Recombinant HBV Surface Antigen-preS2
Catalog No.
P1647
Featured Products
| Source | Escherichia coli. |
| M.Wt | Approximately 5.7 kDa, a single non-glycosylated polypeptide chain containing 55 amino acids. |
| AA Sequence | MQWNSTTFHQ ALLDPKVRGL YFPAGGSSSG TVNPVPTTAS PISSIFSRTG DPAPN |
| Appearance | Sterile Filtered White lyophilized (freeze-dried) powder. |
| Stability & 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. |
| Formulation | Lyophilized from a 0.2 μm filtered concentrated solution in 20mM PB, pH 7.4, 50mM NaCl. |
| 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. |
| Shipping Condition | Gel pack. |
| Handling | Centrifuge the vial prior to opening. |
| Usage | For Research Use Only! Not to be used in humans. |
Quality Control & DataSheet
- View current batch:
-
Purity > 95% by SDS-PAGE and HPLC analyses.
- Datasheet
Endotoxin: Less than 1 EU/μg of rHBsAg-preS2 as determined by LAL method.