Introductory Tutorials for Simulating Protein Dynamics with GROMACS.

Area of Science:

• Biophysics
• Computational Biology
• Biochemistry

Background:

• Atomistic molecular dynamics (MD) simulations are crucial for studying biomolecular structure, dynamics, and energetics.
• Advancements in software and hardware allow MD simulations to reach biologically relevant timescales.
• There is a growing demand for accessible training in performing MD simulations.

Purpose of the Study:

• To provide introductory tutorials for performing molecular dynamics (MD) simulations using the GROMACS package.
• To equip new users with foundational knowledge and practical skills in biomolecular simulation.
• To facilitate independent design and execution of MD simulations by researchers.

Main Methods:

• Detailed step-by-step tutorials for three distinct simulation exercises.
• Demonstration of essential GROMACS features and input parameter settings.
• Focus on practical workflows for simulating single proteins, protein complexes, and polypeptide unfolding.

Main Results:

• Successful execution of introductory MD simulations for proteins and complexes.
• Demonstration of umbrella sampling techniques for modeling protein unfolding.
• Clear illustration of key input parameters and simulation setup procedures.

Conclusions:

• These tutorials provide a foundational understanding of MD simulation workflows in GROMACS.
• New users can gain practical experience in setting up and running various types of biomolecular simulations.
• The presented exercises serve as a basis for developing more complex and customized simulation strategies.