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Different patterns of cross-reactivity expressed by CTL lines recognizing HIV-2 Gag sequences 181–192 and 241–252 and comparison of amino acid sequences of HIV-2ROD and HIV-1 clade A1, A2, B, and C Gag expressed by different rVV in these two regions. Amino acids which differ from the HIV-2 index sequence are indicated within the boxes. The amino acid sequence of the HIV-1 B57-B58-restricted Gag epitope 240–249 is also shown.
