query-stringdb

Query the STRING API for protein-protein interaction partners and networks.

30|2|Updated Mar 13, 2026
One-click install
npx skills add https://github.com/IDEA-XL/MolClaw --skill query-stringdb-idea-xl
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: query-stringdb
Source: https://github.com/IDEA-XL/MolClaw/tree/main/.claude/skills/query-stringdb
Command: npx skills add https://github.com/IDEA-XL/MolClaw --skill query-stringdb-idea-xl

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

STRING provides access to protein-protein interaction data for researchers who need to identify interaction partners and build interaction networks.

Core Features & Use Cases

  • Retrieve interaction partners and confidence scores from the STRING database.
  • Build and analyze interaction networks across species.
  • Support downstream analyses like enrichment or functional prioritization.

Quick Start

Query the STRING API to fetch protein-protein interaction networks for a given set of proteins.

Frequently Asked Questions about query-stringdb

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

FAQPage Schema
How do I find protein-protein interaction partners for a set of genes?

To find protein-protein interaction partners for a gene set, you can query the STRING API to retrieve interaction networks and confidence scores across species. This approach maps your input identifiers to known functional associations and partner confidences.

What is STRING network analysis and when do I need it for bioinformatics?

STRING network analysis identifies functional associations between proteins by mapping protein-protein interactions. You need it when evaluating interaction partner confidences, building interaction networks, or supporting downstream enrichment analysis for a specific set of genes.

How do I build a protein interaction network across different species?

Build a protein interaction network across species by querying the STRING API with your target gene set and specifying the species identifiers. The query returns interaction partners and confidence scores needed to construct the functional network.

Can I filter protein interactions by confidence scores when using STRING?

Yes, you can filter protein interactions by applying score thresholds when querying the STRING API. Setting a score threshold allows you to control the confidence level of the functional associations and interaction partners returned for your gene set.

Does querying STRING for protein interactions support functional enrichment analysis?

Querying STRING for protein interactions supports functional enrichment by providing the underlying interaction networks and partner confidences needed for downstream analyses. You can use enrichment options within the query to help prioritize functional associations.

What are the limitations of using STRING for protein interaction network analysis?

Limitations of STRING network analysis include reliance on the STRING API for data access and the need to provide accurate species and identifier parameters. Interaction partner confidence is bounded by score thresholds, affecting the completeness of functional associations.