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. 2004;2(11):909–914. doi: 10.1038/nrmicro1027

Figure 1. Comparison of the nucleoprotein (NP) genome segment from the 1918 pandemic influenza virus and two avian strains with the overall avian consensus sequence.

Figure 1

The data show that although the amino acid sequence of the 1918 NP is similar to the overall avian consensus at the amino acid level, it is highly divergent at the nucleotide level.