TABLE 4.
Human-like amino acids found in H5N1 Hong Kong avian influenza virusesa
| Host | Amino acid at position in internal protein
|
|||||||
|---|---|---|---|---|---|---|---|---|
| PB2
|
PA
|
NP
|
M2
|
|||||
| 199 | 661 | 702 | 409 | 136 | 16 | 28 | 55 | |
| Avian | A | A | K | S | L | E | I | L |
| Chicken (Hong Kong H5N1) | S/A | T | K/R | N/S | M | G | V | F |
| Human | S | T | R | N | M | G | V | F |
a
Numbers of strains used in this analysis: PB2, 8 avian, 12 human, and 6 chicken (Hong Kong); PA, 6 avian, 8 human, and 6 chicken (Hong Kong); NP, 30 avian, 21 human, and 6 chicken (Hong Kong); and M2, 20 avian, 16 human, and 6 chicken (Hong Kong).