别名：Activin beta-A chain; Erythroid differentiation protein; EDF
基本信息：
| 表达系统 | 种属 | 内毒素 | 纯度 | 标签 |
| CHO | Human | ≤0.01 EU/μg | ≥95% | Tag free |
| Source | Chinese Hamster Ovary cell line |
| Description |
Human Activin A (Gly311-Ser426) Accession # P08476 |
| Predicted molecular mass | 12.9 kDa |
| Appearance | White powder, Colorless clear liquid after reconstitution |
| Purity |
≥95%, by SDS-PAGE (under reducing (R) & Non-reducing conditions, visualized by Coomassie staining) |
| Endotoxin | ≤0.01EU/μg by the LAL method |
| Formulation | Lyophilized from a 0.22 μm-filtered solution containing 0.085% TFA,30%ACN, 5% mannitol, pH 2.5 |
| Reconstitution | It is recommended to redissolve in 4mM HCl. |
| 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. |
数据展示：
Bioactivity
Determined by its ability to inhibit the proliferation of mouse MPC-11 cells.
The expected ED50 is ≤ 2.0 ng/ml, corresponding to a specific activity of ≥ 5 x 105 units/mg.