
Trusted Science. Delivered the Way You Need.
Ligand-Based Design
Identify and refine promising candidates with powerful ligand-based shape and electrostatic methods that researchers have trusted for more than 20 years. OpenEye delivers easy-to-use tools with remarkable speed.

Trusted Science.
2D Ligand-Based Methods
- Property Calculation and Filter (FILTER)
- Estimate pKa Value and Protonation (pKa Prospector)
- Tautomer / Protomer Enumeration & Charge Assignment (QUAPAC)
3D Ligand-Based Methods
- Rapid and Accurate Conformer Generation (OMEGA)
- Shape and Chemical Features Similarity Search (ROCS®, FastROCS™, FastROCS Plus)
- Fragment Replacement for Molecular Design (BROOD)
- Electrostatic Similarity for Lead-hopping (EON)
- 3D Quantitative Structure–Activity Relationship (3D-QSAR)


Delivered the Way You Need.
Cadence Announces New Life Sciences Leadership
miniWebinar: Opening up the druggable universe one cryptic pocket at a time
Cocktails & Molecules
Expanding Orion’s Capabilities with AI
miniWebinar: Optimizing lead compounds with efficient binding free energy calculations
miniWebinar: Opening up the druggable universe one cryptic pocket at a time
Cocktails & Molecules
Expanding Orion’s Capabilities with AI
miniWebinar: Optimizing lead compounds with efficient binding free energy calculations
Resources
Glimpse the Future through News, Events, Webinars and more
News
Cadence Announces New Life Sciences Leadership
Cadence Molecular Sciences (OpenEye) (CMS)—a business unit of Cadence Design Systems, Inc. Corporate Vice President, Anthony Nicholls, PhD, has announced his retirement as of January, 2025.
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Webinar
miniWebinar: Opening up the druggable universe one cryptic pocket at a time
In our first miniWEBINAR of 2025 we were talking about a computational workflow to validate difficult-to-drug protein targets in "Opening up the druggable universe one cryptic pocket at a time" session presented by David LeBard, Head of Enhanced Sampling at OpenEye, Cadence Molecular Sciences,
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