Figure 2From: Neutralization sensitivity of HIV-1 subtype B’ clinical isolates from former plasma donors in ChinaLength of the gp120 V1-V5 subregions and the number of PNGS in the gp120 V1-V5 subregions. The values on the y-axis indicate the length in amino acids (AA) (a) and the number of PNGS (b) in the gp120 V1-V5 subregions of 12 HIV-1 subtype B’ isolates.Back to article page