Rhea is a freely available, manually annotated database of chemical reactions created in collaboration with the Swiss Institute of Bioinformatics (SIB).

All data in Rhea is freely accessible and available for anyone to use.

Last release: 67 (2015-11-26)

Read more about Rhea.


Rhea release 67

A new release of Rhea, the annotated database of biochemical reactions, is available...
Check also the most recent publication of Rhea:

Updates in Rhea - a manually curated resource of biochemical reactions

available at PubMed or Nucleic Acid Research

More news...


Rhea is a collaborative effort between the Swiss-Prot Group at the Swiss Institute of Bioinformatics (SIB) and the Cheminformatics and Metabolism Group at the EBI.


This website makes use of ChemAxon's Marvin applet.

Rhea is open source, hosted by SourceForge.