Recombinant Hepatitis B preS2 Protein Summary
| Description |
A biologically active protein to Hepatitis B preS2.
Source: E. coli.Amino Acid Sequence: MQWNSTTFHQ ALLDPKVRGL YFPAGGSSSG TVNPVPTTAS PISSIFSRTG DPAPN |
| Preparation Method |
Novus biologically active proteins are stringently purified to provide only the safest and most highly effective proteins available. This protein was expressed in E. coli, purified by HPLC, QC tested by SDS-PAGE and Western Blot and validated on appropriate cell lines for bioactivity. All HPLC and bioactivity data is provided for your assurance.
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| Details of Functionality |
Data is not available
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| Protein/Peptide Type |
Biologically Active Protein
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| Purity |
>95% pure by SDS-PAGE
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| Endotoxin Note |
Less than 1 EU/mg of endotoxin as determined by LAL method.
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Applications/Dilutions
| Theoretical MW |
5.7 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors. |
Packaging, Storage & Formulations
| Storage |
Store at 4C short term. Aliquot and store at -20C long term. Avoid freeze-thaw cycles.
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| Concentration |
LYOPH
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| Purity |
>95% pure by SDS-PAGE
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| Reconstitution Instructions |
Reconstitute with sterilized distilled water or 0.1% BSA aqueous buffer to a final concentration of 0.1 – 1.0 mg/ml.
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Notes
This lyophilized preparation is stable at 2-8 degrees C, but should be kept at -20 degrees C for long term storage, preferably desiccated. Upon reconstitution, the preparation is most stable at -20 to -80 degrees C, and can be stored for one week at 2-8 degrees C. For maximal stability, apportion the reconstituted preparation into working aliquots and store at -20 degrees C to -80 degrees C. Avoid repeated freeze/thaw cycles.
Alternate Names for Recombinant Hepatitis B preS2 Protein
- HBV pre S2 Antigen
- HBV pre S2 protein
- Hepatitis B Virus pre S2 protein
- PreS2/S antigen
- S
Background
Hepatitis B virus (HBV) is a human pathogen, causing serious liver disease. The HBV surface protein antigens (HBsAg) are comprised of three carboxyl co terminal HBs proteins termed large (LHBs), middle (MHBs) and small (SHBs, also called major) protein. LHBs and MHBs also share the highly hydrophobic, repetitive, membrane spanning S domain. In addition, MHBs has a 55 amino acid region called preS2