
Recombinant SARS Associated Spike Mosaic S(M) by ProSpec Bio is a recombinant antigen expressed in E. coli (573 aa, 38 kDa, >95% pure). Sizes: 100 µg (sars-256), 0.5 mg (sars-256-1), 1 mg (sars-256-2). Available from MBP, a registered vendor at leading US research institutions.


