Fully biologically active when compared to standard. The biological activity determined by a chemotaxis bioassay using human T-lymphocytes is in a concentration range of 1.0-10ng/ml.

ARATNVGREC CLDYFKGAIP IRKLVTWFRT SVECPKDAIV FETVQGRLIC TDPKDKHVKK AIRHLKNQRL

8.1kD

Q9ERE0

Lyophilized powder may be stored at -20°C. Stable for 12 months at -20°C. Reconstitute with sterile PBS. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Reconstituted product is stable for 12 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.

Recombinant, E. coli

≥97% as determined by SDS-PAGE and HPLC.

Lyophilized from 0.2um filtered PBS, pH 7.4

This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.

Lyophilized from 0.2um filtered PBS, pH 7.4

≥97% as determined by SDS-PAGE and HPLC.