Interleukin-4, BCGF, BCDF, B cell stimulating factor, BSF-1
库存:
现货
规格:
10ug
种属来源
CHO
分子量
15kDa, observed by reducing SDS-PAGE
纯度
> 95% as analyzed by SDS-PAGE and HPLC.
内毒素水平
<0.2 EU/μg, determined by LAL method.
生物活性
ED50< 0.25 ng/ml, measured in a cell proliferation assay using TF-1 human erythroleukemic cells, corresponding to a specific activity of >4 x 106 units/mg
存储条件
Lyophilized recombinant porcine Interleukin 4 (IL-4) remains stable up to 6 months at -80°C from date of receipt. Upon reconstitution, rpIL-4 should be stable up to 1 week at 4°C or up to 2 months at -20°C.