Table I.
Percentage difference in amino acid sequence among different strains of immunodeficiency viruses
| Protein | Consensus Clade Ba versus Clade B isolatesb |
SIVmac239a versus SIVsmE660b |
Consensus Clade Ba versus Clade C isolatesb |
|---|---|---|---|
| % | % | % | |
| Tat | 12.5 | 26.0 | 30.5 |
| Rev | 12.1 | 25.0 | 35.3 |
| Nef | 17.7 | 21.3 | 35.2 |
| Vif | 6.8 | 17 | 18.1 |
| Env | 27.4 | 15.1 | 53.1 |
| Vpr | 9.8 | 12.0 | 17.3 |
| Pol | 3.2 | 8.3 | 10.0 |
| Gag | 4.4 | 8.0 | 16.4 |
The mean percentage difference per protein of five clade B and five clade C isolates in comparison to the consensus clade B amino acid sequence. The clade B and C isolates were obtained from the Los Alamos National Laboratory HIV sequence database.
a
Vaccine strain.
b
Challenge strain.