Recombinant SARS-CoV-2 Spike S1+S2 ECD(S-ECD)(D614G) Protein is produced by HEK293 cells expression system. The target protein is expressed with sequence (Val11-Gln1208(Asp614Gly)) of sars-cov-2 S1+S2 ECD（S-ECD）(D614G) (Accession #YP_009724390.1) fused with a 6×His tag at the C-terminus.
