ID 4.2.3.101 DE 7-epi-sesquithujene synthase. AN TPS4-B73. CA (2E,6E)-farnesyl diphosphate = 7-epi-sesquithujene + diphosphate. CC -!- The enzyme from Zea mays, variety B73, gives mainly 7-epi- CC sesquithujene with (S)-beta-bisabolene and traces of other CC sesquiterpenoids, cf. EC 4.2.3.55. CC -!- The product ratio is dependent on which metal ion is present. CC -!- 7-epi-sesquithujene is an attractant for the emerald ash borer CC beetle. DR Q6JD73, TPS4A_MAIZE; //