Spike S1 (16-685), Fc Fusion, Avi-tag, Biotin-labeled (SARS-CoV-2)

Severe acute respiratory Coronavirus 2 Spike Glycoprotein S1 (SARS-CoV-2 Spike S1), GenBank Accession No. QHD43416.1, a.a. 16-685, fused at the C-terminus of the Fc portion of human IgG1, with a C-terminal Avi-tag, expressed in a HEK293 expression system enzymatically biotinylated using Avi-tag(TM) technology. Biotinylation is confirmed to be >90%. MW=104 kDa. This protein runs at a higher molecular weight due to glycosylation.