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chembl-database

Query ChEMBL for bioactive molecules, targets, and bioactivity data.

Updated Mar 10, 2026
Search Tags:#drug discovery#bioactivity#medicinal chemistry#cheminformatics#chembl#molecule search
One-click install
npx skills add https://github.com/Yezez9/Research-Agent --skill chembl-database-yezez9
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: chembl-database
Source: https://github.com/Yezez9/Research-Agent/tree/main/scientific-skills/chembl-database
Command: npx skills add https://github.com/Yezez9/Research-Agent --skill chembl-database-yezez9

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires chembl_webresource_client, pandas, and includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill provides programmatic access to the ChEMBL database, enabling researchers to query vast amounts of bioactive molecule and drug discovery data, accelerating research in medicinal chemistry and drug development.

Core Features & Use Cases

  • Molecule & Target Queries: Search for compounds by name, structure, or properties; retrieve detailed information about biological targets.
  • Bioactivity Data: Find IC50, Ki, EC50 values and other activity measurements for compounds against specific targets.
  • Structure-Based Searches: Perform similarity and substructure searches to identify novel drug candidates.
  • Drug Information: Retrieve data on approved drugs, their mechanisms of action, and indications.
  • Use Case: A medicinal chemist can use this skill to find all known inhibitors of a specific protein target with IC50 values below a certain threshold, and then analyze their chemical structures for structure-activity relationships.

Quick Start

Use the chembl-database skill to find compounds with an IC50 value less than 100 nM for the target CHEMBL203.

Frequently Asked Questions about chembl-database

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I query the ChEMBL database for bioactivity data like IC50 and Ki values?▼

You can query ChEMBL database for bioactivity data by searching for compounds against specific targets to retrieve IC50, Ki, and EC50 measurements. The skill enables programmatic access to find known inhibitors based on defined activity thresholds.

Can I perform structure-based searches for drug discovery using ChEMBL?▼

Yes, structure-based searches are supported in ChEMBL for drug discovery. You can perform similarity and substructure searches to identify novel drug candidates by querying compounds directly by their chemical structure and properties.

What's the best way to find approved drugs and their mechanisms of action in ChEMBL?▼

The best way to find approved drugs and their mechanisms of action in ChEMBL is by using molecule and target queries. You can retrieve detailed drug information including specific indications and biological target data programmatically.

How do I retrieve all compounds with an IC50 below 100 nM for a specific target?▼

To retrieve compounds with an IC50 below 100 nM for a specific target like CHEMBL203, query the ChEMBL database by target ID and filter the bioactivity results by the desired IC50 threshold to support structure-activity relationship studies.

Does this ChEMBL query tool require pandas and chembl_webresource_client to work?▼

Yes, the ChEMBL query tool requires both the chembl_webresource_client and pandas dependencies to function. These libraries enable programmatic database access and allow you to structure the retrieved bioactive molecule data for analysis.

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