TABLE 2.
Sequence comparison of A/parakeet/Chiba/1/97 with H9N2 Hong Kong influenza virusa
| Segment | No. of nucleotides sequenced | % Homology with A/parakeet/Chiba/1/97
|
|||||||
|---|---|---|---|---|---|---|---|---|---|
| A/Hong Kong/1073/99
|
A/quail/Hong Kong/G1/97
|
A/chicken/Hong Kong/G9/97
|
A/duck/Hong Kong/Y439/97
|
||||||
| Nucleotides | Amino acids | Nucleotides | Amino acids | Nucleotides | Amino acids | Nucleotides | Amino acids | ||
| PB2 | 2,280 | 98.5 | 99.1 | 98.5 | 98.7 | 98.2 | 98.3 | 87.6 | 96.4 |
| PB1 | 2,277 | 98.9 | 99.7 | 98.9 | 99.6 | 98.4 | 99.1 | 90.6 | 97.3 |
| PA | 2,151 | 97.6 | 98.7 | 98.4 | 99.2 | 89.0 | 94.2 | 89.9 | 96.1 |
| HA | 1,683 | 97.7 | 97.5 | 98.0 | 97.4 | 92.5 | 92.9 | 85.1 | 88.1 |
| NP | 1,497 | 98.9 | 99.4 | 99.3 | 99.4 | 90.6 | 96.3 | 94.7 | 97.0 |
| NA | 1,410 | 97.9 | 97.7 | 98.1 | 97.4 | 94.0 | 93.4 | 89.7 | 89.3 |
| M | 982 | 99.1 | 99.6 (M1), 96.9 (M2) | 99.1 | 99.6 (M1), 97.9 (M2) | 96.4 | 98.0 (M1), 96.9 (M2) | 92.9 | 95.6 (M1), 93.8 (M2) |
| NS | 838 | 98.2 | 96.1 (NS1), 98.3 (NS2) | 98.6 | 96.5 (NS1), 99.2 (NS2) | 93.3 | 92.5 (NS1), 95.7 (NS2) | 91.1 | 89.5 (NS1), 97.5 (NS2) |
a
Nucleotide and amino acid sequences were compared, and identity was determined by GenBank searches.