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Ihosvany Camps

Ihosvany Camps

Federal University of Alfenas, Brazil

Title: Is molecular docking the holy grail of computational modelling?

Biography

Biography: Ihosvany Camps

Abstract

The molecular docking is the most used technique to theoretically study ligand-receptor interactions. The goal of the talk is to present the evolution and fundamental aspects behind the molecular docking together with other computational modelling methods capable of giving better information about the ligand-protein interactions than simple docking and ligands with better binding energy. In the first part of the talk, the types of docking (rigid-rigid, rigid-flexible and flexible-flexible) together with its different methods of implementation (mainly Monte Carlo, Genetic Algorism and Ant Colony Optimization) are analyzed side-by-side with other techniques like full complex optimization, quantum mechanic polarized ligand docking and fragment molecular orbital. The use and meaning of evaluation functions (score functions) is discussed together with the softwares were they are implemented and they possible relationship with experimental variables. The second part of the talk is dedicated to different methods used to generate new ligands with better interaction (binding) energy to specific targets. Such techniques include fragment-based drug design and de novo design. These techniques generate libraries with thousands of molecules that should be filtered using criteria likes the Tanimoto coefficient of similarity together with ADME (adsorption, distribution, metabolism, excretion) descriptors in order to obtain better drug candidates. We acknowledge financial support of FAPEMIG.

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