产品名称Recombinant Rat Interleukin-4

来源种属Escherichia coli.

纯化> 95 % 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 rat splenocytes is less than 1.0 ng/ml, corresponding to a specific activity of > 1.0 x10⁶ IU/mg.

内毒素Less than 1 EU/ug of rRtIL-4 as determined by LAL method.

别名B-cell IGG Differentiation Factor, B-cell Growth Gactor 1, BSF-1, Lymphocyte Stimulatory Factor 1

UniprotP20096

Gene ID287287

计算分子量Approximately 14.0 kDa, a single non-glycosylated polypeptide chain containing 125 amino acids.

序列HGCNDSPLRE IINTLNQVTE KGTPCTEMFV PDVLTATRNT TENELICRAS RVLRKFYFPR DVPPCLKNKS GVLGELRKLC RGVSGLNSLR SCTVNESTLT TLKDFLESLK SILRGKYLQS CTSMS

配方Lyophilized from a 0.2 μm filtered concentrated solution in PBS, pH 7.4, 5% trehalose.

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.