"S" Related Products


Recombinant Hepatitis B Virus S protein, His-tagged

Cat.No.: S-79H
Product Overview: Recombinant Hepatitis B Virus Pre-S produced in E.coli is a full length Pre-S of HBV subtype adw2, containing 174 amino acids, having a molecular weight of about 25kDa including a vector sequence and linked with a 6xHis tag at C- terminus.
Description: Hepatitis B virus surface gene encodes 3 proteins: small (HBs), middle (MHBs) and large (LHBs) surface protein. These 3 proteins are translated from distinct start codons, however share a common reading frame and stop codon. HBs contains 226 amino acids, it is a major viral envelope component. MHBs has extra 55 amino acids (Pre-S2) located to the N-terminus of HBs, LHBs has an additional 119 amino acids (Pre-S1). Pre-S is a region is comprised of Pre-S1 and S2, Pre-S1 has a vital role in receptor recognition, while Pre-S2 plays a part in translocation of virus into host cell. Clinically, HBV pre-S is linked with HBsAg and HBV DNA copies, which indicates active replication of virus, reduction of pre-S is typically associated with decreased HBV DNA copies, pointing to an improved predictor of treatment. In addition, Pre-S is a potential vaccine under development to enhance currently used HBsAg vaccine.
Source: E. coli
Species: Hepatitis B Virus
Tag : His
Form: Sterile Filtered solution. Sterile Filtered solution containing PBS, 1M urea and 0.05% sodium azide.
Molecular Mass: 25kDa
Protein length: 174 amino acids
Purity: Protein is >95% pure as determined by 12% PAGE (coomassie staining).
Applications: Immunoassay.
Usage: The products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
Storage: HBV Pre-S although stable at 4°C for 1 week, should be stored below -18°C. Please prevent freeze thaw cycles.
Shipping: Ice Packs
Gene Name: S long surface protein; PreS1; L protein; LHBs; large S protein; pre-S1/pre-S2/S regions; L glycoprotein; L-HBsAG; LHBs [ Hepatitis B virus ]
Official Symbol: S
Synonyms: S; long surface protein; PreS1; L protein; LHBs; large S protein; pre-S1/pre-S2/S regions; L glycoprotein; L-HBsAG; LHBs; large envelope protein; middle envelope protein; small envelope protein
Gene ID: 944569
Protein Refseq: YP_009173869.1
UniProt ID: Q2F515

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