
Recombinant Coronavirus 2019 Spike (1000-1200 a.a.) by ProSpec Bio is a recombinant antigen expressed in E. coli (aa 1000–1200, C-terminal 6xHis tag, >90% pure), supplied as a solution. Sizes: 50 µg (sars-017), 0.25 mg (sars-017-1), 1 mg (sars-017-2). Available from MBP, a registered vendor at leading US research institutions.


