Diversity within VP1 amino acid sequences from PanAsia serotype O FMDVs including recent strains in circulation in Pakistan and Afghanistan.

<p>Amino acid sequences for the G-H loop portions of the VP1 capsid protein (which is important for FMDV antigenicity and receptor binding) were derived from reference PanAsia I and PanAsia II strains available in GenBank (accession numbers are indicated) and aligned with the derived VP1 sequences from current serotype O strains circulating in Pakistan and Afghanistan obtained in this study. The positions of shared amino acid substitutions are indicated by arrows.