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Frequency of KF11 mutations (A163G and S165N) and S173T in C clade virus Gag sequences (n = 1,899). HIV-1 p24 Gag sequences were analyzed for the presence of the KF11 mutations, A163G and S165N, in the presence of Thr-173 and Ser-173. B*57:03-positive subjects (A) and B*57-negative subjects (B) were analyzed. Fisher's exact tests were performed.
