
Recombinant Coronavirus 2019 Spike Receptor Binding Domain (1-260 a.a.) by ProSpec Bio is a recombinant antigen expressed in HEK293 cells (aa 1–260, >95% pure), supplied as a solution. Sizes: 50 µg (sars-022), 150 µg (sars-022-1), 250 µg (sars-022-2). Available from MBP, a registered vendor at leading US research institutions.


