Regulatory Properties of L-Methionine Biosynthesis in Obligate Methylotroph OM 33: Role of Homoserine-O-transsuccinylase
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概要
- 論文の詳細を見る
A cell-free extract of obligate methylotroph strain OM 33 catalyzed the formation of O-succinyl-L-homoserine from L-homoserine and succinyl-CoA, while the corresponding homoserine derivative from acetyl-CoA was scarcely formed. These results indicate that the acylation of L-homoserine, the initial step of L-methionine biosynthesis, was catalyzed by homoserine-O-transsuccinylase. In this bacterium, homoserine-O-transsuccinylase was subject to strict feedback inhibition by S-adenosyl-L-methionine (SAM). On the other hand, the enzyme of an ethionine-resistant mutant OE 120 derived from strain OM 33, was scarcely affected by SAM. These observations suggest the important role of homoserine-O-transsuccinylase in the biosynthesis of L-methionine.
- 社団法人 日本農芸化学会の論文
著者
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Morinaga Yasushi
Department Of Food Bioscience And Biotechnology College Of Bioresource Sciences Nihon University
-
Tani Yoshiki
Department Of Agricultural Chemistry College Of Agriculture Kyoto University
-
Yamada Hideaki
Department Of Agricultural Chemistry Faculty Of Agriculture Kyoto University
-
morinaga Yasushi
Department of Agricultural Chemistry, Kyoto University
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