Please refer to the printed manual for detailed information.
Background
Coronaviruses are enveloped viruses with a positive-sense RNA genome and with a nucleocapsid of helical symmetry. Coronavirus nucleoproteins localize to the cytoplasm and the nucleolus, a subnuclear structure, in both virus-infected primary cells and in cells transfected with plasmids that express N protein. Coronavirus N protein is required for coronavirus RNA synthesis, and has RNA chaperone activity that may be involved in template switch. Nucleocapsid protein is a most abundant protein of coronavirus. During virion assembly, N protein binds to viral RNA and leads to formation of the helical nucleocapsid. Nucleocapsid protein is a highly immunogenic phosphoprotein also implicated in viral genome replication and in modulating cell signaling pathways. Because of the conservation of N protein sequence and its strong immunogenicity, the N protein of coronavirus is chosen as a diagnostic tool.
Reactivity
Virus
Tag
C-6His
Description
A DNA sequence encoding the SARS-CoV (isolate:Tor2) nucleoprotein (NP_828858.1) (Met1-Ala422) was expressed with a C-terminal polyhistidine tag.
Formulation
LyopHilized from sterile 20 mM Tris, 500 mM NaCl, 10 % glycerol, pH 7.4.
Host
Baculovirus-Insect Cells
Accession Number
NP_828858.1
Endotoxin Level
< 1.0 EU per ug as determined by the LAL method.
Mol Weight
47.5 kDa
Mw(kda)
47.5 kDa
Sequence Info
Met1-Ala422
Shipping
This product is provided as lyophilized powder which is shipped with ice packs.
Stotage Note
Lyophilized proteins are stable for up to 12 months when stored at -20 to -80°C. Reconstituted protein solution can be stored at 4-8°C for 2-7 days. Aliquots of reconstituted samples are stable at < -20°C for 3 months.