Table 4.
Presence (+) and absence (−) of unique amino acid substitutions in pandemic antigenic variants (A/swine/Rancagua/VN1401-1107/2015(H1N1), A/swine/Chillan/VN1401-1705/2015(H1N1) and A/swine/Chillan/VN1401-1719/2015(H1N1)) compared to the rest of Chilean A(H1N1)pdm09-like sequences.
| Substitutions | Antigenic site | A/swine/Rancagua/VN1401-1107/2015(H1N1) | A/swine/Chillan/VN1401-1705/2015(H1N1) | A/swine/Chillan/VN1401-1719/2015(H1N1) |
|---|---|---|---|---|
| V24I | − | − | + | + |
| A48S | − | − | + | + |
| R113K* | − | + | + | + |
| K/N119S | − | + | − | − |
| V132L | − | + | − | − |
| A139D | Ca2 | − | + | + |
| G155E* | Sa | + | + | + |
| K160M | Sa | − | + | + |
| S162N | Sa | + | − | − |
| D168N | Ca1 | − | + | + |
| S183P | − | + | − | − |
| I/R216K | − | − | + | + |
| V249I | − | + | − | − |
| A261T | − | − | + | + |
| T270A | − | − | + | + |
| D274N | − | + | − | − |
| T310A | − | + | − | − |
*Amino acid substitutions found in all A(H1N1)pdm09-like antigenic variants.