Sygnature Discovery’s ligand-based drug design (LBDD) capabilities offer a powerful alternative when protein structures are unavailable.

Our computational chemists use ligand-derived insights, such as pharmacophore features, shape, and electrostatics, to guide compound design and optimization across the discovery pipeline.

Expert knowledge is combined with advanced tools, including generative AI, matched molecular pair analysis, and predictive modeling, to explore novel scaffolds, improve ADME properties, and prioritize the most promising ideas. Close collaboration with medicinal chemistry teams ensures that every design decision is data-driven and aligned with program objectives.

Colourful molecular model illustrating ligand-based drug design approach, showing pharmacophore features and electrostatic interactions used for compound optimization.

Our Ligand Based
Drug Design
Solutions

illustration of scaffold hopping and fragment replacement strategies for generating novel compounds in ligand-based drug design.
Digital illustration of two hands forming a connection through a glowing network of nodes, symbolizing artificial intelligence in computational drug discovery workflows.
screenshot of QSAR models and matched molecular pair analysis tools used for predictive compound optimization.
graph and molecular visualization showing confirmational analysis and quantum mechanics geometry optimization for compound design.
colourful molecular diagram illustration pharmacophore alignment and shape-based screening for ligand-based drug design.

Key Benefits

A knowledge-based approach to lead
identification

Seamless collaboration with medicinal
chemistry teams

Access to industry-leading leading
literature and patent exploration tools

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AI Meets Expertise: A hybrid Workflow For Modern Target ID | QIAGEN & Sygnature
AI Meets Expertise: A hybrid Workflow For Modern Target ID | QIAGEN & Sygnature
In drug discovery, generating targets is no longer the challenge. The real question is how to identify the few worth investing months of research and significant resources to pursue. Hear expert perspectives on how AI, pathway analysis and scientific expertise are shaping modern target identification.
Webinars & Podcasts
AI Meets Expertise: A Hybrid Approach to Modern Target Identification
AI Meets Expertise: A Hybrid Approach to Modern Target Identification
This article is adapted from a webinar featuring Daniel Bakowski, PhD (Sygnature Discovery), Saurav…
Blog
Accelerating Molecular Glue Optimization/Prioritization Using a Computational Workflow
Accelerating Molecular Glue Optimization/Prioritization Using a Computational Workflow
Molecular glues are transforming targeted protein degradation but optimization remains complex and resource-intensive. This poster presents an integrated computational chemistry workflow combining generative AI and physics-based modelling to enable faster, more rational molecular glue design and prioritization.
Posters
Multidisciplinary review method for novel target identification and prioritization for neurodegenerative diseases
Multidisciplinary review method for novel target identification and prioritization for neurodegenerative diseases
Tatiana Rosado Rosenstock, Hiromitsu Ohzeki, Shohei Kumagai, Natsuno Suda, Colin Sambrook Smith Abstract Target identification (Target ID) is a foundational, multi-disciplinary…
Journal Papers
The bactericidal FabI inhibitor Debio 1453 clears antibiotic-resistant Neisseria gonorrhoeae infection in vivo
The bactericidal FabI inhibitor Debio 1453 clears antibiotic-resistant Neisseria gonorrhoeae infection in vivo
Vincent Gerusz, Pierre Regenass, Quentin Rousseau, Victor Moraine, Justine Dao, Xavier Lavé, Shampa Das, Josée Hue Perron, Laurence Fajas Descamps, Juan Bravo, Guennaëlle Dieppois, Nachum…
Journal Papers

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Virtual Screening
Generative AI and Machine Learning
3D molecular structure visualization used in computer aided drug design, representing structure-based and ligand-based approached for predictive modelling in drug discovery.