>3O3Z_1|Chain A|Envelope glycoprotein gp160|null (32630) XSGIVQQQNNLLRAIEAQQHLLQLTVWGIKQLQARILX >3O3Z_2|Chain B|chimeric alpha/beta peptide based on gp41 CHR domain sequence|null (32630) XXTWEXWDXAIAEYAXRIEXLIXAAQEQQEKNEAALRELX