Release 126 of Rhea, the expert-curated database of biochemical reactions, is now out. Reactions are now also available in SMILES format - feedback welcome!
Latest News
New in Expasy: SPHN resources
Posted 28 April 2026
Two Swiss Personalized Health Network (SPHN) resources, the SPHN Metadata Catalog and the SPHN SPARQL endpoint, have been added.
Nextstrain and Nextclade resources for Lassa virus
Posted 21 April 2026
Open‑access Nextstrain and Nextclade resources for Lassa virus that enable live phylogenetic and phylogeographic visualisation, rapid mutation detection, and robust lineage assignment from the L and S segments and the glycoprotein complex are described here!
Cellosaurus version 55 is now available
Posted 14 April 2026
Cellosaurus, the knowledge resource on cell lines, now contains information for 167186 cell lines from 904 species extracted from 29959 distinct publications. If you're working with cell lines, this is the go-to reference!
SIB Remarkable Outputs 2025
Posted 03 April 2026
Discover the seven outstanding data resources, software tools, and peer-reviewed publications which have been recognized as SIB Remarkable Outputs 2025!
New pathogens and sequences in Pathoplexus
Posted 27 March 2026
Studying dengue and yellow fever? Pathoplexus has launched support for these two viruses . It has also added over 1,500 new directly-submitted sequences across six pathogens (more)