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. 2023 May 31;10:1182550. doi: 10.3389/fvets.2023.1182550

Figure 2.

Figure 2

Amino acid substitutions present in P5Ch32/H4N2. (A) Substitution NA N402K (N2 numbering; in red) acquired after passaging in chickens disrupts a putative N-glycosylation site (green). From the canonical sialic acid recognition site, the tyrosine at position 406 is highlighted in red. In purple, sites corresponding to the secondary binding site (19). (B) Amino acid substitutions in proteins involved in the ribonucleoprotein complex. This figure is an adaptation from Boulo et al. and Naffakh et al. (20, 21).