Monica E Hamburgh

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Human immunodeficiency virus type 1 (HIV-1) reverse transcriptase (RT) variants with the K65R or L74V substitution display resistance to several nucleoside analogs. An in vitro dNTP exclusion assay revealed an increased fidelity for K65R RT compared with wild-type RT, but little change for L74V RT. When the forward mutation rates were measured via a(More)
Single-base deletions at nucleotide runs or -1 frameshifting by human immunodeficiency virus type 1 (HIV-1) reverse transcriptase (RT) result from template slippage during polymerization. In crystal structures of HIV-1 RT complexed with DNA-DNA template-primer, the palm subdomain in the template cleft contacts the template backbone near the proposed site of(More)
Two nucleoside analog resistance mutations in HIV-1 reverse transcriptase (RT), E89G and M184V, were previously shown to increase the dNTP insertion fidelity of HIV-1 RT. However, forward mutation assays using a lacZ alpha reporter gene have revealed a lack of impact on the overall error rate of these variants. In an effort to investigate the basis for this(More)
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