Volume 14, Number 2—February 2008
Research
Genetic Determinants of Virulence in Pathogenic Lineage 2 West Nile Virus Strains
Table 3
Percentage amino acid and nucleotide differences when comparing individual proteins of selected West Nile virus strains*
Strain | SA381/00 | H442 | SPU116/89 | SA93/01 |
---|---|---|---|---|
Capsid |
||||
SA381/00 | ||||
H442 | 0 | |||
SPU116/89 | 0 | 0 | ||
SA93/01 |
0 |
0 |
0 |
|
Envelope |
||||
SA381/00 | ||||
H442 | 0.8 | |||
SPU116/89 | 0.2 | 0.6 | ||
SA93/01 |
0.2 |
0.6 |
0 |
|
NS2A/B |
||||
SA381/00 | ||||
H442 | 0.6 | |||
SPU116/89 | 0.3 | 0.8 | ||
SA93/01 |
0.3 |
0.8 |
0 |
|
NS4A/B |
||||
SA381/00 | ||||
H442 | 0.2 | |||
SPU116/89 | 0.2 | 0.5 | ||
SA93/01 |
0 |
0.2 |
0.2 |
|
prM |
||||
SA381/00 | ||||
H442 | 0.6 | |||
SPU116/89 | 0.6 | 0 | ||
SA93/01 |
0.6 |
0 |
0 |
|
NS1 |
||||
SA381/00 | ||||
H442 | 0.9 | |||
SPU116/89 | 0.9 | 0 | ||
SA93/01 |
1.1 |
0.3 |
0.3 |
|
NS3 |
||||
SA381/00 | ||||
H442 | 0.8 | |||
SPU116/89 | 0.6 | 0.5 | ||
SA93/01 |
0.6 |
0.5 |
0 |
|
NS5 |
||||
SA381/00 | ||||
H442 | 0.8 | |||
SPU116/89 | 2.1 | 1.5 | ||
SA93/01 | 1.9 | 1.3 | 2.0 |
*prM, premembrane; NS, nonstructural.