TABLE 3.
Analysis of HIV-1 envelope amino acid sequences
| HIV-1 Env | No. of amino acids in gp120/gp41 | N-linked glycosylation sites in gp120/gp41 | Net charge of V3 | Comment |
|---|---|---|---|---|
| aBR-01 | 524/345 | 25/4 | +3 | |
| aBR-04 | 524/345 | 25/4 | +3 | Conserved His 252 replaced by Arg |
| aBL-01 | 517/345 | 23/5 | +4 | |
| bBR-01 | 514/345 | 29/4 | +4 | Conserved Cys 158 replaced by Arg |
| bBR-03 | 514/345 | 29/4 | +4 | Conserved Leu 578 replaced by Pro |
| bBL-05 | 512/345 | 28/4 | +4 | |
| cBR-06 | 515/346 | 32/5 | +3 | |
| cBR-07 | 515/346 | 31/4 | +4 | |
| cBL-02 | 509/200 | 28/3 | +3 | Premature stop codon in gp41 |
| cBL-03 | 508/220 | 28/3 | +3 | Premature stop codon in gp41 |
| dBR-02 | 504/345 | 23/4 | +5 | |
| dBR-07 | 504/345 | 23/4 | +5 | |
| dBL-04 | 504/345 | 23/4 | +5 | |
| 89.6 | 508/345 | 25/5 | +7 | |
| ADA | 508/346 | 26/5 | +3 | |
| HXB2 | 512/345 | 24/7 | +9 |