Tested using: T11 cell proliferation OR. TF-1 cell proliferation. Less than or equal to 2.5 ng/mL and greater than or equal to 4.0 x 10^5 units/mg OR. Less than or equal to 10 ng/mL and greater than or equal to 1.0 x 10^5 units/mg.
Endotoxin
Less than 1.0 EU/µg protein (determined by LAL method).
Presentation
Lyophilized from a sterile (0.2 micron) filtered aqueous solution containing 0.1% Trifluoroacetic Acid (TFA)
Reconstitution
Reconstitute in sterile water to 0.1 mg/ml
Storage
Store at -20°C to -80°C for up to 1 year. Store at 4°C for up to 1 month or up to 3 months at -20°C to -80°C after reconstitution.