Spike S1 (16-685), Avi-His-Tag, Biotin-Labeled (SARS-CoV-2) Recombinant

Recombinant SARS-CoV-2 Spike protein, S1 subunit encompassing amino acids 16-685. The construct contains a C-terminal Avi-Tag™ followed by a His-tag (6xHis). The recombinant protein was affinity purified and enzymatically biotinylated using the Avi-Tag™.