Active Recombinant Human IFNA2b

• Cat.No.: IFNA2-532H
• Product Overview: Active Recombinant Human IFNA2b(P01563)(24-188 aa) was expressed in E. coli.

Specification

• Species: Human
• Source: E. coli
• Tag: Non
• Protein Length: 24-188 aa
• Form: Lyophilized from a 0.2 µm filtered solution in PBS, pH 7.4.
• Bio-activity: Fully biologically active when compared to standard. The specific activity determined by an anti-viral assay is no less than 1.0 × 10^8 IU/mg.
• Molecular Mass: Approximately 19.4 kDa, a single non-glycosylated polypeptide chain containing 166 amino acids.
• AASequence: MCDLPQTHSL GSRRTLMLLA QMRRISLFSC LKDRHDFGFP QEEFGNQFQK AETIPVLHEM IQQIFNLFST KDSSAAWDET LLDKFYTELY QQLNDLEACV IQGVGVTETP LMKEDSILAV RKYFQRITLY LKEKKYSPCA WEVVRAEIMR SFSLSTNLQE SLRSKE
• Endotoxin: Less than 1 EU/µg of rHuIFN-α2b, Ecoli. as determined by LAL method.
• Purity: > 96 % by SDS-PAGE and HPLC analyses.
• Storage: 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.
• Reconstitution: We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in sterile distilled water or aqueous buffer containing 0.1 % BSA to a concentration of 0.1-1.0 mg/mL. Stock solutions should be apportioned into working aliquots and stored at ≤ -20 °C. Further dilutions should be made in appropriate buffered solutions.