Recombinant Human IL-1R2/IL-1 RII/CD121b Protein is expressed from HEK293 with hFc tag at the C-Terminus.It contains Phe14-Glu343.
纯度
> 95 % as determined by Tris-Bis PAGE
过滤
0.22 μm filtered
内毒素水平
Less than 1EU per μg by the LAL method.
Biological Activity Comment
Immobilized Human IL-1 Beta, His Tag at 5μg/ml (100μl/Well) on the plate. Dose response curve for Human IL-1R2, hFc Tag with the EC50 of 0.22μg/ml determined by ELISA. The affinity constant of 0.88 nM as determined in SPR assay (Biacore T200). See testing image for detail.
Crystallography grade
IL1R2
宿主: 人
宿主: Insect Cells
Recombinant
>95 % as determined by SDS PAGE, Size Exclusion Chromatography and Western Blot.
SDS, WB, ELISA, Crys
限制
仅限研究用
状态
Lyophilized
溶解方式
Centrifuge the tube before opening. Reconstituting to a concentration more than 100 μg/mL is recommended. Dissolve the lyophilized protein in distilled water.
缓冲液
Lyophilized from 0.22μm filtered solution in PBS ( pH 7.4). Normally 8 % trehalose is added as protectant before lyophilization.
储存条件
-20 °C,-80 °C
储存方法
-20 to -80°C for 12 months as supplied from date of receipt., -80°C for 3-6 months after reconstitution., 2-8°C for 2-7 days after reconstitution., Recommend to aliquot the protein into smaller quantities for optimal storage. Please minimize freeze-thaw cycles.
CD121b Protein, CDw121b Protein, IL-1R-2 Protein, IL-1RT-2 Protein, IL-1RT2 Protein, IL1R2c Protein, IL1RB Protein, Il1r-2 Protein, IL-1R2 Protein, interleukin 1 receptor type 2 Protein, interleukin 1 receptor, type II Protein, interleukin-like Protein, IL1R2 Protein, Il1r2 Protein, KK34 Protein
背景
The IL-1 type II receptor (decoy RII) is a nonsignaling molecule the only established function of which is to capture IL-1 and prevent it from interacting with signaling receptor. The decoy RII is released in a regulated way from the cell surface.
分子量
64.4 kDa. Due to glycosylation, the protein migrates to 70-80 kDa based on Tris-Bis PAGE result.