The activity is calculated by the ability to chemoattractHuman lymphocytes using a concentration of 0.1-1 ng/ml.
Purity
>97% as determined by RP-HPLC and SDS-PAGE.
Product Form
Lyophilized
Concentration
500 µg/ml
Formulation
Lyophilized from 20 mM Phosphate Buffered Saline, pH 7.4, with 100 mM Sodium Chloride.
Storage
Shipped at ambient temperature. Lyophilized: Short term (3 weeks) store at 25°C. Long term store desiccated below -18°C. Reconstituted: Short term (2-7 days) store at 4°C. Long term store below -18°C, it is recommended to add a carrier protein (0.1% HSA or BSA). Avoid freeze/thaw cycles.
