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PearlOmics is a Bioinformatics Research & Innovation Centre focused on bioinformatics, computational biology, teaching, research, and scientific communication. We bridge the gap between higher education, research, and industry through practical training, research support, and scientific expertise.

Computational Drug Discovery & CADD Services

Computational Drug Discovery &
Molecular Modeling Solutions

Accelerate lead discovery and optimization with precision in silico pipelines—from target structure resolution and large-scale virtual screening to dynamic binding kinetics and ADMET profiling.

GROMACS AutoDock Vina Amber SwissADME Validated
Our Offerings

In Silico Drug Discovery Pipelines

Explore our full range of computational drug discovery services — from structure modeling to preclinical optimization.

1. Macromolecular Structure Modeling & Preparation

Homology Modeling & AI-Powered Structure Prediction

Scope

Generating 3D coordinates for unresolved proteins and mutated variants using template-based modeling and AlphaFold / ColabFold pipelines.

Deliverables
Ramachandran Validation Energy-Minimized PDB Active Site Cavity Mapping AlphaFold / ColabFold

Protein Preparation & Binding Site Characterization

Scope

Optimization of protonation states, loop refinement, missing residue reconstruction, and druggability assessment of allosteric and orthosteric pockets.

Deliverables
PDBQT / MAE Coordinates Pocket Volume Calculations Catalytic Residue Annotations

2. Virtual Screening & Hit Identification

Structure-Based Virtual Screening (SBVS)

Scope

High-throughput docking of multi-million compound libraries (ZINC, PubChem, natural product databases) against target catalytic sites.

Deliverables
Ranked Affinity Scores Interaction Fingerprints 2D/3D Binding Poses

Ligand-Based Drug Design (LBDD) & Pharmacophore Modeling

Scope

Feature-based screening derived from known active scaffolds when 3D target structures are unavailable or highly flexible.

Deliverables
3D Pharmacophore Hypothesis Alignment Overlays Database Query Hits

Network Pharmacology & Phytochemical Profiling

Scope

Target identification for polyherbal formulations or multi-component natural products using biological interaction networks.

Deliverables
Cytoscape Network Graphs Degree Centrality Metrics KEGG / GO Mapping

3. Molecular Dynamics Simulations & Binding Thermodynamics

All-Atom MD Simulations

Scope

Evaluating conformational stability of apo-proteins, protein-ligand, and protein-protein complexes under explicit physiological solvent conditions (100+ ns trajectories).

Deliverables
RMSD / RMSF Plots Radius of Gyration (Rg) SASA Analysis H-Bond Longevity Profiles

Free Energy Calculations (MM-PBSA / MM-GBSA)

Scope

Quantitative post-simulation thermodynamic assessment to estimate true binding free energies and per-residue energy decomposition.

Deliverables
ΔGbind Energy Breakdown van der Waals / Electrostatic Solvation Components Binding Hotspot Identification

4. Cheminformatics & Preclinical Optimization

ADMET & Pharmacokinetics Profiling

Scope

Early in silico assessment of drug-likeness (Lipinski's Rule of 5, Veber criteria), oral bioavailability, toxicity risks (hERG inhibition, hepatotoxicity), and BBB permeability.

Deliverables
Comprehensive ADMET Scorecards Radar Plots Synthetic Accessibility Scores BBB Permeability

QSAR & Quantitative Lead Optimization

Scope

Mathematical modeling linking chemical descriptors to biological activity (IC₅₀ / Kᵢ) for rational hit-to-lead analog design.

Deliverables
Validated QSAR Equations R² / Q² Cross-Validation Activity Predictions Novel Derivative Design
Our Process

End-to-End CADD Pipeline

A rigorous, reproducible workflow from target intake to publication-ready deliverables.

1
Target & Library Selection
2
In Silico Screening
3
Dynamic Validation
4
Energy & Mechanistic Profiling
5
Project Deliverables
Start Your CADD Project

Have a Therapeutic Target or
Natural Product Library Ready?

Send us your target PDB ID or SMILES structures for an initial computational feasibility assessment and project scope.