
Recombinant Coronavirus 2019 Spike (800-1000 a.a.) by ProSpec Bio is a recombinant antigen expressed in E. coli (aa 800–1000, C-terminal 6xHis tag, >90% pure), supplied as a solution. Sizes: 50 µg (sars-016), 0.25 mg (sars-016-1), 1 mg (sars-016-2). Available from MBP, a registered vendor at leading US research institutions.


