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. 2016 Apr 18;11(4):e0153579. doi: 10.1371/journal.pone.0153579

Fig 3. Schematic of the recombinant HA-based display platform for HA stalk peptides.

Fig 3

To improve immunogenicity of an identified H1 subtype HA (red) stalk epitope (indicated by a star) we genetically engineered it into the head domain of a heterologous H3 subtype HA carrier protein (blue) to yield a recombinant protein-based display platform for conserved HA stalk epitopes.