Module

Molecular dynamics

Simulating the stability of protein-ligand complexes over time: system preparation, solvation, equilibration and trajectory analysis.

Duration
3 days (21 h)
Level
Intermediate
Price
On quotation
Format
In person recommended (compute-intensive)
Programme indicatif. Le déroulé ci-dessous décrit le contenu prévu. Les horaires peuvent être ajustés selon le rythme du groupe. Aucune date de session n'est encore fixée.
Learning objectives

By the end of this module, you will be able to

  • Prepare a protein-ligand system for molecular dynamics simulation
  • Choose an appropriate force field and parameters
  • Run minimisation, equilibration and production phases
  • Analyse RMSD, RMSF and hydrogen bond stability
  • Estimate the binding free energy (MM/PBSA, MM/GBSA)

Day 1 — Foundations and preparation

Detailed program — Day 1
Time Content Type
09:00 – 09:30Welcome, introduction of participants and objectivesIntroduction
09:30 – 10:45Theory: why dynamics? Limits of static dockingTheory
10:45 – 11:00Break
11:00 – 12:30Force fields: AMBER, CHARMM, OPLS. Choosing parametersTheory
12:30 – 14:00Lunch
14:00 – 15:30System preparation: solvation, ions, box sizePractical work
15:30 – 15:45Break
15:45 – 17:15Minimisation and equilibrationPractical work
17:15 – 17:45Day summary and questionsWrap-up

Day 2 — Grid, docking and validation

Detailed program — Day 2
Time Content Type
09:00 – 10:00Production phase: duration, time step, trajectory savingTheory
10:00 – 10:45Launching and monitoring the simulationPractical work
10:45 – 11:00Break
11:00 – 12:30RMSD analysis: system stability over timePractical work
12:30 – 14:00Lunch
14:00 – 15:30RMSF analysis: residue flexibilityPractical work
15:30 – 15:45Break
15:45 – 16:45Hydrogen bond analysis over the trajectoryPractical work
16:45 – 17:30Day summary and questionsWrap-up

Day 3 — Consolidation and project

Detailed program — Day 3
Time Content Type
09:00 – 10:30Theory: principles of free energy calculationTheory
10:30 – 10:45Break
10:45 – 12:30MM/PBSA and MM/GBSA: practical implementationPractical work
12:30 – 14:00Lunch
14:00 – 15:30Comparing several ligands: per-residue decompositionPractical work
15:30 – 15:45Break
15:45 – 16:45Interpreting results and common pitfallsPractical work
16:45 – 17:30Final assessment and closingWrap-up

Prerequisites

  • Module 1, notions of classical mechanics
  • Basic notions of classical mechanics
  • Comfortable with the command line

Required equipment

  • Computer with at least 8 GB RAM
  • 8-core processor recommended (dynamics)
  • 20 GB free disk space
  • Software provided: AutoDock Vina, MGLTools, PyMOL

Interested in this module?

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