Table 5.
Virulent signature analysis of Chinese genogroup V IPNV strains.
| Amino Acid Site on VP2 |
Highly Virulent |
Moderately Virulent | Avirulent | GS2020-1 | BJ2020-2 | GS2020-3 |
|---|---|---|---|---|---|---|
| 199 | Thr [8] | Ile [8] | Ile [8] | Ile | Ile | Ile |
| 217 | Thr [8,36,38,40] | Ala [36] Pro [8,40] |
Pro [8,38] | Pro | Pro | Pro |
| 221 | Ala [38,40] Thr [8] |
Ala [8,40] | Thr [38,40] Ala [8] |
Thr | Thr | Thr |
| 247 | Thr [8] | Ala [8] | Ala [8] | Ala | Ala | Ala |
| 286 | Lys [36] | Ala [36] | - | Gly | Gly | Gly |
| 288 | Val [8] | Ala [8] | Val [8] | Val | Val | Val |
| 500 | Tyr [8] | His [8] | His [8] | Tyr | Tyr | Tyr |