Diverse and representative peptide set.

<p>The sequences of the four peptides selected to represent the V2 loop region for a variety of HIV-1 viruses. Peptide 1 represents the most polar V2 peptide, Peptide 2 the most commonly occurring peptide, Peptide 3 the most polar peptide of the most common length, and Peptide 4 the published consensus V2 peptide.</p><p>Diverse and representative peptide set.