1st eela-2 grid school
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META-DOCK. 1st EELA-2 Grid School. Jérôme Verleyen Juan Manuel Hurtado Rámirez Enrique M e rino Pérez. 2-15 November 2008. Introduction. What is Docking?. But we are talking about proteins. What is a protein?. Protein is a gen product. Biological Process (Transcription, Traduction). - PowerPoint PPT PresentationTRANSCRIPT
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1st EELA-2 Grid School 2-15 November 2008.
Jérôme Verleyen
Juan Manuel Hurtado Rámirez
Enrique Merino Pérez
META-DOCK
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Introduction
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What is Docking?
But we are talking about proteins
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Protein is a gen product.
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DNA Protein
Biological Process (Transcription, Traduction)
What is a protein?
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Proteins functions. Regulators, defensives, catalyst, structure, etc.
Example of protein
regulator and pathways
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Disease example
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Example pathways problems
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How to block this protein?
LIGAND
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Now, what is Protein docking in silico
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Now, what is Protein docking in silico
Movie: by Autodock site
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How to do protein-ligand docking in silico.
First application port to Grid :
http://autodock.scripps.edu/
AutoDockThe Scripps Research Institute
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Step 1. Preparing protein receptor.
Adding Hydrogen atoms Adding charges
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Step 2. Grid parameter file.
Defining area of grid
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Which ligands?
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Data Bases of ligands:
- Free access.- Commercial access.
By example free access for:ZINC. (8 millions of ligands)NCI Diversiy set.
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Genetic algorithm Lamarckian: Local search. Simulated annealing.
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Docking selection parameters.
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Running virtual screening.
Calculate maps for each ligand’s atoms
Executing docking.
Analysis of results.
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Analyzing results .
Docked energy
226.96 Kcal/mol 2120.96 Kcal/mol 1690.96 Kcal/mol
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Thanks to EELA project.
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Muito obrigado!
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Questions