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物种
Mouse分子别名
Interleukin-13, T-cell activation protein P600, Il13Accession
P20109表达序列
Protein sequence (P20109, Ala19-Phe131, with N-His tag) APGPVPRSVSLPLTLKELIEELSNITQDQTPLCNGSMVWSVDLAAGGFCVALDSLTNISNCNAIYRTQRILHGLCNRKAPTTVSSLPDTKIEVAHFITKLLSYTKQLFRHGPF
表达宿主
HEK293分子量
Predicted MW: 14.6 kDa Observed MW: 15-33 kDa纯度
＞95% by SDS-PAGE内毒素含量
<0.1EU/μg标记
Unconjugated标签
with N-His tag性状
Lyophilized Powder缓冲体系
Lyophilized from a 0.2 μm filtered solution of 0.2M PBS, pH7.4 with 3% trehalose.
溶解方法
Reconstitute no more than 1 mg/mL according to the size in deionized water after rapid centrifugation.储存条件
12 months from date of receipt, -20 to -70 °C as supplied.
6 months, -20 to -70 °C under sterile conditions after reconstitution.
1 week, 2 to 8 °C under sterile conditions after reconstitution.
Please avoid repeated freeze-thaw cycles.
Interleukin 13 (IL-13) is a protein that in humans is encoded by the IL13 gene. The secondary structural features of IL-13 are similar to that of Interleukin 4 (IL-4); however it only has 25% sequence identity to IL-4 and is capable of IL-4 independent signaling. IL-13 is a cytokine secreted by T helper type 2 (Th2) cells, CD4 cells, natural killer T cell, mast cells, basophils, eosinophils and nuocytes. Interleukin-13 is a central regulator in IgE synthesis, goblet cell hyperplasia, mucus hypersecretion, airway hyperresponsiveness, fibrosis and chitinase up-regulation. It is a mediator of allergic inflammation and different diseases including asthma.
生物活性
Measured in a cell proliferation assay using TF‑1 human erythroleukemic cells. The ED50 for this effect is 13 ng/mL.
电泳
2μg（R: reducing conditions）
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