Active Recombinant COVID-19 N protein, His & Avi-tagged, Biotinylated

• Cat.No.: N-1849V
• Product Overview: Recombinant COVID-19 N protein(QHO62115.1)(Met 1 - Ala 419), fused with His tag and Avi tag, was expressed in HEK293.

Specification

• Species: COVID-19
• Source: HEK293
• Tag: Avi&His
• Protein Length: Met 1 - Ala 419
• Form: PBS, pH7.4
• Bio-activity: Immobilized Biotinylated SARS-CoV-2 Nucleocapsid protein, His,Avitag at 1 μg/mL (100 μL/well) on streptavidin precoated (0.5 μg/well) plate can bind Anti-SARS-CoV-2 Nucleocapsid Antibody, Chimeric mAb, Human IgG1 with a linear range of 0.1-3 ng/mL.
• Molecular Mass: 49.0 kDa
• Endotoxin: Less than 1.0 EU per μg by the LAL method.
• Purity: >90% as determined by SDS-PAGE.
• 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.
• Reconstitution: It is recommended that sterile water be added to the vial to prepare a stock solution of 0.2 ug/ul. Centrifuge the vial at 4°C before opening to recover the entire contents.