Oxygen binding isotope effects of triazole-based HIV-1 reverse transcriptase inhibitors indicate the actual binding site

2017 ◽  
Vol 635 ◽  
pp. 87-95
Author(s):  
Agnieszka Krzemińska ◽  
Tomasz Frączek ◽  
P. Paneth
2016 ◽  
Vol 18 (1) ◽  
pp. 310-317 ◽  
Author(s):  
A. Krzemińska ◽  
K. P. Świderek ◽  
P. Paneth

The 18O binding isotope effect allows us to distinguish the actual binding site of an inhibitor in HIV-1 reverse transcriptase.


2019 ◽  
Vol 16 (8) ◽  
pp. 868-881
Author(s):  
Yueping Wang ◽  
Jie Chang ◽  
Jiangyuan Wang ◽  
Peng Zhong ◽  
Yufang Zhang ◽  
...  

Background: S-dihydro-alkyloxy-benzyl-oxopyrimidines (S-DABOs) as non-nucleoside reverse transcriptase inhibitors have received considerable attention during the last decade due to their high potency against HIV-1. Methods: In this study, three-dimensional quantitative structure-activity relationship (3D-QSAR) of a series of 38 S-DABO analogues developed in our lab was studied using Comparative Molecular Field Analysis (CoMFA) and Comparative Molecular Similarity Indices Analysis (CoMSIA). The Docking/MMFF94s computational protocol based on the co-crystallized complex (PDB ID: 1RT2) was used to determine the most probable binding mode and to obtain reliable conformations for molecular alignment. Statistically significant CoMFA (q2=0.766 and r2=0.949) and CoMSIA (q2=0.827 and r2=0.974) models were generated using the training set of 30 compounds on the basis of hybrid docking-based and ligand-based alignment. Results: The predictive ability of CoMFA and CoMSIA models was further validated using a test set of eight compounds with predictive r2 pred values of 0.843 and 0.723, respectively. Conclusion: The information obtained from the 3D contour maps can be used in designing new SDABO derivatives with improved HIV-1 inhibitory activity.


Author(s):  
Sahana Pai ◽  
Jayesh Mudgal ◽  
B. Venkatesh Kamath ◽  
K. Sreedhara Ranganath Pai

AbstractHuman immunodeficiency virus-1 (HIV-1) infection remains to be one of the major threats throughout the world. Many researchers are working in this area to find a cure for HIV-1. The group of the FDA approved drugs which are currently used against HIV-1 in the clinical practice include nucleoside reverse transcriptase inhibitors (NRTIs), non-nucleoside reverse transcriptase inhibitors (NNRTIs), integrase inhibitors (InIs), and protease inhibitors (PIs). Fixed dose combinations (FDCs) of these drugs are available and are used as per the anti-retroviral therapy (ART) guidelines. Despite these, unfortunately, there is no cure for HIV1 infection to date. The present review is focused upon describing the importance of a post-transcriptional regulatory protein “Rev”, responsible for latent HIV-1 infection as a possible, and promising therapeutic target against HIV-1.


1996 ◽  
Vol 39 (8) ◽  
pp. 1645-1650 ◽  
Author(s):  
Rick Gussio ◽  
Nagarajan Pattabiraman ◽  
Daniel W. Zaharevitz ◽  
Glen E. Kellogg ◽  
Igor A. Topol ◽  
...  

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