The protein has a predicted molecular mass of 41.6 kDa after removal of the signal peptide. The apparent molecular mass of IL21-mFc is approximately 35-55 kDa due to glycosylation.
Conjugate
Unconjugated
Purity
> 95%, by SDS-PAGE and Coomassie blue staining.
Product Form
Lyophilized
Concentration
Reconstitution dependent.
Formulation
Lyophilized from sterile Phosphate Buffered Saline, pH 7.4. Normally 5%–8% Trehalose is added as a protectant before lyophilization.
Storage
Shipped at 4°C. Lyophilized: Store at -20°C to -80°C. Reconstituted: Aliquot and store at -80°C. Product is stable for one year. Avoid freeze/thaw cycles.
