Alpha-copaene synthase

α-Copaene synthase (EC 4.2.3.133) is an enzyme with systematic name (2E,6E)-farnesyl-diphosphate diphosphate-lyase (cyclizing, α-copaene-forming). This enzyme catalyses the following chemical reaction


 * (2E,6E)-farnesyl diphosphate $$\rightleftharpoons$$ (–)-α-copaene + diphosphate

This enzyme is isolated from Helianthus annuus (sunflower).