Recombinant Viral JEV-NS1 Protein, CF

Catalog # Availability Size / Price Qty
9775-JV-100
The Innovator Series.
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Recombinant Viral JEV-NS1 Protein, CF Summary

Product Specifications

Purity
>90%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Endotoxin Level
<0.10 EU per 1 μg of the protein by the LAL method.
Activity
Bioassay data are not available.
Source
Human embryonic kidney cell, HEK293-derived viral Japanese Encephalitis virus NS1 protein
Thr796-Ala1146, with C-terminal 6-His tag
Accession #
N-terminal Sequence
Analysis
Thr796
Predicted Molecular Mass
41 kDa
SDS-PAGE
45-52 kDa, reducing conditions

Product Datasheets

Carrier Free

What does CF mean?

CF stands for Carrier Free (CF). We typically add Bovine Serum Albumin (BSA) as a carrier protein to our recombinant proteins. Adding a carrier protein enhances protein stability, increases shelf-life, and allows the recombinant protein to be stored at a more dilute concentration. The carrier free version does not contain BSA.

What formulation is right for me?

In general, we advise purchasing the recombinant protein with BSA for use in cell or tissue culture, or as an ELISA standard. In contrast, the carrier free protein is recommended for applications, in which the presence of BSA could interfere.

9775-JV

Formulation Lyophilized from a 0.2 μm filtered solution in PBS.
Reconstitution Reconstitute at 250 μg/mL in PBS.
Shipping The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage: Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °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.

Data Image

Bioactivity not tested The Innovator Series. View Larger

R&D Systems proteins are almost always sold with a bioassay to indicate activity. However, we recognize that sometimes proteins might be novel, and their bioactivity may not be well understood. In addition, some researchers may wish to use polypeptides to make antibodies. To facilitate the advancement of new science, we now offer our Innovator Series of proteins.

Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Background: Japanese Encephalitis virus NS1

Japanese encephalitis virus (JEV) non-structural protein 1 (NS1) is produced by the Japanese encephalitis virus (JEV), a mosquito-borne flavivirus that is the leading cause of virus-induced encephalitis globally (1). Flavivirus NS1 is a multifunctional virulence factor. The glycosylated NS1 exists as a membrane-associated dimer after translocation into the endoplasmic reticulum lumen, where it is essential for viral genome replication (2). The secreted hexamer NS1 is involved in immune evasion and pathogenesis; it is identified as a potential diagnostic marker for early detection of the virus infections (2). Mature viral JEV NS1 contains 352 amino acids and shares high structural similarity to other flavivirus NS1 proteins, such as DENV and ZIKV.

References
  1. Nain, M. et al. (2016) Rev. Med. Virol. 26:129.
  2. Rastogi, M. et al. (2016) Virol. J. 13:131.
Entrez Gene IDs
1489713 (Viral)
Alternate Names
Japanese Encephalitis virus NS1; Japanese Encephalitis; JE virus; JEV; JEVgp1; JEV-NS1

FAQs

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