cobrapy

Name: cobrapy
Availability: InStock
Author: zeyuyang-0420

Automate metabolic model analysis with cobrapy for flux balance analysis.

Updated May 8, 2026

Search Tags:#model validation #flux analysis #metabolic modeling #FBA #FVA

Ready to run

npx skills add https://github.com/Zeyuyang-0420/bio-ai-research-skills --skill cobrapy-zeyuyang-0420

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: cobrapy
Source: https://github.com/Zeyuyang-0420/bio-ai-research-skills/tree/main/categories/drug-discovery-molecular-modeling/cobrapy
Command: npx skills add https://github.com/Zeyuyang-0420/bio-ai-research-skills --skill cobrapy-zeyuyang-0420

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires cobra, numpy, scipy, matplotlib, and includes scripts (resource) and references (resource) and assets (resource) components.

What problem does it solve?

This Skill simplifies the analysis of metabolic models for systems biology and metabolic engineering, automating complex simulations and analyses.

Core Features & Use Cases

Model Management: Load, save, and inspect metabolic models in various formats.
Optimization: Perform flux balance analysis (FBA), parsimonious FBA, geometric FBA, and flux variability analysis (FVA).
Gene and Reaction Deletion Studies: Simulate gene knockouts and reaction deletions to study their effects on metabolic pathways.
Media and Minimal Media Calculation: Optimize growth media and calculate minimal media compositions.
Flux Sampling: Explore flux space and sample possible metabolic states.
Production Envelopes: Calculate phenotype phase planes for production strains.
Gapfilling: Add reactions to make models feasible.
Use Case: Design a metabolic model of a bacterial species to predict its growth on different substrates and identify essential genes.

Quick Start

Use the cobrapy skill to load a metabolic model from 'ecoli_model.yml' and perform flux balance analysis on it.

Frequently Asked Questions about cobrapy

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

FAQPage Schema

How do I perform flux balance analysis on a metabolic model?▼

Flux balance analysis (FBA) calculates optimal metabolic fluxes by loading a model file and running optimization. This Skill automates FBA, parsimonious FBA, and geometric FBA using the cobra library to predict cellular growth rates and metabolic behaviors.

Can I simulate gene knockouts to identify essential genes in a metabolic network?▼

Yes, simulating gene knockouts identifies essential genes by systematically deleting reactions and analyzing the effects on metabolic pathways. This Skill automates gene and reaction deletion studies to evaluate pathway viability and predict growth under different genomic constraints.

How do I calculate minimal media requirements for a bacterial growth model?▼

Calculating minimal media determines the exact nutrients required for growth by optimizing the model's media composition. This Skill automates media optimization and minimal media calculation to identify the essential substrates needed for a bacterial metabolic model to grow.

What is flux variability analysis and when do I need it for metabolic engineering?▼

Flux variability analysis (FVA) determines the range of possible fluxes for each reaction while maintaining optimal growth. You need FVA in metabolic engineering to explore flux space, evaluate pathway flexibility, and sample possible metabolic states for production strains.

Does this metabolic modeling workflow require numpy and scipy for gapfilling?▼

Yes, metabolic modeling and gapfilling require numpy and scipy for computational analysis. Gapfilling adds missing reactions to make models feasible, and these dependencies provide the necessary mathematical framework alongside cobra and matplotlib for visualization.

What's the best way to calculate production envelopes for phenotype phase planes?▼

Calculating production envelopes for phenotype phase planes is best handled by automating the computation of metabolic states across varying substrate levels. This Skill calculates production envelopes to map the relationship between growth rates and target product secretion in production strains.