Fig. 3

Amino Acid Variability Among RSV G and M2-2 Proteins. Protein sequences for G and M2-2 proteins from RSVA and RSVB subtypes were aligned separately. The number of amino acid substitutions were calculated between all strains and Principal Coordinate Analysis was performed to demonstrate amino acid variability in reduced dimensional space. Ellipses are centered on centroids with 1 standard deviation. Points are colored by disease severity status; red = mild, black = severe. When points contain multiple sequences and from patients of both disease types, points are colored by the more numerous disease type