产品名称Recombinant Murine Interleukin-21

来源种属Escherichia coli.

纯化> 98 % by SDS-PAGE and HPLC analyses.

生物活性Fully biologically active when compared to standard. The ED50 as determined by a cell proliferation assay using human N1186 T cells is less than 25 ng/ml, corresponding to a specific activity of > 4.0 x10⁴ IU/mg.

内毒素Less than 0.1 EU/ug of rMuIL-21 as determined by LAL method.

UniprotQ9ES17

Gene ID60505

计算分子量Approximately 15.0 kDa, a single non-glycosylated polypeptide chain containing 129 amino acids.

序列HKSSPQGPDR LLIRLRHLID IVEQLKIYEN DLDPELLSAP QDVKGHCEHA AFACFQKAKL KPSNPGNNKT FIIDLVAQLR RRLPARRGGK KQKHIAKCPS CDSYEKRTPK EFLERLKWLL QKMIHQHLS

配方Lyophilized from a 0.2 μm filtered concentrated solution in 2 x PBS, pH 7.4.

保存Use a manual defrost freezer and avoid repeated freeze-thaw cycles. - A minimum of 12 months from date of receipt, when stored at ≤-20 ˚C as supplied. - 1 month, 2 to 8 ˚C under sterile conditions after reconstitution. - 3 months, -20 to -70 ˚C under sterile conditions after reconstitution.