Trp229 is part of the nonnucleoside reverse transcriptase inhibitor (NNRTI)-binding pocket of HIV-1 reverse transcriptase (RT). It is also an important constituent of the so-called "primer grip." Using a recombinant virus assay, we tried to obtain recombinant virus containing a Trp229Phe or a Trp229Tyr mutation in its RT. Previous studies already established the very low DNA polymerase activities of both the Trp229Phe and the Trp229Tyr mutant RT enzymes. We were able to obtain a Trp229Tyr but...Expand abstract
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Mutations at amino acid positions 63, 189, and 396 of human immunodeficiency virus type 1 reverse transcriptase (RT) partially restore the DNA polymerase activity of a Trp229Tyr mutant RT.
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