Figure 1 | Scientific Reports

Figure 1

From: Emergence of new antigenic epitopes in the glycoproteins of human respiratory syncytial virus collected from a US surveillance study, 2015–17

Figure 1The alternative text for this image may have been generated using AI.

Polymorphisms in the RSV F protein. (A) Plots of AA variation frequency by position of F protein ORF (1–574) to the KX858757.1 and KX858756.1 reference sequences. The functional domain structures illustrated on the top (SP, signal peptide; TM, transmembrane domain, CT, cytoplasmic tail). OUTSMART-RSV samples from 2015–16 and 2016–17 are plotted separately. Red, RSV A; Blue, RSV B. Variations at a frequency >10% (dash lines) in each season relative to the references are labelled. (B) Phylogenetic trees of RSV A F and RSV B F proteins. Reference sequences KX858757.1 and KX858756.1 for RSV A and RSV B, repectively, are used to root the trees. Metadata of each samples including years of isolation and their geographic location are annotated. AA substitutions for the major branches are labeled.

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