Biotinylated SARS-CoV-2 (COVID-19) Nucleocapsid protein, His, Avitag™ - E.coli | NUN-C81Q6

Biotinylated SARS-CoV-2 (COVID-19) Nucleocapsid protein, His, Avitag™ - E.coli | NUN-C81Q6 | Acro Biosystems | SARS-CoV-2 Proteins

Synonym

Nucleocapsid protein, NP, Protein N

Source

Biotinylated SARS-CoV-2 Nucleocapsid protein, His,Avitag (NUN-C81Q6) is expressed from E.coli cells. It contains AA Met 1 - Ala 419 (Accession # QHO62115.1).
Predicted N-terminus: Met

Molecular Characterization

Online(Met 1 - Ala 419) QHO62115.
This protein carries a polyhistidine tag at the N-terminus, followed by an Avi tag (Avitag™).

The protein has a calculated MW of 51.1 kDa. The protein migrates as 52 kDa under reducing (R) condition (SDS-PAGE).

Biotinylation

Biotinylation of this product is performed using Avitag™ technology. Briefly, the single lysine residue in the Avitag is enzymatically labeled with biotin.

Endotoxin

Less than 1.0 EU per μg by the LAL method.

Purity

>90% as determined by SDS-PAGE.

Formulation

Lyophilized from 0.22 μm filtered solution in 50 mM Tris, 150 mM NaCl, Arginine, pH7.5. Normally trehalose is added as protectant before lyophilization.

Contact us for customized product form or formulation.

Reconstitution

Please see Certificate of Analysis for specific instructions.

For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.

Storage

For long term storage, the product should be stored at lyophilized state at -20°C or lower.

Please avoid repeated freeze-thaw cycles.

This product is stable after storage at:

-20°C to -70°C for 12 months in lyophilized state;
-70°C for 3 months under sterile conditions after reconstitution.