中文名
重组蛋白IL-4 Protein, Mouse, Tag free, E. coli
英文名
IL-4 Protein, Mouse, Tag free, E. coli
描述
IL-4 蛋白是一种多效性细胞因子，由 Th2 等免疫细胞分泌。IL-4 蛋白参与体液免疫、Th 细胞分化、过敏及炎症反应等多种过程。IL-4 蛋白在免疫应答和炎症反应中发挥着关键作用。
氨基酸序列
HGCDKNHLRE IIGILNEVTG EGTPCTEMDV PNVLTATKNT TESELVCRAS KVLRIFYLKH
GKTPCLKKNS SVLMELQRLF RAFRCLDSSI SCTMNESKST SLKDFLESLK SIMQMDYS
分子量
The protein has a predicted MW of 13 kDa. It migrates to 13-15 kDa band in SDS-PAGE under reducing conditions.
内毒素含量
<0.1 EU per 1 µg of the protein by the LAL method.
活性
Measured in a cell proliferation assay using HT‑2 mouse T cells. The ED50 for this effect is 0.300‑3.00 ng/mL.
组分
Lyophilized from sterile 20 mM PB, 150 mM NaCl, pH7.4.
复溶方法
Centrifuge tubes before opening. Reconstituting to a concentration more than 100 μg/ml is recommended. Dissolve the lyophilized protein in distilled water.
储存
Stored at -20 to -80°C for 12 months as supplied from date of receipt; 2-8°C for 2-7 days after reconstitution. Recommend to aliquot the protein into smaller quantities for optimal storage. Please avoid repeated freeze-thaw cycles.
关键词
Interleukin-4;B-cell IgG differentiation factor;B-cell growth factor 1;B-cell stimulatory factor 1;IGG1 induction factor;Lymphocyte stimulatory factor 1;IL-4;BSF-1
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