cheminformatics

Convert SMILES/SDF molecular structures into computed descriptors and screening outputs.

31|8|Updated Apr 10, 2026
One-click install
npx skills add https://github.com/itallstartedwithaidea/agent-skills --skill cheminformatics-itallstartedwithaidea
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: cheminformatics
Source: https://github.com/itallstartedwithaidea/agent-skills/tree/main/skills/scientific-research/cheminformatics
Command: npx skills add https://github.com/itallstartedwithaidea/agent-skills --skill cheminformatics-itallstartedwithaidea

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Cheminformatics eliminates the trial-and-error bottleneck of drug discovery by turning SMILES/SDF inputs into computable predictions for properties, ADMET risk, and similarity-based screening results.

Core Features & Use Cases

  • Molecular property and descriptor calculation: Computes physicochemical features (e.g., MW, logP, HBD/HBA, TPSA, rotatable bonds) and summarizes Rule-of-Five-style drug-likeness flags.
  • ADMET risk flagging: Translates key computed indicators into practical absorption/toxicity/permeability risk notes.
  • Virtual screening & similarity search: Uses fingerprinting (e.g., Morgan fingerprints) and Tanimoto similarity to retrieve relevant candidate structures from a library.
  • Docking preparation inputs (workflow-oriented): Prepares the pipeline stages needed to move from molecular informatics into downstream docking candidate ranking.
  • Chemical space exploration support: Enables clustering/visualization steps (e.g., using embeddings over fingerprint representations) to identify diverse lead candidates.

Quick Start

Ask the agent to run a cheminformatics workflow on your query SMILES and a candidate library to compute descriptors, apply Lipinski-style filtering, flag ADMET risks, and return the top similarity hits with scores.

Frequently Asked Questions about cheminformatics

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

FAQPage Schema
How do I calculate molecular properties from SMILES for drug discovery?▼

To calculate molecular properties from SMILES for drug discovery, you parse the chemical structures using RDKit to compute physicochemical descriptors like MW, logP, HBD/HBA, TPSA, and rotatable bonds, generating a drug-likeness summary.

What is virtual screening using molecular fingerprints and Tanimoto similarity?▼

Virtual screening using molecular fingerprints and Tanimoto similarity is a method to retrieve relevant candidate structures from a chemical library by comparing Morgan fingerprint representations, yielding top similarity hits with matching scores.

Can I flag ADMET risks and apply Rule-of-Five validation to SDF files?▼

Yes, you can flag ADMET risks and apply Rule-of-Five validation to SDF files by parsing the structures with RDKit, evaluating computed physicochemical indicators to generate practical absorption, toxicity, and permeability risk reports.

How do I prepare candidates for docking after virtual screening?▼

To prepare candidates for docking after virtual screening, you use the workflow-oriented pipeline stages to transition from computed molecular informatics and similarity rankings into downstream docking candidate prioritization outputs.

Does RDKit support chemical space visualization for lead identification?▼

Yes, RDKit supports chemical space visualization for lead identification by generating fingerprint embeddings that enable clustering and visualization steps to identify diverse lead candidates within a screening library.