产品介绍
| Name Human tumor necrosis factor alpha (TNFα) Description Recombinant human TNF-α produced in yeast is a single, glycosylated, polypeptide chain containing 157 amino acids, two pairs of disulfide bonds and having a molecular mass of approximately 17.4kD. Source Yeast Activity Measured in a cell apoptosis assay using L929 cell line. The specific activity shall be not less than 5 x107 IU/mg. Purity > 97% (by SDS-PAGE and HPLC) Endotoxin <1 EU per mg of purified protein by LAL test Size 25 µg |