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. 2003 Aug 20;100(19):11013–11018. doi: 10.1073/pnas.1832214100

Table 3. Phenotypes of recombinant viruses carrying in vitro mutagenized envelopes.

Envelope Substitutions EC50, nM ± SD Fold resistance*
LAI Wild type 4 ± 1 1
V68A <15 <4
V68A/M434I 309 ± 72 77
M426L 462 ± 158 116
M434I 17 ± 2 4
M434I/I595F 1,990 ± 70 498
I595F 32 ± 10 8
NL4-3 Wild type 67 ± 4 1
M475I 2,689 ± 304 40
R350K 38 ± 4 0.6
R350K/M475I 1,028 ± 296 15

Major substitutions are shown in bold.

*

Fold resistance, EC50 for resistant variants/EC50 wild-type strains.