aristolochene synthase EC#: 4.2.3.9; ChemWhat Code: 1382555

Product Name aristolochene synthase
Example Structure Example Structure of aristolochene synthase EC#: 4.2.3.9
Synonyms 5-epi-aristolochene synthase, Ari1, aristolochene synthase, AS, ATAS, cyclase, farnesyl pyrophosphate, EAS, EC 2.5.1.40, EC 4.1.99.7, farnesylpyrophosphate cyclase, FPP-carbocyclase, sesquiterpene cyclase, synthase, aristolochene, TEAS
EC Number 4.2.3.9
CAS Registry Number
Comments The initial internal cyclization produces the monocyclic intermediate germacrene A; further cyclization and methyl transfer converts the intermediate into aristolochene. While in some species germacrene A remains as an enzyme-bound intermediate, it has been shown to be a minor product of the reaction in?Penicillium roqueforti?[5] (see also EC?4.2.3.23, germacrene-A synthase). The enzyme from?Penicillium roqueforti?requires Mg2+?and Mn2+?for activity. Aristolochene is the likely parent compound for a number of sesquiterpenes produced by filamentous fungi.
Cofactor Mn2+ Mg2+
History
Reactions (2E,6E)-farnesyl diphosphate = aristolochene + diphosphate.

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