Recombinant Murine Interleukin-21
Recombinant Murine Interleukin-21
Product Specifications
UniProt
Q9ES17
Source
Escherichia coli
Field of Research
Immunology & Inflammation
Endotoxin
Less than 0.1 EU/ug of rMuIL-21 as determined by LAL method.
Purity
> 98 % by SDS-PAGE and HPLC analyses.
Bioactivity
Fully biologically active when compared to standard. The ED50 as determined by a cell proliferation assay using human N1186 T cells is less than 25 ng/ml, corresponding to a specific activity of > 4.0 x104 IU/mg.
Form
Lyophilized from a 0.2 μm filtered concentrated solution in 2 x PBS, pH 7.4.
Molecular Weight
Approximately 15.0 kDa, a single non-glycosylated polypeptide chain containing 129 amino acids.
Storage Conditions
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.- 12 months from date of receipt, -20 to -70 °C as supplied.- 1 month, 2 to 8 °C under sterile conditions after reconstitution.- 3 months, -20 to -70 °C under sterile conditions after reconstitution.
Notes
For research use only.
AA Sequence
HKSSPQGPDR LLIRLRHLID IVEQLKIYEN DLDPELLSAP QDVKGHCEHA AFACFQKAKL KPSNPGNNKT FIIDLVAQLR RRLPARRGGK KQKHIAKCPS CDSYEKRTPK EFLERLKWLL QKMIHQHLS
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