Recombinant Mouse Interleukin 21 (IL21) is a purified Prokaryotic Protein. Purity: >80% by SDS-PAGE. Host: E. coli. Endotoxin Level: <1.0EU per 1ug, by the LAL method. Species: Mouse (Mus musculus). Target Name: Interleukin 21 (IL21). Target Synonyms: Za11. Accession Number: Q9ES17. Gene ID: 60505. Expression Region: Pro25~Ser146. Tag Info: N-terminal His and GST Tag. Theoretical MW: 47kDa. Buffer: PBS, pH7.4, containing 0.01% SKL, 5% Trehalose. Storage: -20C. Avoid repeated freeze/thaw cycles. Restrictions: For Research Use Only. Not for use in diagnostic procedures.