Recombinant Lassa virus Nucleoprotein(N)

In Stock
Code CSB-EP318401LNPe1
Size US$2632
  • (Tris-Glycine gel) Discontinuous SDS-PAGE (reduced) with 5% enrichment gel and 15% separation gel.
  • Based on the SEQUEST from database of E.coli host and target protein, the LC-MS/MS Analysis result of CSB-EP318401LNPe1 could indicate that this peptide derived from E.coli-expressed Lassa virus (strain Mouse/Sierra Leone/Josiah/1976) (LASV) N.
  • Based on the SEQUEST from database of E.coli host and target protein, the LC-MS/MS Analysis result of CSB-EP318401LNPe1 could indicate that this peptide derived from E.coli-expressed Lassa virus (strain Mouse/Sierra Leone/Josiah/1976) (LASV) N.
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Product Details

Purity Greater than 85% as determined by SDS-PAGE.
Target Names N
Uniprot No. P13699
Research Area Microbiology
Alternative Names
N; Nucleoprotein; EC 3.1.13.-; Nucleocapsid protein; Protein N
Species Lassa virus (strain Mouse/Sierra Leone/Josiah/1976) (LASV)
Source E.coli
Expression Region 1-569aa
Note: The complete sequence including tag sequence, target protein sequence and linker sequence could be provided upon request.
Mol. Weight 63.0 kDa
Protein Length Full Length
Tag Info Tag-Free
Form Liquid or Lyophilized powder
Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand.
Buffer If the delivery form is liquid, the default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol.
Note: If you have any special requirement for the glycerol content, please remark when you place the order.
If the delivery form is lyophilized powder, the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, pH 8.0.
Reconstitution We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20°C/-80°C. Our default final concentration of glycerol is 50%. Customers could use it as reference.
and FAQs
Protein FAQs
Storage Condition Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time 3-7 business days
Notes Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet & COA Please contact us to get it.

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Target Background

Encapsidates the genome, protecting it from nucleases. The encapsidated genomic RNA is termed the nucleocapsid (NC). Serves as template for viral transcription and replication. The increased presence of protein N in host cell does not seem to trigger the switch from transcription to replication as observed in other negative strain RNA viruses. Through the interaction with host IKBKE, strongly inhibits the phosphorylation and nuclear translocation of host IRF3, a protein involved in interferon activation pathway, leading to the inhibition of interferon-beta and IRF3-dependent promoters activation. Encodes also a functional 3'-5' exoribonuclease that degrades preferentially dsRNA substrates and thereby participates in the suppression of interferon induction.
Gene References into Functions
  1. Importantly, authors demonstrate for the first time that Lassa virus nucleoprotein is involved in the inhibition of antigen-presenting cell-mediated NK cell responses. PMID: 25253342
  2. These results highlight the key role of nucleoprotein exonuclease domain function in the immune evasion that occurs during Lassa virus infection. PMID: 25253344
  3. NP trimerization is essential for transcription and/or replication of the viral genome. PMID: 23553456
  4. molecular dynamics (MD) simulations have been carried out to investigate the characters of deoxythymidine triphosphate binding to two forms of nucleoprotein. PMID: 22871039
  5. Structure of the Lassa virus nucleoprotein revealed by X-ray crystallography, small-angle X-ray scattering, and electron microscopy PMID: 21917929
  6. Residues D389 and G392 of nucleoprotein were critical for Lassa virus viability, while the D389A/G392A and D389T/392A double mutants were severely altered in the ability to suppress interferon in macrophages and dendritic cells. PMID: 21880754

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Subcellular Location Virion. Host cytoplasm.
Protein Families Arenaviridae nucleocapsid protein family
Database Links

KEGG: vg:956584

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