Tag
Molecular Dynamics
Molecular Modeling Ramachandran Plot from a GROMACS Trajectory (gmx rama) Learn to run gmx rama on an MD trajectory, plot every frame as a phi/psi density in Python, and spot residues that… Dr. Abdul Rajjak Shaikh 14 min read Molecular Modeling GROMACS Protein Cofactor Simulation: Heme, NAD+ and FAD Keep heme, NAD+ or FAD in your GROMACS run: check the force field first, then parameterize only what is missing. Follow the… Dr. Abdul Rajjak Shaikh 13 min read Molecular Modeling Salt Bridge Analysis in GROMACS: gmx saltbr vs pairdist Track a salt bridge across a GROMACS trajectory with gmx pairdist, compute its occupancy in Python, and learn why gmx saltbr misleads.… Dr. Abdul Rajjak Shaikh 13 min read Molecular Modeling gmx hbond for Protein-Ligand H-Bonds in GROMACS 2024+ Count protein-ligand hydrogen bonds with the new gmx hbond in GROMACS 2024+, or hbond-legacy. Copy the exact commands, get occupancy and read… Dr. Abdul Rajjak Shaikh 12 min read Molecular Modeling Ligand RMSD in GROMACS: Fit, Fix PBC, Read the Plot Calculate ligand RMSD in GROMACS the right way: fit on the protein backbone, fix periodic jumps first, and learn to read stable,… Dr. Abdul Rajjak Shaikh 11 min read Updated Molecular Modeling PyMOL vs VMD vs ChimeraX: Which Should You Learn? Pick your molecular visualization tool by the job it does. Compare PyMOL, VMD and ChimeraX on licence, platforms and scripting before you… Dr. Abdul Rajjak Shaikh 13 min read Molecular Modeling Wild-Type vs Mutant MD Simulation in GROMACS Design a wild-type versus mutant MD comparison in GROMACS that survives examination: matched protocol, replicas, and a difference you can defend. Dr. Abdul Rajjak Shaikh 16 min read Molecular Modeling How to Run an MD Simulation of DNA or RNA in GROMACS Learn exactly what changes when you simulate a nucleic acid instead of a protein in GROMACS: force field, ions, box and analysis. Dr. Abdul Rajjak Shaikh 17 min read Updated Molecular Modeling How Many Replicate MD Simulations Should You Run? Learn why one trajectory is not enough, how many replicas an MSc project needs, and how to run and report them in… Dr. Abdul Rajjak Shaikh 11 min read Molecular Modeling How to Write a Molecular Docking and MD Results Section Report docking and MD results the way examiners expect: the affinity table, the redocking control, which plots earn a figure, and standalone… Dr. Abdul Rajjak Shaikh 14 min read