Table 5.
Mutational analysis to locate amino acid residues responsible for differences in sensitivity/resistance to neutralization by HIV-positive sera possessing broadly neutralizing antibodiesa
Subject or virus | Clone | Phenotype or mutation | Neutralization titer (IC50) of HIV-positive serum (1/dilution) |
||
---|---|---|---|---|---|
Z23 | N16 | Z1679 | |||
172297 | 013 | wtR | 230 | 40 | 133 |
028 | wtS | 12,161 | 1,839 | 4,124 | |
013 | Y384H/L702P | 10,285 | 1,304 | 2,736 | |
013 | T60A/N136K | 267 | <100 | 153 | |
013 | Y384H | 3,219 | 480 | 793 | |
013 | L702P | 2,089 | 428 | 787 | |
013 | D460N/S465N | 298 | <100 | <100 | |
013 | L345I | 417 | 51 | 208 | |
013 | V535A | 519 | <100 | 241 | |
172946 | 008 | wtR | 198 | 52 | 167 |
025 | wtS | 6,245 | 1,557 | 2,671 | |
008 | I423T/G589D | 6,434 | 1,202 | 2,224 | |
008 | I423T | 1,275 | 200 | 561 | |
008 | G589D | 128 | <100 | 119 | |
008 | K92E/S142G | 258 | 43 | 172 | |
008 | R696K/F765L | 184 | <100 | 133 | |
JRCSF | 337 | 196 | 164 | ||
NL4-3 | 3,708 | 1,543 | 3,701 | ||
aMLV | <100 | <100 | <100 |
Refer to the footnote to Table 3 for details.