500μg / 50μg / 10μg / 1mg

Mouse

E.coli

MHKSSPQGPDRLLIRLRHLIDIVEQLKIYENDLDPELLSAPQDVKGHCEHAAFACFQKAKLKPSNPGNNKTFIIDLVAQLRRRLPARRGGKKQKHIAKCPSCDSYEKRTPKEFLERLKWLLQKMIHQHLS with polyhistidine tag at the C-terminus.

MHKSSPQGPDRLLIRLRHLIDIVEQLKIYENDLDPELLSAPQDVKGHCEHAAFACFQKAKLKPSNPGNNKTFIIDLVAQLRRRLPARRGGKKQKHIAKCPSCDSYEKRTPKEFLERLKWLLQKMIHQHLS with polyhistidine tag at the C-terminus.

Q9ES17.1

15.9 kDa

16 kDa

His-tag at the C-terminus

Measure by its ability to enhance IFN gamma secretion in NK-92 cells. The ED50 for this effect is < 6 ng/mL. The specific activity of recombinant mouse IL-21 is > 1.6 × 10^5 IU/mg.

> 95% as determined by SDS-PAGE. Ni-NTA chromatography.

< 0.1 EU/μg

The protein was lyophilized from a 0.2 μm filtered solution containing 1 × PBS, pH 7.4.

It is recommended to reconstitute the lyophilized protein in sterile water to a concentration not less than 100 μg/mL. Do Not Vortex! Vigorous shaking may impair the biological activity of the protein.

Lyophilized protein should be stored at -5~-20℃ for 1 year. Upon reconstitution,store at 2-8℃ for up to 1 week. Further dilute in a buffer containing a carrier protein or stabilizer (e.g. 0.1% BSA, 10% FBS, 5% HSA or 5% trehalose solution), protein aliquots should be stored at -5~-20℃ or -80℃ for 3-6 months.

Ambient temperature or ice pack.

12个月

Interleukin-21 (IL21) belongs to the IL-15/IL-21 family. It is a cytokine with immunoregulatory activity. Cytokines are proteinaceous signaling compounds that are major mediators of the immune response. They control many different cellular functions including proliferation, differentiation and cell survival/apoptosis but are also involved in several pathophysiological processes including viral infections and autoimmune diseases. Interleukin-21 is a cytokine that has potent regulatory effects on cells of the immune system, including natural killer (NK) cells and cytotoxic T cells that can destroy virally infected or cancerous cells. This cytokine induces cell division/proliferation in its target cells.