RetroRules

Explore Reaction Templates

Delivering reaction templates to engineer biology.
Search by EC number or IDs. Inspect source reactions and export results.

Template Explorer

Filter by EC, IDs, radius and more. Sort by relevance, score, EC/Reaction counts.

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Programmatic API

Well-structured JSON, consistent headers and OpenAPI docs.

What's new — v3.1.0 · Sep 2026

  • • updated Rhea, MetaNetX and USPTO datasets
  • • improved detection of cofactors with ill-defined structures
  • • additional biochemical reactions modeled

Template Online Generator

Create custom templates and preview results directly in the browser.

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RetroRules illustration