H1N1 | H3N2 | ||||||
---|---|---|---|---|---|---|---|
Protein | Position | Avian | Human | Protein | Position | Avian | Human |
HA | 6 | F | V | HA | 78 | R | E |
NA | 46 | P | T | NA | 30 | A | I |
 | 74 | L | V |  | 40 | N | Y |
NP | 100 | R | I,V | Â | 44 | I | S |
NS1 | 6 | I | M | NP | 16 | G | D |
NEP | 6 | I | M | PA-X | 28 | P | L |
PB1-F2 | 58 | L | - | PA | 28 | P | L |
PB2 | 588 | A | I | Â | 57 | R | Q |
 |  |  |  | PB2 | 9 | D | N |
 |  |  |  |  | 64 | M | T |