A methodology has been developed for the simulation of induced fit between a ligand and its target protein. It utilizes constrained molecular dynamics where atoms determined to be immobile from difference distance matrix studies are fixed. Application of this methodology to HIV-1 reverse transcriptase (RT) as the example target protein has demonstrated its robustness. Short simulation times are sufficient to achieve good refinement of docking poses resulting from exchange of structurally dissimilar inhibitors between crystal structures.
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This article was orignally published as Garner, J, Deadman, J, Rhodes, D, Griffith, R and Keller, PA, A New Methodology for the Simulation of Flexible Protein – Ligand Interactions, Journal of Molecular Graphics and Modeling, 2007, 187-197. Copyright Elsevier. Original journal available here.