Activity has not been tested. It is theoretically active, but we cannot guarantee it. If you require protein activity, we recommend choosing the eukaryotic expression version first.

PSK-alpha Protein, Daucus carota, Recombinant (His & KSI) is expressed in E. coli.

Daucus carota

E. coli

Phytosulfokine-alpha

YIYTQ

1-5 aa

> 85% as determined by SDS-PAGE.

A Certificate of Analysis (CoA) containing reconstitution instructions is included with the products. Please refer to the CoA for detailed information.

Lyophilized powders can be stably stored for over 12 months, while liquid products can be stored for 6-12 months at -80°C. For reconstituted protein solutions, the solution can be stored at -20°C to -80°C for at least 3 months. Please avoid multiple freeze-thaw cycles and store products in aliquots.

In presence of 2,4-D, stimulates proliferation of the cells, but does not stimulate differentiation into the somatic embryos.