Source: Recombinant SARS-CoV-2 Spike Protein S1 , N-His protein is expressed in E.coli with N-His. It contains the amino acid sequence of 16-685aa.

Storage Buffer: Lyophilized from 0.22um filtered solution in 20mM PB (pH 7.4). 5% trehalose is added as a protectant before lyophilization.

Storage: The product should be stored at -70°C or -20°C.

Background:

Endotoxin: Not Tested

Purity: >95% as determined by SDS-PAGE

Sequence: 16-685aa

Expression: E.coli

Tag: His tag