Human IL18 / IL-18 Protein

分子别名（Synonym）:IGIF,IL-18,IL-1g,IL1F4,Interleukin 18 种属（Species）：Human 表达系统（Expressed Host）：E. coli 制剂（Buffer）：Lyophilized from sterile PBS, pH 7.4. 分子量（Molecule Mass）：The recombinant human IL18 consists 157 amino acids and predicts a molecular mass of 18.2 kDa. 内毒素（Endotoxin）：＜1.0 EU per μg by the LAL method. 生物活性(Activity)：Measured by its ability to induce IFN-gamma secretion by KG‑1 human acute myelogenous leukemia cells in the presence of TNF-alpha. The ED50 for this effect is typically 15-75 ng/ml. 表达区间（Protein Construction）：A DNA sequence encoding the human IL18 (NP_001553.1) (Tyr37-Asp193) was expressed. 存储条件（Storage）： For long term storage, the product should be stored at lyophilized state at -20℃ or lower.Please avoid repeated freeze-thaw cycles. No activity loss is observed after storage at:4-8℃ for 12 months in lyophilized state;-70℃ for 3 months under sterile conditions after reconstitution. 运输条件： In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.