Germacradienol synthase
Definition:
EC Tree > 4 Lyases > 4.2 Carbon-oxygen lyases > 4.2.3 Acting on phosphates > 4.2.3.22 germacradienol synthase
Germacradienol synthase is a Mg2+-dependent sesquiterpene cyclase. The H-1si of farnesyl diphosphate is lost in forming (1E,4S,5E,7R)-germacra-1(10),5-dien-11-ol; formation of (-)-germacrene D involves a stereospecific 1,3-hydride shift of H-1si. With water it converts (2E,6E)-farnesyl diphosphate into (1E,4S,5E,7R)-germacra-1(10),5-dien-11-ol and diphosphate. Structurally it is a sesquiterpene cyclase.
Germacradienol synthase is a Mg2+-dependent sesquiterpene cyclase. The H-1si of farnesyl diphosphate is lost in forming (1E,4S,5E,7R)-germacra-1(10),5-dien-11-ol; formation of (-)-germacrene D involves a stereospecific 1,3-hydride shift of H-1si. With water it converts (2E,6E)-farnesyl diphosphate into (1E,4S,5E,7R)-germacra-1(10),5-dien-11-ol and diphosphate. Structurally it is a sesquiterpene cyclase.
References:
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