Term Name:	casbene synthase activity
Synonyms:	casbene synthetase activity, geranylgeranyl-diphosphate diphosphate-lyase (cyclizing), geranylgeranyl-diphosphate diphosphate-lyase (cyclizing, casbene-forming)
Definition:	Catalysis of the reaction: all-trans-geranylgeranyl diphosphate = casbene + diphosphate.
Ontology:	GO: Molecular Function [GO:0050449]    QuickGO    AmiGO