• Source： Chinese Hamster Ovary cell line
• Description： Bovine Transferrin (Asp20-Pro704)，with a C-terminal 6-His tag Accession # Q29443
• Predicted molecular mass： 76.7 kDa
• Purity： ≥95%, by SDS-PAGE (under reducing (R) & Non-reducing conditions,visualized by Coomassie staining)
• Endotoxin： ≤10 EU/mg by the LAL method
• Activity： Measured in a serum-free cell proliferation assay using MDCK canine kidney epithelial cells. The ED50 for this effect is 0.5-2 μg/mL. Optimal concentration depends on cell type as well as the application or research objectives.
• Formulation： Lyophilized from a 0.2 μm filtered solution in sterile water.
• Appearance： Red powder, red clear liquid after reconstitution
• 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 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.