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. 2010 Sep 15;84(23):12429–12436. doi: 10.1128/JVI.01102-10

FIG. 3.

FIG. 3.

Alignment of C2, V3, and C3 amino acid sequences from the reference HIV-2ALI strain and the other primary HIV-2 isolates analyzed in the present study. Amino acids only present in the V3 region of the X4 neutralization-resistant isolates are shown in boldface letters.