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. 2014 Sep 23;9(9):e108043. doi: 10.1371/journal.pone.0108043

Table 3. Amino acid (AA) similarity matrix for strains of a particular subtype used to infect SPF chickens of group 2 (in bold) versus PA-antigens per HA-type (table 1).

H5N2 100.00
H5.07 97.37 100.00
H5.02 96.15 96.42 100.00
H5.97 95.75 95.39 93.52 100.00
H5.06 95.29 95.45 94.21 97.48 100.00
H6N2 100.00
H6.07 96.01 100.00
H7N1 100
H7.03 97.11 100.00
H9N2 100.00
H9.99 97.49 100.00
H9.07 94.39 93.77 100.00

Similarity was calculated based on the HA1 part of the hemagglutinin (sequence length 318 AA). Percentages in bold and italics denote similarity between strains used for infection versus corresponding PA-antigen.