Guides and tutorials
Computational life sciences, explained step by step.
Real commands, real parameters, and the errors that actually catch people out. Written by researchers who use these tools.
Career Guide How to Apply for a Bioinformatics PhD in India and Abroad: Eligibility, Funding and Timeline Compare the Indian, US and European PhD routes, check your eligibility, find who funds you, and start the cycle early enough to… Ragini Mishra 17 min read Drug Design Why AutoDock Vina Gives Different Results Every Time (Exhaustiveness, Seed and Reproducible Docking) Vina's search is non-deterministic, so scores shift between runs. Learn what exhaustiveness controls, how --seed fixes it, and how to report both. Dr. Abdul Rajjak Shaikh 11 min read Molecular Modeling How to Run GROMACS on an HPC Cluster with SLURM: Job Scripts, Modules and Restarts Move your GROMACS run from a laptop to a shared cluster. Load the right module, write a correct sbatch script, and restart… Dr. Abdul Rajjak Shaikh 12 min read Molecular Modeling How to Run an MD Simulation of a Vaccine Construct-TLR Complex in GROMACS: Setup, Length and What to Report Take a docked vaccine construct into GROMACS: which pose to carry forward, force field and box setup, how many replicas to run,… Ragini Mishra 17 min read Molecular Modeling How to Install PyMOL for Free (Open-Source PyMOL on Windows, Linux and Mac): A Step-by-Step Guide for Students Open-source PyMOL is free under a BSD-like licence. Install it with one conda command on Windows, Linux or Mac, then verify it… Dr. Abdul Rajjak Shaikh 13 min read Bioinformatics How to Get the Right Protein Sequence from UniProt for Modelling (Canonical Isoform, Signal Peptide and Residue Numbering) Pick a reviewed Swiss-Prot entry, take the canonical isoform, cut the signal peptide, and check the PDB offset before you model. Follow… Dr. Abdul Rajjak Shaikh 13 min read Career Guide How to Build a Bioinformatics Portfolio as a Student: Projects, Code and Proof of Skill Build a bioinformatics portfolio that a reviewer can actually run: project scope, repository layout, README contents and the claims to leave out. Ragini Mishra 12 min read Molecular Modeling How to Install AutoDock Vina on Windows 10 and 11: A Step-by-Step Guide for Beginners (Vina 1.2.7 + AutoDockTools) Install AutoDock Vina 1.2.7 on Windows the way it ships today: one bare .exe, no MSI, plus MGLTools for AutoDockTools. Follow the… Dr. Abdul Rajjak Shaikh 13 min read Updated Career Guide Life Science PhD, Fellowship and Scholarship Deadlines: 21 Close by 31 August 2026 177 life science funding calls, every one verified on the funding organisation's own page. Twenty-one close by 31 August 2026, four of… Dr. Abdul Rajjak Shaikh 49 min read Updated Molecular Modeling How to Fix Missing Residues and Loops in a PDB Structure Before Docking or MD (ChimeraX, SWISS-MODEL and MODELLER) Find the gaps your crystal structure never resolved, decide which ones matter, and rebuild them in ChimeraX, SWISS-MODEL or MODELLER before docking… Dr. Abdul Rajjak Shaikh 15 min read
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