
Recombinant SARS MERS Spike S1 by ProSpec Bio is a recombinant antigen expressed in E. coli (aa 367–606, C-terminal 6xHis tag, >95% pure), supplied as a solution. Sizes: 100 µg (sars-002), 0.5 mg (sars-002-1), 1 mg (sars-002-2). Available from MBP, a registered vendor at leading US research institutions.


