ArticleBiochimica et biophysica acta2014
A mechanistic and structural investigation of modified derivatives of the diaryltriazine class of NNRTIs targeting HIV-1 reverse transcriptase.
Article in Biochimica et biophysica acta, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 14 citations in OpenAlex.
- Structural biology of HIV-1 reverse transcriptase allosteric inhibitors for drug design.Acta pharmaceutica Sinica. B · 2026Review
- Article
- The Journey of HIV-1 Non-Nucleoside Reverse Transcriptase Inhibitors (NNRTIs) from Lab to Clinic.Journal of medicinal chemistry · 2019Article
- Multiple Machine Learning Comparisons of HIV Cell-based and Reverse Transcriptase Data Sets.Molecular pharmaceutics · 2019Article
- Computer-aided discovery of anti-HIV agents.Bioorganic & medicinal chemistry · 2016Article
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
Abstract
backgroundNon-nucleoside reverse transcriptase inhibitors (NNRTIs) are vital in treating HIV-1 infection by inhibiting reverse transcriptase (RT). Drug toxicity and resistance drive the need for effective new inhibitors with improved physiochemical properties and potent antiviral activity. Computer-aided and structure-based drug design have guided the addition of solubilizing substituents to the diaryltriazine scaffold. These derivatives have markedly improved solubility and maintain low nanomolar antiviral activity against RT. The molecular and structural basis of inhibition for this series was determined to facilitate future inhibitor development with improved pharmacological profiles.
methodsThe molecular mechanism of inhibition was investigated using transient-state kinetic analysis. Crystal structures of RT in complex with each inhibitor were obtained to investigate the structural basis of inhibition.
resultsThe diaryltriazine and its morpholine derivative have RT inhibition constants of 9±2nM and 14±4nM, respectively. They adopt differential binding modes within the non-nucleoside inhibitor binding pocket to distort the catalytic site geometry and primer grip regions. The novel morpholinopropoxy substituent extends into the RT/solvent interface of the NNIBP.
conclusionsKinetic and structural analyses show that these inhibitors behave as conventional NNRTIs and inhibit the polymerization step. This study confirms that appending solubilizing substituents on the azine ring of diaryltriazine class of NNRTIs that extend into the RT/solvent interface effectively maintains low nanomolar potency and improves physiochemical properties. GENERAL SIGNIFICANCE: The modification of NNRTI scaffolds with solubilizing substituents, which extend into the RT/solvent interface, yields potent antivirals and is an effective strategy for developing novel inhibitors with improved pharmacological properties.
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