نتایج جستجو برای: reverse transcriptase
تعداد نتایج: 109617 فیلتر نتایج به سال:
The intrinsic properties of reverse transcriptase in reverse transcription were studied using a synthetic, partial ovalbumin mRNA with a synthetic DNA oligonucleotide annealed to the 3'-end of the RNA as a model substrate. With or without concomitant cDNA synthesis, the RNase H activity of avian myeloblastosis virus (AMV)-reverse transcriptase cleaved the substrate at a site which would leave a...
INTRODUCTION Current Portuguese HIV treatment guidelines recommend initiating antiretroviral therapy with a regimen composed of two Nucleoside Reverse Transcriptase Inhibitors plus one Non-nucleoside Reverse Transcriptase Inhibitor (2NRTI+NNRTI) or two Nucleoside Reverse Transcriptase Inhibitors plus one boosted protease inhibitor (2NRTI+PI/r). Given the lower daily cost of NNRTI as the third a...
It is well established that the cytosine deaminase APOBEC3G can restrict HIV-1 virions in the absence of the virion infectivity factor (Vif) by inducing genome mutagenesis through deamination of cytosine to uracil in single-stranded HIV-1 (-)DNA. However, whether APOBEC3G is able to restrict HIV-1 using a deamination-independent mode remains an open question. In this report we use in vitro prim...
The title compound, C(18)H(15)ClN(2)O(2), is a potential human immunodeficiency virus type-1 (HIV-1) non-nucleoside reverse transcriptase inhibitor. The pyrrolidine ring adopts an envelope and the diazepine ring a boat conformation. In the crystal structure, two isomers (R and S) form centrosymmetric dimers via N-H⋯O hydrogen bonds.
Quinoxapeptin A and B are novel chromodepsipeptides which were isolated from a nocardioform actinomycete with indeterminant morphology. Quinoxapeptins A and B are potent inhibitors of HIV-1 and HIV-2 reverse transcriptase and almost equally active against two single mutants forms as well as a double mutant form of HIV-1 reverse transcriptase. Quinoxapeptin A and B are specific inhibitors of HIV...
Retroviral reverse transcriptase catalyses the synthesis of an integration-competent dsDNA molecule, using as a substrate the viral RNA. Using optical tweezers, we follow the Murine Leukemia Virus reverse transcriptase as it performs strand-displacement polymerization on a template under mechanical force. Our results indicate that reverse transcriptase functions as a Brownian ratchet, with dNTP...
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