产品名称Recombinant Rat Tumor Necrosis Factor-alpha/TNFSF2

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 cytotoxicity assay using murine L929 cells is less than 0.05 ng/ml, corresponding to a specific activity of > 2.0 x10⁷ IU/mg in the presence of actinomycin D.

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

别名Tumor Necrosis Factor, TNFSF2, Cachectin, Differentiation-inducing Factor , DIF, Necrosin, Cytotoxin

UniprotP16599

Gene ID24835

计算分子量Approximately 17.2 kDa, a single non-glycosylated polypeptide chain containing 156 amino acids.

序列LRSSSQNSSD KPVAHVVANH QAEEQLEWLS QRANALLANG MDLKDNQLVV PADGLYLIYS QVLFKGQGCP DYVLLTHTVS RFAISYQEKV SLLSAIKSPC PKDTPEGAEL KPWYEPMYLG GVFQLEKGDL LSAEVNLPKY LDITESGQVY FGVIAL

配方Lyophilized from a 0.2 μm filtered concentrated solution in 20 mM PB, pH 7.2, 150 mM NaCl.

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.