Recombinant SARS-CoV S1+S2 ECD（S-ECD） Protein is produced by HEK293 cells expression system. The target protein is expressed with sequence (Ser14-Pro1195) of sars-cov S1+S2 ECD（S-ECD） (Accession #NP_828851.1) fused with a 6×His tag at the C-terminus.
