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antechamber

Automate atom typing, charge assignment, and prep input generation for AMBER workflows.

124|25|Updated Feb 20, 2026
Search Tags:#parameterization#charges#ligand#antechamber#ambertools#prep-input
One-click install
npx skills add https://github.com/jinzhezenggroup/computational-chemistry-agent-skills --skill antechamber
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: antechamber
Source: https://github.com/jinzhezenggroup/computational-chemistry-agent-skills/tree/main/molecular-dynamics/antechamber
Command: npx skills add https://github.com/jinzhezenggroup/computational-chemistry-agent-skills --skill antechamber

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Automates parameterization of small organic molecules and non-standard residues for AMBER workflows by automating atom typing, charge generation or import, and preparation of topology-ready inputs.

Core Features & Use Cases

  • Automates atom and bond typing for GAFF/AMBER-compatible chemical space.
  • Generates or reads partial charges, and converts structures to mol2 and prepi formats.
  • Prepares LEaP-ready topology inputs for downstream AMBER workflows, with common use cases including ligands and modified residues.
  • Use Case: Parameterize a ligand to integrate into an AMBER simulation with compatible topology and charge data.

Quick Start

Run antechamber on your input structure to generate GAFF atom types and partial charges for AMBER workflows.

Frequently Asked Questions about antechamber

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

FAQPage Schema
How do I parameterize a small molecule for AMBER workflows?▼

Parameterizing a small molecule for AMBER involves automating atom typing, charge assignment, and prep input generation to create LEaP-ready topology files suitable for downstream simulations.

What is the best way to generate GAFF atom types and partial charges for a ligand?▼

Generating GAFF atom types and partial charges for a ligand requires converting input structures into mol2 and prepi formats, ensuring the output is LEaP-ready for AMBER topology generation.

Can I use pdb and mol2 files as input for AMBER ligand parameterization?▼

Pdb and mol2 files are accepted inputs for AMBER ligand parameterization, allowing you to generate GAFF atom types, assign partial charges, and output mol2, prepi, and LEaP-ready topology files.

Do I need AmberTools installed to generate LEaP-ready topology files?▼

AmberTools must be installed and available in PATH to generate LEaP-ready topology files, as the parameterization process depends on its core utilities for atom typing and charge assignment.

How do I prepare non-standard residues for AMBER simulations?▼

Preparing non-standard residues for AMBER simulations requires automating atom and bond typing, generating or importing partial charges, and converting structures into mol2 and prepi formats for LEaP integration.

What formats are output when parameterizing modified residues for AMBER?▼

Output formats generated when parameterizing modified residues include mol2, prepi, and LEaP-ready topology files, which integrate non-standard chemistry into downstream AMBER workflows.

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