Aim
This advanced, hands-on internship is designed to train participants in core workflows of Computer-Aided Drug Design (CADD), focusing on molecular docking, QSAR (Quantitative Structure–Activity Relationship) modeling, and pharmacophore-based screening. You will learn how to prepare targets and ligands, run docking and interpret binding interactions, build QSAR models with meaningful descriptors, and design pharmacophore hypotheses—ending with a portfolio-ready mini-project aligned with real discovery pipelines.
Program Objectives
- Build CADD Workflow Skills: Learn end-to-end computational screening pipelines used in early drug discovery.
- Master Molecular Docking: Perform protein/ligand preparation, docking runs, and binding interaction analysis.
- Develop QSAR Models: Generate descriptors, build ML-based QSAR models, validate them, and interpret results.
- Learn Pharmacophore Modeling: Create ligand- and structure-based pharmacophores for virtual screening.
- Improve Scientific Rigor: Understand validation, reproducibility, and reporting standards for CADD studies.
- Hands-on Internship Output: Complete a capstone project (docking + QSAR/pharmacophore) with a final report.
Program Structure
Module 1: Drug Discovery Basics + Where CADD Fits
- Drug discovery pipeline overview: target → hit → lead → optimization.
- What CADD can accelerate (and what it cannot replace).
- Key concepts: binding affinity, selectivity, drug-likeness, ADMET thinking.
- Understanding datasets and confidence: crystal structures vs predicted models.
Module 2: Protein & Ligand Preparation (The Step Most People Get Wrong)
- Fetching protein structures (PDB) and understanding chain/active-site selection.
- Cleaning proteins: water removal decisions, missing residues, protonation, charges.
- Ligand preparation: SMILES → 3D, tautomer/ionization states, energy minimization.
- Defining binding sites: co-crystal ligands, pocket prediction, grid box setup.
Module 3: Molecular Docking Workflow
- Docking fundamentals: scoring functions, search algorithms, pose generation.
- Running docking experiments (single ligand and batch docking).
- Pose selection: docking score vs interaction quality (how to avoid false confidence).
- Interaction analysis: H-bonds, hydrophobic contacts, salt bridges, π-π stacking.
Module 4: Docking Validation & Post-Docking Filtering
- Redocking and RMSD: checking if your docking is reliable.
- Consensus docking (concept) and rescoring basics.
- Filtering hits: Lipinski/Veber rules, PAINS alerts (concept), basic toxicity flags.
- Prioritizing compounds for wet-lab testing: practical decision framework.
Module 5: QSAR Fundamentals (From Chemistry to Predictive Models)
- What QSAR predicts and what it needs: curated data, consistent endpoints.
- Data preprocessing: duplicates, outliers, activity transformations (pIC50).
- Descriptors and fingerprints: 1D/2D/3D descriptors, Morgan fingerprints.
- Train/validation/test split strategies and why random split can fail.
Module 6: Building QSAR Models (Hands-on ML)
- Baseline models: Linear regression, Random Forest, SVR (concept + practice).
- Classification vs regression QSAR: when to use which.
- Model evaluation: R², RMSE, MAE, ROC-AUC (and what “good” really means).
- Feature importance and interpretability: linking chemistry to predictions.
Module 7: Pharmacophore Modeling & Virtual Screening
- Pharmacophore basics: H-bond donors/acceptors, hydrophobics, aromatic features.
- Ligand-based pharmacophore: building from active compound sets.
- Structure-based pharmacophore: using protein–ligand interactions.
- Virtual screening workflow: pharmacophore filter → docking → rescoring.
Module 8: Mini-Pipeline Integration (How Real CADD is Done)
- Designing a combined workflow: pharmacophore + docking + QSAR prioritization.
- Hit ranking and shortlisting with multi-criteria decision-making.
- Reproducible reporting: parameters, versions, and result traceability.
- Writing a discovery-style report: methods, results, limitations, next steps.
Final Project
- Select a target (enzyme/receptor) and a compound set (known actives + candidates).
- Perform docking and interaction analysis to shortlist hits.
- Build a QSAR model (or pharmacophore model) to prioritize candidates.
- Deliverables: full workflow report + figures/tables + shortlist rationale.
- Example projects: docking inhibitors for a cancer target, QSAR for antimicrobial activity, pharmacophore for kinase inhibitors.
Participant Eligibility
- UG/PG/PhD students in Pharmacy, Biotechnology, Bioinformatics, Chemistry, or related fields
- Researchers working in drug discovery, molecular biology, or computational biology
- Professionals seeking practical upskilling in CADD workflows
- Basic familiarity with chemistry/biomolecules is recommended (no heavy coding required)
Program Outcomes
- Practical CADD Skills: Ability to run docking, QSAR, and pharmacophore workflows with confidence.
- Better Scientific Judgment: Understand validation and avoid common interpretation mistakes.
- Portfolio-Ready Project: A complete mini-project you can present for internships, jobs, or research.
- Research Readiness: Improved ability to read and write CADD sections in papers and reports.
Program Deliverables
- Access to e-LMS: Full access to internship materials, tutorials, and datasets (where applicable).
- Hands-on Internship Work: Guided sessions for docking, QSAR, and pharmacophore modeling.
- Project Guidance: Mentor support for target selection, workflow design, and final reporting.
- Final Assessment: Certification after successful completion of assignments + capstone project.
- e-Certification and e-Marksheet: Digital credentials provided upon successful completion.
Future Career Prospects
- CADD Analyst / Computational Drug Discovery Associate
- Bioinformatics & Cheminformatics Research Assistant
- Molecular Modeling & Virtual Screening Associate
- QSAR / ML Modeling Associate (Drug Discovery)
- Pharmacophore & Structure-Based Design Support Roles
Job Opportunities
- Pharma & Biotech: Drug discovery and preclinical R&D teams.
- CROs: Computational chemistry and modeling support divisions.
- Research Labs: Universities and institutes working on in-silico screening and design.
- Healthtech Startups: AI/ML-driven drug discovery platforms and discovery support tools.




