Tag
Molecular Dynamics
Molecular Modeling How to Predict the Effect of a Mutation on Protein Stability (DynaMut2, mCSM and DDMut): A Step-by-Step Guide Predict how a point mutation changes protein stability with DynaMut2, mCSM and DDMut, and learn to read the ddG sign correctly before… Dr. Abdul Rajjak Shaikh 17 min read Updated Molecular Modeling How to Make a Point Mutation in a Protein Structure and Compare It with the Wild Type (PyMOL Mutagenesis + GROMACS) Mutate a residue in PyMOL, save the mutant correctly, then run a fair wild-type vs mutant MD comparison in GROMACS without overclaiming… Dr. Abdul Rajjak Shaikh 14 min read Updated Molecular Modeling How to Set Up a Membrane Protein MD Simulation with CHARMM-GUI and GROMACS Build a protein-in-bilayer system with CHARMM-GUI Membrane Builder, then run the six-step equilibration ladder in GROMACS without rebuilding anything. Dr. Abdul Rajjak Shaikh 13 min read Updated Molecular Modeling How to Define the Simulation Box in GROMACS with gmx editconf (Cubic vs Dodecahedron): A Step-by-Step Guide Set your GROMACS simulation box with gmx editconf. Choose cubic or dodecahedron, pick the right -d distance, and cut roughly 29 percent… Dr. Abdul Rajjak Shaikh 13 min read Updated Molecular Modeling How to Use gmx cluster: Extract a Representative Structure from a GROMACS Trajectory Learn to run gmx cluster with the gromos method and pull one defensible representative structure from your GROMACS trajectory. Dr. Abdul Rajjak Shaikh 10 min read Updated Molecular Modeling How to Use gmx trjconv: Fix PBC and Extract Frames from a GROMACS Trajectory Learn the exact gmx trjconv commands to remove PBC artifacts, center your protein, strip water, and extract single frames before you run… Dr. Abdul Rajjak Shaikh 10 min read Updated Molecular Modeling How to Generate a GROMACS Topology with pdb2gmx: A Step-by-Step Beginner’s Guide Learn to run gmx pdb2gmx step by step, pick a force field and water model, and fix the "residue not found" error… Dr. Abdul Rajjak Shaikh 8 min read Updated Molecular Modeling How to Perform Energy Minimization in GROMACS: A Step-by-Step Tutorial Run energy minimization in GROMACS with the exact em.mdp settings, grompp and mdrun commands, and convergence checks. Learn to read Fmax and… Dr. Abdul Rajjak Shaikh 10 min read Updated Molecular Modeling How to Solvate a Protein and Add Ions in GROMACS (gmx solvate and gmx genion), Step by Step Solvate a protein and add neutralizing ions in GROMACS with the exact gmx solvate, grompp and gmx genion commands. Fix the SOL… Dr. Abdul Rajjak Shaikh 10 min read Updated Molecular Modeling GROMACS NVT and NPT Equilibration: A Step-by-Step Guide for Beginners Run NVT then NPT equilibration in GROMACS with the exact commands, .mdp settings, and convergence checks. Learn why both phases matter and… Dr. Abdul Rajjak Shaikh 10 min read Updated