别名：Fibroblast growth factor 19; FGF-19; FGF19
基本信息：
| 表达系统 | 种属 | 内毒素 | 纯度 | 标签 |
| E.coli | Human | ≤0.03 EU/μg | ≥95% | Tag free |
| Source | E.coli |
| Description
|
Human FGF-19 (F27-K216)
Accession # O95750 |
| Predicted molecular mass | 21.2kDa |
| Appearance | White powder, Colorless clear liquid after reconstitution |
| Purity | ≥95%, by SDS-PAGE (under reducing (R)&Non-reducing conditions, visualized by Coomassie staining) |
| Endotoxin | ≤0.03 EU/μg by the LAL method |
| Activity | Measured in a cell proliferation assay using murine NIH3T3 cells. The ED50 for this effect is ≤5μg/ml. |
| Formulation | Lyophilized from a 0.22 μm-filtered solution containing 20mM Sodium acetate,5% Trehalose and 0.01% Tween 80，pH2.5 |
| Reconstitution | It is recommended to redissolve in sterile deionized water. |
| 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. |