Table 3. Detailed comparison of the full-length genomes of HUN-2014 with 12 reference strains of PRRSV of Central China.
| HUN-2014 | HN1 | HUN4 | HUB1 | Em2007 | 09HUB2 | 09HEN2 | HZ-31 | Henan-A4 | Henan-A5 | Henan-A8 | Henan-A10 | Henan-A11 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| % identity to HUN-2014 | ||||||||||||
| Nucleotides (length) | ||||||||||||
| 5′ UTR (189) | 88.2 | 99.5 | 99.5 | 94.7 | 98.4 | 98.4 | 98.4 | 98.9 | 98.4 | 98.9 | 98.9 | 99.5 |
| ORF1a (7,422) | 86.5 | 98.8 | 98.4 | 92.7 | 97.6 | 97.4 | 96.5 | 96.8 | 96.2 | 96.8 | 97.9 | 95.7 |
| ORF1b (4,385) | 91.1 | 99.0 | 99.1 | 94.0 | 98.4 | 97.9 | 97.8 | 97.4 | 97.5 | 98.4 | 98.3 | 97.4 |
| ORF2-7 (3,188) | 90.9 | 98.7 | 98.5 | 92.8 | 98.1 | 98.1 | 88.4 | 96.5 | 98.2 | 97.8 | 93.7 | 95.5 |
| 3′ UTR (165) | 93.3 | 98.7 | 97.3 | 91.3 | 98.0 | 97.3 | 96.0 | 96.7 | 96.7 | 96.7 | 97.3 | 98.7 |
| Complete (15,336) | 88.8 | 98.9 | 98.6 | 93.1 | 97.9 | 97.7 | 95.2 | 97.0 | 97.0 | 97.5 | 97.2 | 96.2 |
| Amino acids (length) | ||||||||||||
| NSP1a (166) | 95.8 | 100 | 100 | 97.0 | 100 | 100 | 98.8 | 100 | 100 | 99.4 | 99.4 | 99.4 |
| NSP1b (217) | 82.9 | 98.6 | 97.7 | 87.1 | 96.3 | 97.2 | 92.2 | 94.9 | 96.8 | 98.2 | 97.7 | 97.2 |
| NSP2 (950) | 75.7 | 97.7 | 97.2 | 91.8 | 89.9 | 95.4 | 93.7 | 93.9 | 93.8 | 92.6 | 95.5 | 92.0 |
| NSP3 (446) | 94.4 | 99.8 | 99.3 | 96.4 | 99.6 | 99.1 | 98.7 | 98.2 | 98.9 | 98.0 | 99.6 | 98.7 |
| NSP4 (204) | 94.1 | 100 | 99.0 | 96.1 | 100 | 100 | 99.5 | 99.0 | 98.0 | 99.0 | 100 | 99.0 |
| NSP5 (170) | 92.4 | 98.8 | 98.2 | 93.5 | 98.2 | 98.2 | 94.7 | 97.1 | 96.5 | 97.6 | 98.2 | 97.1 |
| NSP6 (16) | 93.8 | 100 | 100 | 100 | 93.8 | 100 | 100 | 93.8 | 100 | 100 | 100 | 100 |
| NSP7 (259) | 88.8 | 98.8 | 98.8 | 90.7 | 98.8 | 98.8 | 98.1 | 97.7 | 97.7 | 98.1 | 96.5 | 97.7 |
| NSP8 (45) | 97.8 | 100 | 100 | 100 | 100 | 100 | 97.8 | 97.8 | 97.8 | 100 | 100 | 97.8 |
| NSP9 (643) | 97.5 | 99.1 | 99.5 | 97.7 | 98.9 | 98.9 | 98.9 | 98.1 | 98.4 | 98.4 | 98.9 | 98.1 |
| NSP10 (441) | 96.4 | 99.8 | 99.5 | 96.8 | 99.5 | 99.8 | 99.3 | 98.6 | 99.3 | 99.5 | 99.8 | 99.5 |
| NSP11 (223) | 94.6 | 99.1 | 99.6 | 95.5 | 99.1 | 99.6 | 99.1 | 98.2 | 99.1 | 98.2 | 99.1 | 98.7 |
| NSP12 (153) | 94.8 | 100 | 99.3 | 97.4 | 100 | 98.0 | 99.3 | 100 | 100 | 100 | 98.0 | 97.4 |
| GP2 (256) | 91.4 | 97.3 | 97.7 | 92.2 | 97.3 | 96.5 | 86.7 | 94.9 | 97.7 | 97.7 | 93.1 | 93.5 |
| E (73) | 93.2 | 98.6 | 98.6 | 93.2 | 98.6 | 98.6 | 90.4 | 98.6 | 98.6 | 97.3 | 97.3 | 97.3 |
| GP3 (255) | 85.4 | 96.9 | 96.5 | 88.6 | 96.9 | 96.9 | 83.5 | 93.3 | 97.2 | 96.1 | 90.6 | 90.9 |
| GP4 (178) | 88.8 | 97.2 | 96.6 | 94.4 | 96.6 | 96.6 | 87.1 | 95.5 | 96.6 | 95.5 | 96.6 | 96.6 |
| ORF5a (47) | 76.1 | 93.5 | 93.5 | 80.4 | 93.5 | 93.5 | 71.7 | 89.1 | 93.5 | 91.3 | 89.1 | 89.1 |
| GP5 (200) | 86.0 | 97.0 | 97.0 | 91.5 | 96.0 | 96.0 | 83.5 | 93.5 | 95.0 | 96.0 | 90.0 | 94.0 |
| M (174) | 97.7 | 100 | 100 | 96.6 | 100 | 100 | 94.8 | 99.4 | 100 | 99.4 | 98.3 | 100 |
| N (123) | 91.9 | 97.6 | 97.6 | 89.4 | 96.7 | 97.6 | 93.5 | 97.6 | 95.9 | 95.1 | 95.1 | 96.7 |