< 0.2 EU per 1 ug of protein (determined by gel clotting method)
Activity:
The ED50 was determined on Ca2+ mobilization assay in CHO-K1/mCXCR2 (mouse CXCR2 stably expressed in CHO-K1 cells) is < 200.0 ng/mL.
Recommend Usage:
Reconstitute the lyophilized powder in ddH?O or PBS up to 100 ug/mL.
Storage Buffer:
Lyophilized from a 0.2 μm filtered solution in PBS.
Storage Instruction:
Upon reconstitution, store at 4°C for up to 1 week or store at -20°C up to 3 months. For long term storage it is recommended that a carrier protein (example 0.1% BSA) be added. Aliquot to avoid repeated freezing and thawing.