乙烯的生物合成。4-甲硫基-2-氧代丁酸：由甲硫氨酸形成过程中的一种中间体。
Biosynthesis of ethylene. 4-methylmercapto-2-oxobutyric acid: an intermediate in the formation from methionine.
作者信息
Mapson L W, March J F, Wardale D A
出版信息
Biochem J. 1969 Dec;115(4):653-61. doi: 10.1042/bj1150653.
Abstract
The enzyme responsible for the conversion of methionine into a precursor of ethylene in cauliflower florets is a transaminase. The formation of 4-methyl-mercapto-2-oxobutyric acid by this enzyme has been shown. The oxo acid stimulates the synthesis of ethylene when added to floret tissue, and tracer experiments have shown that (14)C is incorporated into ethylene from the labelled oxo acid. The evidence is consistent with the view that the oxo acid is an intermediate in the formation of ethylene from methionine.
摘要
负责将花椰菜小花中的蛋氨酸转化为乙烯前体的酶是一种转氨酶。已证实该酶可形成4-甲基巯基-2-氧代丁酸。当将这种氧代酸添加到小花组织中时，它会刺激乙烯的合成，示踪实验表明，(14)C从标记的氧代酸掺入到乙烯中。这些证据与氧代酸是蛋氨酸形成乙烯过程中的中间体这一观点一致。
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