| Catalog Number: | GX00376 |
| Swiss Prot： | Q02297.1 |
| Species: | Human |
| Expression System: | E.coli |
| Sequence: | Ser177-Lys241 |
| Tag: | No tag |
| Purity: | >92% |
| Endotoxin: | ＜1.0EU/ug |
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| Product Name: | Active Recombinant Human NRG1 Protein |
| Synonyms: | Pro-neuregulin-1; Neuregulin-1 beta 1; NRG1-beta 1; HRG1-beta 1; EGF; NRG1; GGF; HGL; HRGA; NDF; SMDF; Heregulin β-1; Heregulin; HRG |
| Catalog Number: | GX00376 |
| Swiss Prot: | Q02297.1 |
| Species: | Human |
| Expression System: | E.coli |
| Sequence: | Ser177-Lys241 |
| Tag: | No tag |
| Purity: | >92% |
| SDS Page: | 8 kDa |
| Endotoxin: | ＜1.0EU/ug |
| Carrier Free: | Yes |
| Animal Free: | Yes |
| Formulation: | Lyophilized from a 0.22 μm filtered solution of PBS, pH 7.4.Contact us for customized product form or formulation. |
| Description: | Recombinant Human NRG1 Protein is produced by E.coli expression system. The target Protein is expressed with Sequence (Ser177-Lys241) of (Accession Q02297.1) fused with a No tag |
| Activity: | Measured in a serum-free cell proliferation assay using MCF‑7 human breast cancer cells. The ED50 for this effect is 20‑100 ng/mL. |
| Reconstitution: | Centrifuge the vial before opening. Reconstitute to a concentration of 0.1-0.5 mg/mL in sterile distilled water. Avoid vortex or vigorously pipetting the protein. For long term storage, it is recommended to add a carrier protein or stablizer (e.g. 0.1% BSA, 5% HSA, 10% FBS or 5% Trehalose), and aliquot the reconstituted protein solution to minimize free-thaw cycles. 收到重组蛋白产品之后请检查蛋白冻干粉末是否贴于瓶底，如果粉末浮起，开盖之前请先低温离心。将蛋白用说明书中指定的缓冲液复溶至0.1-0.5 mg/mL（请注意蛋白复溶浓度不能低于0.1 mg/mL），室温平衡5-10 min保证充分溶解，复溶过程中请不要剧烈涡旋及吹打蛋白溶液。如需长期储存，建议复溶时添加载体蛋白或者稳定剂（如0.1% BSA, 5% HSA, 10% FBS 或者 5% 海藻糖），同时将复溶后的蛋白溶液按照需求进行分装，储存于-20°C至-80°C，随取随用，避免反复冻融。 |
| Storage: |
Store at -20℃.Store the lyophilized protein at -20℃ to -80 ℃ up to 1 year from the date of receipt. After reconstitution, the protein solution is stable at -20℃ for 3 months, at 2-8℃ for up to 1 week. |
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