TABLE 2.

Amino acid mutations in the HIV-1 NL4.3 strain under sustained MVN pressure (up to 700 nm)

High mannose type N-glycan sitea	Mutations in gp120 in the NL4.3-MVNres strain
230NKT232
234NGT236
241NVS243
262NGS264
289NQS291
295NCT297	T297I
332NIS334
339NNT341	T341(T,I)b
386NST388	N386(K,N)
392NST394	N392D
448NIT450

^a Position of the amino acids determined according to Leonard et al. (1).

^b Amino acids in parentheses indicate a mixture of the two amino acids picked up by sequencing in the resistant virus.