Greater than 95.0% as determined by:(a) Analysis by RP-HPLC.(b) Analysis by SDS-PAGE.
Storage:
-20 ℃
Source:
E.coli.
Production:
The Recombinant Hepatitis B Surface Antigen preS2 is approximately 5.7 kDa, a single non-glycosylated polypeptide chain containing 55 amino acids. Purified by proprietary chromatographic technique.