Figure 7 | Scientific Reports

Figure 7

From: Isolation of a human SARS-CoV-2 neutralizing antibody from a synthetic phage library and its conversion to fluorescent biosensors

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.

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