Beta-sesquiphellandrene synthase

{{Infobox enzyme

| Name = β-sesquiphellandrene synthase

| EC_number = 4.2.3.123

| CAS_number =

| GO_code =

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β-Sesquiphellandrene synthase (EC 4.2.3.123, Tps1, Os08g07100 (gene)) is an enzyme with systematic name (2E,6E)-farnesyl-diphosphate diphosphate-lyase (cyclizing, β-sesquiphellandrene-forming).{{cite journal | vauthors = Zhuang X, Köllner TG, Zhao N, Li G, Jiang Y, Zhu L, Ma J, Degenhardt J, Chen F | title = Dynamic evolution of herbivore-induced sesquiterpene biosynthesis in sorghum and related grass crops | journal = The Plant Journal | volume = 69 | issue = 1 | pages = 70–80 | date = January 2012 | pmid = 21880075 | doi = 10.1111/j.1365-313x.2011.04771.x | doi-access = free }} This enzyme catalyses the following chemical reaction

: (2E,6E)-farnesyl diphosphate $\backslash rightleftharpoons$ β-sesquiphellandrene + diphosphate