- Product NameRecombinant HBV Surface Antigen-preS2
- Purification>95% by SDS-PAGE and HPLC analyses.
- EndotoxinLess than 1 EU/ugof rHBsAg-preS2 as determined by LAL method.
- Calculated MW Approximately 5.7 kDa, a single non-glycosylated polypeptide chain containing 55 amino acids.
- Target Sequence MQWNSTTFHQ ALLDPKVRGL YFPAGGSSSG TVNPVPTTAS PISSIFSRTG DPAPN
- Formulation Lyophilized from a 0.2 μm filtered concentrated solution in 20mM PB, pH 7.4, 50mM NaCl.
- Storage Use a manual defrost freezer and avoid repeated freeze-thaw cycles.- Refer to lot specific COA for the Use by Date when stored at ≤-20 ˚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.