ppi-network-for-gene-list

Construct and analyze protein-protein interaction networks from gene lists via the STRING API.

64|12|Updated Apr 7, 2026
One-click install
npx skills add https://github.com/MDhewei/bioinfor-claw --skill ppi-network-for-gene-list
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: ppi-network-for-gene-list
Source: https://github.com/MDhewei/bioinfor-claw/tree/main/gene-list-analysis/ppi-network-for-gene-list
Command: npx skills add https://github.com/MDhewei/bioinfor-claw --skill ppi-network-for-gene-list

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires requests, pandas, numpy, matplotlib, and includes scripts (resource) components.

What problem does it solve?

Building and interpreting protein-protein interaction networks from gene lists is labor-intensive and error-prone when done manually. This skill automates fetching, constructing, and analyzing networks via the STRING database, returning ready-to-interpret visualizations and structured outputs for downstream analysis.

Core Features & Use Cases

  • Automated network construction: fetches interactions from STRING for a given gene set and species, forming a connected network with edge scores.
  • Comprehensive analysis: computes key network metrics (density, connected components, hub genes, modules) and generates per-gene statistics.
  • Publication-ready outputs: produces edge lists, node metrics, a network summary, and a high-quality network plot for reporting.
  • Use cases: prioritize candidates from GWAS or screens by network centrality; explore functional modules and pathway context within a gene list.

Quick Start

Provide a comma-separated list of gene symbols and run the script to generate the network and metrics in the specified output directory.

Frequently Asked Questions about ppi-network-for-gene-list

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

FAQPage Schema
How do I build a protein-protein interaction network from a gene list?

To build a protein-protein interaction network from a gene list, provide comma-separated gene symbols and a species identifier. The script fetches interactions via the STRING API and generates a connected network with edge scores.

What is network module detection and hub gene identification used for in bioinformatics?

Network module detection and hub gene identification are used to prioritize candidate genes from GWAS or screens by evaluating network centrality. This helps explore functional modules and pathway context within a gene set.

Can I use Python to calculate network metrics like density and connected components for PPI networks?

Yes, you can use Python to calculate network metrics like density and connected components for PPI networks. This skill uses pandas and numpy to compute per-gene statistics and generate a comprehensive network summary.

Does this PPI network analysis tool require manual interaction with the STRING database?

No, this PPI network analysis tool does not require manual interaction with the STRING database. It automates fetching interactions directly through the STRING API, handling species selection and interaction score cutoffs internally.

What's the best way to generate publication-ready visualizations for protein-protein interaction networks?

The best way to generate publication-ready visualizations for protein-protein interaction networks is using matplotlib with deterministic layouts. This approach produces high-quality network plots alongside structured edge lists and node metrics.

Are there limitations when using a fixed random seed for network layout and betweenness approximation?

Using a fixed random seed for network layout and betweenness approximation ensures reproducible results across runs. The limitation is deterministic outputs, meaning visual layouts and metric approximations will not vary between executions.