
Recombinant Coronavirus 2019 Spike Receptor Binding Domain (300-600 a.a.) by ProSpec Bio is a recombinant antigen expressed in E. coli (aa 300–600, C-terminal 6xHis tag, >90% pure), supplied as a solution. Sizes: 50 µg (sars-018), 0.25 mg (sars-018-1), 1 mg (sars-018-2). Available from MBP, a registered vendor at leading US research institutions.


