Figure 3From: Molecular characterization of H3N2 influenza A viruses isolated from Ontario swine in 2011 and 2012Alignment of the 10 Ontario H3 HA1 amino acid sequences without signal peptide. Amino acids of the HA1 subunit of the 10 Ontario H3N2 isolates and prototype cluster IV trH3N2 virus [A/swine/ON/33853/2005]. Residues shown in boxes represent previously identified antigenic sites A, B, C, D and E; respectively. Potential glycosylation sites are underlined.Back to article page