Recombinant HBV Surface Antigen-preS2 ( HBsAg-preS2)

别名（Synonyms）

Middle surface antigen,PreS2.

Accession

Q5F4I9

GeneID

10407 

表达系统（Source）

E.coli-derived HBsAg-preS2

分子量大小（Molecular Weight）

Approximately 5.7 kDa, a single non-glycosylated polypeptide chain containing 55 amino acids，with an N-terminal Met

氨基酸序列(AA Sequence)

MQWNSTTFHQ ALLDPKVRGL YFPAGGSSSG TVNPVPTTAS PISSIFSRTG DPAPN

标签（Tag）

None

外观（Physical Appearance）

Sterile Filtered White lyophilized (freeze-dried) powder.

纯度（Purity）

>95% by SDS-PAGE and HPLC analyses.

生物活性（Biological Activity）

Data is not available.

内毒素（Endotoxin）

< 1.0 EU per 1μg of the protein by the LAL method.

制剂（Formulation）

Lyophilized from a 0.2 μm filtered concentrated solution in 20 mM PB, pH 7.4, 50 mM NaCl.

复溶（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.