中文名：重组人NRG1 Beta 1(大肠杆菌表达)
Characteristics:
Source E.col.
Description Human NRG1 (S177-E241) Accession # NP_039250
Predicted molecular 7.5kDa
Mass
Specification:
Appearance White powder, Colorless clear liquid after reconstitution
Purity ≥95%, by SDS-PAGE (under conditions, visualized by Coomassie staining)
Endotoxin ≤10 EU/mg 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.
Size 10 μg/vial, 50μg /vial, 1 mg/vial
Handling and Storage:
Reconstitution It is recommended to redissolve in sterile deionized water.
Shipping The product is shipped with blue ice.
Storage & Stability 36 months at -20°C to -80°C in lyophilized state6 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
reconstitutionUse a manual defrost freezer and avoid repeated freeze-thaw cycles.
Bioactivity:
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Measured in a serum-free cell proliferation assay using MCF-7 human breast cancer cells.
