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Structural determinants of HIV-1 reverse transcriptase stereoselectivity towards (beta)-L-deoxy- and dideoxy-pyrimidine nucleoside triphosphates: molecular basis for the combination of L-dideoxynucleoside analogs with non-nucleoside inhibitors in anti HIV chemotherapy.


Maga, G; Amacker, M; Hübscher, U; Gosselin, G; Imbach, J L; Mathé, C; Faraj, A; Sommadossi, J P; Spadari, S (2006). Structural determinants of HIV-1 reverse transcriptase stereoselectivity towards (beta)-L-deoxy- and dideoxy-pyrimidine nucleoside triphosphates: molecular basis for the combination of L-dideoxynucleoside analogs with non-nucleoside inhibitors in anti HIV chemotherapy. Nucleosides, Nucleotides and Nucleic Acids, 18(4-5):795-805.

Abstract

We have compared the HIV-1 RT mutants containing the single substitutions L100I, K103N, V106A, V179D, Y181I and Y188L, known to confer NNI-resistance in treated patients, to HIV-1 RT wt for their sensitivity towards inhibition by D- and L-deoxy- and dideoxy-nucleoside tiphosphates. The results showed a differential effect of the substitutions on the affinity for both D- and L-enantiomers of deoxy- and dideoxy-nucleoside triphosphates and provide a rationale for the utilization of L-dideoxynucleoside analogs with NNI in combination chemotherapy.

We have compared the HIV-1 RT mutants containing the single substitutions L100I, K103N, V106A, V179D, Y181I and Y188L, known to confer NNI-resistance in treated patients, to HIV-1 RT wt for their sensitivity towards inhibition by D- and L-deoxy- and dideoxy-nucleoside tiphosphates. The results showed a differential effect of the substitutions on the affinity for both D- and L-enantiomers of deoxy- and dideoxy-nucleoside triphosphates and provide a rationale for the utilization of L-dideoxynucleoside analogs with NNI in combination chemotherapy.

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3 citations in Web of Science®
4 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed
Communities & Collections:05 Vetsuisse Faculty > Institute of Veterinary Biochemistry and Molecular Biology
Dewey Decimal Classification:570 Life sciences; biology
Language:English
Date:15 May 2006
Deposited On:11 Feb 2008 12:18
Last Modified:05 Apr 2016 12:16
Publisher:Taylor & Francis
ISSN:1525-7770
Publisher DOI:10.1080/15257779908041566
PubMed ID:10432681

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