Product Name: | Recombinant Rat Leptin (E. coli) |
Catalog Number: | M15039 |
Solubility: | Reconstitute the lyophilized powder in ddH2O up to 100 μg/ml. |
Storage: | Stable for up to 6 months at lower than -70°C. Upon reconstitution, the product should be stable for up to 1 week at 4°C or up to 3 months at -20°C. |
QC Standard: | >95% , Endotoxin < 0.2 EU/μg |
Description: | Leptin is a cytokine belonging to the Interleukin 6 family, and has a four-helix bundle structure. Leptin also has effects on reproduction and immunity. ED50 < 10.0 µg/ml, measured by a cell proliferation assay using LoVo cells, corresponding to a specific activity of > 100.0 units/mg. |
Stability and Solubility Advice: | Information concerning product stability, particularly in solution, has rarely been reported and in most cases we can only offer a general guide. We recommend that stock solutions, once prepared, are stored aliquoted in tightly sealed vials and used within 1 month. Avoid repeated freeze and thaw cycles. Storage conditions for some special products should refer to their storage details. |