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(A) Alignment of amino acids of ORF3 proteins of TC-PC177 P10C8 and other PEDV strains. (B) Alignments of amino acids in the N-terminal sequences (residues 1 to 300) of spike proteins of PEDV strains TC-PC177 P2, TC-PC177 P10C8, wild-type PC21A, and PC22A P4. (C) Schematic amino acid differences between TC-PC177 P10C8 and PC21A. A deletion is indicated by a dash (-).
