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Product Description

SARS-CoV-2 N (QHD43423.2, 1 a.a. - 419 a.a.) recombinant protein with His tag at N-terminal expressed in Escherichia coli.Bioactive Protein,Bioactive Proteins,Bioactive,Active,Functional Protein,Functional Proteins,SARS-CoV-2,Coronavirus,COVID-19,COVID19,Wuhan virus,Wuhanvirus

Host

Escherichia coli

Theoretical MW (kDa)

49.4

Form

Liquid

Preparation Method

Escherichia coli expression system

Purification

Affinity purification

Purity

> 95% by SDS-PAGE; > 95% by HPLC.

Endotoxin Level

< 1.0 EU/ug of the protein by LAL method.

Activity

Immobilized N (SARS-CoV-2) Recombinant Protein at 2 ug/mL (100 uL/well) can bind Anti-Nucleocapsid antibody with a linear range of 0.12-6 ng/mL.

Quality Control Testing

SDS-PAGE Stained with Coomassie Blue

This protein was determined by SDS-PAGE with Coomassie Blue, showing a band at 55 kDa.

Storage Buffer

In 20 mM Tris, 500 mM NaCl, pH 8.0 (0.1 mM EDTA, 10% glycerol).

Storage Instruction

Store at -80°C.
Aliquot to avoid repeated freezing and thawing.

Note

Result of bioactivity analysis