
Recombinant SARS MERS Spike S1, HEK by ProSpec Bio is a recombinant antigen expressed in HEK293 cells (aa 18–725, 215.7 kDa, >85% pure), supplied as a solution. Sizes: 1 µg (sars-023), 5 µg (sars-023-1), 50 µg (sars-023-2). Available from MBP, a registered vendor at leading US research institutions.


