Fig. 2
Expression of SARS-CoV-2 N antigen using wheat germ cell free system confirmed by SDS–PAGE and Western blot (anti-His tag, Abcam ab18184); M1: protein marker, Bio-Rad, Cat No. 1610374S; M2: protein marker, GenScript, Cat. No. M00673; BSA: 2.00 µg; R: reducing condition. The expected band size is ~ 46 kDa