
Recombinant Coronavirus 2019-nCoV Spike Glycoprotein-S1 Receptor Binding Domain (319-537 a.a.) by ProSpec Bio is a recombinant antigen expressed in HEK293 cells (aa 319–537, C-terminal His tag, 26.5 kDa, >90% pure), supplied as a lyophilized powder. Sizes: 2 µg (sars-038), 10 µg (sars-038-1), 100 µg (sars-038-2). Available from MBP, a registered vendor at leading US research institutions.


