.5 KDa |
| SMILES Code | NONE |
| 别名 | 重组人IL-15蛋白(E.coli, tag free) ;Recombinant Human IL-15; Interleukin-15; IL-15; IL15 |
| 运输 | 蓝冰 |
| 存储条件 |
In solvent -20°C: 3-6个月 -80°C: 12个月 Pure form Sealed in dry, store in freezer, under -20°C |
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