Region | Number of amino acids involved (position) | Number of amino acid residues identical to A/CA/07/2009 (H1N1) (amino acid substitution position) | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Thai/104 | CBI6 | CBI10 | 34002 | 34004 | NMA1 | BKK1 | BKK2 | BKK4 | BKK5 | ||
HA1 globular head | 234 (42-275) | 233 (P83S) | 232 (P83S) | 230 (P83S) (K119E) | 231 (P83S) (S128L) | 232 (P83S) | 232 (P83S) | 228 (P83S) (D97N) (I216V) (V249L) | 228 (P83S) (D97N) (I216V) (V249L) | 227 (P83S) (D97N) (K119N)* (V249L) | 227 (P83S) (D97N) (N129D) (V249L) |
Sa | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
Sb | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 (S185T) | 11 (S185T) |
Ca | 19 | 19 | 18 (S203T) | 17 (S203T) (D222G) | 18 (S203T) | 18 (S203T) | 18 (S203T) | 17 (S203T) (R205K) | 17 (S203T) (R205K) | 17 (H138R) (S203T) | 17 (H138R) (S203T) |
Cb | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
HA2 | 222 (328-549) | 221 (I404M) | 222 | 222 | 221 (E374K) | 221 (E374K) | 221 (E374K) | 221 (E374K) | 221 (E374K) | 220 (E374K) (S451N) | 220 (E374K) (S451N) |