4.2.3.9 5-epi-aristolochene synthase, Ari1, aristolochene synthase, AS, ATAS, cyclase, farnesyl pyrophosphate, EAS, farnesylpyrophosphate cyclase, FPP-carbocyclase, sesquiterpene cyclase, synthase, aristolochene, TEAS - 4.2.3.9 EC 2.5.1.40, EC 4.1.99.7 formerly 4.2.3.9 aristolochene synthase sesquiterpene cyclase 4.2.3.9 aristolochene synthase sesquiterpene synthase, class I enzyme