The complete enzyme catalogue, one search box

Every EC number in the BRENDA Enzyme Database — release 2026.1 — indexed for instant search: reactions, substrates, inhibitors, kinetics, pH and temperature optima, source organisms and literature.

8,827 EC numbers 2,111,719 data records 672,528 numeric values 187,941 references
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Enzyme data: BRENDA Enzyme Database, release 2026.1 — Leibniz Institute DSMZ, licensed CC BY 4.0. The index mirrors BRENDA's free public release; 698 preliminary BRENDA-supplied EC numbers are name-only (no curated records in that release). Looking for a specific enzyme as a product? Browse our enzymes.