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Table 3 Pairwise comparison of the amino acid sequences of full-length S protein or its individual domains including Domain 0, S1 and S2 domains from GI-a, GI-b, GI-c, and GII genogroup with that of PEDV reference strain virulent CV777 (GenBank ID: AF353511.1)

From: The spike glycoprotein genes of porcine epidemic diarrhea viruses isolated in China

Query: virulent CV777 Full-length Domain 0 S1 domain S2 domain
GI-a (n = 9) 99.17 ± 0.29 98.23 ± 0.54 99.48 ± 0.42 99.29 ± 0.24
GI-b (n = 16) 96.77 ± 0.18 96.03 ± 0.07 96.50 ± 0.26 97.30 ± 0.17
GI-c (n = 9) 95.13 ± 0.32 93.07 ± 1.61 95.01 ± 0.15 95.99 ± 0.32
GII (n = 155) 93.79 ± 0.49 85.41 ± 0.86 94.97 ± 0.43 95.97 ± 0.68
  1. The percent amino acid identity (%) was presented as the mean ± standard deviation (SD).