Target Fisher: A Consensus Structure-Based Target Prediction Tool, and its Application in the Discovery of Selective MAO-B Inhibitors.

Journal: Chemistry (Weinheim an der Bergstrasse, Germany)
Published Date:

Abstract

In this work we introduce Target Fisher, a consensus structure-based target prediction tool that integrates molecular docking and machine learning with the aim to aid in the identification of potential biological targets and the optimization of the use of bioassays. Target Fisher uses per-residue energy decomposition profiles extracted from docking poses as fingerprints to train target-specific machine learning models. It provides predictions for a curated set of 37 protein targets, covering a diverse range of biological entities, and offers a user-friendly interface accessible via a web server (https://gqc.quimica.unlp.edu.ar/targetfisher/). In this sense, Target Fisher is a valuable tool to aid organic and medicinal chemistry groups in target identification, drug discovery and drug repurposing. As a case study, we demonstrate the efficacy of Target Fisher by screening a small library of assorted natural products for targets relevant to neurodegenerative diseases, which resulted in the identification and experimental validation of selective inhibitors of monoamine oxidase B (MAO-B).

Authors

  • Julián F Fernández
    Departamento de Quimica Organica, Facultad de Ciencias Exactas, Universidad de Buenos Aires, Intendente Guiraldes 2160, Buenos Aires, Argentina.
  • Leandro Martinez Heredia
    CEQUINOR (UNLP-CONICET, CCT-La Plata, associated with CIC), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, Blvd. 120 1465, La Plata, Argentina.
  • Fernando Caracciolo
    Departamento de Quimica Organica, Facultad de Ciencias Exactas, Universidad de Buenos Aires, Intendente Guiraldes 2160, Buenos Aires, Argentina.
  • Daniel Esses
    Departamento de Quimica Organica, Facultad de Ciencias Exactas, Universidad de Buenos Aires, Intendente Guiraldes 2160, Buenos Aires, Argentina.
  • Rodrigo Suarez
    Departamento de Quimica Organica, Facultad de Ciencias Exactas, Universidad de Buenos Aires, Intendente Guiraldes 2160, Buenos Aires, Argentina.
  • Gaston Siless
    Departamento de Quimica Organica, Facultad de Ciencias Exactas, Universidad de Buenos Aires, Intendente Guiraldes 2160, Buenos Aires, Argentina.
  • Concepción Pérez
    Instituto de Química Médica (IQM-CSIC). C/Juan de la Cierva, 3, 28006 Madrid, Spain.
  • María Isabel Rodríguez-Franco
    Instituto de Química Medica, CSIC, Calle Juan de la Cierva, 3, Madrid, 28006, España.
  • Lucía R Fernández
    Departamento de Quimica Organica, Facultad de Ciencias Exactas, Universidad de Buenos Aires, Intendente Guiraldes 2160, Buenos Aires, Argentina.
  • Jorge A Palermo
    Departamento de Quimica Organica, Facultad de Ciencias Exactas, Universidad de Buenos Aires, Intendente Guiraldes 2160, Buenos Aires, Argentina.
  • Martín Lavecchia
    CEQUINOR (UNLP-CONICET, CCT-La Plata, associated with CIC), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, Blvd. 120 1465, La Plata, Argentina.