Buffer (with preservative): Reconstitute with 50% glycerol in distilled water to 0.1-1mg/ml. Lyophilized from PBS, 2% Trehalose, 5% Mannitol, 0.01% Tween-80, no Preservative.
Concentration:
Region Sequence: SARS-CoV-2 Spike RBD of QHD43416.1 (319-541 a.a) with K417T, E484K, and N501Y mutations and His tag at the C-terminus