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Influenza A H1N1 (A/Puerto Rico/8/34/Mount Sinai) Non-structural / NS1 Protein (His Tag)

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H1N1 NS1 Protein Product Information
Protein Construction:A DNA sequence encoding the influenza A H1N1 Virus (A/Puerto Rico/8/34/Mount Sinai) NS1 protein (C8XP22) (Asp 2-Val 230) was expressed, with a polyhistidine tag at the N-terminus.
Expressed Host:E. coli
Shipping:In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.
Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.
H1N1 NS1 Protein QC Testing
Purity:> 95 % as determined by SDS-PAGE
Endotoxin:Please contact us for more information.
Stability:Samples are stable for up to twelve months from date of receipt at -70℃
Predicted N Terminal:Met
Molecule Mass:The recombinant influenza A H1N1 Virus (A/Puerto Rico/8/34/Mount Sinai) NS1 protein comprises 240 amino acids and has a predicted molecular mass of 27.2 kDa. It migrates as an approximately 29 kDa band in SDS-PAGE under reducing conditions.
Formulation:Lyophilized from sterile PBS, 5% glycerol, pH 8.0
1. Normally 5 % - 8 % trehalose and mannitol are added as protectants before lyophilization. Specific concentrations are included in the hardcopy of COA.
2. Please contact us for any concerns or special requirements.
H1N1 NS1 Protein Usage Guide
Storage:Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
Reconstitution:A hardcopy of COA with reconstitution instruction is sent along with the products. Please refer to it for detailed information.
Other NS1 Recombinant Protein Products
Influenza NS1 Background

The NS1 Influenza protein is created by the internal protein encoding, linear negative-sense, single stranded RNA, NS gene segment and which also codes for the nuclear export protein or NEP, formerly referred to as the NS2 protein, which mediates the export of vRNPs. The non-structural (NS1) protein is found in Influenza virus A, Influenza virus B and Influenza virus C. The non-structural (NS1) protein of the highly pathogenic avian H5N1 viruses circulating in poultry and waterfowl in Southeast Asia is currently believed to be responsible for the enhanced virulence of the strain. Non-structural (NS1) protein of influenza A viruses is a non-essential virulence factor that has multiple accessory functions during viral infection. The major role ascribed to NS1 has been its inhibition of host immune responses, especially the limitation of both interferon (IFN) production and the antiviral effects of IFN-induced proteins, such as dsRNA-dependent protein kinase R (PKR) and 2'5'-oligoadenylate synthetase (OAS)/RNase L. Non-structural (NS1) protein is a non-structural protein of the influenza A virus, which could only be expressed when cells are infected. The effect of NS1 protein on host cell is still not clear. Not only could NS1 remarkably affect metabolism, but it could also slow down cell proliferation through blocking cell cycle. Non-structural (NS1) protein may lead to the development of novel antiviral drugs, and the use of oncolytic influenza A viruses as potential anti-cancer agents.

H1N1 Influenza NS1 References
  • Enami,M. et al., 1997, Nippon Rinsho. 55 (10):2605-9.
  • Bergmann,M. et al., 2000, J Virol. 74 (13):6203-6.
  • Hale,B.G. et al., 2008, J Gen Virol. 89 (Pt 10):2359-76.
  • Zhao,L. et al., 2008, Sheng Wu Gong Cheng Xue Bao. 24 (11):1912-7
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    Catalog: 40011-V07E-50
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