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. 2008 Feb 27;82(9):4544–4553. doi: 10.1128/JVI.02642-07

TABLE 1.

Amino acid sequence comparisons of recombinant A/Egret/Hong Kong/757.2/02 and recombinant A/Chicken/Indonesia/7/03 viruses

Gene product Amino acid sequence similarity (%) No. of different amino acids Differing amino acid positions
PB2 98.7 10 105, 132, 221, 251, 288, 292, 309, 339, 389, 394
PB1 99.3 5 110, 158, 215, 372, 400
PB1-F2 98.8 1 73
PA 100 0
HA 98.1 11 8, 110, 111, 136, 140, 145, 194, 231, 498, 504, 549
NP 99.2 5 22, 184, 400, 406, 423
NA 91.0 22 + 20-amino-acid deletiona 8, 19, 29, 42, 48, 49-68, 74, 95, 100, 105, 224, 257, 258, 267, 270, 313, 338, 341, 346, 355, 378, 386, 454
M1 100 0
M2 96.9 3 10, 31, 64
NS1 96.0 9 7, 21, 48, 73, 112, 148, 200, 202, 209
NS2 99.2 1 7
a

rIndo virus NA contains a 20-amino-acid stalk deletion as well as 22 other amino acid differences.