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. 2022 Jul 22;13:933249. doi: 10.3389/fmicb.2022.933249

Figure 3.

Figure 3

Production of recombinant polypeptides of PEDV S1 subunit (S1-0, S1-A, and S1-BCD). (A) PCR amplificons of the DNA sequences coding for the S1-0 (651 bp), S1-A (873 bp), and S1-BCD (660 bp). Lane M, 1 kb DNA ladder. The numbers on the left are DNA sizes in bp. (B) SDS-PAGE-separated patterns of the purified S1-0 (26 kDa), S1-A (32 kDa), and S1-BCD (24 kDa) after staining with CBB dye. (C) Western blot patterns of the purified S1-0, S1-A, and S1-BCD as detected by mouse anti-6× His antibody. Lanes M of (B) and (C) are protein molecular mass markers. The numbers on the left of (B) and (C) are protein molecular masses in kDa.