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产品规格
物种
Human分子别名
IL4; IL-4; interleukin 4; MGC79402; pitrakinra; B cell growth factor 1; BCDF; BCGF1; BCGF-1; binetrakin; BSF1; BSF-1; BSF-1Accession
P05112-1表达序列
His25-Ser153
表达宿主
HEK293分子量
The protein has a predicted MW of 14.96 kDa. Due to glycosylation, the protein migrates to 23-25 kDa based on Bis-Tris PAGE result.纯度
> 95% as determined by Bis-Tris PAGE& HPLC内毒素含量
<1EU/μg活性
Measured in a cell proliferation assay using TF‑1 human erythroleukemic cells. The ED50 for this effect is 0.01-0.35 ng/mL标记
Unconjugated标签
No Tag性状
Lyophilized Powder缓冲体系
PBS (pH 7.4). Normally 8% trehalose is added as protectant before lyophilization.
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.
3 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.
背景介绍
Interleukin-4, also known as IL4, is a secreted protein which belongs to the IL-4 / IL-13 family. Interleukin-4 / IL4 has many biological roles, including the stimulation of activated B-cell and T-cell proliferation.In the presence of IL-4 and IL-13, cytokines that are produced in a Th-2 type response, particularly during allergy and parasitic infections, macrophages become differentially activated, And this cytokine is a ligand for interleukin 4 receptor.







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