别名：Interferon-alpha1b; Interferon-α1b
基本信息：
| Source | E. coli. |
| Species | Human |
| Tag | Tag free |
| Description | Human IFN-α1b (Cys24-Glu189 with an N-terminal Met (A115V)) |
| Accession# | P01562 |
| Predicted molecular mass | ~19.5 kDa. It is composed of one non-glycosylated polypeptide chain containing 167 amino acids |
| Appearance | White powder, Colorless clear liquid after reconstitution |
| Purity | ≥95%, by SDS-PAGE (under reducing (R) & Non-reducing conditions, visualized by Coomassie staining) |
| Endotoxin | < 0.1 EU/μg |
| Activity | The specific activity determined by an anti-viral assay is no less than 1.0×10^8 IU/mg. |
| Formulation | 0.2 μm-filtered solution containing 20 mM PB, with 300 mM NaCl, 5% (v/v) Trehalose 0.01% (v/v) Tween-80, 1mM DTT. |
| Reconstitution | It is recommended to redissolve in sterile deionized water. 细胞因子溶解、稀释、保存可使用即用型专用溶剂套装—PWL240（1mL无菌水+10mL稀释液） |
| Shipping | Wet ice (seasonal) |
| Storage&Stability
|
36 months at -20°C to -80°C in lyophilized state
6 months at -20°C to -80°C under sterile conditions after reconstitution 7-10 days at 2°C to 8°C under sterile conditions after reconstitution Use a manual defrost freezer and avoid repeated freeze-thaw cycles. |