Structural analysis of reverse transcriptase mutations at codon 215 explains the predominance of T215Y over T215F in HIV-1 variants selected under antiretroviral therapy.

Abstract excerpt

Mutations at codon 215 of HIV-1 reverse transcriptase (RT) confer resistance to nucleoside analogs through RT-catalyzed ATP-dependent phosphorolysis. We showed that mutation T215Y is predominant over T215F (respectively 38.8 vs. 7.04% of 7312 sequences from a cohort of patients receiving antiretroviral therapy in France). Ambiguous mixtures at codon 215 (e.g. TNYS and TFSI) were resolved by cloning and sequencing...

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