Combining docking, molecular dynamics and the linear interaction energy method to predict binding modes and affinities for non-nucleoside inhibitors to HIV-1 …

J Carlsson, L Boukharta, J Åqvist - Journal of medicinal chemistry, 2008 - ACS Publications
J Carlsson, L Boukharta, J Åqvist
Journal of medicinal chemistry, 2008ACS Publications
Docking, scoring, molecular dynamics (MD), and the linear interaction energy (LIE) method
are used here to predict binding modes and affinities for a set of 43 non-nucleoside
inhibitors to HIV-1 reverse transcriptase. Starting from a crystallographic structure, the
binding modes of 43 inhibitors are predicted using automated docking. The Goldscore
scoring function and the LIE method are then used to determine the relative binding free
energies for the inhibitors. The Goldscore scoring function does not reproduce the relative …
Docking, scoring, molecular dynamics (MD), and the linear interaction energy (LIE) method are used here to predict binding modes and affinities for a set of 43 non-nucleoside inhibitors to HIV-1 reverse transcriptase. Starting from a crystallographic structure, the binding modes of 43 inhibitors are predicted using automated docking. The Goldscore scoring function and the LIE method are then used to determine the relative binding free energies for the inhibitors. The Goldscore scoring function does not reproduce the relative binding affinities for the inhibitors, while the standard parametrization of the LIE method reproduces the experimental binding free energies for 39 inhibitors with an R2 = 0.70 and an unsigned average error of 0.8 kcal/mol. The present calculations provide a validation of the combination of docking, MD, and LIE as a powerful tool in structure-based drug design, and the methodology is easily scalable for attaining a higher throughput of compounds.
ACS Publications
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