Figure 7

Conversion of A7 Fab to SARS-CoV-2-recognizing Q-body. (A) Scheme for preparation of Q-body; (B) CBB staining and fluorescent images of Q-body separated by SDS-PAGE. (C) Antigen-binding activities of TAMRA- and ATTO520-labeled Q-bodies. M: Precision Plus Protein™ Unstained Protein Standards spiked with 1% Dual-color Protein Standards (Bio-Rad); BSA: bovine serum albumin. n = 3; Data have been expressed as mean ± standard deviation. Original gel images are presented in Supplementary Fig. S4.