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Product Description

SARS-CoV-2 E (QHD43418.1, 1 a.a. - 75 a.a.) recombinant protein with an initial Met, His-Avi 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)

11.4

Form

Liquid

Preparation Method

Escherichia coli expression system

Purification

Affinity purification

Purity

> 95% by SDS-PAGE.

Endotoxin Level

< 0.1 EU/ug of the protein by LAL method.

Activity

Measured by the binding ability in a functional ELISA. Immobilized E (SARS-CoV-2) Recombinant Protein at 2 ug/mL (100 uL/well) can bind Recombinant 2019-nCoV Nucleocapsid with a linear range of 1.2-41.1 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 12 kDa.

Storage Buffer

In 20 mM Tris, 250 mM NaCl, pH 8.0 (0.5% TritonX-100).

Storage Instruction

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

Note

Result of bioactivity analysis