别名：Pro-neuregulin-1; Neuregulin-1 beta 1; NRG1-beta 1; HRG1-beta 1; EGF;NRG1; GGF; HGL; HRGA; NDF; SMDF;Heregulinβ-1
基本信息：
| 表达系统 | 种属 | 内毒素 | 纯度 | 标签 |
| E.coli | Human | ≤0.01 EU/μg | ≥95% | Tag free |
| Source | E.coli |
| Description
|
Human NRG1 (S177-E241)
Accession # NP_039250 |
| Predicted molecular mass | 7.5kDa |
| Appearance | White powder, Colorless clear liquid after reconstitution |
| Purity | ≥95%, by SDS-PAGE (under conditions, visualized by Coomassie staining) |
| Endotoxin | ≤0.01EU/μg by the LAL method |
| Activity | Measured in a cell proliferation assay using MCF-7 breast cancer cell line.The ED50 for this effect is 1-8 ng/mL. |
| Formulation | Lyophilized from a 0.22 μm-filtered solution containing 10mM PB, 5% Trehalose and 0.01% Tween 80, pH7.4 |
| 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. |
数据展示：
Bioactivity
Measured in a serum-free cell proliferation assay using MCF-7 human breast cancer cells.