mdanalysis

Analyze molecular dynamics trajectories and structural data with Python.

19|2|Updated Jan 31, 2026
One-click install
npx skills add https://github.com/tondevrel/scientific-agent-skills --skill mdanalysis
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: mdanalysis
Source: https://github.com/tondevrel/scientific-agent-skills/tree/main/skills/mdanalysis
Command: npx skills add https://github.com/tondevrel/scientific-agent-skills --skill mdanalysis

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill simplifies the complex task of analyzing molecular dynamics (MD) simulation trajectories, allowing researchers to extract meaningful insights from simulation data.

Core Features & Use Cases

  • Trajectory Loading & Manipulation: Read and process various MD trajectory file formats (DCD, XTC, etc.).
  • Structural Analysis: Perform calculations like RMSD, RMSF, distance, angle, and dihedral analysis.
  • Use Case: After running a molecular dynamics simulation of a protein, use this Skill to calculate the Root Mean Square Deviation (RMSD) over time to assess its stability and conformational changes.

Quick Start

Use the mdanalysis skill to load the topology 'protein.pdb' and trajectory 'trajectory.dcd' and calculate the backbone RMSD.

Frequently Asked Questions about mdanalysis

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

FAQPage Schema
How do I calculate RMSD from a molecular dynamics trajectory?

To calculate RMSD from a molecular dynamics trajectory, load your topology and trajectory files, select the backbone atoms, and compute the Root Mean Square Deviation over time to assess protein stability and conformational changes. This Skill automates that structural analysis process.

Can I analyze hydrogen bonds and dihedral angles from DCD or XTC files?

Yes, you can analyze hydrogen bonds and dihedral angles from DCD or XTC trajectory files. This Skill reads various MD trajectory formats and facilitates comprehensive structural analysis including distances, angles, and hydrogen bond calculations.

What is the best way to compute RMSF for atom selections in computational chemistry?

The best way to compute RMSF for atom selections is to load your trajectory, define the specific atoms, and calculate the Root Mean Square Fluctuation to measure regional flexibility. This Skill provides tools to perform these precise atom selections and fluctuations.

Does this Skill support loading multiple trajectory file formats for biophysics simulations?

Yes, this Skill supports loading and manipulating multiple trajectory file formats for biophysics simulations. It can read and process standard formats like DCD and XTC to extract meaningful structural insights from your simulation data.

How do I measure protein stability over time using molecular dynamics analysis?

You measure protein stability over time by loading the topology and trajectory files, then calculating the Root Mean Square Deviation (RMSD). This Skill simplifies analyzing molecular dynamics trajectories to evaluate conformational changes and stability throughout the simulation.