DELTA

Building Knowledge. One Structure At A Time.

Three Column Layout

Welcome to DELTA


DELTA (Database for Extended Ligand-Targets Analyses)
is a curated resource offering optimized ligand datasets and protein structures
to support computational biology, molecular modeling, and drug discovery research.


Target icon

465

Targets

Ligand icon

233,661

Ligands

Biological data icon

307,438

Biological Data

TARGETS
Targets Overview

The DELTA resource comprises balanced datasets for 465 therapeutically relevant targets, including 240 associated with approved drugs, 201 in clinical investigation, and 24 linked to patented ones. Overall 415 experimentally resolved protein structures, 35 homology and 15 ab initio theoretical models were collected.

VIEW TARGETS →
LIGANDS
Ligands Overview

For each target, DELTA provides a balanced dataset of experimentally tested ligands, equally distributed between active and inactive compounds. The number of molecules per target is defined by the size of the minority class and ranges from 200 to 1335 compounds. Due to ligand promiscuity across targets, the database encompasses 223,661 unique compounds annotated with 307,438 bioactivity records.

VIEW LIGANDS →

This project was funded by the project MUSA – Multilayered Urban Sustainability Action – project, funded by the European Union – NextGenerationEU, under the National Recovery and Resilience Plan (NRRP) Mission 4 Component 2 Investment Line 1.5: Strengthening of research structures and creation of R &D “innovation ecosystems”, set up of “territorial leaders in R&D” (CUP G43C22001370007, Code ECS00000037).

By accessing or using the DELTA software, website, database, or any related services (“Software”) you acknowledge that you have read, understood, and agree to be bound by our Terms and Conditions. If you do not agree to these terms, you are not authorized to access or use the Software.

DELTA © 2025 by MUSA is licensed under CC BY-SA 4.0