Term Name:	taxadiene synthase activity
Synonyms:	geranylgeranyl-diphosphate diphosphate-lyase (cyclizing, taxa-4,11-diene-forming), geranylgeranyl-diphosphate diphosphate-lyase (cyclizing, taxadiene-forming), taxa-4(5),11(12)-diene synthase activity
Definition:	Catalysis of the reaction: all-trans-geranylgeranyl diphosphate = diphosphate + taxa-4,11-diene.
Ontology:	GO: Molecular Function [GO:0050553]    QuickGO    AmiGO