(-)-Alpha-pinene synthase
Definition:
EC Tree > 4 Lyases > 4.2 Carbon-oxygen lyases > 4.2.3 Acting on phosphates > 4.2.3.119 (-)-alpha-pinene synthase
(-)-Alpha-pinene synthase is a Mg2+-preferring monoterpene cyclase. Cyclase II of Salvia officinalis gives about equal parts (-)-alpha-pinene, (-)-beta-pinene and (-)-camphene plus traces of other monoterpenoids; (3S)-linalyl diphosphate is preferred, and the 4-pro-S hydrogen of geranyl diphosphate is lost. The enzyme from Abies grandis also produces related pinenes. It cyclizes geranyl diphosphate into (-)-alpha-pinene and diphosphate. It appears in viruses and cellular organisms. Structurally it is a monoterpene cyclase.
(-)-Alpha-pinene synthase is a Mg2+-preferring monoterpene cyclase. Cyclase II of Salvia officinalis gives about equal parts (-)-alpha-pinene, (-)-beta-pinene and (-)-camphene plus traces of other monoterpenoids; (3S)-linalyl diphosphate is preferred, and the 4-pro-S hydrogen of geranyl diphosphate is lost. The enzyme from Abies grandis also produces related pinenes. It cyclizes geranyl diphosphate into (-)-alpha-pinene and diphosphate. It appears in viruses and cellular organisms. Structurally it is a monoterpene cyclase.
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