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. 2019 Jul 25;9:10782. doi: 10.1038/s41598-019-47209-1

Figure 8.

Figure 8

Amino acids of the putative PCV2 capsid protein for PCV2a (gray), PCV2b (blue), and PCV2d-1 and PCV2d-2 (orange). The four general antibody recognition regions are labeled (A) (51–84), (B) (113–139), (C) (161–207), and (D) (228–233). Positions 86–89 (blue box) were previously proposed to distinguish between PCV2a and PCV2b29. Positions 190–191, 206, and 210 (green box) are important for PCV2 replication in vitro59. Positions 173–175 and 179 (red box) are important for antibody recognition.