CNTF Protein LS-G3619 is Recombinant Human CNTF in E. coli It is biologically active and is low in endotoxin Less than 0.01 ng/µg of protein (Less than 0.1 EU/µg)..
Greater than 98% by SDS-PAGE and HPLC
Determined by its ability to stimulate proliferation of human TF-1 cells using an ED50 concentration range of 50-150 ng/ml.
Less than 0.01 ng/µg of protein (Less than 0.1 EU/µg).
If lyophilized, can be stored for 1 month at room temperature, 6 months at 4°C, or through the expiration date at -20°C to -80°C. Once reconstituted per the supplied instructions, can be stored for 3 months at -20°C to -80°C, or for 1 week at 2°C to 8°C. Avoid freeze-thaw cycles.
For research use only.