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aAll available hypermutant HIV-1 subtype B reverse transcriptase sequences in the Los Alamos HIV Sequence Database [40] were analyzed (1 sequence sampled per individual, 10 total). Listed resistance positions are potential targets of APOBEC3G and/or APOBEC3F. Class of antiretroviral resistance listed in brackets (NRTI = nucleoside RT inhibitor, NNRTI = non-nucleoside RT inhibitor) [51]. Nucleotides in parentheses are immediately downstream of codons involved in antiretroviral resistance, and are included in the APOBEC3 dinucleotide target motifs. x = synonymous (silent) mutation, * = canonical resistance codon.
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