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. 2018 Oct 24;9:2546. doi: 10.3389/fmicb.2018.02546

FIGURE 4.

FIGURE 4

Amino acid sequence alignment of H9N2 NS1 proteins: Doted box indicates the NS1 region involved in the ability to inhibit host gene expression (85–139). In red are indicated the residues from WI/66 NS1 that are different from those present in HK/97 NS1 (green). In blue are indicated the amino acid residues different in other H9N2 NS1 proteins. WI/66, A/turkey/Wisconsin/1/1966 H9N2; HK/79, A/duck/Hong Kong/702/1979 H9N2; HK/88, A/quail/Hong Kong/A28945/1988 H9N2; HK/97, A/quail/Hong Kong/G1/1997 H9N2; HK/99, A/guinea fowl/Hong Kong/WF10/1999 H9N2.