Specifications

• Source:
  E. coli
• Species:
  Rat
• Storage conditions:
  Store at 4 °C for up to two weeks. For long term storage, aliquot and store at −20 °C, avoid freeze/thaw cycles.
• Biological activity:
  Measured by its ability to inhibit IL21dependent proliferation of N1186 human T cells. The ED50 for this effect is typically 1-5ug/mL in the presence of 50 ng/mL of recombinant mouse IL21. Less than 1EU/ug of rRtIL21 as determined by LAL method.
• Protein synonyms:
  IL 21
• Protein/peptide name:
  IL21
• Purity:
  >95% pure by SDS-PAGE and HPLC analyses.
• Molecular weight:
  15.2 kDa
• Sequence:
  HKSSPQRPDH LLIRLRHLM D IVEQLKIY EN DLDPELL TAP QDVKGQ CEHE AFACF QKAKL KPSN TGNNKT FIN DLLAQLR RR LPAKRTGN K QRHMAKCPS CDLYEKKTPK EFLERLKWL L QKMIHQHL S
• Formulation:
  Sterile Filtered White lyophilized (freeze-dried) powder. We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom.
• Tested applications:
  SDS-PAGE , HPLC , FuncS