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