|Molecular Weight||Approximately 5.7 kDa, a single non-glycosylated polypeptide chain containing 55 amino acids.|
|AA Sequence||MQWNSTTFHQ ALLDPKVRGL YFPAGGSSSG TVNPVPTTAS PISSIFSRTG DPAPN|
|Purity||>95% by SDS-PAGE and HPLC analyses.|
|Applications||1. Immunochromatography (capture and conjugate);
2. Preparing monoclonal or polyclonal antibodies for HBsAg-preS2;
|Physical Appearance||Sterile Filtered White lyophilized (freeze-dried) powder.|
|Formulation||Lyophilized from a 0.2 μm filtered concentrated solution in 20mM PB, pH 7.4, 50mM NaCl.|
|Endotoxin||Less than 1 EU/μg of rHBsAg-preS2 as determined by LAL method.|
|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.|
|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.
|Usage||This material is offered by Shanghai PrimeGene Bio-Tech for research, laboratory or further evaluation purposes. NOT FOR HUMAN USE.|