产品介绍 Recombinant SARS-CoV-2 Spike protein S1 subunit, encompassing amino acids 16-685. This protein corresponds to SARS-CoV2 Variant P.1, also known as variant Gamma, originally discovered in Brazil and contains all P.1 mutations in addition to 682RRAR685>A, as listed below. The construct also contains a C-terminal Avi-Tag™ followed by a His-tag (6xHis). The recombinant protein was affinity purified.